:root {
--c-primary:      #B6191B;
--c-primary-dark: #8B1316;
--c-bg:           #FAFAFA;
--c-surface:      #FFFFFF;
--c-text:         #1A1A1A;
--c-muted:        #6B6B6B;
--c-border:       #E5E5E5;
--c-success:      #2E7D32;
--c-danger:       #C62828;
--c-warning:      #ED6C02;
--c-action:       #1976D2;
--c-action-dark:  #0D47A1;

    --font: 'IBM Plex Sans', system-ui, -apple-system, sans-serif;
--radius: 4px;
--gap: 1rem;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: var(--font), sans-serif;
color: var(--c-text);
background: var(--c-bg);
line-height: 1.5;
}

.container {
max-width: 1100px;
margin: 0 auto;
padding: 0 var(--gap);
}

.topbar {
background: var(--c-primary);
color: #fff;
padding: var(--gap) 0;
}

.topbar .container {
display: flex;
justify-content: space-between;
align-items: center;
}

.brand {
color: #fff;
text-decoration: none;
font-weight: 600;
font-size: 1.25rem;
letter-spacing: 0.5px;
}

.topbar nav a {
color: #fff;
text-decoration: none;
margin-left: 1rem;
}
.topbar nav a:hover { text-decoration: underline; }

main { padding: 2rem 0; }

h1 { font-weight: 600; margin-bottom: 0.5rem; }
h2 { font-weight: 500; margin-bottom: 0.75rem; }
.muted { color: var(--c-muted); margin-bottom: 1.5rem; }

.card {
background: var(--c-surface);
border: 1px solid var(--c-border);
border-radius: var(--radius);
padding: 1.5rem;
margin-bottom: 1rem;
}

.card.error { border-left: 4px solid var(--c-danger); }

ul { margin-left: 1.25rem; }
li { margin: 0.25rem 0; }


/* Headerader */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    border: 1px solid var(--c-border);
    background: var(--c-surface);
    color: var(--c-text);
    cursor: pointer;
    font-family: inherit;
    font-size: 0.95rem;
    text-decoration: none;
    transition: background 0.15s, border-color 0.15s;
}
.btn:hover { background: #f0f0f0; }

.btn-primary {
    background: var(--c-action);
    color: #fff;
    border-color: var(--c-action);
}
.btn-primary:hover {
    background: var(--c-action-dark);
    border-color: var(--c-action-dark);
}

.btn-danger {
    background: var(--c-danger);
    color: #fff;
    border-color: var(--c-danger);
}
.btn-danger:hover { background: #a31e1e; border-color: #a31e1e; }

.btn-sm { padding: 0.25rem 0.6rem; font-size: 0.85rem; }

.btn-icon-only        { padding: 0.5rem; }
.btn-sm.btn-icon-only { padding: 0.3rem; }

.btn:disabled,
.btn[disabled] {
    background: #f0f0f0;
    color: var(--c-muted);
    border-color: var(--c-border);
    cursor: not-allowed;
    opacity: 0.7;
}
.btn:disabled,
.btn:disabled:hover {
    background: #e0e0e0;
    color: #999;
    border-color: #d0d0d0;
    cursor: not-allowed;
}

/* Tablas */
.data-table {
    width: 100%;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    border-collapse: collapse;
    overflow: hidden;
}
.data-table th, .data-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--c-border);
}
.data-table th {
    background: #f5f5f5;
    font-weight: 500;
    font-size: 0.85rem;
    color: var(--c-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover { background: #fafafa; }

.actions { white-space: nowrap; }
.actions .btn { margin-right: 0.25rem; }
.inline-form { display: inline; }

/* Formularios */
.form {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    max-width: 600px;
}
.field { margin-bottom: 1rem; }
.field label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.25rem;
    font-size: 0.9rem;
}
.field input {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 1rem;
}
.field input:focus {
    outline: 2px solid var(--c-primary);
    outline-offset: -1px;
    border-color: var(--c-primary);
}
.field small {
    display: block;
    color: var(--c-muted);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}
.field-error {
    color: var(--c-danger);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

.form-actions {
    margin-top: 1.5rem;
    display: flex;
    gap: 0.5rem;
}

/* Alertas (flash messages) */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    border: 1px solid transparent;
}
.alert-success {
    background: #e8f5e9;
    color: #1b5e20;
    border-color: #c8e6c9;
}
.alert-error {
    background: #ffebee;
    color: #b71c1c;
    border-color: #ffcdd2;
}

