/* ================================================
   AUTO TELEGRAM MESSENGER - PREMIUM DARK THEME
   With Multi-Account Support
   ================================================ */

/* ---- Google Fonts ---- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ---- CSS Custom Properties ---- */
:root {
    --bg-base: #0a0e1a;
    --bg-surface: #0f172a;
    --bg-card: rgba(15, 23, 42, 0.8);
    --bg-card-hover: rgba(15, 23, 42, 0.95);
    --bg-input: rgba(15, 23, 42, 0.6);
    --bg-hover: rgba(59, 130, 246, 0.08);

    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --primary-glow: rgba(59, 130, 246, 0.3);
    --accent: #8b5cf6;
    --accent-glow: rgba(139, 92, 246, 0.3);
    --success: #10b981;
    --success-glow: rgba(16, 185, 129, 0.3);
    --error: #f43f5e;
    --error-glow: rgba(244, 63, 94, 0.3);
    --warning: #f59e0b;
    --warning-glow: rgba(245, 158, 11, 0.3);

    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --text-inverse: #0f172a;

    --border: rgba(148, 163, 184, 0.1);
    --border-focus: rgba(59, 130, 246, 0.5);
    --border-accent: rgba(139, 92, 246, 0.3);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px var(--primary-glow);

    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

    --header-height: 64px;
    --tabs-height: 52px;
}

/* ---- Animations ---- */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(100%); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes slideOutRight {
    from { opacity: 1; transform: translateX(0); }
    to { opacity: 0; transform: translateX(100%); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes glowPulse {
    0%, 100% { box-shadow: 0 0 4px var(--success-glow); }
    50% { box-shadow: 0 0 12px var(--success-glow), 0 0 24px var(--success-glow); }
}

@keyframes glowPulseError {
    0%, 100% { box-shadow: 0 0 4px var(--error-glow); }
    50% { box-shadow: 0 0 12px var(--error-glow), 0 0 24px var(--error-glow); }
}

@keyframes spinRing {
    to { transform: rotate(360deg); }
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -40px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes checkmark {
    from { stroke-dashoffset: 20; }
    to { stroke-dashoffset: 0; }
}

@keyframes borderGlow {
    0%, 100% { border-color: rgba(59, 130, 246, 0.2); }
    50% { border-color: rgba(59, 130, 246, 0.5); }
}

@keyframes statusPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.4); opacity: 0.6; }
}

@keyframes cardSlideIn {
    from { opacity: 0; transform: translateY(30px) scale(0.97); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

/* ---- Reset & Base ---- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, var(--bg-base) 0%, var(--bg-surface) 50%, #0d1323 100%);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(148, 163, 184, 0.2);
    border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(148, 163, 184, 0.35);
}

/* Scrollable containers */
.scrollable {
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(148, 163, 184, 0.2) transparent;
}

/* ---- Hidden Utility ---- */
.hidden {
    display: none !important;
}

/* ---- Text Utilities ---- */
.text-secondary {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* ================================================
   LOGIN SCREEN
   ================================================ */
#login-screen {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    background: linear-gradient(135deg, var(--bg-base), var(--bg-surface), #0d1323);
}

.login-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.login-bg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    animation: orbFloat 12s ease-in-out infinite;
}

.login-bg-orb-1 {
    width: 400px;
    height: 400px;
    background: rgba(59, 130, 246, 0.12);
    top: 10%;
    left: 20%;
    animation-delay: 0s;
}

.login-bg-orb-2 {
    width: 350px;
    height: 350px;
    background: rgba(139, 92, 246, 0.1);
    top: 50%;
    right: 15%;
    animation-delay: -4s;
}

.login-bg-orb-3 {
    width: 300px;
    height: 300px;
    background: rgba(16, 185, 129, 0.06);
    bottom: 10%;
    left: 40%;
    animation-delay: -8s;
}

