/* ============================================================
   style.css — Estilos principales del sistema
   Finanzas Graduación v1.0
   ============================================================ */

/* -------------------------------------------------------
   VARIABLES CSS
------------------------------------------------------- */
:root {
    --primary:       #4A90D9;
    --primary-dark:  #2c70b8;
    --secondary:     #6c757d;
    --success:       #28a745;
    --warning:       #ffc107;
    --danger:        #dc3545;
    --info:          #17a2b8;
    --purple:        #6f42c1;
    --teal:          #20c997;
    --orange:        #fd7e14;

    --bg-body:       #f0f2f5;
    --bg-card:       #ffffff;
    --bg-sidebar:    #1e2a3a;
    --bg-topbar:     #ffffff;

    --text-main:     #333333;
    --text-muted:    #888888;
    --text-light:    #ffffff;

    --border:        #dee2e6;
    --radius:        8px;
    --shadow:        0 2px 10px rgba(0,0,0,0.08);
    --shadow-hover:  0 4px 16px rgba(0,0,0,0.12);

    --sidebar-width: 250px;
    --topbar-height: 60px;

    --font-main:     'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-size:     14px;
}

/* -------------------------------------------------------
   RESET BÁSICO
------------------------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
    font-family: var(--font-main);
    font-size: var(--font-size);
    color: var(--text-main);
    background: var(--bg-body);
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }
ul { list-style: none; }

/* -------------------------------------------------------
   LAYOUT PRINCIPAL
------------------------------------------------------- */
.app-wrapper {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    margin-left: var(--sidebar-width);
    transition: margin-left 0.3s ease;
}

.content-area {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
}

/* -------------------------------------------------------
   SIDEBAR
------------------------------------------------------- */
.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-sidebar);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    overflow-y: auto;
    transition: transform 0.3s ease;
}

.sidebar-brand {
    padding: 20px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.sidebar-logo { width: 36px; height: 36px; object-fit: contain; }
.sidebar-brand-text {
    color: var(--text-light);
    font-size: 15px;
    font-weight: 700;
    line-height: 1.2;
}

.sidebar-user {
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.user-avatar { color: rgba(255,255,255,0.5); font-size: 28px; }
.user-info { display: flex; flex-direction: column; }
.user-name  { color: var(--text-light); font-size: 13px; font-weight: 600; }
.user-role  { color: rgba(255,255,255,0.45); font-size: 11px; }

.sidebar-nav { flex: 1; padding: 8px 0; }
.sidebar-nav ul { padding: 0; }
.sidebar-nav li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 20px;
    color: rgba(255,255,255,0.7);
    font-size: 13.5px;
    transition: background 0.2s, color 0.2s;
    border-left: 3px solid transparent;
}
.sidebar-nav li a:hover,
.sidebar-nav li.active a {
    background: rgba(255,255,255,0.08);
    color: var(--text-light);
    border-left-color: var(--primary);
}
.sidebar-nav li a i { width: 18px; text-align: center; font-size: 14px; }
.nav-section span {
    display: block;
    padding: 14px 20px 4px;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255,255,255,0.3);
    font-weight: 600;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid rgba(255,255,255,0.08);
}
.btn-logout {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255,255,255,0.55);
    padding: 8px 12px;
    border-radius: var(--radius);
    transition: background 0.2s, color 0.2s;
}
.btn-logout:hover { background: rgba(220,53,69,0.15); color: #ff6b7a; }

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 999;
}

/* -------------------------------------------------------
   TOPBAR
------------------------------------------------------- */
.topbar {
    height: var(--topbar-height);
    background: var(--bg-topbar);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 24px;
    gap: 16px;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}
.topbar-toggle { display: none; background: none; border: none; font-size: 18px; cursor: pointer; color: var(--secondary); }
.topbar-title h2 { font-size: 18px; font-weight: 600; color: var(--text-main); flex: 1; }
.topbar-actions { margin-left: auto; display: flex; align-items: center; gap: 16px; }
.topbar-icon {
    position: relative;
    color: var(--secondary);
    font-size: 18px;
    padding: 4px;
    transition: color 0.2s;
}
.topbar-icon:hover { color: var(--primary); }
.topbar-icon .badge {
    position: absolute;
    top: -4px;
    right: -6px;
    background: var(--danger);
    color: white;
    font-size: 9px;
    min-width: 16px;
    height: 16px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 3px;
}

/* -------------------------------------------------------
   FOOTER
------------------------------------------------------- */
.main-footer {
    text-align: center;
    padding: 12px 24px;
    font-size: 12px;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
    background: var(--bg-topbar);
}

