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

:root {
    /* Colors - Superhero Theme (Purple, Gold, Red) */
    --color-bg: #1a1a2e;
    --color-surface: #252542;
    --color-surface-light: #3a3a5c;
    --color-primary: #f4c430;
    --color-primary-dark: #d4a420;
    --color-secondary: #6b4ba3;
    --color-accent: #e63946;
    --color-text: #f5f5f5;
    --color-text-muted: #b8b8d0;
    --color-text-dim: #7a7a9a;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-success: #22c55e;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    --radius-full: 50%;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;
}

/* Base Styles */
html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    min-height: 100dvh;
}

/* App Container */
.app-container {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-md);
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    text-align: center;
    padding: var(--spacing-lg) 0;
}

.header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.5px;
}

.tagline {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-top: var(--spacing-xs);
}

/* Progress Bar */
.progress-container {
    margin-bottom: var(--spacing-xl);
}

.progress-bar {
    height: 4px;
    background: var(--color-surface-light);
    border-radius: var(--radius-full);
    overflow: hidden;
}

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

.progress-steps {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-sm);
}

.progress-steps .step {
    font-size: 0.75rem;
    color: var(--color-text-dim);
    transition: all var(--transition-fast);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.progress-steps .step.active {
    color: var(--color-primary);
    font-weight: 600;
}

.progress-steps .step.completed {
    color: var(--color-accent);
}

/* Main Content */
.main-content {
    flex: 1;
}

/* Form Steps */
.form-step {
    display: none;
    animation: fadeIn var(--transition-normal);
}

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

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.form-step h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.step-description {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

/* Form Groups */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group > label:not(.checkbox-label) {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

/* Era Selection Grid */
.era-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

.era-btn {
    background: var(--color-surface);
    border: 2px solid var(--color-surface-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
}

.era-btn:hover {
    border-color: var(--color-primary);
    background: var(--color-surface-light);
}

.era-btn.selected {
    border-color: var(--color-primary);
    background: rgba(244, 196, 48, 0.15);
}

.era-name {
    display: block;
    font-weight: 600;
    color: var(--color-text);
}

.era-years {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* Checkbox Styling */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    user-select: none;
}

.checkbox-label.inline {
    flex-direction: row;
    flex-wrap: nowrap;
}

.checkbox-label.inline .checkbox-text {
    white-space: nowrap;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 22px;
    height: 22px;
    border: 2px solid var(--color-surface-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.checkbox-label input:checked + .checkmark {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.checkbox-label input:checked + .checkmark::after {
    content: '';
    width: 6px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    margin-bottom: 2px;
}

/* Text Inputs */
input[type="text"],
textarea {
    width: 100%;
    background: var(--color-surface);
    border: 2px solid var(--color-surface-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    color: var(--color-text);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

input[type="text"]:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

textarea {
    resize: vertical;
    min-height: 100px;
}

::placeholder {
    color: var(--color-text-dim);
}

/* Photo Upload Grid */
.photo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.photo-upload {
    position: relative;
}

.photo-upload input[type="file"] {
    display: none;
}

.photo-label {
    display: block;
    cursor: pointer;
}

.photo-preview {
    aspect-ratio: 3/4;
    background: var(--color-surface);
    border: 2px dashed var(--color-surface-light);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    transition: all var(--transition-fast);
    overflow: hidden;
    position: relative;
}

.photo-preview:hover {
    border-color: var(--color-primary);
    background: var(--color-surface-light);
}

.photo-preview.has-image {
    border-style: solid;
    border-color: var(--color-primary);
}

.photo-preview.drag-over {
    border-color: var(--color-primary);
    background: rgba(244, 196, 48, 0.1);
    transform: scale(1.02);
}

.photo-preview img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.photo-delete-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    background: var(--color-error);
    color: white;
    border: none;
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    opacity: 0.9;
    transition: all var(--transition-fast);
}

.photo-delete-btn:hover {
    opacity: 1;
    transform: scale(1.1);
}

.photo-icon {
    font-size: 1.5rem;
    color: var(--color-text-muted);
}

.photo-text {
    font-size: 0.8rem;
    color: var(--color-text);
    text-align: center;
    font-weight: 600;
}

.photo-required {
    font-size: 0.7rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.photo-status {
    font-size: 0.7rem;
    text-align: center;
    margin-top: var(--spacing-xs);
    min-height: 1.2em;
}

.photo-status.warning {
    color: var(--color-warning);
}

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

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

/* Validation Messages */
.validation-messages {
    margin-bottom: var(--spacing-md);
}

.validation-message {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    font-size: 0.9rem;
}

.validation-message.error {
    background: rgba(255, 71, 87, 0.15);
    color: var(--color-error);
}

.validation-message.warning {
    background: rgba(240, 165, 0, 0.15);
    color: var(--color-warning);
}

/* Option Grid (Physical Details) */
.option-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

.option-btn {
    background: var(--color-surface);
    border: 2px solid var(--color-surface-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
}