.login-card {
    position: relative;
    width: 100%;
    max-width: 420px;
    padding: 48px 40px;
    background: var(--bg-card);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg), 0 0 60px rgba(59, 130, 246, 0.05);
    animation: scaleIn 0.5s var(--transition-normal);
    z-index: 1;
}

.login-card::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: var(--radius-xl);
    padding: 1px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.3), rgba(139, 92, 246, 0.2), transparent, transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.login-logo {
    text-align: center;
    margin-bottom: 36px;
}

.login-logo-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(139, 92, 246, 0.15));
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

.login-logo h1 {
    font-size: 1.75rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 6px;
}

.input-group {
    margin-bottom: 24px;
}

.input-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 14px;
    color: var(--text-muted);
    pointer-events: none;
    transition: color var(--transition-fast);
}

.input-wrapper input {
    width: 100%;
    padding: 12px 44px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
    outline: none;
}

.input-wrapper input:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.input-wrapper input:focus + .input-icon,
.input-wrapper input:focus ~ .input-icon {
    color: var(--primary);
}

.toggle-password {
    position: absolute;
    right: 10px;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    display: flex;
    transition: color var(--transition-fast);
}

.toggle-password:hover {
    color: var(--text-primary);
}

.btn-login {
    width: 100%;
    padding: 14px;
    font-size: 1rem;
    position: relative;
}

.btn-login .btn-text,
.btn-login .btn-spinner {
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-error {
    margin-top: 16px;
    padding: 12px 16px;
    background: rgba(244, 63, 94, 0.1);
    border: 1px solid rgba(244, 63, 94, 0.2);
    border-radius: var(--radius-md);
    color: var(--error);
    font-size: 0.85rem;
    text-align: center;
    animation: slideUp 0.3s ease;
}


/* ================================================
   BUTTONS
   ================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    outline: none;
    white-space: nowrap;
    text-decoration: none;
    line-height: 1;
}

.btn:active {
    transform: scale(0.97);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    box-shadow: 0 2px 8px var(--primary-glow);
}

.btn-primary:hover:not(:disabled) {
    box-shadow: 0 4px 16px var(--primary-glow);
    transform: translateY(-1px);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.btn-ghost:hover:not(:disabled) {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--border-focus);
}

.btn-danger {
    background: linear-gradient(135deg, var(--error), #dc2626);
    color: #fff;
    box-shadow: 0 2px 8px var(--error-glow);
}

.btn-danger:hover:not(:disabled) {
    box-shadow: 0 4px 16px var(--error-glow);
    transform: translateY(-1px);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}

.btn-full {
    width: 100%;
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.btn-send {
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
}

/* ---- Small spinner ---- */
.spinner-small {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spinRing 0.6s linear infinite;
}

/* ================================================
   APP HEADER
   ================================================ */
.app-header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    background: rgba(10, 14, 26, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-logo {
    display: flex;
    align-items: center;
}

.header-title {
    font-size: 1.2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.connection-status {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    background: rgba(15, 23, 42, 0.6);
    border-radius: var(--radius-full);
    border: 1px solid var(--border);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--warning);
    transition: background var(--transition-normal);
}

.connection-status.connected .status-dot {
    background: var(--success);
    animation: glowPulse 2s ease-in-out infinite;
}

.connection-status.connected .status-text {
    color: var(--success);
}

.connection-status.disconnected .status-dot {
    background: var(--error);
    animation: glowPulseError 2s ease-in-out infinite;
}

.connection-status.disconnected .status-text {
    color: var(--error);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-logout {
    color: var(--text-secondary);
}

.btn-logout:hover {
    color: var(--error);
    border-color: rgba(244, 63, 94, 0.3);
    background: rgba(244, 63, 94, 0.08);
}

/* ---- Server Power Toggle ---- */
.server-control {
    display: flex;
    align-items: center;
}

.server-toggle-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    outline: none;
    position: relative;
}

.server-toggle-btn:hover {
    border-color: var(--border-focus);
    background: rgba(15, 23, 42, 0.8);
}

