:root {
    --primary-color: #003366;
    --primary-hover: #002244;
    --accent-color: #00fcdf;
    --bg-light: #f4f6f9;
    --text-color: #333333;
    --border-color: #cccccc;
    --danger: #c0392b;
    --danger-hover: #a93226;
    --success: #1e7e34;
    --success-hover: #19692c;
    --warning: #b7791f;
    --muted: #666666;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-light);
    color: var(--text-color);
    min-height: 100vh;
}

/* ========== Login ========== */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #003366 0%, #001122 100%);
}

.login-container {
    background: #ffffff;
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.login-logo {
    width: 72px;
    height: 72px;
    border-radius: 6px;
    object-fit: cover;
    margin-bottom: 0.75rem;
}

.login-header h2 {
    font-size: 1.05rem;
    color: var(--primary-color);
}

.login-header h3 {
    font-size: 0.95rem;
    color: #555;
    margin-bottom: 0.35rem;
}

.login-header p {
    font-size: 0.9rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
    color: #777;
}

.login-form {
    text-align: left;
}

.login-form .form-group {
    margin-bottom: 1rem;
}

.header-user {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.85rem;
    padding: 0.4rem 0.5rem;
    align-self: center;
}

.operador-options {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    text-align: left;
}

.operador-option {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    color: var(--primary-color);
    background: #fff;
}

.operador-option:has(input:checked) {
    border-color: var(--primary-color);
    background: #eef4f9;
    box-shadow: inset 0 0 0 1px var(--accent-color);
}

.btn-icon-trash {
    background: transparent;
    border: 1px solid #f5c6cb;
    color: var(--danger);
    border-radius: 4px;
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 0;
}

.btn-icon-trash:hover {
    background: #f8d7da;
}

.memo-card-header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

a {
    color: var(--primary-color);
}

/* ========== Header institucional ========== */
.site-header {
    background: linear-gradient(135deg, #003366 0%, #001122 100%);
    color: #fff;
    padding: 1.25rem 1.5rem;
    border-bottom: 4px solid var(--accent-color);
}

.site-header-inner {
    max-width: 960px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.site-header.admin .site-header-inner {
    max-width: 1200px;
}

.site-logo {
    width: 72px;
    height: 72px;
    flex-shrink: 0;
    border-radius: 6px;
    object-fit: cover;
    display: block;
}

.site-header-text h1 {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    line-height: 1.3;
}

.site-header-text .subtitle {
    margin-top: 0.25rem;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.85);
}

.site-header-text .month-badge {
    display: inline-block;
    margin-top: 0.5rem;
    background: rgba(0, 252, 223, 0.15);
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    padding: 0.2rem 0.75rem;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.header-nav {
    margin-left: auto;
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.header-nav a {
    color: #fff;
    text-decoration: none;
    font-size: 0.85rem;
    padding: 0.4rem 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 4px;
    transition: background 0.15s;
}

.header-nav a:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--accent-color);
}

/* ========== Layout ========== */
.page-wrap {
    max-width: 960px;
    margin: 0 auto;
    padding: 1.5rem 1rem 3rem;
}

.page-wrap.wide {
    max-width: 1200px;
}

.panel-card {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 1.75rem;
    box-shadow: 0 2px 8px rgba(0, 51, 102, 0.06);
}

.panel-card h2 {
    color: var(--primary-color);
    font-size: 1.25rem;
    margin-bottom: 0.35rem;
}

.panel-card .lead {
    color: var(--muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

/* ========== Forms ========== */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.form-group.full {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-color);
}

.form-group label .req {
    color: var(--danger);
}

.form-group input,
.form-group select,
.form-group textarea {
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 0.55rem 0.7rem;
    font-size: 0.95rem;
    color: var(--text-color);
    background: #fff;
    width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(0, 51, 102, 0.15);
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
    line-height: 1.45;
}

.form-group textarea.textarea-md {
    min-height: 90px;
}

.form-group textarea.textarea-lg {
    min-height: 180px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Filas dinámicas Fecha y Hora */
.repeatable-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.55rem;
}

.repeatable-header label {
    margin: 0;
}

.repeatable-header .btn {
    min-width: 36px;
    font-size: 1.25rem;
    line-height: 1;
    padding: 0.25rem 0.65rem;
    font-weight: 700;
}

.repeatable-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.repeatable-row {
    display: flex;
    gap: 0.6rem;
    align-items: flex-start;
    padding: 0.85rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: #fafbfc;
}

.repeatable-fields {
    flex: 1;
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 0.75rem;
    min-width: 0;
}

.repeatable-field {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.repeatable-field .hint {
    margin: 0;
}

.repeatable-field input,
.repeatable-field textarea {
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 0.5rem 0.65rem;
    font-size: 0.95rem;
    width: 100%;
    background: #fff;
    color: var(--text-color);
}

.repeatable-field textarea {
    min-height: 64px;
    resize: vertical;
}

.repeatable-field input:focus,
.repeatable-field textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(0, 51, 102, 0.15);
}

.btn-remove-row {
    flex-shrink: 0;
    width: 34px;
    height: 34px;
    margin-top: 1.35rem;
    border: 1px solid #f5c6cb;
    border-radius: 4px;
    background: #fff;
    color: var(--danger);
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
}

.btn-remove-row:hover:not(:disabled) {
    background: #f8d7da;
}

.btn-remove-row:disabled,
.btn-remove-row.is-disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

