/* ============================================
   AI Token Pricer — "Terminal Luxe" theme
   ============================================ */

:root {
    --atp-nav-bg: #12121a;
    --atp-nav-text: #a0a0b0;
    --atp-nav-active: #f0c050;
    --atp-accent: #e8a838;
    --atp-accent-soft: #fdf3e0;
    --atp-body-bg: #f8f6f1;
    --atp-card-bg: #ffffff;
    --atp-text: #1a1a1a;
    --atp-text-muted: #6b7280;
    --atp-border: #e5e2da;
    --atp-row-alt: #f5f3ed;
    --atp-row-hover: #eeebe3;
    --atp-badge-bg: #edeae4;
    --atp-badge-text: #4a4a4a;
    --atp-green: #22863a;
    --atp-green-bg: #e6f4ea;
    --atp-red-muted: #9e6b5e;
    --atp-red-bg: #f5eeeb;
    --atp-font-display: 'DM Serif Display', Georgia, serif;
    --atp-font-body: 'IBM Plex Sans', -apple-system, sans-serif;
    --atp-font-mono: 'IBM Plex Mono', 'Menlo', monospace;
}

body {
    background: var(--atp-body-bg);
    color: var(--atp-text);
    font-family: var(--atp-font-body);
    -webkit-font-smoothing: antialiased;
}

/* ---- Navbar ---- */

.atp-nav {
    background: var(--atp-nav-bg);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    padding: 0.6rem 0;
}

.atp-brand {
    font-family: var(--atp-font-display);
    font-size: 1.25rem;
    color: #fff !important;
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.atp-brand-icon {
    color: var(--atp-accent);
    width: 20px;
    height: 20px;
    vertical-align: -0.15em;
}

.atp-nav .nav-link {
    color: var(--atp-nav-text);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: color 0.15s;
    letter-spacing: 0.01em;
}

.atp-nav .nav-link:hover {
    color: #e0e0e8;
}

.atp-nav .nav-link.active {
    color: var(--atp-nav-active);
    position: relative;
}

.atp-nav .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -0.6rem;
    left: 1rem;
    right: 1rem;
    height: 2px;
    background: var(--atp-nav-active);
    border-radius: 1px;
}

.atp-nav .navbar-toggler {
    border-color: rgba(255,255,255,0.15);
}

.atp-nav .navbar-toggler-icon {
    filter: invert(1) brightness(0.7);
}

/* ---- Navbar dropdown ---- */

.atp-dropdown {
    background: var(--atp-nav-bg);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 4px;
    padding: 0.25rem 0;
    min-width: 10rem;
}

.atp-dropdown .dropdown-item {
    color: var(--atp-nav-text);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.45rem 1rem;
}

.atp-dropdown .dropdown-item:hover,
.atp-dropdown .dropdown-item:focus {
    background: rgba(255,255,255,0.06);
    color: #e0e0e8;
}

.atp-dropdown .dropdown-item.active {
    background: rgba(255,255,255,0.08);
    color: var(--atp-nav-active);
}

/* ---- Main content ---- */

.atp-main {
    min-height: calc(100vh - 130px);
}

/* ---- Page header ---- */

.atp-page-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1.5rem;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
}

.atp-title {
    font-family: var(--atp-font-display);
    font-size: 1.85rem;
    margin-bottom: 0.15rem;
    letter-spacing: -0.02em;
}

.atp-subtitle {
    color: var(--atp-text-muted);
    font-size: 0.9rem;
    margin: 0;
}

/* ---- Methodology link ---- */

.atp-methodology-link {
    font-size: 0.85rem;
    color: #4a7eba;
    font-style: italic;
    text-decoration: underline;
}

.atp-methodology-link:hover {
    color: var(--atp-accent);
}

/* ---- API badge ---- */

.atp-badge-api {
    font-size: 0.78rem;
    font-weight: 600;
    padding: 0.3rem 0.65rem;
    background: var(--atp-nav-bg);
    color: #c8c8d4;
    text-decoration: none;
    border-radius: 3px;
    letter-spacing: 0.02em;
    margin-bottom: 0.35rem;
}

.atp-badge-api:hover {
    background: #3a3a4a;
    color: #fff;
}

/* ---- Filter bar ---- */

.atp-filter-bar {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.atp-filter-bar-wide {
    flex-wrap: wrap;
}

.atp-select {
    font-size: 0.85rem;
    border-color: var(--atp-border);
    background-color: var(--atp-card-bg);
    min-width: 180px;
}

.atp-select:focus {
    border-color: var(--atp-accent);
    box-shadow: 0 0 0 0.2rem rgba(232,168,56,0.15);
}

.atp-input {
    font-size: 0.85rem;
    border-color: var(--atp-border);
    background-color: var(--atp-card-bg);
    font-family: var(--atp-font-mono);
}

