/* =========================================
   MASTER STYLESHEET (Modern Glass UI - 2025)
   ========================================= */

/* --- CSS Variables (Themes & Colors) --- */
:root {
    /* Modern Indigo/Violet Palette */
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-glow: rgba(99, 102, 241, 0.4);
    
    --secondary: #0f172a;
    --secondary-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    
    /* Backgrounds */
    --bg-color: #f8fafc;
    --bg-gradient: linear-gradient(135deg, #f0fdfa 0%, #f1f5f9 100%);
    
    /* Glass Effect Cards */
    --card-bg: rgba(255, 255, 255, 0.9);
    --card-border: rgba(255, 255, 255, 0.6);
    --backdrop-blur: 12px;

    /* Text */
    --text-dark: #1e293b;
    --text-muted: #64748b;
    
    /* Functional Colors */
    --border-color: #e2e8f0;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --whatsapp: #25D366;

    /* Dimensions & Shadows */
    --radius-md: 12px;
    --radius-lg: 24px;
    --shadow-sm: 0 2px 4px rgba(148, 163, 184, 0.1);
    --shadow-lg: 0 20px 40px -5px rgba(148, 163, 184, 0.15);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.15);
}

/* --- Dark Mode Variables (modern app contrast) --- */
body.dark-mode {
    --bg-color: #0f0f0f;
    --bg-gradient: #0f0f0f;
    --card-bg: #1a1a1a;
    --card-border: rgba(255, 255, 255, 0.08);
    --text-dark: #f5f5f5;
    --text-muted: #a3a3a3;
    --border-color: #2a2a2a;
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.55);
}

body.dark-mode .alert-error {
    background-color: #2c1515;
    color: #fca5a5;
    border-color: #7f1d1d;
}

body.dark-mode .alert-success {
    background-color: #0f2419;
    color: #86efac;
    border-color: #166534;
}

body.dark-mode .badge-active {
    background-color: #14532d;
    color: #bbf7d0;
}

body.dark-mode .badge-inactive {
    background-color: #450a0a;
    color: #fecaca;
}

/* --- Global Reset --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Inter', 'Poppins', sans-serif;
    background: var(--bg-gradient); /* New Gradient Background */
    background-attachment: fixed;
    color: var(--text-dark);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: background 0.3s ease, color 0.3s ease;
}

/* --- Layout Containers --- */
.wrapper {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 30px 20px;
}

.login-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
    background: var(--secondary-gradient); /* Premium login bg */
}

/* Auth pages (login / signup): theme + mobile-friendly */
.page-auth {
    position: relative;
}

.page-auth .login-wrapper {
    background: var(--bg-gradient);
}

.page-auth .auth-card:hover {
    transform: none;
    box-shadow: var(--shadow-lg);
}

.auth-theme-toggle {
    position: fixed;
    top: max(16px, env(safe-area-inset-top));
    right: max(16px, env(safe-area-inset-right));
    z-index: 100;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    font-size: 1.2rem;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

body.page-auth.dark-mode .auth-theme-toggle {
    background: #1a1a1a;
    border-color: #333;
}

body.page-auth.dark-mode .login-wrapper {
    background: var(--bg-gradient);
}

.container-sm {
    width: 100%;
    max-width: 550px;
    margin: 0 auto;
}

/* --- Modern Glass Cards --- */
.card {
    background: var(--card-bg);
    backdrop-filter: blur(var(--backdrop-blur)); /* Glass Effect */
    -webkit-backdrop-filter: blur(var(--backdrop-blur));
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 30px;
    border: 1px solid var(--card-border);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease;
    margin-bottom: 25px;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
}

.card-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 18px;
    margin-bottom: 25px;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-dark);
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 12px;
}

/* --- Modern Form Controls --- */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-size: 0.75rem;
}

/* Inputs styling */
input, select, textarea, .form-control {
    width: 100%;
    padding: 14px 18px;
    font-size: 16px !important;
    font-family: inherit;
    color: var(--text-dark);
    background-color: var(--bg-color); /* Lighter bg inside input */
    border: 2px solid transparent; /* No hard border initially */
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    min-height: 52px;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
}