.server-toggle-btn:active {
    transform: scale(0.97);
}

.server-toggle-btn:disabled {
    opacity: 0.6;
    cursor: wait;
}

.server-toggle-icon {
    flex-shrink: 0;
    transition: color var(--transition-fast);
}

.server-toggle-label {
    white-space: nowrap;
}

.server-status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
    transition: background var(--transition-fast), box-shadow var(--transition-fast);
    flex-shrink: 0;
}

/* Running state */
.server-control.running .server-toggle-btn {
    border-color: rgba(16, 185, 129, 0.3);
    background: rgba(16, 185, 129, 0.08);
}

.server-control.running .server-toggle-icon {
    color: var(--success);
}

.server-control.running .server-toggle-label {
    color: var(--success);
}

.server-control.running .server-status-indicator {
    background: var(--success);
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.5);
    animation: glowPulse 2s ease-in-out infinite;
}

/* Stopped state */
.server-control.stopped .server-toggle-btn {
    border-color: rgba(244, 63, 94, 0.3);
    background: rgba(244, 63, 94, 0.06);
}

.server-control.stopped .server-toggle-icon {
    color: var(--error);
}

.server-control.stopped .server-toggle-label {
    color: var(--error);
}

.server-control.stopped .server-status-indicator {
    background: var(--error);
    box-shadow: 0 0 8px rgba(244, 63, 94, 0.4);
}

/* Loading state */
.server-control.loading .server-toggle-icon {
    animation: spinRing 1s linear infinite;
    color: var(--warning);
}

.server-control.loading .server-toggle-label {
    color: var(--warning);
}

.server-control.loading .server-status-indicator {
    background: var(--warning);
    animation: glowPulse 0.8s ease-in-out infinite;
}

/* ---- Header Account Selector ---- */
.account-selector {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 8px 4px 12px;
    background: rgba(15, 23, 42, 0.6);
    border-radius: var(--radius-full);
    border: 1px solid var(--border);
    transition: all var(--transition-fast);
}

.account-selector:hover {
    border-color: var(--border-focus);
    background: rgba(15, 23, 42, 0.8);
}

.account-selector svg {
    color: var(--primary);
    flex-shrink: 0;
}

.account-selector select {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 500;
    outline: none;
    cursor: pointer;
    padding: 4px 20px 4px 4px;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 2px center;
    max-width: 200px;
}

.account-selector select option {
    background: var(--bg-surface);
    color: var(--text-primary);
}

/* ---- In-Tab Account Selector ---- */
.account-selector-tab {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    margin-bottom: 20px;
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    animation: slideUp 0.3s ease;
}

.account-selector-tab-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
}

.account-selector-tab-label svg {
    color: var(--primary);
}

.account-selector-tab select {
    flex: 1;
    max-width: 400px;
    padding: 8px 36px 8px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 500;
    outline: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
}

.account-selector-tab select:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.account-selector-tab select option {
    background: var(--bg-surface);
    color: var(--text-primary);
}

/* ================================================
   TABS NAVIGATION
   ================================================ */
.tabs-nav {
    position: sticky;
    top: var(--header-height);
    z-index: 90;
    background: rgba(10, 14, 26, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
}

.tabs-list {
    display: flex;
    position: relative;
    max-width: 750px;
}

.tab-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 16px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: color var(--transition-fast);
    position: relative;
    white-space: nowrap;
}

.tab-btn:hover {
    color: var(--text-primary);
}

.tab-btn.active {
    color: var(--primary);
}

.tab-icon {
    font-size: 1.1rem;
}

.tab-indicator {
    position: absolute;
    bottom: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 2px 2px 0 0;
    transition: left var(--transition-normal), width var(--transition-normal);
}

/* ================================================
   TAB PANELS
   ================================================ */
.tab-contents {
    padding: 24px;
    max-width: 1400px;
    margin: 0 auto;
}