/* -------------------------------------------------------
   CARDS
------------------------------------------------------- */
.card {
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    overflow: hidden;
}
.card-header {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}
.card-header .badge { margin-left: 8px; }
.card-body { padding: 20px; }
.card-body.p-0 { padding: 0; }

/* -------------------------------------------------------
   MÉTRICAS DASHBOARD
------------------------------------------------------- */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
}

.metric-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow);
    border-left: 4px solid transparent;
    transition: box-shadow 0.2s;
}
.metric-card:hover { box-shadow: var(--shadow-hover); }
.metric-icon { font-size: 28px; opacity: 0.8; }
.metric-label { display: block; font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.metric-value { display: block; font-size: 22px; font-weight: 700; margin-top: 2px; }

.color-blue   { border-left-color: var(--primary);  } .color-blue   .metric-icon { color: var(--primary);  }
.color-orange { border-left-color: var(--orange);   } .color-orange .metric-icon { color: var(--orange);   }
.color-green  { border-left-color: var(--success);  } .color-green  .metric-icon { color: var(--success);  }
.color-purple { border-left-color: var(--purple);   } .color-purple .metric-icon { color: var(--purple);   }
.color-teal   { border-left-color: var(--teal);     } .color-teal   .metric-icon { color: var(--teal);     }
.color-red    { border-left-color: var(--danger);   } .color-red    .metric-icon { color: var(--danger);   }

/* Métricas pequeñas (apoderado) */
.metrics-grid-sm {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}
.metric-mini {
    border-radius: var(--radius);
    padding: 14px;
    text-align: center;
    border-left: 3px solid transparent;
    background: var(--bg-body);
}
.metric-mini .label { display: block; font-size: 11px; color: var(--text-muted); }
.metric-mini .value { display: block; font-size: 18px; font-weight: 700; margin-top: 4px; }

/* -------------------------------------------------------
   TABLAS
------------------------------------------------------- */
.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
}
.table th {
    background: #f8f9fa;
    padding: 10px 14px;
    text-align: left;
    font-weight: 600;
    color: var(--secondary);
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--border);
}
.table td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
.table-hover tr:hover td { background: #f8f9fa; }
.table-sm th, .table-sm td { padding: 7px 12px; font-size: 13px; }
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted) !important; }

/* -------------------------------------------------------
   BADGES / PILLS
------------------------------------------------------- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.badge-green  { background: #d4edda; color: #155724; }
.badge-orange { background: #fff3cd; color: #856404; }
.badge-red    { background: #f8d7da; color: #721c24; }
.badge-blue   { background: #cce5ff; color: #004085; }
.badge-gray   { background: #e9ecef; color: #6c757d; }
.badge-purple { background: #e2d9f3; color: #6f42c1; }

/* -------------------------------------------------------
   BOTONES
------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 13.5px;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.2s;
    white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-hover); }
.btn-primary  { background: var(--primary); color: white; border-color: var(--primary-dark); }
.btn-primary:hover { background: var(--primary-dark); color: white; }
.btn-secondary { background: var(--secondary); color: white; }
.btn-secondary:hover { background: #5a6268; color: white; }
.btn-success  { background: var(--success); color: white; }
.btn-success:hover { background: #218838; color: white; }
.btn-warning  { background: var(--warning); color: #333; }
.btn-danger   { background: var(--danger);  color: white; }
.btn-outline  { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: white; }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-block { width: 100%; justify-content: center; }
.float-right { margin-left: auto; }

/* -------------------------------------------------------
   FORMULARIOS
------------------------------------------------------- */
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-main);
}
.form-control {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 13.5px;
    color: var(--text-main);
    background: white;
    transition: border-color 0.2s, box-shadow 0.2s;
    font-family: var(--font-main);
}
.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(74,144,217,0.15);
    outline: none;
}
.form-row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.form-row .form-group { flex: 1; min-width: 0; }
.col-3  { flex: 0 0 calc(25% - 12px) !important; }
.col-4  { flex: 0 0 calc(33.33% - 11px) !important; }
.col-6  { flex: 0 0 calc(50% - 8px) !important; }
.form-actions { display: flex; gap: 10px; margin-top: 20px; }

.input-group { display: flex; }
.input-group .form-control { border-radius: var(--radius) 0 0 var(--radius); }
.btn-toggle-pass {
    padding: 9px 12px;
    border: 1px solid var(--border);
    border-left: none;
    border-radius: 0 var(--radius) var(--radius) 0;
    background: #f8f9fa;
    cursor: pointer;
    color: var(--secondary);
}

