/* ==========================================================================
   AI Formule Dashboard — Design System
   Based on the React landing page tokens (glassmorphism, gradients, glow)
   ========================================================================== */

/* --- CSS Custom Properties --- */
:root {
    --bg-deep: #08060d;
    --bg-surface: #0e0b16;
    --bg-elevated: #13101c;
    --bg-input: #151222;
    --border-subtle: rgba(168, 85, 247, 0.10);
    --border-default: rgba(168, 85, 247, 0.18);
    --border-strong: rgba(168, 85, 247, 0.30);
    --text-primary: #f1f0f5;
    --text-secondary: #c4c0d0;
    --text-muted: #8b86a0;
    --text-dim: #5a5572;
    --accent: #a855f7;
    --accent-dark: #7c3aed;
    --accent-rgb: 168, 85, 247;
    --success: #4ecdc4;
    --success-rgb: 78, 205, 196;
    --error: #ff6b6b;
    --error-rgb: 255, 107, 107;
    --warning: #ff9800;
    --font-main: 'SF Pro Rounded', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, system-ui, sans-serif;
    --font-mono: 'SF Mono', 'JetBrains Mono', 'Fira Code', 'Consolas', 'Monaco', monospace;
    --sidebar-width: 240px;
    --topbar-height: 64px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    /* Tool accent — overridden per page */
    --tool-accent-rgb: var(--accent-rgb);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background: var(--bg-deep);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: #c084fc;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-deep);
}

::-webkit-scrollbar-thumb {
    background: rgba(var(--accent-rgb), 0.25);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(var(--accent-rgb), 0.4);
}

/* --- App Layout --- */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* --- Sidebar --- */
.sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, var(--bg-surface) 0%, var(--bg-deep) 100%);
    border-right: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-brand {
    padding: 24px 20px 20px;
    border-bottom: 1px solid var(--border-subtle);
}

.sidebar-logo {
    height: 28px;
    width: auto;
    opacity: 0.95;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 16px;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    text-decoration: none;
    position: relative;
}

.nav-item:hover {
    color: var(--text-primary);
    background: rgba(var(--accent-rgb), 0.06);
}

.nav-item.active {
    color: var(--text-primary);
    background: rgba(var(--accent-rgb), 0.10);
}

.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 24px;
    background: var(--accent);
    border-radius: 0 3px 3px 0;
}

.nav-item svg,
.nav-item .nav-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    opacity: 0.7;
}

.nav-item.active svg,
.nav-item.active .nav-icon {
    opacity: 1;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-subtle);
}

.sidebar-user {
    display: block;
    font-size: 13px;
    color: var(--text-dim);
    margin-bottom: 8px;
}

.sidebar-footer .nav-item {
    padding: 8px 16px;
    font-size: 13px;
}

/* --- Main Content --- */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* --- Topbar --- */
.topbar {
    height: var(--topbar-height);
    display: flex;
    align-items: center;
    padding: 0 32px;
    border-bottom: 1px solid var(--border-subtle);
    background: rgba(var(--accent-rgb), 0.02);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 50;
}

.page-title {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-muted) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    margin-right: 16px;
    flex-direction: column;
    gap: 5px;
}

.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-muted);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* --- Page Content --- */
.page-content {
    flex: 1;
    padding: 32px;
    max-width: 960px;
    width: 100%;
    animation: fadeSlideUp 0.4s ease-out;
}

@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Glass Card --- */
.glass-card {
    border-radius: var(--radius-lg);
    padding: 24px 28px;
    background: linear-gradient(135deg, rgba(var(--tool-accent-rgb), 0.08) 0%, rgba(var(--tool-accent-rgb), 0.02) 100%);
    border: 1px solid rgba(var(--tool-accent-rgb), 0.15);
    box-shadow: 0 0 30px rgba(var(--tool-accent-rgb), 0.03), inset 0 0 40px rgba(var(--tool-accent-rgb), 0.02);
    backdrop-filter: blur(8px);
    margin-bottom: 24px;
}

/* --- Hub Grid --- */
.hub-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 8px;
}