.tab-panel {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-panel.active {
    display: block;
}

/* ================================================
   CARDS
   ================================================ */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    padding: 24px;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.card:hover {
    border-color: rgba(148, 163, 184, 0.15);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.card-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-title svg {
    color: var(--primary);
    flex-shrink: 0;
}

/* ================================================
   BADGES
   ================================================ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
    white-space: nowrap;
}

.badge-info {
    background: rgba(59, 130, 246, 0.12);
    color: var(--primary);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.badge-success {
    background: rgba(16, 185, 129, 0.12);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-error {
    background: rgba(244, 63, 94, 0.12);
    color: var(--error);
    border: 1px solid rgba(244, 63, 94, 0.2);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.12);
    color: var(--warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.badge-accent {
    background: rgba(139, 92, 246, 0.12);
    color: var(--accent);
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    display: inline-block;
}

.dot-success {
    background: var(--success);
}

.dot-error {
    background: var(--error);
}

/* ================================================
   TAB 1: SEND NOW
   ================================================ */
.send-layout {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 24px;
    align-items: start;
}

.send-groups-panel {
    position: sticky;
    top: calc(var(--header-height) + var(--tabs-height) + 24px);
    max-height: calc(100vh - var(--header-height) - var(--tabs-height) - 48px);
    display: flex;
    flex-direction: column;
}

.group-search-wrapper {
    position: relative;
    margin-bottom: 12px;
}

.group-search-wrapper.compact {
    margin-bottom: 8px;
}

.search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: 10px 12px 10px 36px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.85rem;
    outline: none;
    transition: all var(--transition-fast);
}

.search-input:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.group-select-all {
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 8px;
}

.group-list {
    flex: 1;
    min-height: 0;
    max-height: 400px;
    overflow-y: auto;
}

/* ---- Checkbox ---- */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
    font-size: 0.9rem;
    user-select: none;
}

.checkbox-label:hover {
    background: var(--bg-hover);
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkbox-custom {
    width: 18px;
    height: 18px;
    border: 2px solid var(--text-muted);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    flex-shrink: 0;
    position: relative;
}

.checkbox-custom::after {
    content: '';
    width: 10px;
    height: 6px;
    border-left: 2px solid #fff;
    border-bottom: 2px solid #fff;
    transform: rotate(-45deg) scale(0);
    transition: transform var(--transition-fast);
    position: absolute;
    top: 2px;
}

.checkbox-label input:checked + .checkbox-custom {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-color: var(--primary);
}

.checkbox-label input:checked + .checkbox-custom::after {
    transform: rotate(-45deg) scale(1);
}

.group-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition-fast);
    user-select: none;
}

.group-item:hover {
    background: var(--bg-hover);
}

.group-item input[type="checkbox"] {
    display: none;
}

.group-item-info {
    flex: 1;
    min-width: 0;
}

.group-item-name {
    font-size: 0.9rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.group-item-id {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-family: monospace;
}

/* ---- Compose ---- */
.send-compose-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.compose-options {
    padding: 20px;
}

.compose-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.toolbar-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.toolbar-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.parse-mode-selector {
    display: flex;
    background: var(--bg-input);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    overflow: hidden;
}

.parse-mode-btn {
    padding: 6px 14px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.parse-mode-btn:hover {
    color: var(--text-primary);
}

.parse-mode-btn.active {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
}

.file-upload-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.file-upload-btn:hover {
    border-color: var(--border-focus);
    color: var(--primary);
    background: var(--bg-hover);
}

.file-preview {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 12px;
    padding: 10px 14px;
    background: rgba(59, 130, 246, 0.06);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: var(--radius-md);
    animation: slideUp 0.2s ease;
}

.file-preview-info {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-size: 0.85rem;
}

#file-size {
    font-size: 0.75rem;
}

/* ---- Message Areas ---- */
#message-areas-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.message-area-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px;
    animation: slideUp 0.3s ease;
}

