/* ==========================================
   AI Slide Generator — Premium Dark UI
   ========================================== */

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

:root {
    /* Core palette */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: rgba(20, 20, 35, 0.7);
    --bg-card-hover: rgba(30, 30, 50, 0.8);
    --border-color: rgba(255, 255, 255, 0.06);
    --border-glow: rgba(120, 100, 255, 0.2);

    /* Text */
    --text-primary: #e8e8f0;
    --text-secondary: #8888a0;
    --text-muted: #555570;

    /* Accent */
    --accent-primary: #7c5cff;
    --accent-secondary: #5cb8ff;
    --accent-glow: rgba(124, 92, 255, 0.3);
    --accent-gradient: linear-gradient(135deg, #7c5cff, #5cb8ff);
    --accent-gradient-hover: linear-gradient(135deg, #8d6fff, #6cc4ff);

    /* Success / Error */
    --success: #4ade80;
    --error: #f87171;
    --warning: #fbbf24;

    /* Spacing */
    --header-height: 64px;

    /* Transitions */
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* ==========================================
   Background Effects
   ========================================== */

.bg-effects {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.bg-gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 50% 0%, rgba(124, 92, 255, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 50%, rgba(92, 184, 255, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse 60% 50% at 20% 80%, rgba(124, 92, 255, 0.04) 0%, transparent 50%);
}

.bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
    background-size: 60px 60px;
}

.floating-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: rgba(124, 92, 255, 0.06);
    top: -100px;
    right: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 350px;
    height: 350px;
    background: rgba(92, 184, 255, 0.05);
    bottom: -50px;
    left: -100px;
    animation-delay: -7s;
}

.orb-3 {
    width: 250px;
    height: 250px;
    background: rgba(168, 85, 247, 0.05);
    top: 50%;
    left: 50%;
    animation-delay: -14s;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    25% {
        transform: translate(30px, -30px) scale(1.05);
    }

    50% {
        transform: translate(-20px, 20px) scale(0.95);
    }

    75% {
        transform: translate(10px, 30px) scale(1.02);
    }
}

/* ==========================================
   Header
   ========================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 100;
    display: flex;
    align-items: center;
}

.header-content {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.logo-icon {
    font-size: 24px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {

    0%,
    100% {
        opacity: 1;
        filter: brightness(1);
    }

    50% {
        opacity: 0.8;
        filter: brightness(1.3);
    }
}

.logo h1 {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.google-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s var(--ease-smooth);
}

.google-btn:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-glow);
    transform: translateY(-1px);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: var(--bg-card);
    border: 1px solid rgba(74, 222, 128, 0.2);
    border-radius: 10px;
    font-size: 13px;
    color: var(--success);
}

.user-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
}

/* ==========================================
   Progress Steps
   ========================================== */

.steps-container {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    z-index: 90;
    background: rgba(10, 10, 15, 0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 24px;
}

.steps {
    max-width: 500px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
}

.step {
    display: flex;
    align-items: center;
    gap: 8px;
    opacity: 0.35;
    transition: all 0.4s var(--ease-smooth);
}

.step.active {
    opacity: 1;
}

.step.completed {
    opacity: 0.7;
}

.step-number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    transition: all 0.4s var(--ease-spring);
}

.step.active .step-number {
    background: var(--accent-gradient);
    border-color: transparent;
    color: white;
    box-shadow: 0 0 20px var(--accent-glow);
}

.step.completed .step-number {
    background: var(--success);
    border-color: transparent;
    color: white;
}

.step-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
}

.step.active .step-label {
    color: var(--text-primary);
}

.step-line {
    width: 40px;
    height: 2px;
    background: var(--border-color);
    margin: 0 8px;
    transition: background 0.4s var(--ease-smooth);
}

.step.completed+.step-line,
.step-line:has(+ .step.active) {
    background: var(--accent-primary);
}

/* ==========================================
   Main Content
   ========================================== */

.main-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    padding: calc(var(--header-height) + 80px) 24px 60px;
}

.step-panel {
    display: none;
    animation: fadeSlideUp 0.5s var(--ease-smooth);
}

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

@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================
   Glass Card
   ========================================== */

.panel-card {
    margin-bottom: 24px;
    border-radius: 16px;
    overflow: hidden;
}

.glass {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.panel-header {
    padding: 24px 28px 16px;
}

.panel-header h2 {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.3px;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.emoji {
    font-size: 22px;
}

.panel-desc {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ==========================================
   Input Section
   ========================================== */

.input-section {
    padding: 0 28px 24px;
}

/* Import Tabs */
.import-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
    padding: 4px;
}

.import-tab {
    flex: 1;
    padding: 10px 14px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--text-secondary);
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s var(--ease-smooth);
}

.import-tab:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.04);
}

.import-tab.active {
    background: var(--bg-card);
    color: var(--text-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.import-tab-content {
    display: none;
}

.import-tab-content.active {
    display: block;
}

/* Import Box */
.import-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 30px;
    background: rgba(0, 0, 0, 0.2);
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s var(--ease-smooth);
    min-height: 220px;
}

.import-box:hover,
.import-box.drag-over {
    border-color: var(--accent-primary);
    background: rgba(124, 92, 255, 0.04);
}