.hub-card {
    position: relative;
    border-radius: var(--radius-xl);
    padding: 32px 28px;
    text-decoration: none;
    color: var(--text-primary);
    background: linear-gradient(135deg, rgba(var(--card-accent-rgb), 0.10) 0%, rgba(var(--card-accent-rgb), 0.02) 100%);
    border: 1px solid rgba(var(--card-accent-rgb), 0.18);
    box-shadow: 0 0 30px rgba(var(--card-accent-rgb), 0.04);
    backdrop-filter: blur(8px);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.hub-card:hover {
    transform: scale(1.02) translateY(-4px);
    box-shadow: 0 0 50px rgba(var(--card-accent-rgb), 0.12);
    color: var(--text-primary);
}

.hub-card-glow {
    position: absolute;
    top: -40%;
    right: -20%;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(var(--card-accent-rgb), 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.hub-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: rgba(var(--card-accent-rgb), 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 4px;
}

.hub-card-icon svg {
    width: 24px;
    height: 24px;
    stroke: rgb(var(--card-accent-rgb));
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.hub-card h3 {
    font-size: 18px;
    font-weight: 700;
}

.hub-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.5;
}

.hub-card-arrow {
    margin-top: auto;
    padding-top: 8px;
    color: rgba(var(--card-accent-rgb), 0.5);
    font-size: 20px;
    transition: transform 0.3s ease, color 0.3s ease;
}

.hub-card:hover .hub-card-arrow {
    transform: translateX(4px);
    color: rgb(var(--card-accent-rgb));
}

/* --- Section Header --- */
.section-header {
    margin-bottom: 24px;
}

.section-header h2 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 6px;
}

.section-header p {
    color: var(--text-muted);
    font-size: 14px;
}

/* --- Forms --- */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    font-size: 14px;
    color: var(--text-secondary);
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: var(--text-dim);
    font-size: 13px;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
textarea,
.select-input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid rgba(var(--tool-accent-rgb), 0.12);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    font-family: var(--font-mono);
    transition: border-color 0.2s, box-shadow 0.2s;
}

input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus {
    -webkit-box-shadow: 0 0 0 1000px var(--bg-input) inset;
    -webkit-text-fill-color: var(--text-primary);
    caret-color: var(--text-primary);
    transition: background-color 5000s ease-in-out 0s;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
textarea:focus,
.select-input:focus {
    outline: none;
    border-color: rgba(var(--tool-accent-rgb), 0.5);
    box-shadow: 0 0 16px rgba(var(--tool-accent-rgb), 0.1);
}

.select-input {
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238b86a0' fill='none' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}

.input-small {
    font-family: var(--font-mono);
}

/* --- Buttons --- */
.btn-group {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 28px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    font-family: var(--font-main);
    cursor: pointer;
    transition: all 0.25s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    color: white;
    box-shadow: 0 0 20px rgba(var(--accent-rgb), 0.2);
}

.btn-primary:hover:not(:disabled) {
    box-shadow: 0 0 30px rgba(var(--accent-rgb), 0.35);
    transform: translateY(-1px);
}

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

.btn-secondary:hover:not(:disabled) {
    background: rgba(var(--accent-rgb), 0.08);
    border-color: var(--border-strong);
    color: var(--text-primary);
}

.btn-small {
    padding: 7px 16px;
    font-size: 12px;
    font-weight: 600;
    font-family: var(--font-main);
    background: var(--bg-elevated);
    color: var(--text-secondary);
    border: 1px solid var(--border-default);
    border-radius: 6px;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-small:hover {
    background: rgba(var(--accent-rgb), 0.08);
    color: var(--text-primary);
}

/* --- Info Box --- */
.info-box {
    background: linear-gradient(135deg, rgba(var(--tool-accent-rgb), 0.06) 0%, rgba(var(--tool-accent-rgb), 0.01) 100%);
    border: 1px solid rgba(var(--tool-accent-rgb), 0.12);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    margin-bottom: 24px;
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-secondary);
}

.info-box strong {
    color: var(--text-primary);
}

.ssh-key {
    display: block;
    margin-top: 10px;
    padding: 10px 14px;
    background: var(--bg-deep);
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 12px;
    word-break: break-all;
    cursor: pointer;
    user-select: all;
    color: var(--text-muted);
}

