/* CLF Sistema de Gestión — assets/css/main.css */

/* ── Variables ──────────────────────────────────────────────────────────────── */
:root {
    --color-primary:    #1a5276;
    --color-primary-h:  #154360;
    --color-accent:     #2e86c1;
    --color-success:    #1e8449;
    --color-danger:     #922b21;
    --color-warning:    #b7770d;
    --color-bg:         #f4f6f8;
    --color-surface:    #ffffff;
    --color-border:     #d5d8dc;
    --color-text:       #1c2833;
    --color-muted:      #717d7e;
    --radius:           8px;
    --shadow:           0 2px 8px rgba(0,0,0,.08);
    --sidebar-w:        240px;
}

/* ── Reset básico ────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Segoe UI', system-ui, sans-serif; font-size: 15px;
       color: var(--color-text); background: var(--color-bg); line-height: 1.6; }
a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Login ───────────────────────────────────────────────────────────────────── */
.login-body { display: flex; align-items: center; justify-content: center;
              min-height: 100vh; background: linear-gradient(135deg, #1a5276 0%, #2e86c1 100%); }

.login-card { background: var(--color-surface); border-radius: 12px; padding: 2.5rem;
              width: 100%; max-width: 420px; box-shadow: 0 8px 32px rgba(0,0,0,.2); }

.login-logo { text-align: center; margin-bottom: 1.5rem; }
.login-logo img { height: 64px; margin-bottom: .5rem; }
.login-logo h1 { font-size: 1.3rem; color: var(--color-primary); }
.login-subtitle { color: var(--color-muted); font-size: .9rem; }

.login-tabs { display: flex; gap: .5rem; margin-bottom: 1.5rem;
              background: var(--color-bg); border-radius: var(--radius); padding: 4px; }
.tab-btn { flex: 1; padding: .5rem; border: none; background: transparent;
           border-radius: 6px; cursor: pointer; font-size: .9rem; color: var(--color-muted); }
.tab-btn.active { background: var(--color-surface); color: var(--color-primary);
                  font-weight: 600; box-shadow: var(--shadow); }

/* ── Formularios ─────────────────────────────────────────────────────────────── */
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-size: .85rem; font-weight: 600;
                    color: var(--color-muted); margin-bottom: .3rem; }
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%; padding: .6rem .85rem; border: 1.5px solid var(--color-border);
    border-radius: var(--radius); font-size: .95rem; color: var(--color-text);
    background: var(--color-surface); transition: border-color .2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none; border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(46,134,193,.15);
}
.form-group input[type=number] { -moz-appearance: textfield; }
.form-group input[type=number]::-webkit-outer-spin-button,
.form-group input[type=number]::-webkit-inner-spin-button { -webkit-appearance: none; }

.rut-input-group { display: flex; align-items: center; gap: .5rem; }
.rut-input-group input { flex: 1; }
.rut-dv { font-size: 1.1rem; color: var(--color-primary); white-space: nowrap;
          background: var(--color-bg); padding: .6rem .85rem;
          border: 1.5px solid var(--color-border); border-radius: var(--radius); }

/* ── Botones ─────────────────────────────────────────────────────────────────── */
.btn { display: inline-flex; align-items: center; gap: .4rem; padding: .6rem 1.2rem;
       border: none; border-radius: var(--radius); font-size: .9rem;
       font-weight: 600; cursor: pointer; transition: background .2s, opacity .2s; }
.btn-primary  { background: var(--color-primary); color: #fff; }
.btn-primary:hover  { background: var(--color-primary-h); }
.btn-accent   { background: var(--color-accent); color: #fff; }
.btn-accent:hover   { opacity: .88; }
.btn-success  { background: var(--color-success); color: #fff; }
.btn-danger   { background: var(--color-danger);  color: #fff; }
.btn-warning  { background: var(--color-warning); color: #fff; }
.btn-outline  { background: transparent; border: 1.5px solid var(--color-border); color: var(--color-text); }
.btn-outline:hover { background: var(--color-bg); }
.btn-sm  { padding: .35rem .8rem; font-size: .82rem; }
.btn-block { width: 100%; justify-content: center; padding: .75rem; }

/* ── Alertas ─────────────────────────────────────────────────────────────────── */
.alert { padding: .75rem 1rem; border-radius: var(--radius); margin-bottom: 1rem;
         font-size: .9rem; border-left: 4px solid; }
.alert-error   { background: #fdf2f2; border-color: var(--color-danger);   color: var(--color-danger); }
.alert-success { background: #eafaf1; border-color: var(--color-success);  color: var(--color-success); }
.alert-warning { background: #fef9e7; border-color: var(--color-warning);  color: var(--color-warning); }
.alert-info    { background: #eaf4fb; border-color: var(--color-accent);   color: var(--color-accent); }

/* ── Layout con sidebar ──────────────────────────────────────────────────────── */
.app-layout { display: flex; min-height: 100vh; }