.form-control:focus {
    outline: none;
    background-color: var(--card-bg);
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-glow);
}

textarea.form-control {
    min-height: 140px;
    resize: vertical;
}

/* --- Modern Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    gap: 10px;
    letter-spacing: 0.3px;
    position: relative;
    overflow: hidden;
}

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

/* Primary with Gradient */
.btn-primary {
    background: var(--secondary-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--bg-color);
    color: var(--text-dark);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover {
    background-color: var(--border-color);
}

.btn-success { background-color: var(--success); color: white; }
.btn-danger { background-color: var(--danger); color: white; }

/* WhatsApp Button */
.btn-whatsapp {
    background-color: var(--whatsapp);
    color: white;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}
.btn-whatsapp:hover {
    background-color: #1ebd59;
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.4);
    transform: translateY(-2px);
}

.btn-block { width: 100%; }

/* --- Tables with Soft Style --- */
.table-responsive {
    overflow-x: auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    background-color: var(--card-bg);
    -webkit-overflow-scrolling: touch;
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    white-space: nowrap;
}

th {
    background-color: rgba(99, 102, 241, 0.05); /* Tint of primary */
    padding: 18px;
    text-align: left;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border-color);
}

td {
    padding: 18px;
    font-size: 0.95rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-dark);
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background-color: rgba(0,0,0,0.02);
}

/* --- Alerts & Badges --- */
.alert {
    padding: 16px;
    border-radius: var(--radius-md);
    margin-bottom: 25px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
}
.alert-error { background-color: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.alert-success { background-color: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }

.badge {
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.badge-active { background-color: #d1fae5; color: #047857; }
.badge-inactive { background-color: #fee2e2; color: #b91c1c; }

/* --- Dashboard Grid --- */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
}

@media (min-width: 992px) {
    .dashboard-grid {
        grid-template-columns: 320px 1fr;
        align-items: start;
    }
}

/* Sidebar Styling */
.sidebar .card {
    position: sticky;
    top: 20px;
}

.sidebar .btn {
    justify-content: flex-start;
    padding: 16px;
    background: transparent;
    color: var(--text-muted);
    box-shadow: none;
    border-radius: var(--radius-md);
    font-weight: 500;
}

.sidebar .btn:hover, .sidebar .btn.active {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
}

/* Toast Message with Animation */
#msg-toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px) scale(0.9);
    background: var(--text-dark); /* Dark toast looks premium */
    color: white;
    padding: 14px 30px;
    border-radius: 50px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    font-weight: 600;
    z-index: 9999;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
#msg-toast.show {
    transform: translateX(-50%) translateY(0) scale(1);
    opacity: 1;
}

/* Custom Select Arrow */
select.form-control {
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236366f1' 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 1.2rem center;
    background-size: 1.2em;
    padding-right: 45px !important;
}


/* Custom Scrollbar for Chrome, Safari and Opera */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05); 
}

::-webkit-scrollbar-thumb {
    background: var(--primary); 
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-hover); 
}

/* =========================================
   POSTER DASHBOARD (modern mobile-first UI)
   ========================================= */

.page-poster-dashboard .poster-dashboard-wrap {
    padding-top: 16px;
    padding-bottom: 32px;
}

.poster-dashboard-grid {
    align-items: start;
}

/* —— Sidebar (poster page) —— */
.poster-sidebar__welcome {
    background: var(--secondary-gradient);
    color: #fff;
    border: none;
    margin-bottom: 16px;
}

.poster-sidebar__welcome:hover {
    transform: none;
    box-shadow: var(--shadow-lg);
}

.poster-sidebar__title {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.3;
}

.poster-sidebar__badge {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
}

.poster-sidebar__stats {
    text-align: center;
    margin-bottom: 16px;
}

.poster-sidebar__stats-label {
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.poster-sidebar__stats-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.2;
}

.poster-sidebar__nav {
    margin-bottom: 0;
}

.poster-sidebar__btn-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.poster-sidebar__btn {
    flex-direction: column;
    font-size: 0.8rem;
    padding: 14px 10px;
    min-height: 48px;
    justify-content: center;
}

.poster-sidebar__btn--logout {
    grid-column: span 2;
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

body.dark-mode .poster-sidebar__btn--logout {
    background: #3f1d1d;
    color: #fecaca;
    border-color: #7f1d1d;
}

