:root {
    /* Brand palette (from icon-512.png) */
    --nhp-navy: #1b3b5f;
    --nhp-navy-dark: #132c48;
    --nhp-orange: #e2661a;
    --nhp-orange-dark: #c9550f;
    --nhp-sky: #4a9fd4;
    --nhp-sky-dark: #3b87ba;
    --nhp-terracotta: #8f3417;
    --nhp-terracotta-dark: #732811;
    --nhp-pale: #eef4f9;
    --nhp-border: #d3e2ee;

    /* Drive Pico's accents from the brand navy */
    --pico-primary: var(--nhp-navy);
    --pico-primary-background: var(--nhp-navy);
    --pico-primary-border: var(--nhp-navy);
    --pico-primary-hover: var(--nhp-navy-dark);
    --pico-primary-hover-background: var(--nhp-navy-dark);
    --pico-primary-hover-border: var(--nhp-navy-dark);
    --pico-primary-focus: rgba(27, 59, 95, 0.25);
    --pico-primary-underline: rgba(27, 59, 95, 0.5);

    --pico-form-element-spacing-vertical: 0.25rem;
}

body {
    margin-top: 20px;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 40px;
}
.header-logo {
    width: 72px;
    height: 72px;
    margin: 0 auto 0.25rem;
    display: block;
}
.header h1 {
    color: var(--nhp-navy);
    letter-spacing: -0.01em;
    margin-bottom: 0;
}
.header h1 a {
    text-decoration: none;
    color: inherit;
}

.login-form {
    max-width: 400px;
    margin: 0 auto;
}
.game-list {
    margin-top: 30px;
}
.game {
    border: 1px solid var(--nhp-border);
    border-left: 3px solid var(--nhp-navy);
    border-radius: 6px;
    padding: 14px 16px;
    margin-bottom: 20px;
}
.player-list li {
    overflow: hidden;
}
.player-list {
    margin-top: 10px;
}

/* Buttons */
.button-primary {
    background-color: var(--nhp-orange);
    border-color: var(--nhp-orange);
    color: #fff;
}
.button-primary:hover,
.button-primary:focus {
    background-color: var(--nhp-orange-dark);
    border-color: var(--nhp-orange-dark);
    color: #fff;
}
.button-secondary {
    color: #fff;
    background-color: var(--nhp-sky);
    border-color: var(--nhp-sky);
}
.button-secondary:hover,
.button-secondary:focus {
    color: #fff;
    background-color: var(--nhp-sky-dark);
    border-color: var(--nhp-sky-dark);
}
.button-warning {
    color: #fff;
    background-color: var(--nhp-terracotta);
    border-color: var(--nhp-terracotta);
}
.button-warning:hover,
.button-warning:focus {
    color: #fff;
    background-color: var(--nhp-terracotta-dark);
    border-color: var(--nhp-terracotta-dark);
}
button[type="submit"] {
    padding: calc(var(--pico-form-element-spacing-vertical) * 2)
        calc(var(--pico-form-element-spacing-horizontal) * 2);
}
a[role="button"] {
    padding: calc(var(--pico-form-element-spacing-vertical) * 2)
        calc(var(--pico-form-element-spacing-horizontal) * 2);
}
.button-sm {
    font-size: 0.75rem;
    padding: 4px 10px;
    height: auto;
    line-height: 1.4;
    margin: 0;
}

/* Spacing */
.mt-sm {
    margin-top: 10px;
}
.mt-md {
    margin-top: 14px;
}
.mt-lg {
    margin-top: 30px;
}
.mb-md {
    margin-bottom: 20px;
}
.ml-sm {
    margin-left: 10px;
}

/* Layout */
.centered {
    text-align: center;
}
.form-inline {
    display: inline;
}

/* Grid */
.grid-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}
.col-12 {
    flex: 0 0 100%;
}
.col-6 {
    flex: 0 0 calc(50% - 0.5rem);
}
.col-4 {
    flex: 0 0 calc(33.333% - 0.667rem);
}

@media (max-width: 600px) {
    .col-6,
    .col-4 {
        flex: 0 0 100%;
    }
}

/* Typography */
.text-sm {
    font-size: 0.75rem;
}
.text-muted {
    color: #666;
    font-size: 0.85em;
}
.text-faint {
    color: #999;
}
.text-dim {
    color: #555;
}
.text-strikethrough {
    text-decoration: line-through;
    color: #999;
}

/* Badges */
.badge-cancelled {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: bold;
    color: #fff;
    background-color: var(--nhp-terracotta);
    padding: 2px 8px;
    border-radius: 4px;
    vertical-align: middle;
    margin-left: 0.5rem;
}
.badge-game-on {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: bold;
    color: #fff;
    background-color: var(--nhp-orange);
    padding: 2px 8px;
    border-radius: 4px;
    vertical-align: middle;
}