/* Marcas de estado */

.badge {
    display: inline-block;
    padding: 0.15rem 0.6rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.badge-abierta    { background: #e8f5e9; color: #1b5e20; }
.badge-completa   { background: #fff3e0; color: #b53d00; }
.badge-finalizada { background: #f0f0f0; color: #555; }

.page-header > div { flex: 1; }

.subhead {
    color: var(--c-muted);
    font-size: 0.95rem;
    margin-top: 0.25rem;
}

.card + .card { margin-top: 1rem; }
.card h2 { margin-bottom: 0.75rem; }

/* Modal genérico (para usuarios principalmente) */

.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
}
.modal-backdrop.open { display: flex; }

.modal {
    background: var(--c-surface);
    border-radius: var(--radius);
    padding: 1.5rem;
    max-width: 500px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
}
.modal-header h2 {
    font-size: 1.1rem;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--c-muted);
    line-height: 1;
    padding: 0;
}
.modal-close:hover { color: var(--c-text); }

.modal-list {
    list-style: none;
    margin: 0;
    padding: 0;
}
.modal-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--c-border);
}
.modal-list li:last-child { border-bottom: none; }
.modal-list small { color: var(--c-muted); }
.modal-list a { color: var(--c-text); text-decoration: none; }
.modal-list a:hover strong { color: var(--c-primary); }

.modal-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
}

/* Botón con apariencia de enlace (para hacer texto clicable sin <a>) */
.btn-link {
    background: none;
    border: none;
    color: var(--c-primary);
    cursor: pointer;
    padding: 0;
    font-family: inherit;
    font-size: inherit;
    text-decoration: underline;
}
.btn-link:hover { color: var(--c-primary-dark); }

/* form inline para inscribir + ajax */

.inline-flex-form {
    display: flex;
    gap: 0.5rem;
    align-items: stretch;
}
.inline-flex-form select {
    flex: 1;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 1rem;
    background: var(--c-surface);
}
.inline-flex-form select:focus {
    outline: 2px solid var(--c-primary);
    outline-offset: -1px;
    border-color: var(--c-primary);
}

/* Combo buscable */

.combo {
    position: relative;
    flex: 1;
}

.combo-input {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 1rem;
    background: var(--c-surface);
}
.combo-input:focus {
    outline: 2px solid var(--c-primary);
    outline-offset: -1px;
    border-color: var(--c-primary);
}

.combo-options {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 50;
    margin-top: 2px;
    max-height: 240px;
    overflow-y: auto;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    list-style: none;
    padding: 0.25rem 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.combo.open .combo-options { display: block; }

.combo-options li {
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    font-size: 0.95rem;
}
.combo-options li:hover { background: #f5f5f5; }
.combo-options li small { color: var(--c-muted); margin-left: 0.25rem; }

/* Iconos inline (SVG sprite) */
.icon {
    width: 1em;
    height: 1em;
    flex-shrink: 0;
}

/* Home */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    text-decoration: none;
    color: var(--c-text);
    transition: border-color 0.15s, box-shadow 0.15s;
}
a.stat-card:hover {
    border-color: var(--c-action);
    box-shadow: 0 2px 8px rgba(25, 118, 210, 0.08);
}
.stat-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    color: var(--c-muted);
    letter-spacing: 0.5px;
}
.stat-value {
    font-size: 2rem;
    font-weight: 600;
    line-height: 1;
}
.stat-detail {
    font-size: 0.9rem;
    color: var(--c-muted);
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
    align-items: center;
}

/* Responsive */
@media (max-width: 700px) {
    .topbar .container {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-start;
    }
    .topbar nav a { margin-left: 0; margin-right: 1rem; }

    .data-table { font-size: 0.85rem; }
    .data-table th, .data-table td { padding: 0.5rem; }

    .page-header { flex-direction: column; align-items: flex-start; gap: 0.75rem; }

    .inline-flex-form { flex-direction: column; }
    .form-actions { flex-direction: column; }
    .form-actions .btn { width: 100%; justify-content: center; }
}

/* Paginación  */
.pagination {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--c-border);
}
.pagination a,
.pagination .disabled {
    text-decoration: none;
    padding: 0.45rem 0.9rem;
    border-radius: var(--radius);
    border: 1px solid var(--c-border);
    color: var(--c-text);
    transition: border-color 0.15s, background 0.15s;
}
.pagination a:hover {
    border-color: var(--c-action);
    background: rgba(25, 118, 210, 0.05);
}
.pagination .disabled {
    color: var(--c-muted);
    opacity: 0.5;
    pointer-events: none;
}
.pagination .info {
    margin-left: auto;
    color: var(--c-muted);
    font-size: 0.9rem;
}