.sidebar { width: var(--sidebar-w); background: var(--color-primary); color: #fff;
           display: flex; flex-direction: column; position: fixed; top: 0; left: 0;
           height: 100vh; overflow-y: auto; z-index: 100; }
.sidebar-logo { padding: 1.5rem 1rem; border-bottom: 1px solid rgba(255,255,255,.1);
                text-align: center; }
.sidebar-logo span { font-size: 1rem; font-weight: 700; display: block; }
.sidebar-logo small { font-size: .75rem; opacity: .7; }

.sidebar-nav { flex: 1; padding: 1rem 0; }
.nav-section { padding: .5rem 1rem .25rem; font-size: .7rem; font-weight: 700;
               text-transform: uppercase; letter-spacing: .08em; opacity: .5; }
.nav-link { display: flex; align-items: center; gap: .6rem; padding: .6rem 1rem;
            color: rgba(255,255,255,.85); font-size: .9rem; transition: background .15s; }
.nav-link:hover, .nav-link.active { background: rgba(255,255,255,.12); color: #fff;
                                     text-decoration: none; }
.nav-link svg { width: 18px; height: 18px; flex-shrink: 0; }

.sidebar-footer { padding: 1rem; border-top: 1px solid rgba(255,255,255,.1); }
.sidebar-user { font-size: .8rem; opacity: .75; margin-bottom: .5rem; }

.main-content { margin-left: var(--sidebar-w); flex: 1; padding: 2rem; }

/* ── Topbar ──────────────────────────────────────────────────────────────────── */
.topbar { display: flex; align-items: center; justify-content: space-between;
          margin-bottom: 1.5rem; }
.page-title { font-size: 1.4rem; font-weight: 700; color: var(--color-primary); }

/* ── Cards ───────────────────────────────────────────────────────────────────── */
.card { background: var(--color-surface); border-radius: var(--radius);
        box-shadow: var(--shadow); padding: 1.5rem; margin-bottom: 1.5rem; }
.card-title { font-size: 1rem; font-weight: 700; color: var(--color-primary);
              margin-bottom: 1rem; padding-bottom: .5rem;
              border-bottom: 2px solid var(--color-bg); }

/* ── Stats cards ─────────────────────────────────────────────────────────────── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.stat-card { background: var(--color-surface); border-radius: var(--radius);
             padding: 1.2rem; box-shadow: var(--shadow);
             border-left: 4px solid var(--color-accent); }
.stat-value { font-size: 2rem; font-weight: 700; color: var(--color-primary); }
.stat-label { font-size: .8rem; color: var(--color-muted); margin-top: .2rem; }

/* ── Tablas ──────────────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
thead th { background: var(--color-bg); padding: .75rem 1rem; text-align: left;
           font-size: .8rem; font-weight: 700; text-transform: uppercase;
           letter-spacing: .05em; color: var(--color-muted);
           border-bottom: 2px solid var(--color-border); }
tbody td { padding: .7rem 1rem; border-bottom: 1px solid var(--color-border); vertical-align: middle; }
tbody tr:hover { background: rgba(46,134,193,.04); }
tbody tr:last-child td { border-bottom: none; }

/* ── Badges ──────────────────────────────────────────────────────────────────── */
.badge { display: inline-block; padding: .2rem .65rem; border-radius: 20px;
         font-size: .78rem; font-weight: 600; }
.badge-success { background: #d5f5e3; color: #1e8449; }
.badge-danger  { background: #fadbd8; color: #922b21; }
.badge-warning { background: #fef9e7; color: #b7770d; }
.badge-info    { background: #d6eaf8; color: #1a5276; }
.badge-gray    { background: #eaecee; color: #566573; }

/* ── Pago estado colores ─────────────────────────────────────────────────────── */
.pago-pagado   { background: #d5f5e3; color: #1e8449; }
.pago-pendiente{ background: #fef9e7; color: #b7770d; }
.pago-atrasado { background: #fadbd8; color: #922b21; }
.pago-exento   { background: #eaecee; color: #566573; }

/* ── Asistencia colores ──────────────────────────────────────────────────────── */
.asis-presente   { color: var(--color-success); font-weight: 600; }
.asis-ausente    { color: var(--color-danger);  font-weight: 600; }
.asis-atrasado   { color: var(--color-warning); font-weight: 600; }
.asis-suspendida { color: var(--color-muted);   font-style: italic; }

/* ── Utilidades ──────────────────────────────────────────────────────────────── */
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-right  { text-align: right; }
.text-muted  { color: var(--color-muted); }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mb-1 { margin-bottom: .5rem; }
.mb-2 { margin-bottom: 1rem; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-1 { gap: .5rem; }
.gap-2 { gap: 1rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem; }

/* ── Responsive ──────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); transition: transform .3s; }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; padding: 1rem; }
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
}