/* ============================================================
   Cost Analysis — v2 styling (matches landing-v2 dark/techy)
   Scoped to .cost-analysis-page and #cost-results.
   ============================================================ */

.cost-analysis-page {
    --ca-surface: rgba(255, 255, 255, 0.04);
    --ca-surface-2: rgba(255, 255, 255, 0.07);
    --ca-border: rgba(255, 255, 255, 0.10);
    --ca-border-strong: rgba(255, 255, 255, 0.18);
    --ca-text: #eef1fb;
    --ca-text-soft: #b6bdd4;
    --ca-text-dim: #7f88a3;
    --ca-accent: #5b8cff;
    --ca-accent-2: #22d3ee;
    --ca-violet: #8b5cff;
    --ca-good: #34d399;
    --ca-warn: #fbbf24;
    --ca-grad: linear-gradient(120deg, #5b8cff 0%, #22d3ee 55%, #8b5cff 100%);
    --ca-grad-soft: linear-gradient(120deg, rgba(91, 140, 255, .16), rgba(34, 211, 238, .12), rgba(139, 92, 255, .16));
    --ca-radius: 16px;
    --ca-font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--ca-text);
}

[data-theme="light"] .cost-analysis-page {
    --ca-surface: #ffffff;
    --ca-surface-2: #f4f7ff;
    --ca-border: rgba(15, 23, 42, 0.10);
    --ca-border-strong: rgba(15, 23, 42, 0.18);
    --ca-text: #0c1226;
    --ca-text-soft: #3c4663;
    --ca-text-dim: #6b7390;
}

/* ---------- Page header ---------- */
.cost-analysis-page .page-header { display: flex; align-items: center; gap: 16px; margin-bottom: 28px; }
.cost-analysis-page .btn-back {
    background: var(--ca-surface-2); border: 1px solid var(--ca-border-strong); color: var(--ca-text);
    padding: 9px 16px; border-radius: 10px; cursor: pointer; font-weight: 600; font-size: .9rem; transition: all .2s;
}
.cost-analysis-page .btn-back:hover { background: var(--ca-surface); transform: translateX(-2px); }
.cost-analysis-page .page-title { font-family: var(--ca-font-display); font-weight: 700; font-size: 1.8rem; letter-spacing: -.01em; margin: 0; }
.cost-analysis-page .page-subtitle { color: var(--ca-text-soft); margin: 4px 0 0; font-size: .95rem; }

.cost-analysis-container { max-width: 920px; margin: 0 auto; }

/* ---------- Stepper ---------- */
.cost-steps { display: flex; align-items: center; justify-content: center; gap: 8px; margin: 8px 0 28px; }
.cost-step { display: flex; flex-direction: column; align-items: center; gap: 8px; opacity: .55; transition: opacity .25s; }
.cost-step .step-number {
    width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center;
    font-family: var(--ca-font-display); font-weight: 700; font-size: 1rem;
    background: var(--ca-surface-2); border: 1px solid var(--ca-border-strong); color: var(--ca-text-soft);
    transition: all .25s;
}
.cost-step .step-label { font-size: .82rem; font-weight: 500; color: var(--ca-text-soft); }
.cost-step.active { opacity: 1; }
.cost-step.active .step-number { background: var(--ca-grad); border-color: transparent; color: #04122e; box-shadow: 0 6px 20px rgba(91, 140, 255, .4); }
.cost-step.active .step-label { color: var(--ca-text); }
.cost-step.completed { opacity: 1; }
.cost-step.completed .step-number { background: rgba(52, 211, 153, .15); border-color: rgba(52, 211, 153, .4); color: var(--ca-good); font-size: 0; position: relative; }
.cost-step.completed .step-number::after { content: '✓'; font-size: 1.1rem; position: absolute; inset: 0; display: grid; place-items: center; }
.cost-step-line { flex: 1; max-width: 90px; height: 2px; background: var(--ca-border-strong); border-radius: 2px; margin-bottom: 22px; }
.cost-step-line.filled { background: var(--ca-grad); }