/* Anonymous game list */
.anon-cta {
    text-align: center;
    margin-bottom: 1.5rem;
}
.anon-game-list {
    margin-top: 1rem;
    margin-bottom: 2rem;
}
.anon-game-list h4 {
    margin-bottom: 0.5rem;
}
.anon-game-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 8px 10px;
    margin-bottom: 8px;
    border: 1px solid var(--nhp-border);
    border-radius: 4px;
    background-color: var(--nhp-pale);
}
.anon-game-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.anon-game-confirmed {
    color: #555;
    font-size: 0.9em;
}
.create-game-form {
    margin: 0 auto;
}
.response-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.5rem;
}
.response-buttons button {
    width: auto;
}

/* Admin: player lists */
.player-list-reset {
    list-style: none;
    padding: 0;
}
.player-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
}
.player-item {
    margin-bottom: 4px;
}
.game-title {
    margin-bottom: 6px;
}

/* Index */
.qr-image {
    width: 12rem;
}

/* Captcha */
.captcha {
    text-align: center;
}
.captcha input[type="radio"] {
    display: none;
}
.captcha label {
    display: inline-block;
    font-size: 2rem;
}
.captcha label span {
    border: 2px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    transition: border 0.2s;
}
.captcha label input[type="radio"]:checked + span {
    border: 2px solid var(--nhp-navy);
}
.captcha-icon {
    font-size: 2em;
}

/* Game table: location tabs */
.tabs {
    margin: 0 auto;
}
.tabs input[type="radio"] {
    display: none;
}
.tabs > label {
    display: inline-block;
    padding: 10px 24px;
    background: var(--nhp-pale);
    color: var(--nhp-navy);
    cursor: pointer;
    border-top-left-radius: 5px;
    border-top-right-radius: 5px;
    margin-right: 2px;
    transition: background 0.2s;
    position: relative;
    top: 2px;
}
.tabs > label:hover {
    background: var(--nhp-border);
}
.tabs input[type="radio"]:checked + label {
    background: var(--nhp-navy);
    color: #fff;
    font-weight: bold;
    border-bottom: 2px solid var(--nhp-navy);
    z-index: 2;
}
.tab-content {
    display: none;
    position: relative;
    top: -2px;
}

/* Stats: legend */
.legend {
    margin-top: 20px;
    font-size: 0.9em;
    color: #666;
}

/* Stats: table */
.stats-table {
    margin-top: 20px;
    border-collapse: collapse;
}
.stats-table th,
.stats-table td {
    text-align: center;
    padding: 8px 12px;
    border: 1px solid var(--nhp-border);
}
.stats-table th {
    background-color: var(--nhp-pale);
    font-weight: bold;
}
.stats-table td:first-child {
    text-align: left;
}
.stats-summary {
    background-color: var(--nhp-pale);
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 20px;
    text-align: center;
}
.yes-rate-high {
    color: #27ae60;
    font-weight: bold;
}
.yes-rate-medium {
    color: #f39c12;
    font-weight: bold;
}
.yes-rate-low {
    color: #e74c3c;
    font-weight: bold;
}

/* Flash messages */
.message {
    padding: 10px 15px;
    margin-bottom: 15px;
    border-radius: 4px;
    border: 1px solid transparent;
    font-size: 0.9em;
}
.message.success {
    background-color: #dff0d8;
    border-color: #c3e6cb;
    color: #155724;
}
.message.error {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}
.message.warning {
    background-color: #fff3cd;
    border-color: #ffeeba;
    color: #856404;
}
.message.info {
    background-color: #d1ecf1;
    border-color: #bee5eb;
    color: #0c5460;
}

/* Nav */
.site-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
    margin-top: 10px;
}
.site-nav a[role="button"],
.site-nav button {
    margin: 0;
}
.nav-active {
    font-weight: bold;
    text-decoration: underline;
}

/* Offline banner (PWA) */
.offline-banner[hidden] {
    display: none;
}
.offline-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    background-color: #fff3cd;
    border: 1px solid #ffeeba;
    color: #856404;
    padding: 10px 15px;
    border-radius: 4px;
    margin-bottom: 15px;
    font-size: 0.9em;
}
.offline-banner-close {
    background: none;
    border: none;
    color: inherit;
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
    padding: 0 6px;
    margin: 0;
    width: auto;
}

/* Offline page */
.offline-wrap {
    max-width: 480px;
    margin: 4rem auto;
    text-align: center;
}
.offline-icon {
    width: 96px;
    height: 96px;
}
.offline-wrap h1 {
    color: var(--nhp-navy);
}