/* ==========================================
   Banana Slides - Main Stylesheet
   ========================================== */

/* CSS Variables */
:root {
    --color-bg: #f8f9fa;
    --color-bg-alt: #ffffff;
    --color-text: #1a1a2e;
    --color-text-muted: #6b7280;
    --color-text-light: #9ca3af;
    --color-primary: #3b82f6;
    --color-primary-hover: #2563eb;
    --color-border: #e5e7eb;
    --color-border-light: #f3f4f6;
    --color-success: #22c55e;
    --color-shadow: rgba(0, 0, 0, 0.05);
    --color-shadow-lg: rgba(0, 0, 0, 0.1);
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    --transition: 150ms ease;
}

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

html, body {
    height: 100%;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

#app {
    min-height: 100%;
}

[x-cloak] {
    display: none !important;
}

/* ==========================================
   Landing Page
   ========================================== */

.landing-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    gap: 24px;
    position: relative;
}

/* Home page user menu */
.home-user-menu {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Logo */
.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.logo-icon {
    width: 48px;
    height: 48px;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo-banana {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-text);
}

.logo-slides {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-text);
}

.logo-text-single {
    font-size: 42px;
    font-weight: 700;
    color: var(--color-text);
}

/* Tagline */
.tagline {
    font-size: 18px;
    color: var(--color-text-muted);
    text-align: center;
    max-width: 600px;
}

.tagline strong {
    color: var(--color-text);
    font-weight: 600;
}

.banana-emoji {
    display: inline-block;
}

/* Input Card */
.input-card {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 20px;
    width: 100%;
    max-width: 600px;
    box-shadow: 0 4px 20px var(--color-shadow);
}

.topic-input {
    width: 100%;
    border: none;
    outline: none;
    font-size: 16px;
    font-family: var(--font-sans);
    color: var(--color-text);
    resize: none;
    min-height: 60px;
    background: transparent;
}

.topic-input::placeholder {
    color: var(--color-text-light);
}

.input-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--color-border-light);
}

/* Slide Count Selector */
.slide-count-selector {
    position: relative;
}

.slide-count-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 14px;
    font-family: var(--font-sans);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition);
}

.slide-count-btn:hover {
    background: var(--color-border-light);
    color: var(--color-text);
}

.stack-icon, .chevron-icon {
    flex-shrink: 0;
}

.slide-price,
.slide-credits {
    font-size: 12px;
    color: var(--color-text-light);
    margin-left: 2px;
}

.slide-options {
    position: absolute;
    bottom: 100%;
    left: 0;
    margin-bottom: 8px;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 20px var(--color-shadow-lg);
    overflow: hidden;
    z-index: 10;
}

.slide-option {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 10px 16px;
    background: none;
    border: none;
    font-size: 14px;
    font-family: var(--font-sans);
    color: var(--color-text-muted);
    cursor: pointer;
    text-align: left;
    transition: all var(--transition);
    gap: 12px;
}

.option-cost,
.option-credits {
    font-size: 11px;
    color: var(--color-text-light);
    font-weight: 500;
}

.slide-option:hover {
    background: var(--color-bg);
    color: var(--color-text);
}

.slide-option:hover .option-cost,
.slide-option:hover .option-credits {
    color: var(--color-text-muted);
}

.slide-option.active {
    background: var(--color-primary);
    color: white;
}

.slide-option.active .option-cost,
.slide-option.active .option-credits {
    color: rgba(255, 255, 255, 0.8);
}

/* Generate Button */
.generate-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-text);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    cursor: pointer;
    transition: all var(--transition);
}

.generate-btn:hover:not(:disabled) {
    background: var(--color-primary);
    transform: translateX(2px);
}

.generate-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Spinner */
.spinner {
    animation: spin 1s linear infinite;
}

.spinner-circle {
    stroke-dasharray: 60;
    stroke-dashoffset: 45;
    stroke-linecap: round;
}

@keyframes spin {
    100% { transform: rotate(360deg); }
}

/* Suggestions */
.suggestions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    max-width: 700px;
}