/* ---------- Cost info banner ---------- */
.cost-analysis-page .cost-info {
    display: flex; align-items: center; justify-content: center; gap: 10px;
    padding: 12px 18px; border-radius: 12px; margin-bottom: 24px; font-size: .9rem; color: var(--ca-text-soft);
    background: var(--ca-grad-soft); border: 1px solid var(--ca-border);
}
.cost-analysis-page .cost-info strong { color: var(--ca-text); }
.cost-analysis-page .cost-icon { font-size: 1.1rem; }

/* ---------- Upload area ---------- */
.cost-analysis-page .upload-area {
    border: 1.5px dashed var(--ca-border-strong); border-radius: var(--ca-radius);
    background: var(--ca-surface); padding: 48px 24px; text-align: center; cursor: pointer; transition: all .25s;
}
.cost-analysis-page .upload-area:hover,
.cost-analysis-page .upload-area.dragover { border-color: var(--ca-accent); background: var(--ca-surface-2); }
.cost-analysis-page .upload-icon { font-size: 2.4rem; display: block; margin-bottom: 12px; }
.cost-analysis-page .upload-area h3 { font-family: var(--ca-font-display); font-size: 1.2rem; margin: 0 0 6px; color: var(--ca-text); }
.cost-analysis-page .upload-area p { color: var(--ca-text-soft); margin: 0; font-size: .9rem; }
.cost-analysis-page .preview-container { position: relative; max-width: 480px; margin: 20px auto 0; border-radius: var(--ca-radius); overflow: hidden; border: 1px solid var(--ca-border-strong); }
.cost-analysis-page .image-preview { width: 100%; display: block; }
.cost-analysis-page .btn-remove {
    position: absolute; top: 10px; right: 10px; width: 32px; height: 32px; border-radius: 50%;
    background: rgba(0, 0, 0, .6); border: 1px solid var(--ca-border-strong); color: #fff; cursor: pointer; font-size: .9rem;
}

/* ---------- Buttons ---------- */
.cost-analysis-page .btn-primary {
    background: var(--ca-grad); color: #04122e; border: none; border-radius: 12px; font-weight: 600; cursor: pointer;
    box-shadow: 0 8px 26px rgba(91, 140, 255, .32); transition: transform .2s, box-shadow .2s;
}
.cost-analysis-page .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 34px rgba(91, 140, 255, .45); }
.cost-analysis-page .btn-secondary {
    background: var(--ca-surface-2); color: var(--ca-text); border: 1px solid var(--ca-border-strong);
    border-radius: 12px; font-weight: 600; cursor: pointer; transition: all .2s;
}
.cost-analysis-page .btn-secondary:hover { background: var(--ca-surface); }

/* ---------- Config section ---------- */
.cost-config-section {
    background: var(--ca-surface); border: 1px solid var(--ca-border); border-radius: var(--ca-radius);
    padding: 26px; margin-top: 24px;
}
.cost-config-section > h3 { font-family: var(--ca-font-display); color: var(--ca-text); }

/* mode toggle */
.cost-mode-toggle-wrapper { display: flex; flex-direction: column; align-items: center; gap: 8px; margin-bottom: 22px; }
.cost-mode-toggle { display: inline-flex; background: var(--ca-surface-2); border: 1px solid var(--ca-border); border-radius: 999px; padding: 4px; }
.cost-mode-btn {
    border: none; background: none; color: var(--ca-text-soft); padding: 8px 22px; border-radius: 999px;
    font-weight: 600; font-size: .88rem; cursor: pointer; transition: all .2s;
}
.cost-mode-btn.active { background: var(--ca-grad); color: #04122e; }
.cost-mode-hint { color: var(--ca-text-dim); font-size: .82rem; margin: 0; }