.atp-input:focus {
    border-color: var(--atp-accent);
    box-shadow: 0 0 0 0.2rem rgba(232,168,56,0.15);
}

/* ---- Tables ---- */

.atp-table {
    font-size: 0.85rem;
    background: var(--atp-card-bg);
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--atp-border);
    margin-bottom: 0;
}

.atp-table thead th {
    background: #faf9f5;
    font-weight: 600;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--atp-text-muted);
    border-bottom: 2px solid var(--atp-border);
    padding: 0.7rem 0.75rem;
    white-space: nowrap;
}

.atp-table tbody td {
    padding: 0.6rem 0.75rem;
    vertical-align: middle;
    border-color: var(--atp-border);
}

.atp-table tbody tr:nth-child(even) {
    background: var(--atp-row-alt);
}

.atp-table tbody tr:hover {
    background: var(--atp-row-hover);
}

.atp-table-compact tbody td {
    padding: 0.45rem 0.65rem;
}

.atp-th-unit {
    font-weight: 400;
    font-size: 0.7rem;
    text-transform: none;
    letter-spacing: 0;
    opacity: 0.7;
}

.atp-model-name {
    font-family: var(--atp-font-mono);
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--atp-text);
    word-break: break-all;
}

.atp-mono {
    font-family: var(--atp-font-mono);
    font-size: 0.82rem;
}

.atp-provider-badge {
    display: inline-block;
    background: var(--atp-badge-bg);
    color: var(--atp-badge-text);
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.15rem 0.55rem;
    border-radius: 3px;
    white-space: nowrap;
}

/* ---- Sort links ---- */

.atp-sort-link {
    color: var(--atp-text-muted);
    text-decoration: none;
    white-space: nowrap;
}

.atp-sort-link:hover {
    color: var(--atp-text);
}

.atp-sort-link.active {
    color: var(--atp-text);
}

/* ---- History badges ---- */

.atp-badge-current {
    background: var(--atp-green-bg);
    color: var(--atp-green);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.atp-badge-superseded {
    background: var(--atp-red-bg);
    color: var(--atp-red-muted);
    font-size: 0.72rem;
    font-weight: 500;
}

.atp-row-current {
    border-left: 3px solid var(--atp-green);
}

.atp-date {
    font-size: 0.78rem;
    color: var(--atp-text-muted);
    white-space: nowrap;
}

/* ---- Calculator ---- */

.atp-calc-form {
    background: var(--atp-card-bg);
    border: 1px solid var(--atp-border);
    border-radius: 6px;
    padding: 1.5rem;
}

.atp-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--atp-text);
    margin-bottom: 0.35rem;
}

.atp-textarea {
    font-family: var(--atp-font-mono);
    font-size: 0.82rem;
    border-color: var(--atp-border);
    resize: vertical;
}

.atp-textarea:focus {
    border-color: var(--atp-accent);
    box-shadow: 0 0 0 0.2rem rgba(232,168,56,0.15);
}

.atp-divider {
    text-align: center;
    position: relative;
    margin: 1.25rem 0;
}

.atp-divider::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 50%;
    height: 1px;
    background: var(--atp-border);
}

.atp-divider span {
    position: relative;
    background: var(--atp-card-bg);
    padding: 0 0.75rem;
    font-size: 0.78rem;
    color: var(--atp-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.atp-btn-primary {
    background: var(--atp-nav-bg);
    color: #fff;
    border: none;
    font-weight: 600;
    font-size: 0.85rem;
    padding: 0.6rem 1.25rem;
    letter-spacing: 0.01em;
    transition: background 0.15s;
}

.atp-btn-primary:hover {
    background: #1e1e2e;
    color: #fff;
}

.atp-btn-secondary {
    background: var(--atp-card-bg);
    color: var(--atp-text);
    border: 1px solid var(--atp-border);
    font-weight: 500;
    font-size: 0.85rem;
    padding: 0.35rem 1rem;
}

.atp-btn-secondary:hover {
    background: var(--atp-row-alt);
    color: var(--atp-text);
}

.atp-results-panel {
    min-height: 300px;
}

.atp-results-empty {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--atp-text-muted);
    font-size: 0.9rem;
}

.atp-results-empty-icon {
    font-size: 2rem;
    color: var(--atp-accent);
    opacity: 0.4;
    margin-bottom: 1rem;
}

.atp-result-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    margin-bottom: 1rem;
    padding: 0.5rem 0.75rem;
    background: var(--atp-accent-soft);
    border-radius: 4px;
    border-left: 3px solid var(--atp-accent);
}

.atp-result-sep {
    color: var(--atp-text-muted);
}

.atp-row-best {
    background: var(--atp-green-bg) !important;
}

.atp-rank {
    font-family: var(--atp-font-mono);
    font-size: 0.75rem;
    color: var(--atp-text-muted);
}

