:root {
    --bg: #f5f7fa;
    --card-bg: #ffffff;
    --text: #1a1a2e;
    --text-muted: #6b7280;
    --border: #e2e8f0;
    --primary: #0f4c75;
    --primary-light: #3282b8;
    --green: #16a34a;
    --green-bg: #f0fdf4;
    --blue: #2563eb;
    --blue-bg: #eff6ff;
    --orange: #ea580c;
    --orange-bg: #fff7ed;
    --red: #dc2626;
    --red-bg: #fef2f2;
    --hot: #dc2626;
    --warm: #ea580c;
    --neutral: #6b7280;
    --cool: #2563eb;
    --cold: #7c3aed;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}

/* ── App Nav Bar ── */
.app-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 12px 20px;
    border-bottom: 1px solid var(--border);
    background: var(--card-bg);
}

.app-nav-logo {
    font-size: 1.4rem;
    font-weight: 800;
    text-decoration: none;
    letter-spacing: -0.3px;
}

.logo-best { color: var(--primary); }
.logo-bid { color: #20C997; }

.app-nav-links {
    display: flex;
    align-items: center;
    gap: 10px;
}

.app-nav-user {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text);
}

.app-nav-link {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    text-decoration: none;
    padding: 6px 16px;
    border: 2px solid var(--primary);
    border-radius: 6px;
    transition: all 0.2s;
}

.app-nav-link:hover {
    background: var(--primary);
    color: white;
}

.app-nav-link-filled {
    background: var(--primary);
    color: white;
}

.app-nav-link-filled:hover {
    opacity: 0.9;
}

/* ── Auth CTA ── */
.auth-cta {
    font-size: 0.85rem;
    color: var(--text-muted);
    padding: 6px 14px;
    background: var(--bg);
    border-radius: 20px;
    border: 1px dashed var(--border);
}

.auth-cta a {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
}

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

/* ── Save button ── */
.save-btn {
    background: var(--green);
}
.save-btn:hover { background: #15803d; }
.save-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ── My Reports ── */
.reports-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.report-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px 20px;
    margin-bottom: 10px;
    transition: box-shadow 0.2s;
}

.report-item:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.report-info {
    flex: 1;
    cursor: pointer;
}

.report-address {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text);
}

.report-date {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.report-actions {
    display: flex;
    gap: 8px;
}

.report-view-btn {
    padding: 6px 14px;
    font-size: 0.8rem;
    font-weight: 600;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

.report-view-btn:hover { background: var(--primary-light); }

.report-delete-btn {
    padding: 6px 14px;
    font-size: 0.8rem;
    font-weight: 600;
    background: none;
    color: var(--red);
    border: 1px solid var(--red);
    border-radius: 6px;
    cursor: pointer;
}

.report-delete-btn:hover {
    background: var(--red-bg);
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 20px;
    transition: max-width 0.3s;
}

.container.wide {
    max-width: 1400px;
}

header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px 0;
}

header h1 {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 4px;
}

.subtitle {
    color: var(--text-muted);
    font-size: 1rem;
}

/* ── Tabs ── */
.tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border);
}

.tab {
    padding: 10px 24px;
    font-size: 0.95rem;
    font-weight: 600;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    color: var(--text-muted);
    transition: all 0.2s;
    margin-bottom: -2px;
}

.tab:hover { color: var(--primary); }
.tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.tab-content { display: none; }
.tab-content.active { display: block; }

/* ── Form ── */
.form-main {
    margin-bottom: 16px;
}

.form-main label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    font-size: 0.95rem;
}

.address-grid {
    display: grid;
    grid-template-columns: 2fr 1.2fr 0.5fr 0.6fr;
    gap: 10px;
    margin-bottom: 12px;
}

.address-grid label {
    display: block;
    font-weight: 600;
    margin-bottom: 4px;
    font-size: 0.85rem;
}

.address-grid input {
    width: 100%;
    padding: 12px 14px;
    font-size: 1rem;
    border: 2px solid var(--border);
    border-radius: 8px;
    outline: none;
    transition: border-color 0.2s;
}

.address-grid input:focus {
    border-color: var(--primary-light);
}

.btn-row {
    margin-bottom: 16px;
}

#analyze-btn {
    padding: 12px 28px;
    font-size: 1rem;
    font-weight: 600;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s;
    white-space: nowrap;
}

#analyze-btn:hover { background: var(--primary-light); }
#analyze-btn:disabled { opacity: 0.6; cursor: not-allowed; }

/* ── Collapsible sections ── */
.form-section {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 10px;
}

.form-section summary {
    padding: 12px 16px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--primary);
    user-select: none;
}

.form-section summary .hint {
    font-weight: 400;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.form-section[open] summary {
    border-bottom: 1px solid var(--border);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 12px;
    padding: 16px;
}

.field label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.field input, .field select {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.9rem;
}

/* ── Quality sliders ── */
.quality-mode {
    padding: 12px 16px;
    display: flex;
    gap: 20px;
    font-size: 0.9rem;
}

.quality-panel { padding: 0 16px 16px; }

.slider-field {
    margin-bottom: 12px;
}

.slider-field label {
    font-size: 0.85rem;
    font-weight: 500;
    display: block;
    margin-bottom: 4px;
}

.slider-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.slider-row input[type="range"] {
    flex: 1;
    accent-color: var(--primary);
}

.slider-val {
    font-weight: 700;
    color: var(--primary);
    min-width: 20px;
    text-align: center;
}

/* ── Loading ── */
.loading-overlay {
    text-align: center;
    padding: 60px 20px;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 16px;
}

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

#loading-msg {
    color: var(--text-muted);
    font-size: 1rem;
}

/* ── Error ── */
.error-banner {
    background: var(--red-bg);
    border: 1px solid #fca5a5;
    border-radius: 8px;
    padding: 16px 20px;
    margin: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}