.checkbox-group { display: flex; flex-direction: column; gap: 8px; }
.checkbox-item {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 13.5px;
}
.checkbox-item input[type=checkbox] { width: 16px; height: 16px; cursor: pointer; }
.checkbox-item small { color: var(--text-muted); }

/* -------------------------------------------------------
   FILTROS
------------------------------------------------------- */
.filtros-form {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}
.filtros-form .form-control { max-width: 220px; }

/* -------------------------------------------------------
   ALERTAS
------------------------------------------------------- */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-size: 13.5px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}
.alert-success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.alert-danger  { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
.alert-info    { background: #d1ecf1; color: #0c5460; border: 1px solid #bee5eb; }
.alert-warning { background: #fff3cd; color: #856404; border: 1px solid #ffeeba; }
.alert ul { margin: 0; padding-left: 20px; }

/* -------------------------------------------------------
   BARRAS DE PROGRESO
------------------------------------------------------- */
.progress-bar-wrap { margin-top: 8px; }
.progress-label { font-size: 12px; color: var(--text-muted); margin-bottom: 4px; }
.progress-bar {
    height: 10px;
    background: #e9ecef;
    border-radius: 5px;
    overflow: hidden;
}
.progress-bar.mini { height: 6px; width: 100px; display: inline-block; vertical-align: middle; }
.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--teal));
    border-radius: 5px;
    transition: width 0.6s ease;
}
.progress-fill.fill-success { background: linear-gradient(90deg, var(--success), var(--teal)); }

/* -------------------------------------------------------
   DASHBOARD ROW
------------------------------------------------------- */
.dashboard-row {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}
.dashboard-row .card { flex: 1; }
.flex-2 { flex: 2 !important; }
.flex-1 { flex: 1 !important; }

/* -------------------------------------------------------
   PÁGINA HEADER
------------------------------------------------------- */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}
.page-header h3 { font-size: 20px; font-weight: 600; }

/* -------------------------------------------------------
   RECORDATORIOS
------------------------------------------------------- */
.recordatorios-list { display: flex; flex-direction: column; gap: 16px; }
.rec-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary);
    overflow: hidden;
}
.rec-card.no-leido { border-left-color: var(--warning); background: #fffef5; }
.rec-card.tipo-recordatorio { border-left-color: var(--orange); }
.rec-card.tipo-nota { border-left-color: var(--info); }
.rec-header {
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    border-bottom: 1px solid var(--border);
}
.rec-fecha { margin-left: auto; font-size: 12px; }
.rec-body { padding: 14px 16px; }
.rec-body p { color: var(--text-main); line-height: 1.6; }
.rec-actions { padding: 10px 16px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; }

/* -------------------------------------------------------
   MODALES
------------------------------------------------------- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.modal-box {
    background: var(--bg-card);
    border-radius: var(--radius);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 8px 40px rgba(0,0,0,0.2);
}
.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.modal-header h4 { font-size: 16px; font-weight: 600; }
.modal-header button { background: none; border: none; font-size: 18px; cursor: pointer; color: var(--secondary); }
.modal-box form, .modal-box .alert { padding: 20px; }
.modal-box form .form-actions { padding: 0; }

/* -------------------------------------------------------
   ACCIONES EN TABLA
------------------------------------------------------- */
.acciones { white-space: nowrap; }
.acciones .btn { margin-right: 4px; }

/* -------------------------------------------------------
   UTILIDADES
------------------------------------------------------- */
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 20px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 20px; }
.p-3  { padding: 12px; }
.text-right { text-align: right !important; }
.text-success { color: var(--success) !important; }
.text-warning { color: #856404 !important; }
.text-danger  { color: var(--danger)  !important; }

/* -------------------------------------------------------
   RESPONSIVE
------------------------------------------------------- */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .sidebar-overlay.open {
        display: block;
    }
    .main-content {
        margin-left: 0;
    }
    .topbar-toggle {
        display: block;
    }
    .metrics-grid {
        grid-template-columns: 1fr 1fr;
    }
    .metrics-grid-sm {
        grid-template-columns: 1fr 1fr;
    }
    .dashboard-row {
        flex-direction: column;
    }
    .form-row {
        flex-direction: column;
    }
    .col-3, .col-4, .col-6 {
        flex: 1 1 100% !important;
    }
    .filtros-form .form-control {
        max-width: 100%;
    }
}