.atp-total {
    font-weight: 600;
}

.atp-spinner {
    display: none;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--atp-text-muted);
    padding: 1rem 0;
}

.htmx-request .atp-spinner,
.htmx-request.atp-spinner {
    display: flex;
}

/* ---- Footer ---- */

.atp-footer {
    background: var(--atp-nav-bg);
    color: var(--atp-nav-text);
    font-size: 0.8rem;
    padding: 1.25rem 0;
    text-align: center;
}

.atp-footer a {
    color: #d0d0d8;
    text-decoration: none;
}

.atp-footer a:hover {
    color: var(--atp-nav-active);
}

.atp-footer strong {
    color: #d0d0d8;
    font-weight: 500;
}

/* ---- Pagination ---- */

.pagination .page-link {
    font-size: 0.82rem;
    font-family: var(--atp-font-mono);
    color: var(--atp-text);
    border-color: var(--atp-border);
    background: var(--atp-card-bg);
}

.pagination .page-item.active .page-link {
    background: var(--atp-nav-bg);
    border-color: var(--atp-nav-bg);
    color: #fff;
}

.pagination .page-link:hover {
    background: var(--atp-row-hover);
    border-color: var(--atp-border);
    color: var(--atp-text);
}

.pagination .page-item.disabled .page-link {
    color: var(--atp-text-muted);
    background: var(--atp-card-bg);
}

.atp-footer-sep {
    margin: 0 0.5rem;
    opacity: 0.4;
}

/* ---- Compare: Selector ---- */

.atp-compare-selector {
    background: var(--atp-card-bg);
    border: 1px solid var(--atp-border);
    border-radius: 6px;
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
}

.atp-compare-search-wrap {
    position: relative;
    max-width: 420px;
}

.atp-compare-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--atp-card-bg);
    border: 1px solid var(--atp-border);
    border-top: none;
    border-radius: 0 0 6px 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    max-height: 300px;
    overflow-y: auto;
}

.atp-compare-dropdown-item {
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.atp-compare-dropdown-item:hover,
.atp-compare-dropdown-item.active {
    background: var(--atp-row-hover);
}

/* ---- Compare: Chips ---- */

.atp-chip-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.atp-chip-container:empty {
    margin-top: 0;
}

.atp-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: var(--atp-accent-soft);
    border: 1px solid var(--atp-accent);
    border-radius: 20px;
    padding: 0.3rem 0.6rem 0.3rem 0.75rem;
    font-size: 0.82rem;
    font-family: var(--atp-font-mono);
    white-space: nowrap;
}

.atp-chip-provider {
    font-family: var(--atp-font-body);
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--atp-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.atp-chip-remove {
    background: none;
    border: none;
    color: var(--atp-text-muted);
    font-size: 1.1rem;
    line-height: 1;
    padding: 0 0.15rem;
    cursor: pointer;
    opacity: 0.6;
}

.atp-chip-remove:hover {
    opacity: 1;
    color: var(--atp-red-muted);
}

/* ---- Compare: Table ---- */

.atp-compare-table {
    table-layout: fixed;
}

.atp-compare-label-col {
    width: 180px;
}

.atp-compare-model-header {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    align-items: center;
}

.atp-compare-model-header .atp-model-name {
    font-size: 0.78rem;
    word-break: break-all;
}

.atp-compare-section-row td {
    background: var(--atp-nav-bg) !important;
    color: #fff;
    font-weight: 600;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.5rem 0.75rem;
    border: none;
}

.atp-compare-label {
    font-weight: 600;
    font-size: 0.82rem;
    color: var(--atp-text);
    white-space: nowrap;
}

/* ---- Compare: Highlights ---- */

.atp-cell-best {
    background: var(--atp-green-bg) !important;
    color: var(--atp-green);
    font-weight: 600;
}

.atp-cell-worst {
    background: var(--atp-red-bg) !important;
    color: var(--atp-red-muted);
}

/* ---- Compare: Check/X ---- */

.atp-check-yes {
    color: var(--atp-green);
    font-weight: 600;
    font-size: 1rem;
}

.atp-check-no {
    color: var(--atp-red-muted);
    opacity: 0.5;
    font-size: 1rem;
}

/* ---- Responsive ---- */

@media (max-width: 768px) {
    .atp-page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .atp-filter-bar {
        width: 100%;
    }

    .atp-select {
        min-width: 0;
        flex: 1;
    }

    .atp-title {
        font-size: 1.5rem;
    }

    .atp-table {
        font-size: 0.78rem;
    }

    .atp-model-name {
        font-size: 0.75rem;
    }

    .atp-compare-table {
        table-layout: auto;
        font-size: 0.78rem;
    }

    .atp-compare-label-col {
        width: auto;
    }

    .atp-compare-search-wrap {
        max-width: 100%;
    }
}