/* --- Log Viewer --- */
.log-container {
    margin-top: 24px;
}

.log-container h3 {
    margin-bottom: 12px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-secondary);
}

.log {
    background: var(--bg-deep);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 18px;
    max-height: 420px;
    overflow-y: auto;
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.9;
}

.log-line {
    color: var(--text-dim);
}

.log-step {
    color: rgb(var(--tool-accent-rgb));
    font-weight: 600;
}

.log-error {
    color: var(--error);
}

.log-success {
    color: var(--success);
    font-weight: 600;
}

/* --- Error / Status --- */
.error {
    background: rgba(var(--error-rgb), 0.08);
    color: var(--error);
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    border: 1px solid rgba(var(--error-rgb), 0.2);
    font-size: 14px;
}

.upload-status {
    margin-top: 12px;
}

/* --- Upload / Drop Zone --- */
.upload-section {
    margin-bottom: 28px;
}

.drop-zone {
    border: 2px dashed rgba(var(--tool-accent-rgb), 0.2);
    border-radius: var(--radius-lg);
    padding: 44px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.25s ease;
    margin-bottom: 16px;
    background: rgba(var(--tool-accent-rgb), 0.02);
}

.drop-zone:hover,
.drop-zone.drag-over {
    border-color: rgba(var(--tool-accent-rgb), 0.4);
    background: rgba(var(--tool-accent-rgb), 0.05);
    box-shadow: 0 0 30px rgba(var(--tool-accent-rgb), 0.06);
}

.drop-zone p {
    color: var(--text-muted);
    margin: 4px 0;
}

.drop-zone-sub {
    font-size: 13px;
    color: var(--text-dim) !important;
}

.upload-preview {
    margin-bottom: 12px;
}

.preview-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    margin-bottom: 6px;
    font-size: 13px;
    color: var(--text-secondary);
}

.btn-remove {
    background: none;
    border: none;
    color: var(--error);
    font-size: 18px;
    cursor: pointer;
    padding: 0 4px;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.btn-remove:hover {
    opacity: 1;
}

/* --- Files Grid --- */
.files-section {
    margin-bottom: 28px;
}

.files-section h3 {
    margin-bottom: 14px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-secondary);
}

.files-grid {
    margin-top: 16px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 14px;
}

.file-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.file-card:hover {
    border-color: var(--border-default);
    box-shadow: 0 0 20px rgba(var(--tool-accent-rgb), 0.04);
}

.file-name {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-primary);
    word-break: break-all;
    line-height: 1.4;
}

.file-size {
    font-size: 12px;
    color: var(--text-dim);
}

/* --- Instagram --- */
.insta-section {
    margin-bottom: 28px;
}

.insta-login-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 18px;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    font-size: 14px;
    color: var(--text-muted);
}

.insta-login-form-inner {
    margin-bottom: 20px;
    padding: 18px 20px;
    background: var(--bg-surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-subtle);
}

.insta-login-form-inner p {
    margin: 0 0 14px 0;
    font-size: 13px;
    color: var(--text-muted);
}

.insta-login-form-inner details summary {
    cursor: pointer;
    font-size: 13px;
    color: var(--text-dim);
    transition: color 0.2s;
}

.insta-login-form-inner details summary:hover {
    color: var(--text-muted);
}

.insta-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 20px;
}

/* --- Section Divider --- */
.section-divider {
    border: none;
    border-top: 1px solid var(--border-subtle);
    margin: 36px 0;
}

/* --- Login Page (base_auth) --- */
.auth-layout {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: var(--bg-deep);
    position: relative;
    overflow: hidden;
}

.auth-layout::before {
    content: '';
    position: absolute;
    top: 30%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(var(--accent-rgb), 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.auth-card {
    background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.08) 0%, rgba(var(--accent-rgb), 0.02) 100%);
    border: 1px solid rgba(var(--accent-rgb), 0.15);
    border-radius: var(--radius-xl);
    padding: 48px 40px;
    width: 100%;
    max-width: 420px;
    text-align: center;
    backdrop-filter: blur(12px);
    box-shadow: 0 0 60px rgba(var(--accent-rgb), 0.06);
    position: relative;
    z-index: 1;
    animation: fadeSlideUp 0.5s ease-out;
}