.option-btn:hover {
    border-color: var(--color-primary);
}

.option-btn.selected {
    border-color: var(--color-accent);
    background: rgba(230, 57, 70, 0.15);
}

.option-title {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-text);
}

.option-desc {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* Summary Preview */
.summary-preview {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.summary-preview h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

#summaryContent {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

#summaryContent p {
    margin-bottom: var(--spacing-sm);
}

#summaryContent strong {
    color: var(--color-text);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    min-height: 48px;
}

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

.btn-primary {
    background: var(--color-primary);
    color: #1a1a2e;
}

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

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

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

.btn-group {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.btn-group .btn {
    flex: 1;
}

/* Results Section */
.results-container {
    text-align: center;
}

.loading-state {
    padding: var(--spacing-xxl);
}

.spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--color-surface-light);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-lg);
}

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

.loading-detail {
    color: var(--color-text-dim);
    font-size: 0.9rem;
}

/* Grade Display */
.grade-display {
    margin-bottom: var(--spacing-xl);
}

.grade-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(244, 196, 48, 0.3);
}

.grade-value {
    font-size: 3rem;
    font-weight: 700;
    color: white;
}

.grade-range {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.grade-confidence {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
}

.grade-confidence.high {
    background: rgba(46, 213, 115, 0.2);
    color: var(--color-success);
}

.grade-confidence.medium {
    background: rgba(240, 165, 0, 0.2);
    color: var(--color-warning);
}

.grade-confidence.low {
    background: rgba(255, 71, 87, 0.2);
    color: var(--color-error);
}

/* Uncertainty Flags */
.uncertainty-flags {
    background: rgba(240, 165, 0, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    text-align: left;
}

.uncertainty-flags h3 {
    color: var(--color-warning);
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
}

.uncertainty-flags ul {
    list-style: none;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.uncertainty-flags li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
}

.uncertainty-flags li::before {
    content: '!';
    position: absolute;
    left: 0;
    color: var(--color-warning);
    font-weight: bold;
}

/* Defect Breakdown */
.defect-breakdown {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    text-align: left;
}

.defect-breakdown h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
}

.defect-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-surface-light);
}

.defect-item:last-child {
    border-bottom: none;
}

.defect-name {
    color: var(--color-text-muted);
}

.defect-impact {
    color: var(--color-error);
    font-weight: 600;
}

.defect-impact.positive {
    color: var(--color-accent);
}

/* Disclaimers */
.disclaimers {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    text-align: left;
}

.disclaimers h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-muted);
}

.disclaimers ul {
    list-style: none;
    font-size: 0.85rem;
    color: var(--color-text-dim);
}

.disclaimers li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
}

.disclaimers li::before {
    content: '•';
    position: absolute;
    left: 0;
}

.disclaimer-note {
    margin-top: var(--spacing-md);
    font-size: 0.9rem;
    color: var(--color-warning);
    font-style: italic;
}

/* Signed Notice */
.signed-notice {
    background: rgba(107, 75, 163, 0.2);
    border: 1px solid var(--color-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    text-align: left;
}

.signed-notice h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-secondary);
}

.signed-notice p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

/* Footer */
.footer {
    text-align: center;
    padding: var(--spacing-xl) 0;
    color: var(--color-text-dim);
    font-size: 0.8rem;
    border-top: 1px solid var(--color-surface-light);
    margin-top: var(--spacing-xl);
}

.footer-contact {
    margin: var(--spacing-lg) 0;
}

.footer-contact h4 {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
}

.footer-contact a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-contact a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

.footer-links {
    margin: var(--spacing-md) 0;
}

.footer-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.footer-links .separator {
    margin: 0 var(--spacing-sm);
    color: var(--color-surface-light);
}

.copyright {
    margin-top: var(--spacing-md);
    color: var(--color-text-dim);
}

/* Responsive Adjustments */
@media (max-width: 480px) {
    .era-grid {
        grid-template-columns: 1fr;
    }

    .photo-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

    .grade-circle {
        width: 120px;
        height: 120px;
    }

    .grade-value {
        font-size: 2.5rem;
    }
}

/* PWA Standalone Mode */
@media (display-mode: standalone) {
    .app-container {
        padding-top: env(safe-area-inset-top);
        padding-bottom: env(safe-area-inset-bottom);
    }
}

/* Dark mode is default, but support light preference if needed */
@media (prefers-color-scheme: light) {
    /* Could add light mode styles here if desired */
}

.header-mascot {
    width: 90px;
    height: auto;
}

/* Legal Pages (Terms & Privacy) */
.legal-content {
    padding-bottom: var(--spacing-xl);
}

.legal-section {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.legal-section .last-updated {
    color: var(--color-text-dim);
    font-size: 0.85rem;
    margin-bottom: var(--spacing-xl);
    font-style: italic;
}

.legal-section h2 {
    font-size: 1.2rem;
    color: var(--color-primary);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.legal-section h2:first-of-type {
    margin-top: 0;
}

.legal-section h3 {
    font-size: 1rem;
    color: var(--color-text);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.legal-section p {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.legal-section ul {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    color: var(--color-text-muted);
}