.suggestion-pill {
    padding: 10px 16px;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 13px;
    font-family: var(--font-sans);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition);
}

.suggestion-pill:hover {
    background: var(--color-bg);
    border-color: var(--color-text-light);
    color: var(--color-text);
}

/* ==========================================
   Editor Page
   ========================================== */

.editor-page {
    display: flex;
    flex-direction: column;
    height: 100vh;
    background: var(--color-bg);
}

/* Editor Header */
.editor-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
    gap: 20px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
    min-width: 0;
}

.back-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: none;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition);
    flex-shrink: 0;
}

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

.presentation-info {
    min-width: 0;
}

.presentation-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.edit-status {
    font-size: 11px;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.header-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 13px;
    font-family: var(--font-sans);
    font-weight: 500;
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--transition);
}

.header-btn:hover {
    background: var(--color-border-light);
}

.header-btn.primary {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.header-btn.primary:hover {
    background: var(--color-primary-hover);
}

.header-btn.share-btn {
    background: var(--color-text);
    border-color: var(--color-text);
    color: white;
}

.header-btn.share-btn:hover {
    opacity: 0.9;
}

/* Share Modal */
.share-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}

.share-modal-content {
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    padding: 24px;
    width: 100%;
    max-width: 480px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalFade 0.2s ease-out;
}

@keyframes modalFade {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.share-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.share-modal-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text);
}

.share-modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: none;
    font-size: 24px;
    color: var(--color-text-muted);
    cursor: pointer;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.share-modal-close:hover {
    background: var(--color-bg);
    color: var(--color-text);
}

.share-modal-desc {
    font-size: 14px;
    color: var(--color-text-muted);
    margin-bottom: 16px;
}

.share-url-box {
    display: flex;
    gap: 8px;
}

.share-url-input {
    flex: 1;
    padding: 12px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-bg);
}

.share-url-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.copy-btn {
    padding: 12px 20px;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition);
    min-width: 90px;
}

.copy-btn:hover {
    background: var(--color-primary-hover);
}

.user-avatar {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ffe4a0;
    border-radius: var(--radius-full);
    font-size: 18px;
}

/* Editor Main */
.editor-main {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* Slides Sidebar */
.slides-sidebar {
    width: 200px;
    background: var(--color-bg-alt);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.sidebar-header {
    display: flex;
    gap: 4px;
    padding: 12px;
    border-bottom: 1px solid var(--color-border);
}

.sidebar-tab {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--color-text-light);
    cursor: pointer;
    transition: all var(--transition);
}

.sidebar-tab:hover {
    background: var(--color-bg);
    color: var(--color-text-muted);
}

.sidebar-tab.active {
    background: var(--color-bg);
    color: var(--color-text);
}

.sidebar-label {
    padding: 12px 16px 8px;
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.slides-list {
    flex: 1;
    overflow-y: auto;
    padding: 0 12px 12px;
}

/* Slide Thumbnail */
.slide-thumbnail {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 8px 0;
    cursor: pointer;
}

.slide-number {
    font-size: 12px;
    color: var(--color-text-light);
    width: 16px;
    text-align: right;
    padding-top: 4px;
    flex-shrink: 0;
}

.thumbnail-preview {
    flex: 1;
    aspect-ratio: 16 / 9;
    background: var(--color-bg);
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: all var(--transition);
}

.slide-thumbnail.active .thumbnail-preview {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.slide-thumbnail:hover:not(.active) .thumbnail-preview {
    border-color: var(--color-border);
}

.thumbnail-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumbnail-loading,
.thumbnail-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.thumbnail-placeholder {
    background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 100%);
    color: var(--color-primary);
    font-size: 14px;
    font-weight: 600;
}

/* Loading Spinner */
.loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.loading-spinner.large {
    width: 40px;
    height: 40px;
    border-width: 3px;
}

/* Main Slide View */
.slide-view {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 24px;
    overflow: hidden;
    position: relative;
}