.auth-card h1 {
    font-size: 28px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent) 0%, #c084fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}

.auth-card .subtitle {
    color: var(--text-dim);
    margin-bottom: 32px;
    font-size: 14px;
}

.auth-card .form-group {
    text-align: left;
}

.auth-card .btn-primary {
    width: 100%;
    padding: 14px;
    font-size: 15px;
    margin-top: 8px;
}

/* --- Admin --- */
.admin-card {
    margin-bottom: 24px;
}

.admin-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-secondary);
}

.user-list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    margin-bottom: 6px;
    font-size: 14px;
    color: var(--text-secondary);
}

.user-list-item strong {
    color: var(--text-primary);
}

.user-list-item:hover {
    border-color: var(--border-default);
    background: rgba(var(--accent-rgb), 0.04);
}

/* --- Workflow & Model Selectors (shared) --- */
.workflow-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 340px;
    overflow-y: auto;
    padding: 4px 0;
}

.workflow-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    font-size: 13px;
    color: var(--text-secondary);
}

.workflow-item:hover {
    border-color: var(--border-default);
    background: rgba(var(--tool-accent-rgb), 0.04);
}

.workflow-item.selected {
    border-color: rgba(var(--tool-accent-rgb), 0.4);
    background: rgba(var(--tool-accent-rgb), 0.08);
    color: var(--text-primary);
}

.workflow-item input[type="checkbox"] {
    accent-color: rgb(var(--tool-accent-rgb));
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.workflow-count {
    color: var(--text-dim);
    font-size: 13px;
    margin-top: 8px;
}

.model-category {
    margin-bottom: 16px;
}

.model-category-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: rgba(var(--tool-accent-rgb), 0.06);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background 0.2s;
    margin-bottom: 6px;
}

.model-category-header:hover {
    background: rgba(var(--tool-accent-rgb), 0.10);
}

.model-category-header input[type="checkbox"] {
    accent-color: rgb(var(--tool-accent-rgb));
    width: 16px;
    height: 16px;
}

.model-category-header .cat-name {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-primary);
    flex: 1;
}

.model-category-header .cat-count {
    font-size: 12px;
    color: var(--text-dim);
}

.model-items {
    padding-left: 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.model-count {
    color: var(--text-dim);
    font-size: 13px;
    margin-top: 8px;
}

/* --- Toast Notifications --- */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 200;
    padding: 14px 20px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    transform: translateX(120%);
    transition: transform 0.3s ease;
    backdrop-filter: blur(12px);
    max-width: 400px;
}

.toast.show {
    transform: translateX(0);
}

.toast.error {
    background: rgba(255, 107, 107, 0.15);
    border: 1px solid rgba(255, 107, 107, 0.3);
    color: var(--error);
}

.toast.success {
    background: rgba(78, 205, 196, 0.15);
    border: 1px solid rgba(78, 205, 196, 0.3);
    color: var(--success);
}

/* --- Button Loading State --- */
.btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn.loading::after {
    content: '';
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-left: 8px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* --- Utility Classes --- */
.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: 10px; }
.mb-md { margin-bottom: 16px; }
.mt-0 { margin-top: 0; }
.mt-sm { margin-top: 10px; }
.mt-md { margin-top: 14px; }
.hidden { display: none; }

/* --- Overlay for mobile sidebar --- */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 90;
    backdrop-filter: blur(2px);
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .sidebar.open + .sidebar-overlay {
        display: block;
    }

    .main-content {
        margin-left: 0;
    }

    .hamburger {
        display: flex;
    }

    .topbar {
        padding: 0 20px;
    }

    .page-content {
        padding: 24px 16px;
    }

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

    .insta-options {
        grid-template-columns: 1fr;
    }

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

    .auth-card {
        margin: 20px;
        padding: 36px 28px;
    }
}

@media (max-width: 480px) {
    .btn-group {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .credit-packs-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   SaaS Components — Credits, Video Generator, Drop Zones
   ========================================================================== */

/* --- Auth Link --- */
.auth-link {
    text-align: center;
    margin-top: 20px;
    color: var(--text-muted);
    font-size: 14px;
}

