:root {
    /* Colors */
    --md-sys-color-primary: var(--md-sys-color-surface-container-highest);
    --md-sys-color-on-primary: var(--md-sys-color-on-surface);
    --md-sys-color-primary-container: #e0e0e0;
    --md-sys-color-on-primary-container: #1a1a1a;
    --md-sys-color-surface: #fafafa;
    --md-sys-color-surface-dim: #f0f0f0;
    --md-sys-color-surface-bright: #ffffff;
    --md-sys-color-surface-container: #f5f5f5;
    --md-sys-color-surface-container-low: #f8f8f8;
    --md-sys-color-surface-container-high: #eeeeee;
    --md-sys-color-surface-container-highest: #e5e5e5;
    --md-sys-color-on-surface: #1a1a1a;
    --md-sys-color-on-surface-variant: #5a5a5a;
    --md-sys-color-outline: #9a9a9a;
    --md-sys-color-outline-variant: #d0d0d0;
    --md-sys-color-secondary: #4a4a4a;
    --md-sys-color-on-secondary: #ffffff;
    --md-sys-color-secondary-container: #e8e8e8;
    --md-sys-color-tertiary: #6a6a6a;
    --md-sys-color-error: #ba1a1a;
    --md-sys-color-success: #2e7d32;
    --md-sys-color-shadow: rgba(0,0,0,0.15);
    
    /* Radius */
    --radius-xl: 28px;
    --radius-lg: 20px;
    --radius-md: 16px;
    --radius-sm: 12px;
    --radius-xs: 8px;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-medium: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 450ms cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    --md-sys-color-primary: var(--md-sys-color-surface-container-high);
    --md-sys-color-on-primary: var(--md-sys-color-on-surface);
    --md-sys-color-primary-container: #3a3a3a;
    --md-sys-color-on-primary-container: #e0e0e0;
    --md-sys-color-surface: #121212;
    --md-sys-color-surface-dim: #0a0a0a;
    --md-sys-color-surface-bright: #1e1e1e;
    --md-sys-color-surface-container: #1a1a1a;
    --md-sys-color-surface-container-low: #161616;
    --md-sys-color-surface-container-high: #252525;
    --md-sys-color-surface-container-highest: #303030;
    --md-sys-color-on-surface: #e5e5e5;
    --md-sys-color-on-surface-variant: #a0a0a0;
    --md-sys-color-outline: #6a6a6a;
    --md-sys-color-outline-variant: #404040;
    --md-sys-color-secondary: #b0b0b0;
    --md-sys-color-on-secondary: #1a1a1a;
    --md-sys-color-secondary-container: #2a2a2a;
    --md-sys-color-tertiary: #909090;
    --md-sys-color-shadow: rgba(0,0,0,0.4);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html, body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--md-sys-color-surface);
    color: var(--md-sys-color-on-surface);
    transition: background var(--transition-medium), color var(--transition-medium);
}

.material-symbols-rounded {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    user-select: none;
}

.material-symbols-rounded.filled {
    font-variation-settings: 'FILL' 1, 'wght' 500, 'GRAD' 0, 'opsz' 24;
}

/* App Shell */
.app-container {
    height: 100vh;
    height: 100dvh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Top App Bar */
.top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--md-sys-color-surface);
    z-index: 100;
    min-height: 64px;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-container img {
    height: 32px;
    width: auto;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.top-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

.icon-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: transparent;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--md-sys-color-on-surface);
    transition: background var(--transition-fast);
}

.icon-btn:hover {
    background: var(--md-sys-color-surface-container-high);
}

.icon-btn:active {
    background: var(--md-sys-color-surface-container-highest);
}

.version-badge {
    font-size: 10px;
    font-weight: 600;
    color: var(--md-sys-color-on-surface-variant);
    background: var(--md-sys-color-surface-container-highest);
    padding: 2px 6px;
    border-radius: 6px;
    margin-left: 4px;
    align-self: flex-start;
    margin-top: 4px;
    opacity: 0.8;
}

/* Pages Container */
.pages-wrapper {
    flex: 1;
    overflow: hidden;
    position: relative;
}

.page {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 0 16px 24px;
    scroll-behavior: smooth;
}

.page.hidden {
    display: none;
}

.page::-webkit-scrollbar {
    width: 0;
}

/* Bottom Navigation */
.bottom-nav {
    background: var(--md-sys-color-surface-container);
    padding: 8px 0 max(8px, env(safe-area-inset-bottom));
    display: flex;
    justify-content: center;
    gap: 8px;
    z-index: 100;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--md-sys-color-on-surface-variant);
    transition: all var(--transition-fast);
    min-width: 80px;
}