.message-area-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--primary);
}

.message-area-header .group-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 10px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
}

.message-textarea {
    width: 100%;
    min-height: 100px;
    padding: 12px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    line-height: 1.6;
    resize: vertical;
    outline: none;
    transition: all var(--transition-fast);
}

.message-textarea:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.message-textarea::placeholder {
    color: var(--text-muted);
}

.no-group-selected {
    padding: 48px 24px;
}

/* ---- Send Actions ---- */
.send-actions {
    display: flex;
    justify-content: flex-end;
}

/* ---- Send Results ---- */
.send-results {
    animation: slideUp 0.3s ease;
}

.results-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 300px;
    overflow-y: auto;
}

.result-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(15, 23, 42, 0.5);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    animation: slideUp 0.2s ease;
}

.result-item.success {
    border-left: 3px solid var(--success);
}

.result-item.failed {
    border-left: 3px solid var(--error);
}

.result-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.result-item.success .result-icon {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.result-item.failed .result-icon {
    background: rgba(244, 63, 94, 0.15);
    color: var(--error);
}

.result-info {
    flex: 1;
    min-width: 0;
}

.result-group-name {
    font-weight: 500;
    font-size: 0.9rem;
}

.result-message {
    font-size: 0.8rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ================================================
   TAB 2: SCHEDULE
   ================================================ */
.schedule-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: start;
}

.schedule-form-card form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="password"],
.form-group input[type="datetime-local"],
.form-group select {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* color-scheme for datetime-local */
.form-group input[type="datetime-local"] {
    color-scheme: dark;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

/* ---- Trigger Type Selector ---- */
.trigger-type-selector {
    display: flex;
    gap: 8px;
}

.trigger-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.trigger-btn:hover {
    border-color: var(--border-focus);
    color: var(--text-primary);
}

.trigger-btn.active {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--primary);
    color: var(--primary);
}

/* ---- Day Selector ---- */
.day-selector {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.day-chip {
    cursor: pointer;
}

.day-chip input {
    display: none;
}

.day-chip span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: var(--bg-input);
    border: 1px solid var(--border);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.day-chip:hover span {
    border-color: var(--border-focus);
}

.day-chip input:checked + span {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-color: var(--primary);
    color: #fff;
}

.trigger-field-group {
    animation: fadeIn 0.3s ease;
}

/* ---- Schedule Group Selection ---- */
.schedule-group-selector {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 12px;
}

.schedule-group-list {
    max-height: 180px;
    overflow-y: auto;
    margin-bottom: 8px;
}

#schedule-message-areas {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.schedule-msg-area {
    padding: 10px;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    animation: slideUp 0.2s ease;
}

.schedule-msg-area label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--primary);
    margin-bottom: 6px;
    font-weight: 500;
}

.schedule-msg-area textarea {
    width: 100%;
    min-height: 60px;
    padding: 8px 10px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.85rem;
    resize: vertical;
    outline: none;
    transition: border-color var(--transition-fast);
}

.schedule-msg-area textarea:focus {
    border-color: var(--border-focus);
}

/* ---- Jobs List ---- */
.jobs-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-height: calc(100vh - var(--header-height) - var(--tabs-height) - 140px);
    overflow-y: auto;
}

.job-card {
    padding: 16px;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    animation: slideUp 0.3s ease;
}

.job-card:hover {
    border-color: rgba(148, 163, 184, 0.2);
    background: rgba(15, 23, 42, 0.7);
}

.job-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.job-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.job-meta {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 14px;
}

.job-meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.job-meta-item svg {
    flex-shrink: 0;
    color: var(--text-muted);
}

.job-actions {
    display: flex;
    gap: 8px;
}

.job-actions .btn {
    padding: 5px 12px;
    font-size: 0.78rem;
}

/* ================================================
   TAB 3: GROUPS
   ================================================ */
.groups-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.groups-search-bar {
    position: relative;
    flex: 1;
    max-width: 400px;
}

