/* ═════════════════════════════════════════
   Calculator Pages — Shared Styles
   Inherits design tokens from styles.css
   ═════════════════════════════════════════ */

/* ─── Page Layout ─── */
.calc-page {
    padding-top: 120px;
    min-height: 100vh;
}

.calc-hero {
    text-align: center;
    padding: 2rem 0 3rem;
}

.calc-hero h1 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 900;
    letter-spacing: -.03em;
    line-height: 1.15;
    margin-bottom: .5rem;
}

.calc-hero p {
    color: var(--t2);
    font-size: clamp(.95rem, 1.8vw, 1.1rem);
    max-width: 600px;
    margin: 0 auto;
}

.calc-nav-pills {
    display: flex;
    justify-content: center;
    gap: .5rem;
    margin-bottom: 2rem;
}

.calc-nav-pill {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .55rem 1.3rem;
    border-radius: 99px;
    font-size: .85rem;
    font-weight: 600;
    border: 1px solid var(--brd2);
    background: var(--glass);
    color: var(--t2);
    text-decoration: none;
    transition: all .25s;
}

.calc-nav-pill:hover {
    color: var(--t1);
    border-color: var(--c1);
    background: var(--glass2);
}

.calc-nav-pill.active {
    background: linear-gradient(135deg, var(--c1), var(--c1b));
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 16px rgba(37, 99, 235, .2);
}

[data-theme="dark"] .calc-nav-pill.active {
    color: #0a0e1a;
}

/* ─── Calculator Grid ─── */
.calc-grid {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 2rem;
    align-items: start;
}

/* ─── Input Panel ─── */
.calc-inputs {
    background: var(--glass);
    border: 1px solid var(--brd);
    border-radius: 20px;
    padding: 1.75rem;
    box-shadow: var(--sh);
    position: sticky;
    top: 120px;
}

.calc-inputs h2 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: .5rem;
}

.input-group {
    margin-bottom: 1rem;
}

.input-group:last-of-type {
    margin-bottom: 0;
}

.input-group label {
    display: block;
    font-size: .8rem;
    font-weight: 600;
    color: var(--t2);
    margin-bottom: .35rem;
    letter-spacing: .02em;
}

.input-group input {
    width: 100%;
    padding: .65rem .9rem;
    border: 1px solid var(--brd2);
    border-radius: 10px;
    background: var(--bg);
    color: var(--t1);
    font-family: 'Inter', system-ui, sans-serif;
    font-size: .92rem;
    font-weight: 500;
    transition: border-color .25s, box-shadow .25s;
    outline: none;
}

.input-group input:focus {
    border-color: var(--c1);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, .12);
}

[data-theme="dark"] .input-group input:focus {
    box-shadow: 0 0 0 3px rgba(96, 165, 250, .15);
}

.input-group .input-hint {
    font-size: .72rem;
    color: var(--t3);
    margin-top: .25rem;
}

.input-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .75rem;
}

.calc-btn {
    width: 100%;
    padding: .8rem 1.5rem;
    margin-top: 1.25rem;
    border-radius: 12px;
    border: none;
    background: linear-gradient(135deg, var(--c1), var(--c1b));
    color: #fff;
    font-family: 'Inter', system-ui, sans-serif;
    font-size: .92rem;
    font-weight: 700;
    cursor: pointer;
    transition: all .25s;
    box-shadow: 0 4px 16px rgba(37, 99, 235, .2);
}

[data-theme="dark"] .calc-btn {
    color: #0a0e1a;
}

.calc-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(37, 99, 235, .3);
}

/* ─── Results Panel ─── */
.calc-results {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Results Stats Grid */
.results-stats {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: .75rem;
}

.stat-card {
    background: var(--glass);
    border: 1px solid var(--brd);
    border-radius: 14px;
    padding: 1.1rem 1.25rem;
    transition: all .25s;
}

.stat-card:hover {
    border-color: var(--brd2);
    transform: translateY(-2px);
    box-shadow: var(--sh);
}

.stat-card .stat-label {
    display: block;
    font-size: .72rem;
    font-weight: 600;
    color: var(--t3);
    text-transform: uppercase;
    letter-spacing: .08em;
    margin-bottom: .25rem;
}

.stat-card .stat-value {
    display: block;
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -.02em;
    color: var(--t1);
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    background-clip: unset;
}

.stat-card.positive .stat-value {
    color: var(--c2);
}

.stat-card.negative .stat-value {
    color: #ef4444;
}

.stat-card.accent .stat-value {
    background: linear-gradient(135deg, var(--c1b), var(--c2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ─── Chart Container ─── */
.chart-container {
    background: var(--glass);
    border: 1px solid var(--brd);
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: var(--sh);
}

.chart-container h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: .5rem;
}

.chart-wrapper {
    position: relative;
    width: 100%;
    height: 320px;
}

.chart-wrapper canvas {
    width: 100% !important;
    height: 100% !important;
    border-radius: 12px;
}

/* ─── Scenario Table ─── */
.scenario-container {
    background: var(--glass);
    border: 1px solid var(--brd);
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: var(--sh);
    overflow: hidden;
}

.scenario-container h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: .5rem;
}

.scenario-table-wrap {
    overflow-x: auto;
    border-radius: 12px;
    border: 1px solid var(--brd);
}

