/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #4f46e5;
    --primary-hover: #4338ca;
    --secondary-color: #64748b;
    --background: #f8fafc;
    --card-background: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --primary-color: #818cf8;
    --primary-hover: #6366f1;
    --secondary-color: #64748b;
    --background: #0f172a;
    --card-background: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --border-color: #334155;
    --success-color: #34d399;
    --error-color: #f87171;
    --warning-color: #fbbf24;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Sticky Top Bar for Buttons (Invisible) */
.top-bar {
    position: sticky;
    top: 0;
    width: 100%;
    padding: 1rem;
    z-index: 100;
    pointer-events: none;
}

.top-bar > * {
    pointer-events: auto;
}

/*
   REMOVED: Global transitions (caused jank on weak GPUs)
   Transitions are now added selectively to interactive elements only
*/

/* Container */
.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* Tab Navigation */
.tab-container {
    display: flex;
    gap: 0;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
}

.tab {
    flex: 1;
    padding: 1rem 2rem;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.tab:hover {
    color: var(--text-primary);
    background-color: rgba(0, 0, 0, 0.02);
}

[data-theme="dark"] .tab:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    margin-bottom: -2px; /* Cover container border */
}

/* Tab Content */
.tab-content {
    display: none;
}

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

.tab-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 3rem;
}

header h1 {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.logo-inline {
    width: 3.3rem;
    height: 3.3rem;
    object-fit: contain;
}

.tagline {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Card */
.card {
    background: var(--card-background);
    border-radius: 0.75rem;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.card h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

/* Form Elements */
.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

textarea,
input[type="text"] {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s;
}

textarea:focus,
input[type="text"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

.char-count {
    display: block;
    text-align: right;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

/* Dropzone */
.dropzone {
    border: 2px dashed var(--border-color);
    border-radius: 0.75rem;
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    background-color: var(--background);
    position: relative;
}

.dropzone:hover {
    border-color: var(--primary-color);
    background-color: rgba(79, 70, 229, 0.05);
}

[data-theme="dark"] .dropzone:hover {
    background-color: rgba(129, 140, 248, 0.1);
}

.dropzone .file-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 1rem;
    pointer-events: none; /* Allow click-through to dropzone */
}

.dropzone p {
    margin: 0.5rem 0;
    color: var(--text-primary);
    pointer-events: none; /* Allow click-through to dropzone */
}

.dropzone .or-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.dropzone .supported-formats {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 1rem;
}

/* Confirmation Screen */
.confirmation-screen {
    margin-top: 2rem;
    padding: 2rem;
    background-color: var(--background);
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
}

.analysis-result h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.summary-text {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    padding: 1rem;
    background-color: var(--card-background);
    border-left: 4px solid var(--primary-color);
    border-radius: 0.5rem;
}

.advanced-options {
    margin: 2rem 0;
    padding: 1.5rem;
    background-color: var(--card-background);
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
}

.advanced-options h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.advanced-options .checkbox-container {
    margin-bottom: 0.75rem;
}

.advanced-options .accessibility-warning {
    margin-top: 0.75rem;
}

/* Processing Screen */
.processing-screen {
    margin-top: 2rem;
    text-align: center;
}

.timer-display {
    padding: 2rem;
    background-color: var(--background);
    border-radius: 0.75rem;
    margin-bottom: 1.5rem;
}

.timer-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.timer-display p {
    margin: 0.5rem 0;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.upgrade-hint {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* Subtle upgrade button (non-intrusive) */
.btn-upgrade-subtle {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--primary-color);
    padding: 0.375rem 0.75rem;
    border-radius: 0.375rem;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
    margin-left: 0.25rem;
}

.btn-upgrade-subtle:hover {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Manual Results */
.manual-results {
    margin-top: 2rem;
}

.manual-results h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

/* Modal Close Button */
.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.25rem;
    transition: all 0.2s ease;
}

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

/* Form Select */
.form-select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    font-family: inherit;
    background-color: var(--card-background);
    color: var(--text-primary);
    transition: border-color 0.2s;
    cursor: pointer;
}

.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

[data-theme="dark"] .form-select {
    background-color: var(--background);
}

/* File Input */
.file-input {
    display: none;
}

.file-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    border: 2px dashed var(--border-color);
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s;
}

.file-label:hover {
    border-color: var(--primary-color);
    background-color: rgba(79, 70, 229, 0.05);
}