.error-banner span { color: var(--red); font-size: 0.95rem; }
.error-banner button {
    background: none;
    border: none;
    font-size: 1.4rem;
    cursor: pointer;
    color: var(--red);
    line-height: 1;
}

/* ── Bid Cards ── */
.bid-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin: 30px 0 16px;
}

.bid-card {
    border-radius: 10px;
    padding: 20px 16px;
    text-align: center;
}

.bid-card.green { background: var(--green-bg); border: 2px solid var(--green); }
.bid-card.blue { background: var(--blue-bg); border: 2px solid var(--blue); }
.bid-card.orange { background: var(--orange-bg); border: 2px solid var(--orange); }
.bid-card.red { background: var(--red-bg); border: 2px solid var(--red); }

.bid-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
    margin-bottom: 6px;
}

.bid-card.green .bid-label { color: var(--green); }
.bid-card.blue .bid-label { color: var(--blue); }
.bid-card.orange .bid-label { color: var(--orange); }
.bid-card.red .bid-label { color: var(--red); }

.bid-value {
    font-size: 1.5rem;
    font-weight: 700;
}

.bid-card.green .bid-value { color: var(--green); }
.bid-card.blue .bid-value { color: var(--blue); }
.bid-card.orange .bid-value { color: var(--orange); }
.bid-card.red .bid-value { color: var(--red); }

.bid-sub {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ── Download button ── */
.download-btn {
    padding: 6px 18px;
    font-size: 0.82rem;
    font-weight: 600;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 20px;
    cursor: pointer;
    transition: background 0.2s, opacity 0.2s;
    white-space: nowrap;
}

.download-btn:hover { background: var(--primary-light); }
.download-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ── Badges ── */
.meta-badges {
    display: flex;
    gap: 8px;
    justify-content: center;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.badge {
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-high { background: var(--green-bg); color: var(--green); }
.badge-medium { background: var(--blue-bg); color: var(--blue); }
.badge-low { background: var(--orange-bg); color: var(--orange); }
.badge-hot { background: var(--red-bg); color: var(--hot); }
.badge-warm { background: var(--orange-bg); color: var(--warm); }
.badge-neutral { background: #f3f4f6; color: var(--neutral); }
.badge-cool { background: var(--blue-bg); color: var(--cool); }
.badge-cold { background: #f5f3ff; color: var(--cold); }

/* ── Result Cards ── */
.result-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 16px;
}

.result-card h3 {
    font-size: 0.95rem;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

/* ── Data rows ── */
.data-row {
    display: flex;
    justify-content: space-between;
    padding: 5px 0;
    font-size: 0.9rem;
}

.data-row .label { color: var(--text-muted); }
.data-row .value { font-weight: 600; }

/* ── VS List bars ── */
.vs-row {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.vs-label { width: 130px; font-weight: 500; }
.vs-amount { width: 110px; font-weight: 600; }
.vs-bar-wrap {
    flex: 1;
    height: 24px;
    background: #f1f5f9;
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}

.vs-bar {
    height: 100%;
    border-radius: 4px;
    min-width: 2px;
    transition: width 0.5s;
}

.vs-pct {
    width: 80px;
    text-align: right;
    font-weight: 600;
    font-size: 0.85rem;
}

/* ── Comps Table ── */
.table-wrap { overflow-x: auto; }

#comps-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

#comps-table th {
    background: var(--bg);
    padding: 10px 8px;
    text-align: left;
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-muted);
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
}

#comps-table td {
    padding: 10px 8px;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}

#comps-table tr:hover td { background: #f8fafc; }

.adj-detail {
    font-size: 0.75rem;
    color: var(--text-muted);
    max-width: 220px;
}

.adj-pos { color: var(--green); }
.adj-neg { color: var(--red); }

/* ── Notes ── */
.note-item {
    padding: 8px 12px;
    margin-bottom: 6px;
    border-radius: 6px;
    font-size: 0.9rem;
    background: #fffbeb;
    border-left: 3px solid #f59e0b;
    color: #92400e;
}

/* ── Scanner ── */
.scan-inputs {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 12px;
    margin-bottom: 8px;
}

.scan-inputs label {
    display: block;
    font-weight: 600;
    margin-bottom: 4px;
    font-size: 0.85rem;
}

.scan-inputs input {
    width: 100%;
    padding: 12px 14px;
    font-size: 1rem;
    border: 2px solid var(--border);
    border-radius: 8px;
    outline: none;
}

.scan-inputs input:focus { border-color: var(--primary-light); }

.scan-market-badges {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

#scan-results .result-card:last-child {
    max-width: none;
}

#scan-table {
    font-size: 0.82rem;
}

#scan-table td, #scan-table th {
    white-space: nowrap;
}

#scan-table th.sortable {
    cursor: pointer;
    user-select: none;
}

#scan-table th.sortable:hover {
    color: var(--primary);
}

#scan-table th.sortable::after {
    content: ' \2195';
    font-size: 0.7rem;
    opacity: 0.4;
}

.value-positive { color: var(--green); font-weight: 700; }
.value-negative { color: var(--red); font-weight: 700; }
.sqft-est { opacity: 0.7; font-style: italic; }

/* ── Responsive ── */
@media (max-width: 700px) {
    .bid-cards { grid-template-columns: repeat(2, 1fr); }
    .form-grid { grid-template-columns: 1fr 1fr; }
    .bid-value { font-size: 1.2rem; }
}

@media (max-width: 480px) {
    .bid-cards { grid-template-columns: 1fr; }
    .address-grid { grid-template-columns: 1fr 1fr; }
    .addr-street { grid-column: 1 / -1; }
    #analyze-btn { width: 100%; }
}