.btn-google {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 12px 16px;
    background: #fff;
    color: #3c4043;
    border: 1px solid #dadce0;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s, box-shadow 0.2s;
}
.btn-google:hover {
    background: #f7f8f8;
    box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 20px 0;
    color: var(--text-dim);
    font-size: 13px;
}
.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: rgba(255,255,255,0.1);
}

.success-msg {
    background: rgba(var(--success-rgb), 0.08);
    color: var(--success);
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-size: 14px;
}

.btn-link {
    background: none;
    border: none;
    color: var(--accent);
    cursor: pointer;
    font-size: 14px;
    text-decoration: underline;
    padding: 0;
}
.btn-link:hover { opacity: 0.8; }

/* --- Credit Bar --- */
.credit-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 15px;
    color: var(--text-secondary);
}

.credit-bar strong {
    color: var(--success);
    font-size: 18px;
}

/* --- Sidebar Credit Badge --- */
.sidebar-credits {
    padding: 0 16px 8px;
}

.credit-badge {
    display: inline-block;
    background: rgba(var(--success-rgb), 0.12);
    color: var(--success);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

/* --- Credit Balance Display --- */
.credit-balance-display {
    text-align: center;
    padding: 20px 0;
}

.credit-balance-number {
    display: block;
    font-size: 56px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--success) 0%, #2dd4bf 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}

.credit-balance-label {
    display: block;
    color: var(--text-secondary);
    font-size: 16px;
    margin-top: 8px;
}

.credit-balance-sub {
    display: block;
    color: var(--text-dim);
    font-size: 13px;
    margin-top: 4px;
}

/* --- Section Title --- */
.section-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 28px 0 16px;
}

/* --- Credit Packs Grid --- */
.credit-packs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.credit-pack-card {
    background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.06) 0%, rgba(var(--accent-rgb), 0.02) 100%);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: 28px 20px;
    text-align: center;
    position: relative;
    transition: border-color 0.2s, transform 0.2s;
}

.credit-pack-card:hover {
    border-color: var(--border-strong);
    transform: translateY(-2px);
}

.credit-pack-card.popular {
    border-color: rgba(var(--success-rgb), 0.4);
    background: linear-gradient(135deg, rgba(var(--success-rgb), 0.08) 0%, rgba(var(--success-rgb), 0.02) 100%);
}

.popular-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--success);
    color: #000;
    font-size: 11px;
    font-weight: 700;
    padding: 3px 14px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pack-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.pack-credits {
    font-size: 28px;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 4px;
}

.pack-price {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.pack-per-credit {
    font-size: 13px;
    color: var(--text-dim);
    margin-bottom: 20px;
}

.pack-btn {
    width: 100%;
}

/* --- Payments List --- */
.payments-list {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.payment-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-subtle);
}

.payment-row:last-child {
    border-bottom: none;
}

.payment-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.payment-credits {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
}

.payment-date {
    font-size: 12px;
    color: var(--text-dim);
}

.payment-meta {
    display: flex;
    align-items: center;
    gap: 12px;
}

.payment-amount {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 14px;
}

.payment-status {
    font-size: 12px;
    padding: 2px 10px;
    border-radius: 20px;
    font-weight: 600;
    text-transform: capitalize;
}

.status-completed, .status-done {
    background: rgba(var(--success-rgb), 0.12);
    color: var(--success);
}

.status-pending, .status-extracting, .status-swapping, .status-generating, .status-polling {
    background: rgba(255, 152, 0, 0.12);
    color: var(--warning);
}

.status-failed {
    background: rgba(var(--error-rgb), 0.12);
    color: var(--error);
}

/* --- Drop Zone --- */
.drop-zone {
    border: 2px dashed var(--border-default);
    border-radius: var(--radius-md);
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}

.drop-zone:hover, .drop-zone.drag-over {
    border-color: rgba(var(--tool-accent-rgb), 0.5);
    background: rgba(var(--tool-accent-rgb), 0.04);
}

.drop-icon {
    width: 40px;
    height: 40px;
    margin-bottom: 12px;
    color: var(--text-dim);
}

.drop-zone p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 4px;
}

.drop-zone small {
    color: var(--text-dim);
    font-size: 12px;
}

/* --- Upload Preview --- */
.upload-preview {
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.preview-img {
    max-width: 200px;
    max-height: 150px;
    border-radius: var(--radius-sm);
    object-fit: cover;
}