.file-icon {
    font-size: 1.5rem;
}

#fileName {
    color: var(--text-secondary);
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
    font-family: inherit;
}

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

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

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

.btn-secondary:hover:not(:disabled) {
    background-color: #475569;
}

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

.button-group {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

/* Results Display */
.reframer-text {
    padding: 1.5rem;
    background-color: var(--background);
    border-left: 4px solid var(--primary-color);
    border-radius: 0.5rem;
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.token-display {
    margin-bottom: 1rem;
}

.token-display code {
    background-color: var(--background);
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-family: 'Courier New', monospace;
    color: var(--primary-color);
}

/* Status Messages */
.status-message {
    margin-top: 1rem;
    padding: 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.95rem;
}

.status-message.success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    border: 1px solid var(--success-color);
}

.status-message.error {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--error-color);
    border: 1px solid var(--error-color);
}

.status-message.info {
    background-color: rgba(79, 70, 229, 0.1);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
}

.modal-content {
    background: var(--card-background);
    border-radius: 0.75rem;
    padding: 2rem;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-content h2 {
    margin-bottom: 1rem;
}

.modal-content h3 {
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

.modal-content ul {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.modal-content li {
    margin-bottom: 0.5rem;
}

.warning {
    background-color: rgba(245, 158, 11, 0.1);
    border-left: 4px solid var(--warning-color);
    padding: 1rem;
    border-radius: 0.5rem;
    margin: 1rem 0;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.disclaimer {
    max-width: 600px;
    margin: 0 auto;
}

.disclaimer a {
    color: var(--primary-color);
    text-decoration: none;
}

.disclaimer a:hover {
    text-decoration: underline;
}

/* Checkbox Container */
.checkbox-container {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    margin-bottom: 0.75rem;
}

.checkbox-container input[type="checkbox"] {
    margin-top: 0.25rem;
    width: 1.125rem;
    height: 1.125rem;
    cursor: pointer;
    flex-shrink: 0;
}

.checkbox-label {
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    user-select: none;
}

/* Accessibility Warning */
.accessibility-warning {
    background-color: #fef3c7;
    border-left: 4px solid var(--warning-color);
    border-radius: 0.5rem;
    padding: 1rem;
    margin-top: 0.5rem;
    font-size: 0.9rem;
    line-height: 1.6;
}

[data-theme="dark"] .accessibility-warning {
    background-color: rgba(251, 191, 36, 0.15);
    border-left-color: var(--warning-color);
}

.accessibility-warning p {
    margin: 0;
    color: var(--text-primary);
}

.accessibility-warning p + p {
    margin-top: 0.75rem;
}

.accessibility-warning strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* How It Works Section */
.how-it-works-section {
    margin-bottom: 2rem;
}

.how-it-works-toggle {
    width: 100%;
    padding: 1rem;
    background-color: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    text-align: left;
    font-size: 1rem;
    font-weight: 500;
    color: var(--primary-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s ease;
    font-family: inherit;
}

.how-it-works-toggle:hover {
    background-color: var(--background);
    border-color: var(--primary-color);
}

#howItWorksIcon {
    transition: transform 0.3s ease;
    display: inline-block;
    font-size: 0.8rem;
}

.how-it-works-toggle.expanded #howItWorksIcon {
    transform: rotate(90deg);
}

.how-it-works-content {
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    background-color: var(--card-background);
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 0.75rem 0.75rem;
}

.how-it-works-content.expanded {
    max-height: 800px;
    padding: 1.5rem;
    border-top: 1px dashed var(--border-color);
}

.how-it-works-content h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.how-it-works-content p {
    margin-bottom: 1rem;
    line-height: 1.6;
    color: var(--text-primary);
}

.how-it-works-content ul {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.how-it-works-content li {
    margin-bottom: 0.5rem;
}

/* Utility Classes */
.hidden {
    display: none !important;
}

/* Loading State */
.btn.loading {
    position: relative;
    color: transparent;
}

.btn.loading::after {
    content: "";
    position: absolute;
    width: 1rem;
    height: 1rem;
    top: 50%;
    left: 50%;
    margin-left: -0.5rem;
    margin-top: -0.5rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* Pulse Animation - REMOVED (too gimmicky) */

/* Payload Details Section */
.payload-details {
    margin-top: 2rem;
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    overflow: hidden;
    background-color: var(--background);
}