/* fields */
.cost-global-fields { margin-bottom: 22px; }
.cost-field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
.cost-field-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.cost-field-group label { font-size: .82rem; font-weight: 600; color: var(--ca-text-soft); }
.cost-analysis-page select,
.cost-analysis-page input[type="text"],
.cost-analysis-page input[type="number"],
.cost-analysis-page textarea {
    background: var(--ca-surface-2); border: 1px solid var(--ca-border-strong); border-radius: 10px;
    color: var(--ca-text); padding: 10px 12px; font-size: .9rem; font-family: inherit; width: 100%; transition: border-color .2s;
}
.cost-analysis-page select:focus,
.cost-analysis-page input:focus,
.cost-analysis-page textarea:focus { outline: none; border-color: var(--ca-accent); box-shadow: 0 0 0 3px rgba(91, 140, 255, .18); }

/* service cards */
.cost-service-card {
    background: var(--ca-surface-2); border: 1px solid var(--ca-border); border-radius: 14px;
    padding: 18px; margin-bottom: 14px; transition: border-color .2s;
}
.cost-service-card:hover { border-color: var(--ca-border-strong); }
.cost-service-card.low-confidence { border-color: rgba(251, 191, 36, .35); }
.cost-service-header { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.cost-service-name-input {
    flex: 1; background: transparent !important; border: none !important; color: var(--ca-text) !important;
    font-family: var(--ca-font-display); font-weight: 600; font-size: 1rem; padding: 4px 0 !important;
}
.cost-service-name-input:focus { box-shadow: none !important; border-bottom: 1px solid var(--ca-accent) !important; border-radius: 0 !important; }
.cost-service-badge {
    font-size: .72rem; font-weight: 700; padding: 3px 10px; border-radius: 999px;
    background: rgba(91, 140, 255, .15); color: var(--ca-accent-2); border: 1px solid var(--ca-border-strong);
}
.cost-service-badge.low-confidence { background: rgba(251, 191, 36, .12); color: var(--ca-warn); }
.cost-service-remove {
    width: 28px; height: 28px; border-radius: 8px; background: var(--ca-surface); border: 1px solid var(--ca-border-strong);
    color: var(--ca-text-soft); cursor: pointer; transition: all .2s;
}
.cost-service-remove:hover { background: rgba(251, 113, 133, .15); color: #fb7185; border-color: rgba(251, 113, 133, .4); }
.cost-service-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.cost-toggle { display: flex; align-items: center; gap: 8px; }
.cost-toggle input[type="checkbox"] { width: auto; }

/* add service */
.cost-add-service {
    width: 100%; padding: 12px; border-radius: 12px; margin-top: 6px; cursor: pointer; font-weight: 600;
    background: transparent; border: 1.5px dashed var(--ca-border-strong); color: var(--ca-text-soft); transition: all .2s;
}
.cost-add-service:hover { border-color: var(--ca-accent); color: var(--ca-text); }
.cost-add-service-picker { display: none; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.cost-add-service-picker.visible { display: flex; }
.cost-add-service-option {
    background: var(--ca-surface-2); border: 1px solid var(--ca-border-strong); color: var(--ca-text-soft);
    padding: 8px 14px; border-radius: 999px; font-size: .85rem; cursor: pointer; transition: all .2s;
}
.cost-add-service-option:hover { border-color: var(--ca-accent); color: var(--ca-text); background: var(--ca-surface); }