/* —— Main column —— */
.poster-main__header {
    margin-bottom: 16px;
    padding: 0 4px;
}

.poster-main__heading {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-dark);
    letter-spacing: -0.02em;
    line-height: 1.25;
    margin-bottom: 6px;
}

.poster-main__sub {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.45;
    margin-bottom: 12px;
}

.poster-flow-steps {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0;
    padding: 0;
}

.poster-flow-steps__item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-dark);
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    padding: 10px 14px;
    min-height: 44px;
    box-shadow: var(--shadow-sm);
}

.poster-flow-steps__num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 800;
}

body.dark-mode .poster-flow-steps__item {
    background: #1f1f1f;
    border-color: #333;
}

.poster-workspace {
    margin-bottom: 0;
}

.page-poster-dashboard .poster-workspace:hover {
    transform: none;
}

.page-poster-dashboard .poster-sidebar .card:hover {
    transform: none;
}

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

.poster-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.poster-section__label {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin: 0;
}

.poster-prompt-vars__hint {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.45;
    margin: 0;
}

.poster-prompt-vars__code {
    font-size: 0.78em;
    padding: 1px 5px;
    border-radius: 4px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    font-family: ui-monospace, monospace;
}

.poster-prompt-vars__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

@media (min-width: 600px) {
    .poster-prompt-vars__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.poster-prompt-vars__field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.poster-prompt-vars__lbl {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.04em;
}

/* —— Design card grid —— */
.design-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
    gap: 12px;
}

.design-card {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    padding: 12px;
    margin: 0;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-color);
    cursor: pointer;
    text-align: left;
    font: inherit;
    color: var(--text-dark);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
    -webkit-tap-highlight-color: transparent;
    min-height: 120px;
    touch-action: manipulation;
}

.design-card:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.15);
}

.design-card:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.design-card--selected {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.08);
    box-shadow: 0 0 0 2px var(--primary), 0 8px 24px rgba(99, 102, 241, 0.2);
}

body.dark-mode .design-card--selected {
    background: rgba(99, 102, 241, 0.15);
}

.design-card__thumb {
    aspect-ratio: 1;
    border-radius: 10px;
    overflow: hidden;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.design-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.design-card__placeholder {
    font-size: 2.5rem;
    opacity: 0.35;
}

.design-card__name {
    font-size: 0.82rem;
    font-weight: 600;
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.design-select-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-muted);
    margin: 0 0 6px;
    display: block;
}

.design-select-dropdown {
    width: 100%;
    margin-bottom: 14px;
    min-height: 48px;
    font-size: 0.92rem;
    border-radius: 12px;
    touch-action: manipulation;
}

/* —— Headline field —— */
.headline-field {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.headline-field__toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.headline-field__toolbar--split {
    flex-wrap: wrap;
    align-items: flex-end;
}

.poster-ai-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 10px;
    width: 100%;
    max-width: 100%;
}

@media (min-width: 640px) {
    .headline-field__toolbar--split .poster-ai-toolbar {
        width: auto;
        max-width: none;
        flex: 1;
        justify-content: flex-end;
    }
}

.poster-ai-toolbar__field {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.poster-ai-toolbar__lbl {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.poster-ai-select {
    min-height: 44px !important;
    padding: 10px 12px !important;
    font-size: 0.88rem !important;
    max-width: 140px;
}

.btn-ai-enhance {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 10px 16px;
    border-radius: 12px;
    border: 2px solid #7c3aed;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.12) 0%, rgba(99, 102, 241, 0.15) 100%);
    color: #6d28d9;
    font-weight: 700;
    font-size: 0.88rem;
    cursor: pointer;
    font-family: inherit;
    touch-action: manipulation;
    transition: transform 0.15s ease, box-shadow 0.2s ease, opacity 0.2s;
}

body.dark-mode .btn-ai-enhance {
    color: #c4b5fd;
    border-color: #8b5cf6;
    background: rgba(139, 92, 246, 0.15);
}

.btn-ai-enhance:hover:not(:disabled) {
    box-shadow: 0 6px 20px rgba(124, 58, 237, 0.25);
    transform: translateY(-1px);
}

.btn-ai-enhance:disabled {
    opacity: 0.65;
    cursor: not-allowed;
    transform: none;
}