.groups-search-bar .search-icon {
    left: 14px;
}

.groups-search-bar .search-input {
    padding: 12px 16px 12px 40px;
    font-size: 0.9rem;
}

.groups-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
}

.group-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    transition: all var(--transition-fast);
    animation: slideUp 0.3s ease;
}

.group-card:hover {
    border-color: rgba(148, 163, 184, 0.2);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.group-card-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}

.group-card-avatar {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
}

.group-card-name {
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 2px;
    word-break: break-word;
}

.group-card-id {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: monospace;
}

.group-card-type {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    color: var(--accent);
    font-weight: 500;
}

.group-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.group-card-status-text {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* ---- Toggle Switch ---- */
.toggle-switch {
    position: relative;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: rgba(148, 163, 184, 0.2);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    left: 3px;
    top: 3px;
    background: var(--text-secondary);
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.toggle-switch input:checked + .toggle-slider {
    background: linear-gradient(135deg, var(--primary), var(--accent));
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(20px);
    background: #fff;
}

.toggle-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    cursor: pointer;
}

/* ================================================
   TAB 4: HISTORY
   ================================================ */
.history-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.history-filters {
    display: flex;
    gap: 6px;
}

.filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover {
    border-color: var(--border-focus);
    color: var(--text-primary);
}

.filter-btn.active {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--primary);
    color: var(--primary);
}

.history-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.history-table-card {
    padding: 0;
    overflow: hidden;
}

.table-wrapper {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.data-table thead {
    background: rgba(15, 23, 42, 0.6);
}

.data-table th {
    padding: 14px 18px;
    text-align: left;
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.data-table td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
    vertical-align: middle;
}

.data-table tbody tr {
    transition: background var(--transition-fast);
}

.data-table tbody tr:hover {
    background: var(--bg-hover);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.log-time {
    font-size: 0.8rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.log-group {
    font-weight: 500;
    white-space: nowrap;
}

.log-account {
    min-width: 170px;
    white-space: nowrap;
}

.log-account strong,
.log-account small {
    display: block;
}

.log-account small {
    margin-top: 3px;
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 400;
}

.log-message {
    max-width: 300px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-secondary);
}

.table-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    border-top: 1px solid var(--border);
}

/* ================================================
   TAB 5: ACCOUNTS
   ================================================ */

/* ---- Account Form ---- */
.account-form-card {
    margin-bottom: 24px;
}

.account-form-card form {
    display: flex;
    flex-direction: column;
}

.account-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* ---- Account Cards List ---- */
.accounts-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 16px;
}

.account-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: all var(--transition-normal);
    animation: cardSlideIn 0.4s ease;
    position: relative;
    overflow: hidden;
}

.account-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--error), var(--error));
    transition: background var(--transition-normal);
}

.account-card.connected::before {
    background: linear-gradient(90deg, var(--success), var(--primary));
}

.account-card:hover {
    border-color: rgba(148, 163, 184, 0.2);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.account-card.connected:hover {
    box-shadow: var(--shadow-md), 0 0 20px var(--success-glow);
}

.account-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.account-card-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.account-card-name {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    word-break: break-word;
    line-height: 1.3;
}

.account-card-phone {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.account-card-phone svg {
    color: var(--text-muted);
    flex-shrink: 0;
}

.account-card-username {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 500;
}

.account-card-username svg {
    color: var(--primary);
    flex-shrink: 0;
}

.account-uid {
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 400;
}

.account-card-status {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.account-status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--error);
    flex-shrink: 0;
    transition: all var(--transition-normal);
}

.account-status-dot.connected {
    background: var(--success);
    animation: statusPulse 2s ease-in-out infinite;
    box-shadow: 0 0 8px var(--success-glow);
}

.account-status-dot.disconnected {
    background: var(--error);
}

.account-card-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
}

.account-card-actions .btn {
    font-size: 0.8rem;
}

.account-delete-btn {
    color: var(--error) !important;
    margin-left: auto;
}