.nav-item.active {
    color: var(--md-sys-color-on-surface);
}

.nav-pill {
    position: relative;
    width: 64px;
    height: 32px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.nav-item.active .nav-pill {
    background: var(--md-sys-color-primary-container);
}

.nav-label {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.3px;
}

/* Cards */
.card {
    background: var(--md-sys-color-surface-container);
    border-radius: var(--radius-xl);
    padding: 20px;
    margin-bottom: 16px;
    border: none;
}

.card-elevated {
    box-shadow: 0 2px 8px var(--md-sys-color-shadow);
}

/* Average Hero Card */
.average-hero {
    text-align: center;
    padding: 32px 24px;
    background: var(--md-sys-color-surface-container);
}

.average-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--md-sys-color-on-surface-variant);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.average-value {
    font-size: 72px;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -3px;
    color: var(--md-sys-color-on-surface);
}

.average-evolution {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 12px;
    padding: 6px 12px;
    background: var(--md-sys-color-surface-container-high);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    color: var(--md-sys-color-on-surface-variant);
}

.evolution-positive {
    color: #4caf50 !important;
}

.evolution-negative {
    color: #f44336 !important;
}

.evolution-neutral {
    color: var(--md-sys-color-on-surface-variant) !important;
}

/* Coming Soon Card */
.coming-soon-card {
    position: relative;
    background: var(--md-sys-color-surface-container);
    overflow: hidden;
}

.coming-soon-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 12px;
}

.coming-soon-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--md-sys-color-surface-container-highest);
    color: var(--md-sys-color-on-surface);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--md-sys-color-surface-container-high);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    color: var(--md-sys-color-on-surface);
    transition: all var(--transition-fast);
}

.info-btn:hover {
    background: var(--md-sys-color-surface-container-highest);
}

.info-btn img {
    height: 20px;
    width: auto;
}

.coming-soon-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.coming-soon-text {
    font-size: 14px;
    color: var(--md-sys-color-on-surface-variant);
    line-height: 1.5;
}

/* Analytics Section */
.section-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.chart-container {
    position: relative;
    height: 200px;
    margin: 16px 0;
}

/* Top/Flop Section */
.topflop-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.topflop-card {
    padding: 16px;
}

.topflop-title {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.topflop-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0;
}

.topflop-item:not(:last-child) {
    border-bottom: 1px solid var(--md-sys-color-outline-variant);
}

.topflop-subject {
    font-size: 13px;
    font-weight: 500;
    max-width: 70%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.topflop-average {
    font-size: 14px;
    font-weight: 700;
}

/* Target Section */
.target-card {
    background: var(--md-sys-color-surface-container);
}

.target-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.target-input-container {
    display: flex;
    align-items: center;
    gap: 8px;
}

.target-input {
    width: 60px;
    padding: 8px 12px;
    background: var(--md-sys-color-surface-container-high);
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 16px;
    font-weight: 600;
    color: var(--md-sys-color-on-surface);
    text-align: center;
}

.progress-container {
    height: 8px;
    background: var(--md-sys-color-surface-container-highest);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--md-sys-color-primary);
    border-radius: 4px;
    transition: width var(--transition-medium);
}

.progress-label {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    font-size: 12px;
    color: var(--md-sys-color-on-surface-variant);
}

/* Add Note Form */
.add-note-card {
    background: var(--md-sys-color-surface-container);
}

.form-row {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
}

.form-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--md-sys-color-on-surface-variant);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-input, .form-select {
    padding: 12px 16px;
    background: var(--md-sys-color-surface-container-high);
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 15px;
    color: var(--md-sys-color-on-surface);
    width: 100%;
    transition: background var(--transition-fast);
}

.form-input::placeholder {
    color: var(--md-sys-color-on-surface-variant);
}

.form-input:focus, .form-select:focus {
    outline: none;
    background: var(--md-sys-color-surface-container-highest);
}

.form-select option {
    background: var(--md-sys-color-surface);
    color: var(--md-sys-color-on-surface);
}

.ghost-toggle {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
}

.ghost-toggle-label {
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--md-sys-color-on-surface);
}

.checkbox-m3 {
    position: relative;
    width: 20px;
    height: 20px;
    background: var(--md-sys-color-surface-container-highest);
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.checkbox-m3.checked {
    background: var(--md-sys-color-primary);
}