.btn-ai-enhance__spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(124, 58, 237, 0.35);
    border-top-color: #7c3aed;
    border-radius: 50%;
    animation: poster-spin 0.75s linear infinite;
}

body.dark-mode .btn-ai-enhance__spinner {
    border-color: rgba(196, 181, 253, 0.35);
    border-top-color: #c4b5fd;
}

.headline-field__label {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin: 0;
}

.headline-field__shell {
    position: relative;
}

.headline-field__textarea {
    width: 100%;
    min-height: 168px;
    padding: 18px 16px 52px 16px;
    font-size: 1.05rem !important;
    line-height: 1.55;
    resize: vertical;
    border-radius: 14px;
}

.headline-field__mic {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    min-height: 44px;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    background: var(--card-bg);
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: background 0.2s, border-color 0.2s, color 0.2s;
    flex-shrink: 0;
    touch-action: manipulation;
}

.headline-field__mic:hover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.08);
}

.headline-field__mic--listening {
    border-color: #ef4444;
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}

.headline-field__shell .headline-field__mic {
    position: absolute;
    right: 12px;
    bottom: 12px;
    z-index: 2;
}

.headline-field__shell .headline-field__textarea {
    padding-bottom: 56px;
}

/* —— Ad checkbox —— */
.poster-ad-check {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-dark);
    user-select: none;
}

.poster-ad-check__input {
    width: 22px;
    height: 22px;
    accent-color: var(--primary);
    flex-shrink: 0;
}

/* —— Generate button —— */
.btn-generate-poster {
    min-height: 56px;
    padding: 18px 24px;
    font-size: 1.08rem;
    font-weight: 700;
    border: none;
    border-radius: 14px;
    color: #fff;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    box-shadow: 0 8px 28px rgba(99, 102, 241, 0.45);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: transform 0.15s ease, box-shadow 0.2s ease, opacity 0.2s;
}

.btn-generate-poster:hover:not(:disabled) {
    box-shadow: 0 12px 36px rgba(99, 102, 241, 0.55);
    transform: translateY(-1px);
}

.btn-generate-poster:disabled {
    opacity: 0.75;
    cursor: not-allowed;
    transform: none;
}

.btn-generate-poster__spinner {
    display: none;
    width: 22px;
    height: 22px;
    border: 3px solid rgba(255, 255, 255, 0.35);
    border-top-color: #fff;
    border-radius: 50%;
    animation: poster-spin 0.75s linear infinite;
    vertical-align: middle;
}

@keyframes poster-spin {
    to { transform: rotate(360deg); }
}

/* —— Prompt preview —— */
.prompt-preview-wrap {
    max-height: 200px;
    height: auto;
    min-height: 120px;
    overflow-x: hidden;
    overflow-y: auto;
    border-radius: 14px;
    border: 1px solid var(--border-color);
    background: var(--bg-color);
    -webkit-overflow-scrolling: touch;
}

.prompt-preview {
    margin: 0;
    padding: 16px;
    font-size: 0.88rem;
    line-height: 1.55;
    white-space: normal;
    word-break: break-word;
    overflow-wrap: anywhere;
    color: var(--text-dark);
    font-family: 'Inter', system-ui, sans-serif;
}

.prompt-preview-hint {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
    margin-top: -4px;
}

.prompt-preview-hint[hidden] {
    display: none;
}

/* —— Action buttons —— */
.poster-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.poster-actions[hidden] {
    display: none !important;
}

.btn-copy-prompt {
    min-height: 52px;
    padding: 14px 12px;
    font-size: 0.92rem;
    font-weight: 700;
    border-radius: 12px;
    background: var(--text-dark);
    color: #fff;
    border: none;
    box-shadow: var(--shadow-sm);
    touch-action: manipulation;
}

body.dark-mode .btn-copy-prompt {
    background: #2e2e2e;
    color: #fafafa;
    border: 1px solid var(--border-color);
}

.btn-copy-prompt:hover {
    opacity: 0.92;
}

.btn-share-wa {
    min-height: 52px;
    padding: 14px 12px;
    font-size: 0.92rem;
    font-weight: 700;
    border-radius: 12px;
    touch-action: manipulation;
}