.toggle-payload-btn {
    width: 100%;
    padding: 1rem;
    background: none;
    border: none;
    text-align: left;
    font-size: 1rem;
    font-weight: 500;
    color: var(--primary-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: background-color 0.2s;
    font-family: inherit;
}

.toggle-payload-btn:hover {
    background-color: rgba(79, 70, 229, 0.05);
}

[data-theme="dark"] .toggle-payload-btn:hover {
    background-color: rgba(129, 140, 248, 0.1);
}

#togglePayloadIcon {
    transition: transform 0.3s ease;
    display: inline-block;
    font-size: 0.8rem;
}

.toggle-payload-btn.expanded #togglePayloadIcon {
    transform: rotate(90deg);
}

.payload-content {
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.payload-content.expanded {
    max-height: 1000px;
    padding: 1rem;
}

.payload-section {
    margin-bottom: 1.5rem;
}

.payload-section:last-child {
    margin-bottom: 0;
}

.payload-section h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.payload-text {
    background-color: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1rem;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-primary);
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: 0.75rem;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.payload-token {
    display: inline-block;
    background-color: var(--background);
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-family: 'Courier New', monospace;
    color: var(--primary-color);
    border: 1px solid var(--border-color);
}

.payload-location {
    color: var(--text-primary);
    line-height: 1.6;
    margin: 0;
}

.payload-location strong {
    color: var(--primary-color);
}

/* Dragover State */
.dropzone.dragover {
    border-color: var(--primary-color);
    background-color: rgba(79, 70, 229, 0.1);
    transform: scale(1.02);
}

[data-theme="dark"] .dropzone.dragover {
    background-color: rgba(129, 140, 248, 0.15);
}

/* File Selected State */
.dropzone.file-selected {
    border-color: var(--success-color);
    background-color: rgba(16, 185, 129, 0.05);
    border-style: solid;
}

[data-theme="dark"] .dropzone.file-selected {
    background-color: rgba(52, 211, 153, 0.1);
}

.dropzone.file-selected .file-icon {
    color: var(--success-color);
}

.dropzone .filename-display {
    font-weight: 600;
    color: var(--success-color);
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* Language Switcher */
.language-switcher {
    position: absolute;
    top: 0.5rem;
    right: 4.5rem; /* Positioned to the left of theme toggle */
    display: flex;
    gap: 0.25rem;
    z-index: 100;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.4rem 0.6rem;
    background-color: rgba(255, 255, 255, 0.9);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    backdrop-filter: blur(8px);
}

.lang-btn .flag {
    font-size: 1.1rem;
    line-height: 1;
}

.lang-btn .lang-name {
    font-size: 0.8rem;
}

.lang-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    color: var(--text-primary);
}

.lang-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(79, 70, 229, 0.3);
}

.lang-btn.active:hover {
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.4);
}

/* Dark mode adjustments */
[data-theme="dark"] .lang-btn {
    background-color: rgba(30, 41, 59, 0.9);
    border-color: var(--border-color);
}

[data-theme="dark"] .lang-btn:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .lang-btn.active {
    background-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(129, 140, 248, 0.3);
}

[data-theme="dark"] .lang-btn.active:hover {
    box-shadow: 0 4px 12px rgba(129, 140, 248, 0.4);
}

/* Theme Toggle Button */
.theme-toggle {
    position: absolute;
    top: 0.5rem;
    right: 1rem;
    width: 2.5rem;
    height: 2.5rem;
    border: none;
    border-radius: 50%;
    background-color: var(--card-background);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(8px);
    z-index: 100;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
}

.theme-toggle:active {
    transform: scale(0.95);
}

/* Dark mode specific adjustments */
[data-theme="dark"] .theme-toggle {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .theme-toggle:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.7);
}

[data-theme="dark"] .modal {
    background-color: rgba(0, 0, 0, 0.75);
}

[data-theme="dark"] textarea,
[data-theme="dark"] input[type="text"] {
    background-color: var(--background);
    color: var(--text-primary);
}

[data-theme="dark"] .reframer-text,
[data-theme="dark"] .token-display code {
    background-color: var(--background);
}