/* Status Pill */
.status-pill {
    position: absolute;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 13px;
    color: var(--color-text);
    box-shadow: 0 2px 8px var(--color-shadow);
    z-index: 10;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
    animation: statusPulse 1.5s ease-in-out infinite;
}

@keyframes statusPulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.4;
    }
}

.slide-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
    width: 100%;
}

/* Version Tabs */
.version-tabs {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

.version-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-right: 8px;
}

.version-tab {
    padding: 6px 12px;
    background: none;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-family: var(--font-sans);
    font-weight: 500;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition);
}

.version-tab:hover {
    background: var(--color-bg-alt);
    color: var(--color-text);
}

.version-tab.active {
    background: var(--color-bg-alt);
    color: var(--color-text);
    box-shadow: 0 1px 3px var(--color-shadow);
}

.version-actions {
    display: flex;
    gap: 4px;
    margin-left: auto;
}

.version-action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--color-text-light);
    cursor: pointer;
    transition: all var(--transition);
}

.version-action-btn:hover {
    background: var(--color-bg-alt);
    color: var(--color-text-muted);
}

/* Slide Display */
.slide-display {
    width: 100%;
    aspect-ratio: 16 / 9;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 20px var(--color-shadow);
}

.slide-wrapper {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.slide-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.slide-generating {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-alt);
}

.generating-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.generating-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #e0e7ff;
    border-radius: 16px;
    color: var(--color-primary);
}

.generating-progress {
    width: 200px;
}

.progress-bar {
    height: 6px;
    background: var(--color-border);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 30%;
    background: var(--color-primary);
    border-radius: 3px;
    animation: progressPulse 1.5s ease-in-out infinite;
}

@keyframes progressPulse {
    0%, 100% {
        width: 30%;
        transform: translateX(0);
    }
    50% {
        width: 60%;
        transform: translateX(50%);
    }
}

.generating-text {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--color-primary);
    text-transform: uppercase;
}

.no-slide {
    color: var(--color-text-light);
    font-size: 14px;
}

/* Chat Sidebar */
.chat-sidebar {
    width: 320px;
    background: var(--color-bg-alt);
    border-left: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.chat-tabs {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border);
    gap: 4px;
}

.chat-tab {
    padding: 8px 16px;
    background: none;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: var(--font-sans);
    font-weight: 500;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition);
}

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

.chat-tab.active {
    background: var(--color-bg);
    color: var(--color-text);
}

.chat-collapse-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--color-text-light);
    cursor: pointer;
    margin-left: auto;
    transition: all var(--transition);
}

.chat-collapse-btn:hover {
    background: var(--color-bg);
    color: var(--color-text-muted);
}

/* Chat Messages */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.chat-message.user .user-message {
    background: #e0e7ff;
    color: var(--color-text);
    padding: 12px 16px;
    border-radius: var(--radius-lg);
    border-bottom-right-radius: var(--radius-sm);
    font-size: 14px;
    margin-left: 40px;
}

.assistant-message {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

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

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

.assistant-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
}

.assistant-content {
    font-size: 14px;
    color: var(--color-text);
    line-height: 1.6;
}

.status-message {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 13px;
    color: var(--color-text-muted);
}

.status-icon {
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.status-icon svg {
    width: 14px;
    height: 14px;
}

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

/* Chat Input */
.chat-input-area {
    padding: 16px;
    border-top: 1px solid var(--color-border);
}

.slide-context {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 8px;
    padding: 6px 10px;
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    font-size: 12px;
    color: var(--color-text-muted);
    width: fit-content;
}

.chat-input-wrapper {
    position: relative;
}

.chat-input {
    width: 100%;
    padding: 12px 16px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    font-size: 14px;
    font-family: var(--font-sans);
    color: var(--color-text);
    outline: none;
    transition: all var(--transition);
}

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

.chat-input::placeholder {
    color: var(--color-text-light);
}

/* ==========================================
   Presentation Mode
   ========================================== */

.presentation-mode {
    position: fixed;
    inset: 0;
    background: #000;
    display: flex;
    flex-direction: column;
    z-index: 1000;
}