/* ---------- Report: score-card style header ---------- */
.car-summary {
    background: linear-gradient(160deg, var(--ca-surface-2), var(--ca-surface));
    border: 1px solid var(--ca-border-strong); border-radius: 20px; padding: 32px;
    text-align: center; margin-bottom: 24px; position: relative; overflow: hidden;
}
.car-summary::before { content: ''; position: absolute; inset: 0; background: var(--ca-grad-soft); opacity: .55; pointer-events: none; }
.car-summary > * { position: relative; }
.car-summary-label { color: var(--ca-text-soft); font-size: .82rem; letter-spacing: .08em; text-transform: uppercase; margin: 0 0 10px; }
.car-summary-amount {
    font-family: var(--ca-font-display); font-weight: 700; font-size: 3.2rem; line-height: 1; margin-bottom: 6px;
    background: var(--ca-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.car-summary-sub { color: var(--ca-text-dim); font-size: .92rem; margin: 0; }
.car-summary-save { display: inline-block; margin-top: 12px; color: var(--ca-good); font-weight: 600; font-size: .95rem;
    background: rgba(52, 211, 153, .12); border: 1px solid rgba(52, 211, 153, .3); padding: 6px 14px; border-radius: 999px; }
.car-summary-desc { color: var(--ca-text-soft); margin: 16px auto 0; font-size: .92rem; max-width: 560px; line-height: 1.6; }
.car-chips {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    gap: 12px; max-width: 560px; margin: 18px auto 0;
}
.car-chip {
    text-align: center; padding: 14px 10px; border-radius: 12px;
    background: var(--ca-surface); border: 1px solid var(--ca-border);
}
.car-chip .hc-num {
    display: block; font-family: var(--ca-font-display); font-weight: 700;
    font-size: 1.25rem; color: var(--ca-text);
}
.car-chip .hc-lbl { display: block; margin-top: 3px; font-size: .72rem; color: var(--ca-text-dim); }
.car-chip-good .hc-num { color: var(--ca-good); }

/* ---------- Savings comparison ---------- */
.savings-comparison-card {
    background: var(--ca-surface); border: 1px solid var(--ca-border); border-radius: var(--ca-radius);
    padding: 26px; margin-bottom: 24px;
}
.savings-title { font-family: var(--ca-font-display); font-size: 1.2rem; margin: 0 0 4px; color: var(--ca-text); }
.savings-subtitle { color: var(--ca-text-soft); font-size: .9rem; margin: 0 0 20px; }
.savings-plans-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; }
.savings-plan-col {
    position: relative; background: var(--ca-surface-2); border: 1px solid var(--ca-border); border-radius: 14px;
    padding: 20px 16px; text-align: center; transition: transform .2s, border-color .2s;
}
.savings-plan-col:hover { transform: translateY(-3px); border-color: var(--ca-border-strong); }
.savings-plan-col.savings-recommended {
    border: 2px solid var(--ca-accent); background: var(--ca-surface-2);
    box-shadow: 0 14px 40px rgba(91, 140, 255, .18);
}
.savings-rec-badge {
    position: absolute; top: -11px; left: 50%; transform: translateX(-50%); white-space: nowrap;
    background: var(--ca-grad); color: #04122e; font-size: .68rem; font-weight: 700; padding: 4px 12px; border-radius: 999px;
}
.savings-plan-header { font-weight: 600; color: var(--ca-text-soft); font-size: .85rem; margin-bottom: 10px; }
.savings-plan-price { font-family: var(--ca-font-display); font-weight: 700; font-size: 1.7rem; color: var(--ca-text); line-height: 1; }
.savings-price-green { color: var(--ca-good); }
.savings-plan-period { color: var(--ca-text-dim); font-size: .78rem; }
.savings-plan-annual { color: var(--ca-text-soft); font-size: .82rem; margin: 8px 0; }
.savings-plan-badge { display: inline-block; font-size: .72rem; font-weight: 700; padding: 3px 10px; border-radius: 999px; color: #fff; }
.savings-badge-green { background: rgba(52, 211, 153, .15); color: var(--ca-good); border: 1px solid rgba(52, 211, 153, .3); }
.savings-plan-save { color: var(--ca-good); font-size: .78rem; margin-top: 8px; font-weight: 500; }
.savings-recommendation {
    margin-top: 18px; padding: 14px 16px; border-radius: 12px; font-size: .9rem; color: var(--ca-text-soft);
    background: var(--ca-grad-soft); border: 1px solid var(--ca-border);
}
.savings-recommendation strong { color: var(--ca-text); }

