/* ===== CSS Variables (Design Tokens) ===== */
:root {
    /* Colors */
    --color-primary: #0071e3;
    --color-primary-hover: #0077ed;
    --color-primary-light: rgba(0, 113, 227, 0.1);
    --color-secondary: #ff9500;
    --color-secondary-hover: #e68600;
    --color-secondary-light: rgba(255, 149, 0, 0.1);
    --color-success: #28a745;
    --color-warning: #ffc107;
    --color-danger: #dc3545;

    /* Neutrals */
    --color-text: #1d1d1f;
    --color-text-secondary: #86868b;
    --color-bg: #f5f5f7;
    --color-bg-card: #ffffff;
    --color-border: #d2d2d7;
    --color-border-light: #e5e5e5;

    /* Spacing (4px base) */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
}

/* ===== Reset ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ===== Base ===== */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-lg);
}

/* ===== Header ===== */
header {
    text-align: center;
    margin-bottom: var(--space-xl);
    padding: var(--space-lg) 0;
}

header h1 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    color: var(--color-text-secondary);
    font-size: 15px;
    letter-spacing: -0.01em;
}

/* ===== Upload Zone ===== */
.upload-zone {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 320px;
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-bg-card);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.upload-zone::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-secondary-light));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.upload-zone:hover::before,
.upload-zone.dragover::before {
    opacity: 1;
}

.upload-zone:focus-within {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

.upload-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.upload-icon {
    width: 56px;
    height: 56px;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
    transition: transform var(--transition-normal);
}

.upload-zone:hover .upload-icon {
    transform: translateY(-4px);
}

.upload-content p {
    font-size: 17px;
    font-weight: 500;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.upload-hint {
    font-size: 13px;
    color: var(--color-text-secondary);
}

/* ===== Loading ===== */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 320px;
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.spinner {
    width: 44px;
    height: 44px;
    border: 3px solid var(--color-border-light);
    border-top-color: var(--color-primary);
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
    margin-bottom: var(--space-md);
}

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

#loadingText {
    font-size: 15px;
    color: var(--color-text-secondary);
}

/* Progress Bar */
.progress-container {
    width: 320px;
    margin-top: var(--space-lg);
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--color-border-light);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-full);
    transition: width var(--transition-normal);
    width: 0%;
}

.progress-text {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-top: var(--space-sm);
    text-align: center;
}

/* ===== Editor Container ===== */
.editor-container {
    display: flex;
    gap: var(--space-lg);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    min-height: 500px;
    box-shadow: var(--shadow-sm);
}

.editor-main {
    flex: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    overflow: auto;
    max-height: 80vh;
}

/* ===== Pages Container ===== */
.pages-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    width: 100%;
    padding: var(--space-sm);
}

/* ===== Page Wrapper ===== */
.page-wrapper {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    border: 1px solid var(--color-border-light);
    transition: box-shadow var(--transition-fast);
}

.page-wrapper:hover {
    box-shadow: var(--shadow-sm);
}

/* Page Delete Button */
.page-delete-btn {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    width: 32px;
    height: 32px;
    border: none;
    border-radius: var(--radius-full);
    background: rgba(0, 0, 0, 0.6);
    color: white;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    z-index: 20;
    backdrop-filter: blur(4px);
}

.page-delete-btn:hover {
    background: var(--color-danger);
    transform: scale(1.1);
}

.page-delete-btn:focus {
    outline: 2px solid white;
    outline-offset: 2px;
}

/* Page Header */
.page-header {
    width: 100%;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--color-border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.page-number {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.page-number::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
}

/* ===== Image Wrapper ===== */
.image-wrapper {
    position: relative;
    display: inline-block;
    max-width: 100%;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.page-image,
.page-image-edited {
    max-width: 100%;
    max-height: 60vh;
    display: block;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

/* ===== Text Overlay ===== */
.text-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.text-box {
    position: absolute;
    border: 2px solid rgba(0, 113, 227, 0.6);
    background: rgba(0, 113, 227, 0.08);
    cursor: pointer;
    pointer-events: auto;
    transition: all var(--transition-fast);
    border-radius: var(--radius-sm);
}

.text-box:hover,
.text-box.highlight {
    border-color: var(--color-secondary);
    background: rgba(255, 149, 0, 0.15);
    z-index: 10;
    transform: scale(1.01);
}

.text-box.selected {
    border-color: var(--color-primary);
    background: rgba(0, 113, 227, 0.15);
    border-width: 3px;
    z-index: 11;
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.text-box.modified {
    border-color: var(--color-secondary);
    background: rgba(255, 149, 0, 0.12);
}

