/* ===== Nav Bar ===== */

#nav-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(10, 10, 20, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding-bottom: env(safe-area-inset-bottom);
    z-index: 20;
}

.nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    padding: var(--space-sm) 0;
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: var(--font-size-xs);
    cursor: pointer;
    transition: color var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
    max-width: 120px;
}

.nav-item.active {
    color: var(--color-primary);
}

.nav-item:hover {
    color: var(--color-text);
}

.nav-icon {
    font-size: 1.3rem;
    line-height: 1;
}

.nav-label {
    font-weight: var(--font-weight-medium);
}

/* ===== Home Page ===== */

.home-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-xl);
}

.home-header h1 {
    font-size: var(--font-size-xl);
}

.home-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(var(--card-min-width), 1fr));
    gap: var(--grid-gap);
}

/* ===== List View Page ===== */

.list-view-header {
    margin-bottom: var(--space-xl);
}

.list-view-header .back-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    cursor: pointer;
    background: none;
    border: none;
    font-family: var(--font-family);
    padding: var(--space-xs) 0;
    margin-bottom: var(--space-md);
    -webkit-tap-highlight-color: transparent;
}

.list-view-header .back-btn:hover {
    color: var(--color-text);
}

.list-view-title-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-sm);
}

.list-view-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
}

.list-view-description {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin-top: var(--space-xs);
    font-style: italic;
}

.list-view-progress {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-top: var(--space-lg);
    padding: var(--space-md);
    background: var(--color-surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.list-view-progress .progress-bar {
    flex: 1;
    height: 6px;
}

.list-view-progress .progress-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.list-items-container {
    margin-top: var(--space-lg);
}

/* ===== List Form Page ===== */

.page-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.page-header .back-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-size: var(--font-size-lg);
    cursor: pointer;
    border-radius: var(--radius-sm);
    -webkit-tap-highlight-color: transparent;
}

.page-header .back-btn:hover {
    background: var(--color-surface-raised);
    color: var(--color-text);
}

/* Cover image preview */
.cover-preview {
    width: 80px;
    height: 120px;
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    background-size: cover;
    background-position: center;
    border: 1px solid var(--color-border);
    margin-top: var(--space-sm);
}

/* ===== Item Form Page ===== */

.extract-result {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-top: var(--space-sm);
}

.extract-result img {
    width: 60px;
    height: 90px;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

.extract-result .extract-info {
    flex: 1;
}

.extract-result .extract-title {
    font-weight: var(--font-weight-medium);
}

.extract-result .extract-status {
    font-size: var(--font-size-sm);
    color: var(--color-success);
    margin-top: var(--space-xs);
}

/* ===== Import Page ===== */

.import-page .json-input {
    font-family: 'Courier New', Courier, monospace;
    font-size: var(--font-size-sm);
    min-height: 200px;
    line-height: 1.5;
}

.import-preview {
    margin-top: var(--space-xl);
    padding: var(--space-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.import-preview h3 {
    margin-bottom: var(--space-md);
}

.import-list-preview {
    padding: var(--space-md);
    background: var(--color-surface-raised);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-sm);
}

.import-list-name {
    font-weight: var(--font-weight-medium);
}

.import-list-counts {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-top: var(--space-xs);
}

.import-errors {
    color: var(--color-danger);
    font-size: var(--font-size-sm);
    margin-top: var(--space-md);
}

.import-errors li {
    list-style: none;
    padding: var(--space-xs) 0;
}

.import-errors li::before {
    content: '! ';
    font-weight: bold;
}

/* File upload area */
.file-upload {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-xl);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    text-align: center;
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.file-upload:hover {
    border-color: var(--color-primary);
}

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

.divider {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin: var(--space-xl) 0;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

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

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

.settings-section {
    margin-bottom: var(--space-2xl);
}

.settings-section h2 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--color-border);
}

.bg-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.bg-item {
    position: relative;
    aspect-ratio: 16 / 9;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--color-surface);
    background-size: cover;
    background-position: center;
    border: 2px solid var(--color-border);
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.bg-item.active {
    border-color: var(--color-primary);
}

.bg-item:hover {
    border-color: var(--color-text-muted);
}

.bg-item-remove {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    border: none;
    font-size: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.resolution-warning {
    color: var(--color-warning);
    font-size: var(--font-size-xs);
    margin-top: var(--space-xs);
}

/* ===== PIN Page ===== */

.pin-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 80vh;
    padding: var(--space-xl);
    text-align: center;
}

.pin-page h1 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-sm);
}

.pin-page .pin-subtitle {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2xl);
}

.pin-dots {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.pin-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 2px solid var(--color-border);
    transition: all var(--transition-fast);
}

.pin-dot.filled {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.pin-dot.error {
    border-color: var(--color-danger);
    background: var(--color-danger);
}

.pin-keypad {
    display: grid;
    grid-template-columns: repeat(3, 72px);
    gap: var(--space-md);
    justify-content: center;
}

.pin-key {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text);
    font-family: var(--font-family);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
}

.pin-key:hover {
    background: var(--color-surface-raised);
}

.pin-key:active {
    transform: scale(0.92);
    background: var(--color-surface-hover);
}

.pin-key.action {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    border-color: transparent;
    background: transparent;
}

.pin-error-text {
    color: var(--color-danger);
    font-size: var(--font-size-sm);
    margin-top: var(--space-lg);
    min-height: 1.5em;
}