:root {
    --color-primary: #000000;
    --color-primary-soft: #171717;
    --color-secondary: #FFFFFF;
    --color-background: #F4F4F4;
    --color-surface: #FFFFFF;
    --color-border: #D9D9D9;
    --color-text: #111111;
    --color-text-muted: #6B7280;

    --color-success: #198754;
    --color-warning: #F59E0B;
    --color-info: #0D6EFD;
    --color-danger: #DC3545;

    /* Alias de compatibilidad */
    --brand-primary: var(--color-primary);
    --brand-secondary: var(--color-primary-soft);
    --surface: var(--color-background);
    --ink: var(--color-text);
}

* {
    box-sizing: border-box;
}

body.app-body {
    background: var(--color-background);
    color: var(--color-text);
    min-height: 100vh;
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
}

.app-navbar {
    background: var(--color-primary);
    border-bottom: 3px solid var(--color-primary-soft);
}

.app-navbar .navbar-brand,
.app-navbar .nav-link {
    color: var(--color-secondary) !important;
}

.navbar-logo {
    height: 42px;
    width: auto;
    display: block;
}

.navbar-brand-text {
    font-size: .95rem;
}

@media (max-width: 576px) {
    .navbar-brand-text {
        display: none;
    }
}

.app-navbar .nav-link.active,
.app-navbar .nav-link:hover {
    color: #fff !important;
    opacity: 1;
}

.app-navbar .nav-link.disabled {
    opacity: .45;
}

.app-navbar .btn-outline-light {
    border-color: rgba(255, 255, 255, .55);
}

.btn-brand,
.btn-primary {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-secondary);
}

.btn-brand:hover,
.btn-brand:focus,
.btn-primary:hover,
.btn-primary:focus {
    background: var(--color-primary-soft);
    border-color: var(--color-primary-soft);
    color: var(--color-secondary);
}

.btn-outline-brand {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: transparent;
}

.btn-outline-brand:hover {
    background: var(--color-primary);
    color: var(--color-secondary);
}

.stat-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: .75rem;
    padding: 1rem 1.1rem;
    height: 100%;
}

.stat-icon {
    width: 2.2rem;
    height: 2.2rem;
    border-radius: .55rem;
    display: grid;
    place-items: center;
    margin-bottom: .6rem;
    background: #111;
    color: #fff;
}

.stat-card.tone-success .stat-icon { background: var(--color-success); }
.stat-card.tone-warning .stat-icon { background: var(--color-warning); color: #111; }
.stat-card.tone-info .stat-icon { background: var(--color-info); }
.stat-card.tone-secondary .stat-icon { background: #4b5563; }
.stat-card.tone-danger .stat-icon { background: var(--color-danger); }

.stat-value {
    font-size: 1.6rem;
    font-weight: 700;
    line-height: 1;
    color: var(--color-text);
}

.stat-label {
    font-size: .85rem;
    color: var(--color-text-muted);
    margin-top: .35rem;
}

.panel {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: .75rem;
    overflow: hidden;
}

.panel-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--color-border);
    background: #fafafa;
}

.panel-body {
    padding: 1.25rem;
}

.empty-state {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--color-text-muted);
}

.empty-state i {
    font-size: 2rem;
    color: var(--color-primary);
    opacity: .75;
    display: block;
    margin-bottom: .75rem;
}

.chip {
    display: inline-flex;
    align-items: center;
    padding: .35rem .7rem;
    border-radius: .4rem;
    background: #111;
    color: #fff;
    font-size: .85rem;
    font-weight: 600;
}

.chip-inactive {
    background: #9ca3af;
    color: #fff;
}

.chip .btn-link {
    color: inherit !important;
    line-height: 1;
    vertical-align: baseline;
}

.badge-estado {
    font-weight: 600;
    letter-spacing: .01em;
}

.guest-body {
    min-height: 100vh;
    margin: 0;
    background:
        linear-gradient(180deg, #000 0%, #171717 42%, #2a2a2a 100%);
    display: grid;
    place-items: center;
    padding: 1.5rem;
}