/* ---------- Report sections ---------- */
.cost-results-wrapper { margin-top: 30px; }
.car-section {
    background: var(--ca-surface); border: 1px solid var(--ca-border); border-radius: var(--ca-radius);
    padding: 24px; margin-bottom: 24px;
}
.car-section-scroll { overflow-x: auto; }
.car-section-title {
    font-family: var(--ca-font-display); font-size: 1.1rem; color: var(--ca-text); margin: 0 0 16px;
    display: flex; align-items: center; gap: 10px;
}
.car-section-count {
    font-family: inherit; font-size: .72rem; font-weight: 600; color: var(--ca-accent-2);
    background: rgba(91, 140, 255, .12); border: 1px solid var(--ca-border-strong); padding: 2px 10px; border-radius: 999px;
}

/* table */
.car-table { width: 100%; border-collapse: collapse; }
.car-th { text-align: left; padding: 10px 8px; color: var(--ca-text-dim); font-size: .78rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: .04em; border-bottom: 1px solid var(--ca-border-strong); white-space: nowrap; }
.car-th-right { text-align: right; }
.car-th-green { color: var(--ca-good); }
.car-td { padding: 11px 8px; font-size: .9rem; color: var(--ca-text-soft); border-bottom: 1px solid var(--ca-border); }
.car-td-right { text-align: right; }
.car-td-name { font-weight: 600; color: var(--ca-text); }
.car-td-config { color: var(--ca-text-soft); }
.car-td-cost { font-weight: 700; color: var(--ca-accent-2); font-family: var(--ca-font-display); }
.car-td-basis { color: var(--ca-text-dim); font-size: .82rem; }
.car-td-green { color: var(--ca-good); }
.car-td-muted { color: var(--ca-text-dim); }
.car-total-row .car-td { border-bottom: none; border-top: 2px solid var(--ca-border-strong); padding-top: 14px; }
.car-td-total-label { font-weight: 700; color: var(--ca-text); font-size: 1rem; }
.car-td-total { font-weight: 700; color: var(--ca-accent-2); font-size: 1.1rem; font-family: var(--ca-font-display); }

/* assumptions */
.car-assumption { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--ca-border); }
.car-assumption:last-child { border-bottom: none; }
.car-assumption-cat {
    font-size: .74rem; font-weight: 600; white-space: nowrap; color: var(--ca-accent-2);
    background: rgba(91, 140, 255, .1); border: 1px solid var(--ca-border-strong); padding: 3px 10px; border-radius: 999px;
}
.car-assumption-text { color: var(--ca-text-soft); flex: 1; font-size: .9rem; }
.car-assumption-val { color: var(--ca-text); font-weight: 500; white-space: nowrap; font-size: .9rem; }

/* tips */
.car-tips { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.car-tip { color: var(--ca-text-soft); font-size: .92rem; padding-left: 26px; position: relative; line-height: 1.5; }
.car-tip::before { content: '💡'; position: absolute; left: 0; top: 0; font-size: .9rem; }

/* disclaimer */
.car-disclaimer {
    background: rgba(251, 191, 36, .08); border: 1px solid rgba(251, 191, 36, .22); border-radius: 12px;
    padding: 14px 18px; margin-bottom: 24px;
}
.car-disclaimer p { color: var(--ca-text-soft); font-size: .84rem; margin: 0; line-height: 1.5; }
.car-disclaimer strong { color: var(--ca-warn); }

/* actions + credits */
.car-actions { text-align: center; margin-bottom: 18px; }
.car-actions .btn-primary { padding: 12px 28px; font-size: .95rem; }
.car-credits { text-align: center; color: var(--ca-text-dim); font-size: .84rem; }

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
    .cost-field-row, .cost-service-fields { grid-template-columns: 1fr; }
    .cost-steps { gap: 4px; }
    .cost-step-line { max-width: 40px; }
    .car-summary-amount { font-size: 2.4rem; }
}