.checkbox-m3 .material-symbols-rounded {
    font-size: 16px;
    color: var(--md-sys-color-on-primary);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.checkbox-m3.checked .material-symbols-rounded {
    opacity: 1;
}

.add-btn {
    width: 100%;
    padding: 14px;
    background: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all var(--transition-fast);
}

.add-btn:hover {
    opacity: 0.9;
}

.add-btn:active {
    transform: scale(0.98);
}

/* Subjects List */
.subjects-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 24px 0 16px;
}

.coef-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--md-sys-color-surface-container);
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 13px;
    font-weight: 500;
    color: var(--md-sys-color-on-surface);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.coef-btn:hover {
    background: var(--md-sys-color-surface-container-high);
}

.subject-card {
    margin-bottom: 12px;
}

.subject-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.subject-header:hover {
    background: var(--md-sys-color-surface-container-high);
    border-radius: var(--radius-xl);
}

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

.subject-name {
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.subject-coef {
    font-size: 12px;
    font-weight: 500;
    color: var(--md-sys-color-on-surface-variant);
}

.subject-delete-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: transparent;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--md-sys-color-on-surface-variant);
    transition: all var(--transition-fast);
    opacity: 0;
}

.subject-header:hover .subject-delete-btn {
    opacity: 1;
}

.subject-delete-btn:hover {
    background: rgba(186, 26, 26, 0.1);
    color: var(--md-sys-color-error);
}

.subject-average-pill {
    padding: 6px 14px;
    background: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    border-radius: 20px;
    font-size: 15px;
    font-weight: 700;
}

.notes-list {
    padding: 0 20px 16px;
}

.note-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--md-sys-color-outline-variant);
}

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

/* Ghost notes */
.note-item.ghost {
    opacity: 0.5;
}

.note-item.ghost .note-value,
.note-item.ghost .note-details {
    font-style: italic;
}

.note-item.ghost .note-value::after {
    content: ' 👻';
    font-style: normal;
}

.note-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.note-value {
    font-size: 15px;
    font-weight: 600;
}

.note-details {
    font-size: 12px;
    color: var(--md-sys-color-on-surface-variant);
}

.note-actions {
    display: flex;
    gap: 4px;
}

.note-action-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: transparent;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--md-sys-color-on-surface-variant);
    transition: all var(--transition-fast);
}

.note-action-btn:hover {
    background: var(--md-sys-color-surface-container-high);
    color: var(--md-sys-color-on-surface);
}

.note-action-btn.delete:hover {
    background: rgba(186, 26, 26, 0.1);
    color: var(--md-sys-color-error);
}

.see-all-btn {
    width: 100%;
    padding: 12px;
    background: var(--md-sys-color-surface-container-high);
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 13px;
    font-weight: 500;
    color: var(--md-sys-color-on-surface);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-top: 8px;
    transition: all var(--transition-fast);
}

.see-all-btn:hover {
    background: var(--md-sys-color-surface-container-highest);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 48px 24px;
}

.empty-state .material-symbols-rounded {
    font-size: 64px;
    color: var(--md-sys-color-outline);
    margin-bottom: 16px;
}

.empty-state h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.empty-state p {
    font-size: 14px;
    color: var(--md-sys-color-on-surface-variant);
}

/* Bottom Sheet */
.bottom-sheet-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium);
}

.bottom-sheet-overlay.visible {
    opacity: 1;
    visibility: visible;
}

.bottom-sheet {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--md-sys-color-surface);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    padding: 8px 24px max(24px, env(safe-area-inset-bottom));
    z-index: 1001;
    transform: translateY(100%);
    transition: transform var(--transition-medium);
    max-height: 85vh;
    overflow-y: auto;
}

.bottom-sheet-overlay.visible .bottom-sheet {
    transform: translateY(0);
}

.bottom-sheet-handle {
    width: 32px;
    height: 4px;
    background: var(--md-sys-color-outline-variant);
    border-radius: 2px;
    margin: 0 auto 20px;
}

.bottom-sheet-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 16px;
}

.bottom-sheet-content {
    font-size: 15px;
    line-height: 1.6;
    color: var(--md-sys-color-on-surface-variant);
}

.bottom-sheet-content ul {
    margin: 16px 0;
    padding-left: 20px;
}

.bottom-sheet-content li {
    margin-bottom: 8px;
}

.bottom-sheet-close {
    width: 100%;
    padding: 16px;
    background: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 24px;
    transition: all var(--transition-fast);
}