.account-delete-btn:hover {
    background: rgba(244, 63, 94, 0.1) !important;
    border-color: rgba(244, 63, 94, 0.3) !important;
}

/* ================================================
   OTP MODAL
   ================================================ */
.otp-modal-card {
    max-width: 420px;
}

.otp-note {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.otp-input-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: 24px;
}

.otp-input {
    width: 200px;
    padding: 16px;
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 0.5em;
    font-family: 'Inter', monospace;
    background: var(--bg-input);
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    outline: none;
    transition: all var(--transition-fast);
}

.otp-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15), 0 0 20px var(--primary-glow);
}

.otp-input::placeholder {
    color: var(--text-muted);
    letter-spacing: 0.3em;
    font-size: 1.5rem;
    font-weight: 400;
}

/* ================================================
   2FA MODAL
   ================================================ */
.two-fa-modal-card {
    max-width: 420px;
}

.two-fa-input-wrapper {
    margin-bottom: 24px;
}

.two-fa-input {
    width: 100%;
    padding: 14px 18px;
    text-align: center;
    font-size: 1rem;
    font-weight: 500;
    background: var(--bg-input);
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    outline: none;
    transition: all var(--transition-fast);
}

.two-fa-input:focus {
    border-color: var(--warning);
    box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.15), 0 0 20px var(--warning-glow);
}

.two-fa-input::placeholder {
    color: var(--text-muted);
    font-weight: 400;
}

/* ================================================
   EMPTY STATES
   ================================================ */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 32px 16px;
    text-align: center;
}

.empty-icon {
    margin-bottom: 16px;
    opacity: 0.6;
}

.empty-state p {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.empty-state small {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ================================================
   TOAST NOTIFICATIONS
   ================================================ */
#toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    min-width: 300px;
    max-width: 440px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    animation: slideInRight 0.4s ease;
    pointer-events: auto;
}

.toast.removing {
    animation: slideOutRight 0.3s ease forwards;
}

.toast-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.toast-content {
    flex: 1;
    font-size: 0.85rem;
    line-height: 1.4;
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 2px;
    display: flex;
    flex-shrink: 0;
    transition: color var(--transition-fast);
}

.toast-close:hover {
    color: var(--text-primary);
}

.toast.success {
    border-left: 3px solid var(--success);
}

.toast.success .toast-icon {
    color: var(--success);
}

.toast.error {
    border-left: 3px solid var(--error);
}

.toast.error .toast-icon {
    color: var(--error);
}

.toast.info {
    border-left: 3px solid var(--primary);
}

.toast.info .toast-icon {
    color: var(--primary);
}

.toast.warning {
    border-left: 3px solid var(--warning);
}

.toast.warning .toast-icon {
    color: var(--warning);
}

/* ================================================
   LOADING OVERLAY
   ================================================ */
#loading-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(10, 14, 26, 0.7);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    animation: fadeIn 0.2s ease;
}

.loading-spinner {
    text-align: center;
}

.spinner-ring {
    width: 48px;
    height: 48px;
    border: 3px solid rgba(59, 130, 246, 0.15);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spinRing 0.8s linear infinite;
    margin: 0 auto 16px;
}

.loading-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    animation: pulse 1.5s ease-in-out infinite;
}

/* ================================================
   CONFIRM MODAL
   ================================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 9998;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(10, 14, 26, 0.7);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    animation: fadeIn 0.2s ease;
}

.modal-card {
    width: 100%;
    max-width: 400px;
    padding: 32px;
    background: var(--bg-card);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    text-align: center;
    animation: scaleIn 0.3s ease;
}

.modal-icon {
    margin-bottom: 16px;
}

.modal-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.modal-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 24px;
    line-height: 1.5;
}

.modal-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
}

/* ---- Edit Job Modal ---- */
.edit-job-modal-card {
    max-width: 560px;
    text-align: left;
    max-height: 90vh;
    overflow-y: auto;
}