.presentation-slide {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.presentation-slide img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.presentation-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    padding: 20px;
    background: rgba(0, 0, 0, 0.8);
}

.presentation-controls button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: var(--radius-full);
    color: white;
    cursor: pointer;
    transition: all var(--transition);
}

.presentation-controls button:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.2);
}

.presentation-controls button:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.presentation-controls .exit-btn {
    background: rgba(239, 68, 68, 0.2);
}

.presentation-controls .exit-btn:hover {
    background: rgba(239, 68, 68, 0.4);
}

.slide-counter {
    color: white;
    font-size: 16px;
    font-weight: 500;
    min-width: 80px;
    text-align: center;
}

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

@media (max-width: 1024px) {
    .chat-sidebar {
        width: 280px;
    }

    .slides-sidebar {
        width: 160px;
    }
}

@media (max-width: 768px) {
    .landing-page {
        padding: 30px 16px;
    }

    .logo-banana,
    .logo-slides {
        font-size: 24px;
    }

    .logo-text-single {
        font-size: 32px;
    }

    .tagline {
        font-size: 16px;
    }

    .input-card {
        padding: 16px;
        border-radius: var(--radius-lg);
    }

    .suggestions {
        flex-direction: column;
        align-items: center;
    }

    .suggestion-pill {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }

    .editor-main {
        flex-direction: column;
    }

    .slides-sidebar {
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
    }

    .slides-list {
        display: flex;
        overflow-x: auto;
        padding: 12px;
        gap: 12px;
    }

    .slide-thumbnail {
        flex-direction: column;
        align-items: center;
    }

    .thumbnail-preview {
        width: 120px;
    }

    .chat-sidebar {
        width: 100%;
        height: 300px;
        border-left: none;
        border-top: 1px solid var(--color-border);
    }

    .header-actions {
        gap: 4px;
    }

    .header-btn span {
        display: none;
    }
}

/* ==========================================
   Scrollbar Styling
   ========================================== */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-light);
}

/* ==========================================
   Add/Delete Slide Controls
   ========================================== */

/* Add Slide Section */
.add-slide-section {
    padding: 12px;
    border-top: 1px solid var(--color-border);
    position: relative;
}

.add-slide-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 100%;
    padding: 10px;
    background: var(--color-bg);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-muted);
    font-size: 13px;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: all var(--transition);
}

.add-slide-btn:hover {
    background: var(--color-border-light);
    border-color: var(--color-text-light);
    color: var(--color-text);
}

.add-options {
    position: absolute;
    bottom: 100%;
    left: 12px;
    right: 12px;
    margin-bottom: 4px;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 12px var(--color-shadow-lg);
    overflow: hidden;
    z-index: 10;
}

.add-options button {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 10px 12px;
    background: none;
    border: none;
    font-size: 13px;
    font-family: var(--font-sans);
    color: var(--color-text);
    cursor: pointer;
    text-align: left;
}

.add-options button:hover {
    background: var(--color-bg);
}

.add-options button:first-child {
    border-bottom: 1px solid var(--color-border);
}

/* Delete Slide Button */
.slide-thumbnail {
    position: relative;
}

.delete-slide-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(239, 68, 68, 0.9);
    border: none;
    border-radius: 4px;
    color: white;
    font-size: 16px;
    font-weight: bold;
    line-height: 1;
    cursor: pointer;
    opacity: 0;
    transition: opacity var(--transition);
    z-index: 5;
}

.slide-thumbnail:hover .delete-slide-btn {
    opacity: 1;
}

.delete-slide-btn:hover {
    background: rgba(220, 38, 38, 1);
}

/* ==========================================
   Login Wall Styles
   ========================================== */

.login-wall {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    padding: 24px;
}

.login-card {
    background: var(--color-bg-alt);
    border-radius: var(--radius-xl);
    padding: 48px;
    text-align: center;
    max-width: 400px;
    width: 100%;
    box-shadow: 0 4px 24px var(--color-shadow-lg);
}