.scenario-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .85rem;
}

.scenario-table thead {
    background: var(--bg3);
}

.scenario-table th {
    padding: .7rem 1rem;
    text-align: right;
    font-weight: 700;
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--t3);
    white-space: nowrap;
}

.scenario-table th:first-child {
    text-align: left;
}

.scenario-table td {
    padding: .6rem 1rem;
    text-align: right;
    color: var(--t2);
    border-top: 1px solid var(--brd);
    white-space: nowrap;
}

.scenario-table td:first-child {
    text-align: left;
    font-weight: 600;
    color: var(--t1);
}

.scenario-table tbody tr:hover {
    background: var(--bg3);
}

.scenario-table .profit {
    color: var(--c2);
    font-weight: 600;
}

.scenario-table .loss {
    color: #ef4444;
    font-weight: 600;
}

.scenario-table .breakeven-row {
    background: rgba(37, 99, 235, .05);
    font-weight: 600;
}

[data-theme="dark"] .scenario-table .breakeven-row {
    background: rgba(96, 165, 250, .06);
}

/* ─── Disclaimer ─── */
.calc-disclaimer {
    background: var(--bg3);
    border: 1px solid var(--brd);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    font-size: .78rem;
    color: var(--t3);
    line-height: 1.6;
    text-align: center;
}

/* ─── Empty state ─── */
.calc-empty {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--t3);
}

.calc-empty .empty-icon {
    font-size: 2.5rem;
    margin-bottom: .75rem;
    opacity: .5;
}

.calc-empty p {
    font-size: .9rem;
}

/* ═════════════════════════════════════════
   RESPONSIVE
   ═════════════════════════════════════════ */
@media (max-width: 960px) {
    .calc-grid {
        grid-template-columns: 1fr;
    }

    .calc-inputs {
        position: static;
    }

    .chart-wrapper {
        height: 260px;
    }
}

@media (max-width: 600px) {
    .calc-page {
        padding-top: 100px;
    }

    .calc-hero {
        padding: 1.5rem 0 2rem;
    }

    .calc-nav-pills {
        flex-direction: column;
        align-items: center;
    }

    .calc-nav-pill {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .input-row {
        grid-template-columns: 1fr;
    }

    .results-stats {
        grid-template-columns: 1fr 1fr;
    }

    .chart-wrapper {
        height: 220px;
    }

    .scenario-table th,
    .scenario-table td {
        padding: .5rem .6rem;
        font-size: .78rem;
    }
}

@media (max-width: 400px) {
    .results-stats {
        grid-template-columns: 1fr;
    }
}

/* ═════════════════════════════════════════
   NEW CALCULATOR COMPONENTS
   ═════════════════════════════════════════ */

/* ─── Toggle Buttons (Roll type / Option type) ─── */
.toggle-row {
    display: flex;
    gap: .5rem;
}

.toggle-btn {
    flex: 1;
    padding: .5rem .75rem;
    border: 1px solid var(--brd2);
    border-radius: 8px;
    background: var(--bg);
    color: var(--t2);
    font-family: 'Inter', system-ui, sans-serif;
    font-size: .8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all .2s;
}

.toggle-btn:hover {
    border-color: var(--c1);
    color: var(--t1);
}

.toggle-btn.active {
    background: linear-gradient(135deg, var(--c1), var(--c1b));
    color: #fff;
    border-color: transparent;
    box-shadow: 0 2px 8px rgba(37, 99, 235, .2);
}

[data-theme="dark"] .toggle-btn.active {
    color: #0a0e1a;
}

/* ─── Section Labels (within inputs) ─── */
.input-section-label {
    font-size: .72rem;
    font-weight: 700;
    color: var(--t3);
    text-transform: uppercase;
    letter-spacing: .1em;
    margin-bottom: .75rem;
    margin-top: .5rem;
    padding-bottom: .35rem;
    border-bottom: 1px solid var(--brd);
}

/* ─── Breakeven Visual Bar ─── */
.breakeven-visual {
    padding: 1.5rem 0;
}

.be-bar {
    display: flex;
    height: 40px;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
}

.be-zone {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 30px;
    transition: width .3s;
}

.be-zone span {
    font-size: .7rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding: 0 .5rem;
}

.be-loss {
    background: rgba(239, 68, 68, .2);
    color: #ef4444;
}

.be-buffer {
    background: rgba(245, 158, 11, .2);
    color: var(--warn);
}

.be-safe {
    background: rgba(34, 197, 94, .2);
    color: var(--c2);
}

.be-markers {
    position: relative;
    height: 50px;
    margin-top: .25rem;
}

.be-marker {
    position: absolute;
    transform: translateX(-50%);
}

.be-marker-line {
    width: 2px;
    height: 16px;
    background: var(--c1);
    margin: 0 auto;
}

.be-marker-line.be-marker-stock {
    background: var(--t1);
}

.be-marker-line.be-marker-strike {
    background: var(--c2);
}

.be-marker-label {
    font-size: .68rem;
    font-weight: 600;
    color: var(--t2);
    white-space: nowrap;
    text-align: center;
    margin-top: .2rem;
}

/* ─── Wider nav pills for 6 items ─── */
@media (max-width: 960px) {
    .calc-nav-pills {
        flex-wrap: wrap;
    }
}

@media (max-width: 600px) {
    .calc-nav-pills {
        flex-direction: column;
    }

    .toggle-row {
        flex-direction: column;
    }

    .be-zone span {
        font-size: .6rem;
    }
}