/* Dialog */
.dialog-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium);
}

.dialog-overlay.visible {
    opacity: 1;
    visibility: visible;
}

.dialog {
    background: var(--md-sys-color-surface);
    border-radius: var(--radius-xl);
    padding: 24px;
    width: 100%;
    max-width: 400px;
    max-height: 80vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform var(--transition-medium);
}

.dialog-overlay.visible .dialog {
    transform: scale(1);
}

.dialog-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
}

.dialog-coef-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--md-sys-color-outline-variant);
}

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

.dialog-coef-name {
    display: flex;
    align-items: center;
    gap: 12px;
}

.dialog-delete-btn {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: transparent;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--md-sys-color-error);
    transition: all var(--transition-fast);
}

.dialog-delete-btn:hover {
    background: rgba(186, 26, 26, 0.1);
}

.dialog-coef-input {
    width: 60px;
    padding: 8px 12px;
    background: var(--md-sys-color-surface-container);
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    color: var(--md-sys-color-on-surface);
    text-align: center;
}

.dialog-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.dialog-btn {
    flex: 1;
    padding: 14px;
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.dialog-btn-secondary {
    background: var(--md-sys-color-surface-container);
    color: var(--md-sys-color-on-surface);
}

.dialog-btn-primary {
    background: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
}

/* Share Card Popup */
.share-card-container {
    padding: 24px;
    background: var(--md-sys-color-surface-container);
    border-radius: var(--radius-xl);
    text-align: center;
}

.share-input-group {
    margin-bottom: 16px;
}

.share-input {
    width: 100%;
    padding: 14px 16px;
    background: var(--md-sys-color-surface);
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 15px;
    color: var(--md-sys-color-on-surface);
    text-align: center;
}

.emoji-picker {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin: 16px 0;
}

.emoji-btn {
    width: 44px;
    height: 44px;
    border: none;
    background: var(--md-sys-color-surface);
    border-radius: var(--radius-sm);
    font-size: 22px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.emoji-btn.selected {
    background: var(--md-sys-color-primary);
    transform: scale(1.1);
}

/* Feedback button */
#feedback-dialog .export-btn {
    justify-content: flex-start;
    padding-left: 20px;
    width: 100%;
    text-decoration: none;
    margin-bottom: 8px;
}

#feedback-dialog .material-symbols-rounded {
    margin-right: 12px;
}

/* Generated Share Card */
.generated-card {
    width: 300px;
    margin: 0 auto;
    padding: 40px 24px;
    background: linear-gradient(145deg, #1a1a1a, #2d2d2d);
    border-radius: var(--radius-xl);
    color: white;
    text-align: center;
}

.generated-card-emoji {
    font-size: 64px;
    margin-bottom: 16px;
}

.generated-card-name {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
}

.generated-card-label {
    font-size: 12px;
    opacity: 0.6;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.generated-card-average {
    font-size: 72px;
    font-weight: 800;
    line-height: 1;
    margin: 16px 0;
}

.generated-card-footer {
    font-size: 11px;
    opacity: 0.4;
    margin-top: 32px;
    font-style: italic;
}

/* Export Buttons */
.export-section {
    margin-top: 24px;
}

.export-buttons {
    display: flex;
    gap: 12px;
}

.export-btn {
    flex: 1;
    padding: 14px;
    background: var(--md-sys-color-surface-container);
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    color: var(--md-sys-color-on-surface);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all var(--transition-fast);
}

.export-btn:hover {
    background: var(--md-sys-color-surface-container-high);
}

/* Snackbar */
.snackbar {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--md-sys-color-on-surface);
    color: var(--md-sys-color-surface);
    padding: 14px 24px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    z-index: 2000;
    opacity: 0;
    transition: all var(--transition-medium);
    box-shadow: 0 4px 12px var(--md-sys-color-shadow);
}

.snackbar.visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* Responsive */
@media (max-width: 380px) {
    .average-value {
        font-size: 56px;
    }
    
    .form-row {
        flex-direction: column;
    }
    
    .topflop-grid {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 768px) {
    .page {
        padding: 0 32px 32px;
    }
    
    .topflop-grid {
        gap: 16px;
    }
}

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

.animate-in {
    animation: fadeIn 0.3s ease-out forwards;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.pulse {
    animation: pulse 0.5s ease-in-out;
}