.preview-file {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 14px;
}

.btn-remove {
    margin-left: auto;
}

/* --- Pipeline Steps --- */
.pipeline-steps {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
    padding: 16px 0;
}

.pipeline-step {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    position: relative;
}

.pipeline-step::after {
    content: '';
    position: absolute;
    top: 8px;
    left: calc(50% + 12px);
    width: calc(100% - 24px);
    height: 2px;
    background: var(--border-subtle);
}

.pipeline-step:last-child::after {
    display: none;
}

.step-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--bg-input);
    border: 2px solid var(--border-default);
    position: relative;
    z-index: 1;
    transition: all 0.3s;
}

.pipeline-step span {
    font-size: 11px;
    color: var(--text-dim);
    text-align: center;
    transition: color 0.3s;
}

.pipeline-step.active .step-dot {
    border-color: rgba(var(--tool-accent-rgb), 0.8);
    background: rgba(var(--tool-accent-rgb), 0.3);
    box-shadow: 0 0 8px rgba(var(--tool-accent-rgb), 0.4);
    animation: pulse-dot 1.5s infinite;
}

.pipeline-step.active span {
    color: var(--text-primary);
    font-weight: 600;
}

.pipeline-step.completed .step-dot {
    border-color: var(--success);
    background: var(--success);
}

.pipeline-step.completed::after {
    background: var(--success);
}

.pipeline-step.completed span {
    color: var(--success);
}

@keyframes pulse-dot {
    0%, 100% { box-shadow: 0 0 4px rgba(var(--tool-accent-rgb), 0.3); }
    50% { box-shadow: 0 0 12px rgba(var(--tool-accent-rgb), 0.6); }
}

/* --- Jobs List --- */
.jobs-list {
    display: flex;
    flex-direction: column;
}

.job-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-subtle);
}

.job-row:last-child {
    border-bottom: none;
}

.job-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.job-id {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text-secondary);
}

.job-date {
    font-size: 12px;
    color: var(--text-dim);
}

.job-meta {
    display: flex;
    align-items: center;
    gap: 10px;
}

.job-status {
    font-size: 12px;
    padding: 2px 10px;
    border-radius: 20px;
    font-weight: 600;
    text-transform: capitalize;
}

/* --- Preview Select Grid --- */
.preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

.preview-select-card {
    position: relative;
    border: 2px solid var(--border-default);
    border-radius: var(--radius-md);
    padding: 8px;
    cursor: pointer;
    transition: border-color 0.2s, transform 0.2s;
    text-align: center;
}

.preview-select-card:hover {
    border-color: rgba(var(--tool-accent-rgb), 0.5);
    transform: translateY(-2px);
}

.preview-select-card.selected {
    border-color: var(--success);
    box-shadow: 0 0 12px rgba(var(--success-rgb), 0.3);
}

.preview-select-card img {
    width: 100%;
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
}

.preview-select-card span {
    font-size: 13px;
    color: var(--text-secondary);
}

.preview-actions {
    display: flex;
    gap: 12px;
    align-items: center;
    justify-content: flex-end;
}

.preview-delete-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: none;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    font-size: 16px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s;
    z-index: 2;
}
.preview-select-card:hover .preview-delete-btn {
    opacity: 1;
}

.btn-danger {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}
.btn-danger:hover {
    background: rgba(239, 68, 68, 0.25);
}

.status-cancelled {
    background: rgba(156, 163, 175, 0.15);
    color: #9ca3af;
}

/* --- Spinner --- */
.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid rgba(var(--accent-rgb), 0.2);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* --- Utility --- */
.mt-md {
    margin-top: 16px;
}

.hidden {
    display: none !important;
}

/* --- Responsive: Credit Packs --- */
@media (max-width: 768px) {
    .credit-packs-grid {
        grid-template-columns: 1fr;
    }

    .pipeline-steps {
        flex-direction: column;
        gap: 12px;
    }

    .pipeline-step::after {
        display: none;
    }

    .pipeline-step {
        flex-direction: row;
        gap: 12px;
    }
}