.text-box.modified::after {
    content: '';
    position: absolute;
    top: -4px;
    right: -4px;
    width: 10px;
    height: 10px;
    background: var(--color-secondary);
    border-radius: var(--radius-full);
    border: 2px solid white;
}

/* ===== Edit Panel ===== */
.edit-panel {
    flex: 1;
    min-width: 340px;
    max-width: 420px;
    display: flex;
    flex-direction: column;
    border-left: 1px solid var(--color-border-light);
    padding-left: var(--space-lg);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-md);
    border-bottom: 2px solid var(--color-border-light);
}

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

.region-count {
    font-size: 12px;
    color: var(--color-text-secondary);
    background: var(--color-bg);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
}

/* ===== Selected Edit Panel ===== */
.selected-edit {
    background: linear-gradient(135deg, #fff8f0, #fff5eb);
    border: 2px solid var(--color-secondary);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-bottom: var(--space-md);
    box-shadow: var(--shadow-sm);
}

.selected-edit-header {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    margin-bottom: var(--space-md);
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.selected-id {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-secondary);
}

.selected-page {
    font-size: 11px;
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-full);
    font-weight: 500;
}

.selected-confidence {
    font-size: 11px;
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-border-light);
    color: var(--color-text-secondary);
    border-radius: var(--radius-full);
    font-weight: 500;
}

.selected-input {
    width: 100%;
    padding: var(--space-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 14px;
    resize: vertical;
    font-family: inherit;
    line-height: 1.6;
    transition: all var(--transition-fast);
}

.selected-input:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 4px var(--color-secondary-light);
}

/* ===== Font Options ===== */
.font-options {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-md);
    flex-wrap: wrap;
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.7);
    border-radius: var(--radius-md);
}

.font-option {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.font-option label {
    font-size: 12px;
    color: var(--color-text-secondary);
    white-space: nowrap;
    font-weight: 500;
}

.font-option input[type="number"] {
    width: 65px;
    padding: var(--space-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    transition: all var(--transition-fast);
}

.font-option input[type="number"]:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px var(--color-secondary-light);
}

.font-option input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--color-secondary);
    border-radius: var(--radius-sm);
}

.font-option input[type="color"] {
    width: 36px;
    height: 28px;
    padding: 2px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.font-option input[type="color"]:hover {
    border-color: var(--color-secondary);
}

.font-option input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 2px;
}

.font-option input[type="color"]::-webkit-color-swatch {
    border: none;
    border-radius: 2px;
}

.selected-actions {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

/* ===== Edit Hint ===== */
.edit-hint {
    text-align: center;
    padding: var(--space-2xl) var(--space-md);
    color: var(--color-text-secondary);
    font-size: 14px;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    border: 2px dashed var(--color-border-light);
}

.edit-hint p {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.edit-hint p::before {
    content: '👆';
    font-size: 20px;
}

/* ===== Watermark Option ===== */
.watermark-option {
    padding: var(--space-md);
    margin-top: var(--space-md);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
}

.watermark-option .checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    font-size: 14px;
    color: var(--color-text);
    user-select: none;
}

.watermark-option .checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--color-primary);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.watermark-option .checkbox-label span {
    line-height: 1.4;
}

.panel-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-top: auto;
    padding-top: var(--space-md);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255,255,255,0.1), rgba(255,255,255,0));
    pointer-events: none;
}

.btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.btn-primary {
    background: linear-gradient(180deg, #0077ed, var(--color-primary));
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(180deg, #008aff, var(--color-primary-hover));
}

.btn-primary:disabled {
    background: var(--color-text-secondary);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-secondary {
    background: var(--color-border-light);
    color: var(--color-text);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--color-border);
}

.btn-small {
    padding: var(--space-sm) var(--space-md);
    font-size: 13px;
}

.btn-small.btn-primary {
    flex: 1;
}

/* ===== Preview Toggle ===== */
.preview-toggle {
    display: flex;
    justify-content: center;
    gap: var(--space-xs);
    margin-top: var(--space-md);
    padding: var(--space-xs);
    background: var(--color-bg);
    border-radius: var(--radius-md);
}

.toggle-btn {
    padding: var(--space-sm) var(--space-md);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    background: transparent;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.toggle-btn:hover {
    color: var(--color-text);
    background: rgba(0, 0, 0, 0.05);
}

.toggle-btn.active {
    background: var(--color-bg-card);
    color: var(--color-text);
    box-shadow: var(--shadow-sm);
}

.toggle-btn:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ===== Result Container ===== */
.result-container {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.result-container h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    color: var(--color-success);
}