.login-card .logo-container {
    margin-bottom: 24px;
}

.login-tagline {
    color: var(--color-text-muted);
    margin-bottom: 32px;
    font-size: 16px;
}

.google-login-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 14px 28px;
    background: #ffffff;
    color: #1a1a2e;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-weight: 500;
    font-size: 15px;
    text-decoration: none;
    transition: all var(--transition);
    cursor: pointer;
    width: 100%;
    max-width: 280px;
}

.google-login-btn:hover {
    background: #f8f9fa;
    border-color: #d1d5db;
    box-shadow: 0 2px 8px var(--color-shadow);
}

.google-icon {
    flex-shrink: 0;
}

.login-terms {
    margin-top: 24px;
    font-size: 13px;
    color: var(--color-text-light);
}

/* Auth Loading */
.auth-loading {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
}

.auth-loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ==========================================
   User Menu Styles
   ========================================== */

.user-menu {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-credits {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-muted);
    padding: 6px 12px;
    background: var(--color-bg);
    border-radius: var(--radius-full);
}

.user-avatar-btn {
    width: 40px;
    height: 40px;
    padding: 0;
    border: 2px solid var(--color-border);
    background: none;
    cursor: pointer;
    border-radius: 50%;
    overflow: hidden;
    transition: border-color var(--transition), transform var(--transition);
}

.user-avatar-btn:hover {
    border-color: var(--color-primary);
    transform: scale(1.05);
}

.user-avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 240px;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
    z-index: 100;
    overflow: hidden;
    animation: dropdownFade 0.15s ease-out;
}

@keyframes dropdownFade {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.user-dropdown-header {
    padding: 16px 18px;
    background: linear-gradient(to bottom, var(--color-bg), transparent);
    border-bottom: 1px solid var(--color-border-light);
}

.user-name {
    display: block;
    font-weight: 600;
    font-size: 15px;
    color: var(--color-text);
    margin-bottom: 2px;
}

.user-email {
    display: block;
    font-size: 13px;
    color: var(--color-text-muted);
}

.user-dropdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 12px 18px;
    color: var(--color-text);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    background: none;
    border: none;
    cursor: pointer;
    transition: background var(--transition);
    text-align: left;
}

.user-dropdown-item svg {
    opacity: 0.6;
}

.user-dropdown-item:hover {
    background: var(--color-bg);
}

.user-dropdown-item:hover svg {
    opacity: 1;
}

.user-dropdown-item.logout {
    color: #dc2626;
    margin-top: 4px;
    border-top: 1px solid var(--color-border-light);
}

.user-dropdown-item.logout svg {
    opacity: 0.7;
}

.user-dropdown-item.logout:hover {
    background: #fef2f2;
}

.user-dropdown-item.logout:hover svg {
    opacity: 1;
}

/* ==========================================
   Settings Page Styles
   ========================================== */

.settings-page,
.admin-page {
    max-width: 800px;
    margin: 0 auto;
    padding: 24px;
    min-height: 100vh;
    background: var(--color-bg);
}

.settings-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
}

.settings-header h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text);
    margin: 0;
}

.back-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 14px;
    transition: color var(--transition);
}

.back-link:hover {
    color: var(--color-text);
}

.settings-section {
    margin-bottom: 32px;
}

.section-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

/* Alert Messages */
.alert {
    padding: 16px;
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    font-size: 14px;
}

.alert-success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.alert-warning {
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #fde68a;
}

/* Account Card */
.account-card {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--color-bg-alt);
    padding: 24px;
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 8px var(--color-shadow);
}

.account-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.account-info {
    flex: 1;
}

.account-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 4px;
}

.account-email {
    font-size: 14px;
    color: var(--color-text-muted);
    margin-bottom: 8px;
}

.account-id,
.account-since {
    font-size: 12px;
    color: var(--color-text-light);
}

.logout-btn {
    padding: 10px 20px;
    background: transparent;
    color: #dc2626;
    border: 1px solid #dc2626;
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition);
}