.legal-section li {
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

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

.legal-section a:hover {
    text-decoration: underline;
}

/* ==========================================
   Auth Pages (Login, Register)
   ========================================== */
.auth-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-lg) 0;
}

.auth-container-single {
    grid-template-columns: 1fr;
    max-width: 450px;
}

.auth-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.auth-card h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
    text-align: center;
}

.auth-subtitle {
    color: var(--color-text-muted);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.auth-form .form-group {
    margin-bottom: var(--spacing-md);
}

.auth-form label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.auth-form input[type="email"],
.auth-form input[type="password"],
.auth-form input[type="text"] {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-surface-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 1rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.auth-form input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

.auth-form input::placeholder {
    color: var(--color-text-dim);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    font-size: 0.85rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
    color: var(--color-text-muted);
}

.auth-form .checkbox-label,
.form-options .checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.auth-form .checkbox-label input[type="checkbox"],
.form-options .checkbox-label input[type="checkbox"] {
    display: inline-block !important;
    width: 16px;
    height: 16px;
    min-width: 16px;
    accent-color: var(--color-primary);
    cursor: pointer;
    appearance: auto;
    margin: 0;
    vertical-align: middle;
}

.auth-form .checkbox-label a,
.form-options .checkbox-label a {
    color: var(--color-primary);
    text-decoration: none;
}

.auth-form .checkbox-label a:hover,
.form-options .checkbox-label a:hover {
    text-decoration: underline;
}

.forgot-link {
    color: var(--color-primary);
    text-decoration: none;
}

.forgot-link:hover {
    text-decoration: underline;
}

.btn-full {
    width: 100%;
}

.auth-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--color-error);
    color: var(--color-error);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
    font-size: 0.9rem;
    text-align: center;
}

.auth-success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid var(--color-success);
    color: var(--color-success);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
    font-size: 0.9rem;
    text-align: center;
}

.auth-success a {
    color: var(--color-primary);
    text-decoration: underline;
}

.auth-divider {
    display: flex;
    align-items: center;
    margin: var(--spacing-lg) 0;
    color: var(--color-text-dim);
    font-size: 0.85rem;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-border);
}

.auth-divider span {
    padding: 0 var(--spacing-md);
}

.auth-switch {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.auth-switch a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
}

.auth-switch a:hover {
    text-decoration: underline;
}

/* Benefits Card */
.benefits-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.benefits-card h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-primary);
}

.benefits-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.benefits-list li {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.benefits-list li:last-child {
    margin-bottom: 0;
}

.benefit-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    width: 40px;
    text-align: center;
}

.benefits-list strong {
    display: block;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.benefits-list p {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    line-height: 1.5;
    margin: 0;
}

/* Auth Responsive */
@media (max-width: 768px) {
    .auth-container {
        grid-template-columns: 1fr;
        padding: var(--spacing-md);
    }

    .benefits-card {
        order: -1;
    }
}

/* ==========================================
   Navigation Bar
   ========================================== */
.nav-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    margin-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-surface-light);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--color-primary);
    font-weight: 700;
    font-size: 1.1rem;
}

.nav-mascot {
    width: 40px;
    height: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
}

.nav-auth {
    display: flex;
    gap: var(--spacing-sm);
}

.nav-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.user-name {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.85rem;
}

/* Header Compact (for app page with nav) */
.header-compact {
    padding: var(--spacing-md) 0;
}

.header-compact h1 {
    font-size: 1.5rem;
}

/* ==========================================
   Landing Page / Hero
   ========================================== */
.hero {
    text-align: center;
    padding: var(--spacing-xxl) 0;
}

.hero-mascot {
    width: 120px;
    height: auto;
    margin-bottom: var(--spacing-lg);
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.hero-tagline {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

.hero-description {
    font-size: 1rem;
    color: var(--color-text-muted);
    max-width: 500px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
}

/* Landing Content */
.landing-content {
    padding-bottom: var(--spacing-xxl);
}

.landing-section {
    margin-bottom: var(--spacing-xxl);
}

.landing-section h2 {
    font-size: 1.5rem;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-description {
    text-align: center;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
}

/* Steps Grid */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.step-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    color: var(--color-bg);
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
}

.step-card h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
}

.step-card p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.feature-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.feature-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.feature-card h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.feature-card p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* Era Showcase */
.era-showcase {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
}

.era-badge {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: center;
    font-weight: 600;
    color: var(--color-text);
}

.era-badge span {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-dim);
    font-weight: 400;
    margin-top: var(--spacing-xs);
}

/* CTA Section */
.cta-section {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xxl);
    text-align: center;
}

.cta-section h2 {
    margin-bottom: var(--spacing-sm);
}

.cta-section p {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

/* Landing Responsive */
@media (max-width: 768px) {
    .nav-bar {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .hero h1 {
        font-size: 2rem;
    }

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

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

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

/* Wider container for landing page */
.app-container:has(.hero) {
    max-width: 900px;
}

.app-container:has(.nav-bar) {
    max-width: 900px;
}