.result-container h3::before {
    content: '✓ ';
}

.result-preview {
    margin-bottom: var(--space-lg);
}

.result-preview img {
    max-width: 100%;
    max-height: 60vh;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
}

.result-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* ===== Text List (Legacy) ===== */
.text-list {
    flex: 1;
    overflow-y: auto;
    margin-bottom: var(--space-md);
}

.text-item {
    padding: var(--space-md);
    margin-bottom: var(--space-sm);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.text-item:hover {
    background: #eef6ff;
    border-color: var(--color-primary-light);
}

.text-item.modified {
    border-color: var(--color-secondary);
    background: #fff8f0;
}

.text-item.selected {
    border-color: var(--color-primary);
    background: #eef6ff;
}

.text-preview {
    font-size: 14px;
    color: var(--color-text);
    line-height: 1.5;
    word-break: break-all;
}

.text-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.text-id {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.confidence {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-weight: 600;
}

.confidence.high {
    background: #d4edda;
    color: #155724;
}

.confidence.medium {
    background: #fff3cd;
    color: #856404;
}

.confidence.low {
    background: #f8d7da;
    color: #721c24;
}

.text-input {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    transition: all var(--transition-fast);
}

.text-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* ===== Responsive Design ===== */
@media (max-width: 992px) {
    .editor-container {
        flex-direction: column;
    }

    .edit-panel {
        max-width: 100%;
        min-width: auto;
        border-left: none;
        border-top: 1px solid var(--color-border-light);
        padding-left: 0;
        padding-top: var(--space-lg);
    }

    .text-list {
        max-height: 300px;
    }
}

@media (max-width: 768px) {
    :root {
        --space-lg: 16px;
        --space-xl: 24px;
    }

    header h1 {
        font-size: 26px;
    }

    .upload-zone {
        min-height: 260px;
    }

    .font-options {
        gap: var(--space-sm);
    }
}

@media (max-width: 576px) {
    .container {
        padding: var(--space-md);
    }

    header h1 {
        font-size: 22px;
    }

    .subtitle {
        font-size: 13px;
    }

    .result-actions {
        flex-direction: column;
    }

    .result-actions .btn {
        width: 100%;
    }

    .selected-actions {
        flex-direction: column;
    }

    .btn-small.btn-primary {
        order: -1;
    }
}

/* ===== Analyze Prompt (Lazy OCR) ===== */
.analyze-prompt {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(255, 255, 255, 0.95);
    padding: var(--space-lg) var(--space-xl);
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-md);
    z-index: 10;
    pointer-events: auto;
}

.analyze-prompt p {
    margin: 0 0 var(--space-md) 0;
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.analyze-btn {
    background: var(--color-primary);
    color: white;
    padding: var(--space-sm) var(--space-lg);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.9rem;
    transition: background var(--transition-fast);
}

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

.analyzing-state {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(255, 255, 255, 0.95);
    padding: var(--space-lg) var(--space-xl);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    text-align: center;
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    pointer-events: auto;
}

.analyzing-spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--color-border-light);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.analyzing-state p {
    margin: 0;
    font-weight: 500;
}

/* ===== Accessibility ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus visible for keyboard users */
.btn:focus-visible,
.toggle-btn:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ===== Authentication ===== */
.auth-container {
    margin-bottom: var(--space-lg);
}

.auth-prompt {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-xl);
    background: linear-gradient(135deg, #fff8f0, #f0f7ff);
    border-radius: var(--radius-lg);
    border: 2px dashed var(--color-border);
}

.auth-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: var(--space-lg);
    text-align: center;
}

.lock-icon {
    width: 48px;
    height: 48px;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.auth-message p {
    color: var(--color-text-secondary);
    font-size: 15px;
}

.btn-google {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    background: white;
    color: var(--color-text);
    border: 2px solid var(--color-border);
    padding: 12px 24px;
    font-weight: 500;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    font-size: 14px;
}

.btn-google:hover {
    background: var(--color-bg);
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.user-info {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-sm);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 2px solid var(--color-border-light);
}

.user-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
    flex: 1;
}

/* Upload zone disabled state */
.upload-zone.disabled {
    pointer-events: none;
    opacity: 0.5;
    cursor: not-allowed;
}

.upload-zone.disabled::before {
    opacity: 0;
}

/* Responsive auth styles */
@media (max-width: 576px) {
    .auth-prompt {
        padding: var(--space-lg);
    }

    .user-info {
        flex-wrap: wrap;
        justify-content: center;
        text-align: center;
    }

    .user-name {
        width: 100%;
        text-align: center;
        margin-bottom: var(--space-sm);
    }
}