.edit-job-modal-card h3 {
    text-align: center;
}

.edit-job-modal-card .modal-icon {
    text-align: center;
}

.edit-job-modal-card .form-group {
    margin-bottom: 16px;
}

.edit-job-modal-card .form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.edit-job-modal-card .form-group input[type="text"],
.edit-job-modal-card .form-group input[type="number"],
.edit-job-modal-card .form-group input[type="datetime-local"],
.edit-job-modal-card .form-group select {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
    transition: all var(--transition-fast);
}

.edit-job-modal-card .form-group input:focus,
.edit-job-modal-card .form-group select:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.edit-job-modal-card .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.edit-job-messages-list {
    max-height: 280px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.edit-msg-item {
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 12px;
}

.edit-msg-item-header {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.edit-msg-item textarea {
    width: 100%;
    min-height: 70px;
    padding: 10px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.85rem;
    resize: vertical;
    outline: none;
    transition: border-color var(--transition-fast);
}

.edit-msg-item textarea:focus {
    border-color: var(--border-focus);
}

.edit-job-modal-card .modal-actions {
    margin-top: 20px;
    justify-content: flex-end;
}

.modal-actions .btn {
    min-width: 100px;
}

/* ================================================
   RESPONSIVE
   ================================================ */
@media (max-width: 1024px) {
    .send-layout {
        grid-template-columns: 1fr;
    }

    .send-groups-panel {
        position: static;
        max-height: 350px;
    }

    .schedule-layout {
        grid-template-columns: 1fr;
    }

    .groups-grid {
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    }

    .tab-contents {
        padding: 16px;
    }

    .accounts-list {
        grid-template-columns: 1fr;
    }

    .account-form-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 56px;
    }

    .app-header {
        padding: 0 16px;
    }

    .header-title {
        font-size: 1rem;
    }

    .connection-status .status-text {
        display: none;
    }

    .btn-logout span {
        display: none;
    }

    .account-selector {
        display: none;
    }

    .tabs-nav {
        padding: 0 8px;
    }

    .tab-btn {
        padding: 12px 8px;
        font-size: 0.8rem;
    }

    .tab-label {
        display: none;
    }

    .tab-icon {
        font-size: 1.3rem;
    }

    .tab-contents {
        padding: 12px;
    }

    .groups-header {
        flex-direction: column;
        align-items: stretch;
    }

    .groups-search-bar {
        max-width: none;
    }

    .history-header {
        flex-direction: column;
        align-items: stretch;
    }

    .history-actions {
        justify-content: space-between;
    }

    .groups-grid {
        grid-template-columns: 1fr;
    }

    .login-card {
        margin: 16px;
        padding: 32px 24px;
    }

    .trigger-type-selector {
        flex-direction: column;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .compose-toolbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .account-form-grid {
        grid-template-columns: 1fr;
    }

    .accounts-list {
        grid-template-columns: 1fr;
    }

    .account-card-header {
        flex-direction: column;
    }

    .account-card-status {
        align-self: flex-start;
    }

    .account-selector-tab {
        flex-direction: column;
        align-items: stretch;
    }

    .account-selector-tab select {
        max-width: none;
    }

    .otp-input {
        width: 160px;
        font-size: 1.5rem;
        padding: 12px;
    }
}

/* ================================================
   SHIMMER SKELETON LOADING
   ================================================ */
.skeleton {
    background: linear-gradient(90deg,
        rgba(148, 163, 184, 0.05) 25%,
        rgba(148, 163, 184, 0.1) 50%,
        rgba(148, 163, 184, 0.05) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

.skeleton-text {
    height: 14px;
    margin-bottom: 8px;
    width: 80%;
}

.skeleton-text-sm {
    height: 10px;
    width: 60%;
}

.skeleton-card {
    height: 120px;
    border-radius: var(--radius-lg);
}