/* Responsive Design */

/* Small screens (mobile) */
@media (max-width: 640px) {
    .container {
        padding: 1rem;
    }

    header h1 {
        font-size: 1.5rem;
    }

    .logo-inline {
        width: 2.75rem;
        height: 2.75rem;
    }

    .card {
        padding: 1.5rem;
    }

    .button-group {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .language-switcher {
        right: 3.5rem;
        gap: 0.15rem;
    }

    .lang-btn {
        padding: 0.3rem 0.4rem;
        font-size: 0.75rem;
    }

    .lang-btn .flag {
        font-size: 1rem;
    }

    .lang-btn .lang-name {
        font-size: 0.7rem;
    }

    .theme-toggle {
        width: 2.25rem;
        height: 2.25rem;
        font-size: 1.1rem;
    }

    .top-bar {
        padding: 0.75rem;
    }

    /* Responsive tabs */
    .tab {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }

    .dropzone {
        padding: 2rem 1rem;
    }

    .dropzone .file-icon {
        font-size: 2rem;
    }
}

/* ============================================
   AUTHENTICATION UI
   ============================================ */

/* Auth Container */
.auth-container {
    position: absolute;
    top: 0.5rem;
    left: 1rem;
    z-index: 99;
}

/* Sign In Button */
.btn-auth {
    padding: 0.625rem 1.25rem;
    background-color: var(--card-background);
    color: var(--primary-color);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(8px);
}

.btn-auth:hover {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
}

/* User Menu */
.user-menu {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 1rem;
    background-color: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(8px);
}

.user-email {
    font-size: 0.9rem;
    color: var(--text-primary);
    font-weight: 500;
}

.premium-badge {
    background-color: #f59e0b;
    color: white;
    padding: 0.25rem 0.625rem;
    border-radius: 0.375rem;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.025em;
}

/* User Dropdown */
.user-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 0;
    min-width: 200px;
    background-color: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
}

.user-menu:hover .user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    background: none;
    border: none;
    text-align: left;
    font-size: 0.9rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: background-color 0.15s ease;
    border-bottom: 1px solid var(--border-color);
    font-family: inherit;
}

.dropdown-item:first-child {
    border-radius: 0.5rem 0.5rem 0 0;
}

.dropdown-item:last-child {
    border-radius: 0 0 0.5rem 0.5rem;
    border-bottom: none;
}

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

/* Pricing Container */
.pricing-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.pricing-plan {
    position: relative;
    padding: 1.5rem;
    border: 2px solid var(--border-color);
    border-radius: 0.75rem;
    text-align: center;
    transition: all 0.2s ease;
}

.pricing-plan:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.15);
}

.pricing-plan.recommended {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.05), rgba(79, 70, 229, 0.02));
}

.pricing-plan .badge {
    position: absolute;
    top: -0.75rem;
    right: 1rem;
    background-color: var(--success-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
}

.pricing-plan h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.price .period {
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--text-secondary);
}

.features-list {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background-color: var(--background);
    border-radius: 0.5rem;
}

.features-list h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.features-list ul {
    list-style: none;
    margin-left: 0;
}

.features-list li {
    padding: 0.5rem 0;
    color: var(--text-primary);
    font-size: 0.95rem;
}

/* Sign In Modal */
.modal-content input[type="email"] {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    background-color: var(--card-background);
    color: var(--text-primary);
}

.modal-content input[type="email"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.modal-content .note {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 1rem;
    text-align: center;
}

/* Responsive Auth UI */
@media (max-width: 640px) {

    .pricing-container {
        grid-template-columns: 1fr;
    }

    .user-email {
        max-width: 150px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    /* Touch-friendly dropdown (show on tap, not hover) */
    .user-dropdown.show-dropdown {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    /* Mobile-friendly modal and card spacing */
    .modal-content {
        padding: 1rem;
    }

    .confirmation-screen {
        padding: 1rem;
    }

    /* Better text wrapping for upgrade hint */
    .upgrade-hint {
        font-size: 0.85rem;
        line-height: 1.4;
    }

    /* Reduce "How It Works" height on mobile */
    .how-it-works-content.expanded {
        max-height: 500px;
    }
}

/* ============================================
   FOOTER
   ============================================ */

.site-footer {
    margin-top: 4rem;
    padding: 2rem 1rem;
    background-color: var(--background);
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-content p {
    margin: 0;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--primary-color);
}

@media (max-width: 640px) {
    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        flex-direction: column;
        gap: 0.75rem;
    }
}