.guest-wrap {
    width: 100%;
    max-width: 440px;
}

.guest-wrap.wide {
    max-width: 760px;
}

.login-card,
.public-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 1rem;
    padding: 2rem 1.75rem;
    color: var(--color-text);
}

.brand-mark {
    width: 3.5rem;
    height: 3.5rem;
    margin-inline: auto;
    border-radius: .75rem;
    display: grid;
    place-items: center;
    background: #000;
    color: #fff;
    font-size: 1.6rem;
    border: 2px solid #fff;
}

.brand-mark-logo {
    width: auto;
    height: auto;
    max-width: 260px;
    padding: .85rem 1.1rem;
    border-radius: 1rem;
}

.login-logo {
    width: 210px;
    max-width: 100%;
    height: auto;
    display: block;
}

.print-logo {
    display: flex;
    justify-content: center;
    margin-bottom: 1rem;
}

.print-logo-img {
    width: 240px;
    max-width: 80%;
    height: auto;
    background: #000;
    padding: .75rem 1rem;
    border-radius: .75rem;
}

.form-label {
    font-weight: 600;
    color: var(--color-text);
}

.form-control,
.form-select {
    border-color: var(--color-border);
}

.form-control:focus,
.form-select:focus {
    border-color: #111;
    box-shadow: 0 0 0 .2rem rgba(0, 0, 0, .12);
}

.table thead th {
    background: #111;
    color: #fff;
    border-color: #111;
    font-weight: 600;
    white-space: nowrap;
}

.table-hover tbody tr:hover {
    background: #f7f7f7;
}

.page-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
}

.qr-box {
    width: 220px;
    max-width: 100%;
    padding: .75rem;
    border: 1px solid var(--color-border);
    border-radius: .75rem;
    background: #fff;
    text-align: center;
}

.qr-box img {
    width: 100%;
    height: auto;
    display: block;
}

.inscripcion-ok {
    border-left: 4px solid var(--color-success);
}

.text-muted,
.text-secondary {
    color: var(--color-text-muted) !important;
}

@media (max-width: 576px) {
    .login-card,
    .public-card {
        padding: 1.35rem 1.1rem;
    }
}

/* Etapa 3 — operación en campo */
.asistencia-top {
    background: var(--color-background);
    padding-top: .25rem;
    padding-bottom: .5rem;
    z-index: 1020;
}

.asistencia-card {
    display: flex;
    gap: 1rem;
    justify-content: space-between;
    align-items: center;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: .75rem;
    padding: 1rem;
    min-height: 96px;
}

.asistencia-card.is-presente {
    border-color: var(--color-success);
    background: #f3faf6;
}

.asistencia-card.is-loading {
    opacity: .6;
    pointer-events: none;
}

.asistencia-actions {
    display: flex;
    flex-direction: column;
    gap: .4rem;
    min-width: 150px;
}

.asistencia-actions .btn {
    white-space: nowrap;
}

.grupo-col {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: .75rem;
    min-height: 420px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.grupo-col-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: .5rem;
    padding: .85rem 1rem;
    border-bottom: 3px solid var(--grupo-color, #111);
    background: #fafafa;
}

.grupo-col-body {
    padding: .75rem;
    flex: 1;
    min-height: 280px;
}

.player-chip {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: .55rem;
    padding: .55rem .7rem;
    margin-bottom: .5rem;
    cursor: grab;
    user-select: none;
}

.player-chip:active {
    cursor: grabbing;
}

.chip-ghost {
    opacity: .4;
}

.equipo-zone {
    min-height: 48px;
}

.min-zone {
    min-height: 220px;
    border: 1px dashed var(--color-border);
    border-radius: .55rem;
    padding: .5rem;
    background: #fafafa;
}

@media (max-width: 768px) {
    .asistencia-card {
        flex-direction: column;
        align-items: stretch;
    }
    .asistencia-actions {
        min-width: 0;
        flex-direction: row;
    }
    .asistencia-actions .btn {
        flex: 1;
    }
}