@media (max-width: 768px) {
    .repeatable-fields {
        grid-template-columns: 1fr;
    }

    .btn-remove-row {
        margin-top: 0;
    }
}

.form-row-dates {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 0.75rem;
}

.radio-group {
    display: flex;
    gap: 1.25rem;
    align-items: center;
    padding: 0.4rem 0;
}

.radio-group label {
    font-weight: 500;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    cursor: pointer;
}

.hint {
    font-size: 0.8rem;
    color: var(--muted);
}

.hidden {
    display: none !important;
}

.form-actions {
    margin-top: 1.5rem;
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* ========== Buttons ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    border: none;
    border-radius: 4px;
    padding: 0.55rem 1.1rem;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--primary-color);
    color: #fff;
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
}

.btn-secondary {
    background: #e9ecef;
    color: var(--primary-color);
}

.btn-secondary:hover:not(:disabled) {
    background: #dee2e6;
}

.btn-success {
    background: var(--success);
    color: #fff;
}

.btn-success:hover:not(:disabled) {
    background: var(--success-hover);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}

.btn-danger:hover:not(:disabled) {
    background: var(--danger-hover);
}

.btn-sm {
    padding: 0.35rem 0.7rem;
    font-size: 0.8rem;
}

.btn-block {
    width: 100%;
}

/* ========== Alerts ========== */
.alert {
    padding: 0.85rem 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-info {
    background: #e7f5ff;
    color: #1864ab;
    border: 1px solid #a5d8ff;
}

/* ========== Admin tabs ========== */
.tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-bottom: 1.25rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0;
}

.tab-btn {
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    padding: 0.7rem 1rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--muted);
    cursor: pointer;
}

.tab-btn:hover {
    color: var(--primary-color);
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--accent-color);
}

.tab-btn .badge {
    display: inline-block;
    min-width: 1.4rem;
    padding: 0.1rem 0.4rem;
    margin-left: 0.35rem;
    border-radius: 999px;
    background: var(--primary-color);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

/* ========== Memo cards ========== */
.memo-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.memo-card {
    background: #fff;
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--primary-color);
    border-radius: 4px;
    padding: 1.1rem 1.25rem;
}

.memo-card.estado-pendiente {
    border-left-color: var(--warning);
}

.memo-card.estado-aprobado {
    border-left-color: var(--success);
}

.memo-card.estado-rechazado {
    border-left-color: var(--danger);
}

.memo-card.estado-realizado {
    border-left-color: #6c757d;
}

.memo-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.memo-card-header h3 {
    font-size: 1.05rem;
    color: var(--primary-color);
    line-height: 1.3;
}

.memo-meta {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0.4rem 1rem;
    font-size: 0.88rem;
}

.memo-meta dt {
    font-weight: 600;
    color: var(--muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.memo-meta dd {
    margin-bottom: 0.35rem;
}

.memo-notas {
    margin-top: 0.75rem;
    padding: 0.65rem 0.8rem;
    background: var(--bg-light);
    border-radius: 4px;
    font-size: 0.88rem;
    white-space: normal;
    line-height: 1.45;
}

.memo-fecha-hora {
    border-left: 3px solid var(--accent-color);
}

.memo-card-header h3 {
    white-space: pre-wrap;
}

.memo-actions {
    margin-top: 1rem;
    padding-top: 0.85rem;
    border-top: 1px solid #eee;
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: flex-end;
}

.memo-actions .btn-delete {
    margin-left: auto;
}

.memo-actions .form-group {
    flex: 1 1 260px;
}

.status-pill {
    display: inline-block;
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    white-space: nowrap;
}

.status-pill.pendiente {
    background: #fff3cd;
    color: #856404;
}

.status-pill.aprobado {
    background: #d4edda;
    color: #155724;
}

.status-pill.rechazado {
    background: #f8d7da;
    color: #721c24;
}

.status-pill.realizado {
    background: #e2e3e5;
    color: #383d41;
}

.empty-state {
    text-align: center;
    padding: 2.5rem 1rem;
    color: var(--muted);
    background: #fff;
    border: 1px dashed var(--border-color);
    border-radius: 6px;
}

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

.footer-note {
    text-align: center;
    margin-top: 2rem;
    font-size: 0.8rem;
    color: var(--muted);
}

/* ========== Modal simple ========== */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 17, 34, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
}

.modal {
    background: #fff;
    border-radius: 6px;
    width: 100%;
    max-width: 440px;
    padding: 1.5rem;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
}

.modal h3 {
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.modal-actions {
    margin-top: 1.25rem;
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

/* ========== Responsive ========== */
@media (max-width: 768px) {
    .site-header-inner {
        flex-wrap: wrap;
    }

    .header-nav {
        margin-left: 0;
        width: 100%;
    }

    .form-grid,
    .form-row-dates {
        grid-template-columns: 1fr;
    }

    .memo-card-header {
        flex-direction: column;
    }

    .tabs {
        flex-direction: column;
        border-bottom: none;
        gap: 0.25rem;
    }

    .tab-btn {
        border: 1px solid var(--border-color);
        border-radius: 4px;
        margin-bottom: 0;
        text-align: left;
        background: #fff;
    }

    .tab-btn.active {
        border-color: var(--primary-color);
        border-left: 4px solid var(--accent-color);
        background: #eef4f9;
    }
}