.logout-btn:hover {
    background: #dc2626;
    color: white;
}

/* Credits Balance Card */
.credits-balance-card {
    background: linear-gradient(135deg, var(--color-primary), #8b5cf6);
    padding: 32px;
    border-radius: var(--radius-lg);
    text-align: center;
    color: white;
}

.credits-number {
    font-size: 48px;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 8px;
}

.credits-label {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 8px;
}

.credits-note {
    font-size: 12px;
    opacity: 0.7;
}

/* Packages Grid */
.packages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
}

.package-card {
    background: var(--color-bg-alt);
    padding: 24px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: 0 2px 8px var(--color-shadow);
    border: 2px solid transparent;
    transition: all var(--transition);
    position: relative;
    overflow: visible;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.package-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.package-card.best-value {
    border-color: var(--color-primary);
    background: linear-gradient(to bottom, rgba(59, 130, 246, 0.05), var(--color-bg-alt));
}

.package-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: white;
    font-size: 11px;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.package-tag-row {
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
}

.package-discount {
    display: inline-block;
    background: #dcfce7;
    color: #16a34a;
    font-size: 11px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: var(--radius-full);
}

.package-discount-hidden {
    visibility: hidden;
}

.package-credits {
    font-size: 48px;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1;
}

.package-label {
    font-size: 14px;
    color: var(--color-text-muted);
    margin-bottom: 16px;
    text-transform: lowercase;
}

.package-price {
    font-size: 24px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 20px;
}

.package-buy-btn {
    width: 100%;
    padding: 12px;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition);
}

.package-buy-btn:hover:not(:disabled) {
    background: var(--color-primary-hover);
}

.package-buy-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Purchases Table */
.purchases-table {
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 2px 8px var(--color-shadow);
}

.purchases-header,
.purchases-row {
    display: grid;
    grid-template-columns: 1fr 1fr 0.7fr 0.7fr 0.8fr;
    padding: 12px 16px;
    font-size: 14px;
}

.purchases-header {
    background: var(--color-bg);
    font-weight: 600;
    color: var(--color-text-muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.purchases-row {
    border-top: 1px solid var(--color-border);
    color: var(--color-text);
}

.status-badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
    text-transform: capitalize;
}

.status-badge.completed {
    background: #dcfce7;
    color: #166534;
}

.status-badge.pending {
    background: #fef3c7;
    color: #92400e;
}

.status-badge.expired,
.status-badge.failed {
    background: #fef2f2;
    color: #991b1b;
}

/* Admin Link */
.admin-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--color-bg-alt);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition);
}

.admin-link-btn:hover {
    background: var(--color-bg);
    border-color: var(--color-text-muted);
}

/* ==========================================
   Admin Page Styles
   ========================================== */

.admin-form {
    background: var(--color-bg-alt);
    padding: 24px;
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 8px var(--color-shadow);
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-muted);
    margin-bottom: 6px;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    font-size: 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg);
    color: var(--color-text);
    transition: border-color var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.admin-submit-btn {
    padding: 12px 24px;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition);
}

.admin-submit-btn:hover:not(:disabled) {
    background: var(--color-primary-hover);
}

.admin-submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.admin-message {
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 14px;
}

.admin-message.success {
    background: #dcfce7;
    color: #166534;
}

.admin-message.error {
    background: #fef2f2;
    color: #991b1b;
}

/* Admin Table */
.admin-table {
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 2px 8px var(--color-shadow);
}

.admin-table-header,
.admin-table-row {
    display: grid;
    grid-template-columns: 60px 2fr 1.5fr 80px 60px 1fr;
    padding: 12px 16px;
    font-size: 14px;
    gap: 8px;
}

.admin-table-header {
    background: var(--color-bg);
    font-weight: 600;
    color: var(--color-text-muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.admin-table-row {
    border-top: 1px solid var(--color-border);
    color: var(--color-text);
}

.admin-table-row:hover {
    background: var(--color-bg);
}

.credits-cell {
    font-weight: 600;
    color: var(--color-primary);
}