:root {
    --accent: #1cad75;
    /* WagerWise green */
    --bg: #191919;
    /* site background */
    --card: #121212;
    /* card surface */
    --text: #f1f1f1;
    /* main text */
    --muted: #b9b9b9;
    /* secondary text */
    --border: #2a2a2a;
    /* borders */
    --shadow: 0 10px 30px rgba(0, 0, 0, .35);
    --shadow-soft: 0 6px 22px rgba(28, 173, 117, .35);
}

/* Global */
html {
    scroll-behavior: smooth
}

.baseholder {
    background: var(--bg);
    color: var(--text);
    font-family: "Inter", system-ui, Arial, sans-serif;
}

.top-section {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px
}

/* Container with fluid spacing */
.container {
    max-width: min(1120px, 100%);
    margin: clamp(16px, 4vw, 40px) auto;
    padding: 0 clamp(12px, 3.2vw, 20px)
}

.page-head {
    margin-bottom: 18px
}

.page-title {
    text-align: center;
    font-size: clamp(1.5rem, 1.2rem + 1.5vw, 2.25rem);
    margin: 8px 0 10px;
}

.lead {
    text-align: center;
    color: var(--muted);
    max-width: 880px;
    margin: 0 auto 12px;
    line-height: 1.7;
    font-size: clamp(.95rem, .9rem + .4vw, 1.05rem);
}

/* Tabs */
.tabs {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
    margin: 18px 0
}

.tab-btn {
    border: 1px solid var(--border);
    background: #0f0f0f;
    color: #fff;
    padding: 10px 14px;
    border-radius: 999px;
    cursor: pointer;
    transition: .2s;
}

.tab-btn:hover {
    transform: translateY(-1px);
    border-color: var(--accent)
}

.tab-btn.active {
    background: var(--accent);
    color: #0b0b0b;
    border-color: var(--accent);
    box-shadow: var(--shadow-soft)
}

/* Cards grid */
.grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin: 12px 0 22px
}

@media (max-width:1000px) {
    .grid {
        grid-template-columns: repeat(2, 1fr)
    }
}

@media (max-width:560px) {
    .grid {
        grid-template-columns: 1fr
    }
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 16px;
    box-shadow: var(--shadow)
}

.card h3 {
    margin: 6px 0 6px;
    font-size: 1.05rem
}

.pill {
    display: inline-block;
    padding: 4px 9px;
    border-radius: 999px;
    font-size: .82rem;
    border: 1px solid var(--border);
    color: #eee
}

.range {
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 4px
}

.note {
    color: var(--muted);
    font-size: .9rem;
    margin-top: 6px
}

/* Panels */
.flex {
    display: flex;
    gap: 14px;
    align-items: stretch;
    flex-wrap: wrap
}

.panel {
    flex: 1 1 480px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 18px;
    box-shadow: var(--shadow)
}

.panel h2 {
    margin: 0 0 12px;
    font-size: clamp(1.1rem, 1rem + .5vw, 1.35rem)
}

/* Table */
.table-wrap {
    overflow: auto;
    border-radius: 12px;
    border: 1px solid var(--border)
}

#mbr-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 680px
}

#mbr-table th,
#mbr-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    text-align: left
}

#mbr-table th {
    background: #0f0f0f;
    position: sticky;
    top: 0;
    z-index: 1
}

#mbr-table tr:nth-child(even) td {
    background: rgba(255, 255, 255, .03)
}

#mbr-table tr:hover td {
    background: rgba(255, 255, 255, .06)
}

.badge {
    font-size: .8rem;
    padding: 3px 8px;
    border-radius: 6px;
    background: rgba(28, 173, 117, .15);
    color: #c9ffe8;
    border: 1px solid rgba(28, 173, 117, .45)
}

/* Calculator */
.calc-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap
}

.calc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px
}

@media (max-width:740px) {
    .calc-grid {
        grid-template-columns: 1fr
    }
}

label {
    font-size: .95rem;
    color: #eee
}

.input,
select {
    width: 100%;
    background: #0f0f0f;
    color: #fff;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px 12px;
    font-size: 1rem;
    outline: none;
    transition: .15s
}

.input:focus,
select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(28, 173, 117, .25)
}

/* Number input steppers hidden */
input[type=number]::-webkit-outer-spin-button,
input[type=number]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type=number] {
    -moz-appearance: textfield;
}

.btn-row {
    display: flex;
    gap: 10px;
    margin-top: 12px;
    flex-wrap: wrap
}

.btn {
    background: var(--accent);
    color: #0b0b0b;
    border: none;
    border-radius: 12px;
    padding: 11px 14px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: var(--shadow-soft)
}

.btn:hover {
    transform: translateY(-1px)
}

.btn.secondary {
    background: transparent;
    color: #fff;
    border: 1px solid var(--border);
    box-shadow: none
}

.result {
    background: #0f0f0f;
    border: 1px dashed var(--border);
    border-radius: 12px;
    padding: 12px
}

.result-title {
    margin: 0 0 8px;
    font-size: 1.05rem
}

.hint {
    color: var(--muted);
    font-size: .9rem;
    margin-top: 6px
}

.kbd {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    background: #0f0f0f;
    border: 1px solid var(--border);
    padding: 2px 6px;
    border-radius: 6px
}

.muted {
    color: var(--muted)
}

/* Chips */
.chip-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap
}

.chip {
    background: #0f0f0f;
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 6px 10px;
    color: #fff;
    font-size: .92rem;
    cursor: pointer
}

.chip.chip-active {
    background: var(--accent);
    color: #0b0b0b;
    border-color: var(--accent)
}

/* EV toggle */
.ev-toggle {
    margin-top: 10px;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 8px 12px;
    background: #0f0f0f
}

.ev-toggle summary {
    cursor: pointer;
    list-style: none;
    font-weight: 600
}

.ev-toggle summary::-webkit-details-marker {
    display: none
}

.sum-icon {
    display: inline-block;
    transform: translateY(-1px);
    margin-right: 6px
}

.ev-toggle[open] .sum-icon {
    transform: rotate(90deg)
}

.ev-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 8px
}

.ev {
    margin-top: 6px;
    font-weight: 700
}

/* Examples */
.example-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 10px
}

@media (max-width:920px) {
    .example-cards {
        grid-template-columns: 1fr 1fr
    }
}

@media (max-width:560px) {
    .example-cards {
        grid-template-columns: 1fr
    }
}

.ex-card {
    background: #0f0f0f;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px
}

.ex-card h3 {
    margin: 0 0 6px;
    font-size: 1rem
}

/* Hero tip */
.hero {
    text-align: center;
    margin: 10px 0 26px
}

.hero em {
    color: #c9ffe8
}