/* —— AI poster image generate —— */
.poster-image-gen {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.poster-image-gen__hint {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0 0 12px;
    line-height: 1.45;
}

.poster-user-photo-field {
    margin-bottom: 14px;
}

.poster-user-photo-field__label {
    display: block;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.poster-user-photo-field__input {
    width: 100%;
    min-height: 48px;
    padding: 10px 12px;
    font-size: 0.88rem;
    border-radius: 12px;
    touch-action: manipulation;
}

.poster-user-photo-field__hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin: 8px 0 0;
    line-height: 1.4;
}

.btn-image-gen {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    min-height: 52px;
    padding: 14px 12px;
    font-size: 0.95rem;
    font-weight: 700;
    border-radius: 12px;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: #fff;
    border: none;
    box-shadow: var(--shadow-sm);
    touch-action: manipulation;
}

.btn-image-gen:disabled {
    opacity: 0.75;
}

.btn-image-gen__spinner {
    display: none;
    width: 18px;
    height: 18px;
    margin-right: 8px;
    vertical-align: middle;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: #fff;
    border-radius: 50%;
    animation: poster-spin 0.75s linear infinite;
}

.poster-gen-preview-wrap {
    margin-top: 16px;
}

.poster-gen-preview-wrap[hidden] {
    display: none !important;
}

.poster-gen-preview-img {
    display: block;
    width: 100%;
    max-width: 420px;
    height: auto;
    margin: 0 auto 12px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    background: var(--card-bg);
}

.poster-gen-download-again {
    margin-top: 4px;
}

body.dark-mode .btn-image-gen {
    background: linear-gradient(135deg, #4f46e5 0%, #6d28d9 100%);
}

@media (max-width: 360px) {
    .poster-actions {
        grid-template-columns: 1fr;
    }
}

/* —— Loading overlay —— */
.poster-loading-overlay {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(15, 15, 15, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.poster-loading-overlay[hidden] {
    display: none !important;
}

.poster-loading-overlay__box {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 28px 36px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    max-width: 280px;
}

.poster-loading-overlay__spinner {
    width: 40px;
    height: 40px;
    margin: 0 auto 16px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: poster-spin 0.8s linear infinite;
}

.poster-loading-overlay__text {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.95rem;
}

/* —— Toast —— */
.poster-toast,
#msg-toast.poster-toast {
    position: fixed;
    bottom: max(24px, env(safe-area-inset-bottom));
    left: 50%;
    transform: translateX(-50%) translateY(120px);
    background: var(--text-dark);
    color: #fff;
    padding: 14px 28px;
    border-radius: 999px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
    font-weight: 600;
    font-size: 0.95rem;
    z-index: 10001;
    opacity: 0;
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease;
    pointer-events: none;
}

#msg-toast.poster-toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

body.dark-mode #msg-toast.poster-toast {
    background: #f5f5f5;
    color: #0f0f0f;
}

/* —— Sidebar sticky on desktop —— */
@media (min-width: 992px) {
    .poster-sidebar .card {
        position: sticky;
        top: 16px;
    }

    .poster-main__heading {
        font-size: 1.65rem;
    }

    .design-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    }
}

/* Poster sidebar: override global .sidebar .btn (transparent) */
.page-poster-dashboard .poster-sidebar .btn.poster-sidebar__btn {
    justify-content: center;
    background: var(--bg-color);
    color: var(--text-dark);
    border: 1px solid var(--border-color);
    box-shadow: none;
}

.page-poster-dashboard .poster-sidebar .btn.poster-sidebar__btn:hover {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    border-color: rgba(99, 102, 241, 0.35);
}

.page-poster-dashboard .poster-sidebar .poster-sidebar__btn--logout:hover {
    background: #fecaca;
    color: #7f1d1d;
}

body.dark-mode .page-poster-dashboard .poster-sidebar .poster-sidebar__btn--logout:hover {
    background: #5c2626;
    color: #fecaca;
}

@media (prefers-reduced-motion: reduce) {
    .btn-generate-poster__spinner,
    .poster-loading-overlay__spinner {
        animation: none;
        border-top-color: transparent;
    }
    .design-card,
    .btn-generate-poster,
    .poster-toast {
        transition: none !important;
    }
}