.import-box.drag-over {
    box-shadow: 0 0 20px var(--accent-glow);
}

.import-icon {
    font-size: 40px;
    margin-bottom: 12px;
}

.import-box h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 6px;
}

.import-box p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.url-input {
    width: 100%;
    max-width: 480px;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    outline: none;
    margin-bottom: 14px;
    transition: all 0.2s var(--ease-smooth);
}

.url-input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.url-input::placeholder {
    color: var(--text-muted);
}

.file-input-hidden {
    display: none;
}

.btn-secondary {
    background: rgba(124, 92, 255, 0.12);
    color: var(--accent-primary);
    border: 1px solid rgba(124, 92, 255, 0.3);
}

.btn-secondary:hover:not(:disabled) {
    background: rgba(124, 92, 255, 0.2);
    transform: translateY(-1px);
}

.import-status {
    font-size: 12px;
    margin-top: 12px;
    min-height: 18px;
    transition: all 0.3s;
}

.import-status.success {
    color: var(--success);
}

.import-status.error {
    color: var(--error);
}

.import-status.loading {
    color: var(--accent-secondary);
}

textarea {
    width: 100%;
    min-height: 280px;
    padding: 20px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    line-height: 1.7;
    resize: vertical;
    transition: all 0.3s var(--ease-smooth);
    outline: none;
}

textarea:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

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

.input-options {
    display: flex;
    gap: 24px;
    margin-top: 16px;
    flex-wrap: wrap;
}

.option-group {
    flex: 1;
    min-width: 200px;
}

.option-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.slider-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
}

.num-slider {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.08);
    outline: none;
}

.num-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent-gradient);
    cursor: pointer;
    box-shadow: 0 0 10px var(--accent-glow);
    transition: transform 0.2s var(--ease-spring);
}

.num-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.slider-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent-primary);
    min-width: 40px;
    text-align: center;
}

.select-input {
    width: 100%;
    padding: 10px 14px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    cursor: pointer;
    outline: none;
    transition: all 0.2s var(--ease-smooth);
}

.select-input:focus {
    border-color: var(--accent-primary);
}

/* ==========================================
   Theme Gallery
   ========================================== */

.theme-section {
    padding-bottom: 8px;
}

.theme-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    padding: 0 28px 24px;
}

.theme-card {
    position: relative;
    padding: 16px;
    border-radius: 12px;
    background: rgba(0, 0, 0, 0.3);
    border: 2px solid var(--border-color);
    cursor: pointer;
    transition: all 0.3s var(--ease-spring);
    overflow: hidden;
}

.theme-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--theme-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s var(--ease-smooth);
}

.theme-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-3px);
    background: rgba(0, 0, 0, 0.4);
}

.theme-card:hover::before {
    transform: scaleX(1);
}

.theme-card.selected {
    border-color: var(--accent-primary);
    background: rgba(124, 92, 255, 0.08);
    box-shadow: 0 0 24px var(--accent-glow);
}

.theme-card.selected::before {
    transform: scaleX(1);
}

.theme-emoji {
    font-size: 24px;
    margin-bottom: 6px;
}

.theme-name {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 3px;
}

.theme-desc {
    font-size: 11px;
    color: var(--text-secondary);
    line-height: 1.4;
}

.theme-colors {
    display: flex;
    gap: 4px;
    margin-top: 10px;
}

.theme-swatch {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.theme-check {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    opacity: 0;
    transform: scale(0.5);
    transition: all 0.3s var(--ease-spring);
}

.theme-card.selected .theme-check {
    opacity: 1;
    transform: scale(1);
}

/* ==========================================
   Buttons
   ========================================== */

.action-bar {
    display: flex;
    justify-content: center;
    gap: 12px;
    padding: 12px 0 24px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 12px;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s var(--ease-spring);
    position: relative;
    overflow: hidden;
}

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

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover:not(:disabled) {
    background: var(--accent-gradient-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-large {
    padding: 14px 32px;
    font-size: 15px;
    border-radius: 14px;
}

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

.btn-ghost:hover {
    background: var(--bg-card);
    color: var(--text-primary);
    border-color: var(--border-glow);
}

.btn-small {
    padding: 8px 16px;
    font-size: 13px;
    border-radius: 8px;
}

.btn-icon {
    font-size: 16px;
}

.btn-icon-svg {
    flex-shrink: 0;
}

.btn-shimmer {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    transform: translateX(-100%);
    transition: none;
}

.btn-primary:hover .btn-shimmer {
    animation: shimmer 0.8s ease;
}

@keyframes shimmer {
    from {
        transform: translateX(-100%);
    }

    to {
        transform: translateX(100%);
    }
}

/* ==========================================
   Slides Preview
   ========================================== */

.slides-preview {
    padding: 0 28px;
    overflow: hidden;
}

.slide-preview-container {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    margin-bottom: 16px;
}

.slide-preview-card {
    position: absolute;
    inset: 0;
    padding: 32px 40px;
    display: none;
    flex-direction: column;
    transition: opacity 0.3s var(--ease-smooth);
}

.slide-preview-card.active {
    display: flex;
}

.slide-preview-card .slide-type-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: rgba(0, 0, 0, 0.3);
    color: rgba(255, 255, 255, 0.7);
}

.slide-title-preview {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.3;
}

.slide-body-preview {
    font-size: 14px;
    line-height: 1.8;
    flex: 1;
}

.slide-body-preview .bullet {
    padding: 4px 0;
}

.slide-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    flex: 1;
}

.slide-column h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 8px;
}

.slide-column ul {
    list-style: none;
    font-size: 13px;
    line-height: 1.8;
}

.slide-column ul li::before {
    content: '• ';
    opacity: 0.6;
}

.slide-quote-text {
    font-size: 20px;
    font-weight: 600;
    text-align: center;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1.5;
    font-style: italic;
}

.slide-quote-author {
    text-align: center;
    font-size: 13px;
    opacity: 0.7;
    margin-top: 8px;
}

.slide-chart-placeholder {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    opacity: 0.5;
}

/* Slide Navigation */
.slide-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 12px 28px 24px;
}

.slide-indicator {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 60px;
    text-align: center;
}

/* Slide Thumbnails */
.slide-thumbnails {
    display: flex;
    gap: 8px;
    padding: 0 28px 20px;
    overflow-x: auto;
    scroll-behavior: smooth;
}

.slide-thumbnail {
    flex-shrink: 0;
    width: 100px;
    aspect-ratio: 16 / 9;
    border-radius: 6px;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 8px;
    padding: 6px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    transition: all 0.2s var(--ease-smooth);
    overflow: hidden;
}

.slide-thumbnail:hover {
    border-color: var(--border-glow);
}

.slide-thumbnail.active {
    border-color: var(--accent-primary);
    box-shadow: 0 0 12px var(--accent-glow);
}

.slide-thumbnail .thumb-title {
    font-weight: 700;
    font-size: 7px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.slide-thumbnail .thumb-num {
    position: absolute;
    bottom: 2px;
    right: 4px;
    font-size: 8px;
    opacity: 0.5;
}

/* ==========================================
   Result Panel
   ========================================== */

.result-panel {
    text-align: center;
    padding: 60px 28px !important;
}

.result-icon {
    font-size: 64px;
    margin-bottom: 20px;
    animation: bounce-in 0.6s var(--ease-spring);
}

@keyframes bounce-in {
    0% {
        transform: scale(0);
    }

    50% {
        transform: scale(1.2);
    }

    100% {
        transform: scale(1);
    }
}

.result-panel h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.result-message {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 28px;
}

.result-link {
    text-decoration: none;
    display: inline-flex;
    margin-bottom: 16px;
}

/* ==========================================
   Loading Overlay
   ========================================== */

.loading-overlay {
    position: fixed;
    inset: 0;
    z-index: 200;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
}

.loading-overlay.active {
    display: flex;
}

.loading-card {
    text-align: center;
    padding: 48px 56px;
    border-radius: 20px;
    min-width: 320px;
}

.loading-spinner {
    position: relative;
    width: 64px;
    height: 64px;
    margin: 0 auto 24px;
}

.spinner-ring {
    position: absolute;
    inset: 0;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.spinner-icon {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: pulse-glow 2s ease-in-out infinite;
}

.loading-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 6px;
}

.loading-card p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.loading-progress {
    height: 4px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 2px;
    overflow: hidden;
}

.loading-bar {
    height: 100%;
    width: 0%;
    background: var(--accent-gradient);
    border-radius: 2px;
    transition: width 0.5s var(--ease-smooth);
}

/* ==========================================
   Toast Notifications
   ========================================== */

.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 300;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 14px 20px;
    border-radius: 12px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    font-size: 13px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: toast-in 0.4s var(--ease-spring);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.toast.success {
    border-color: rgba(74, 222, 128, 0.3);
    color: var(--success);
}

.toast.error {
    border-color: rgba(248, 113, 113, 0.3);
    color: var(--error);
}

.toast.warning {
    border-color: rgba(251, 191, 36, 0.3);
    color: var(--warning);
}

@keyframes toast-in {
    from {
        transform: translateX(100px);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes toast-out {
    from {
        transform: translateX(0);
        opacity: 1;
    }

    to {
        transform: translateX(100px);
        opacity: 0;
    }
}

/* ==========================================
   Responsive
   ========================================== */

@media (max-width: 768px) {
    .theme-gallery {
        grid-template-columns: repeat(2, 1fr);
    }

    .main-content {
        padding-left: 16px;
        padding-right: 16px;
    }

    .panel-header {
        padding: 20px 20px 12px;
    }

    .input-section {
        padding: 0 20px 20px;
    }

    .theme-gallery {
        padding: 0 20px 20px;
    }

    .slides-preview {
        padding: 0 20px;
    }

    .slide-nav {
        padding: 12px 20px 20px;
    }

    .slide-thumbnails {
        padding: 0 20px 16px;
    }
}

@media (max-width: 480px) {
    .theme-gallery {
        grid-template-columns: 1fr;
    }

    .step-label {
        display: none;
    }

    .header-content h1 {
        font-size: 15px;
    }
}