/* ============================================
   SISTEMA PSICOPEDAGÓGICO — Estilos principales
   ============================================ */

:root {
    --primary:    #2D6A8F;
    --primary-dk: #1A4A6B;
    --accent:     #5BB8A0;
    --accent-lt:  #E8F7F4;
    --bg:         #F4F7FA;
    --surface:    #FFFFFF;
    --border:     #DDE3EB;
    --text:       #1E2D3D;
    --text-sm:    #5A6E82;
    --danger:     #D94F4F;
    --warning:    #E8A840;
    --success:    #3DAA7A;
    --radius:     10px;
    --shadow:     0 2px 12px rgba(45,106,143,.10);
    --shadow-lg:  0 8px 32px rgba(45,106,143,.15);
}

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

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ── NAVBAR ── */
.navbar {
    background: var(--primary-dk);
    color: #fff;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: .8rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 16px rgba(0,0,0,.25);
}

.nav-brand { display: flex; align-items: center; gap: .5rem; margin-right: auto; }
.nav-icon { font-size: 1.4rem; }
.nav-title { font-family: 'Playfair Display', serif; font-size: 1.1rem; letter-spacing: .3px; }

.nav-links { display: flex; gap: .3rem; }
.nav-links a {
    color: rgba(255,255,255,.80);
    text-decoration: none;
    padding: .4rem .85rem;
    border-radius: 6px;
    font-size: .88rem;
    font-weight: 500;
    transition: all .2s;
}
.nav-links a:hover, .nav-links a.active {
    background: rgba(255,255,255,.15);
    color: #fff;
}

.nav-user { display: flex; align-items: center; gap: .8rem; font-size: .88rem; }
.user-name { color: rgba(255,255,255,.80); }
.btn-logout {
    background: rgba(255,255,255,.15);
    color: #fff;
    text-decoration: none;
    padding: .35rem .8rem;
    border-radius: 6px;
    font-size: .83rem;
    transition: background .2s;
}
.btn-logout:hover { background: var(--danger); }

/* ── MAIN ── */
.main-content { flex: 1; padding: 2rem; max-width: 1300px; width: 100%; margin: 0 auto; }

/* ── PÁGINA TÍTULO ── */
.page-header { margin-bottom: 1.8rem; }
.page-header h1 { font-family: 'Playfair Display', serif; font-size: 1.8rem; color: var(--primary-dk); }
.page-header p  { color: var(--text-sm); margin-top: .3rem; font-size: .93rem; }

/* ── TARJETAS ── */
.card {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.5rem;
    border: 1px solid var(--border);
}
.card-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.1rem;
    color: var(--primary-dk);
    margin-bottom: 1.2rem;
    padding-bottom: .7rem;
    border-bottom: 2px solid var(--accent-lt);
}

/* ── ESTADÍSTICAS ── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin-bottom: 2rem; }
.stat-card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 1.3rem 1.5rem;
    border-left: 4px solid var(--accent);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: .3rem;
}
.stat-card.blue  { border-color: var(--primary); }
.stat-card.green { border-color: var(--success); }
.stat-card.gold  { border-color: var(--warning); }
.stat-number { font-size: 2rem; font-weight: 600; color: var(--primary-dk); line-height: 1; }
.stat-label  { font-size: .82rem; color: var(--text-sm); font-weight: 500; }

/* ── TABLA ── */
.table-wrap { overflow-x: auto; border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: .88rem; }
thead { background: var(--primary); color: #fff; }
thead th { padding: .75rem 1rem; text-align: left; font-weight: 500; }
tbody tr { border-bottom: 1px solid var(--border); transition: background .15s; }
tbody tr:hover { background: var(--accent-lt); }
tbody td { padding: .7rem 1rem; color: var(--text); }

/* ── FORMULARIOS ── */
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.2rem; }
.form-group { display: flex; flex-direction: column; gap: .4rem; }
.form-group label { font-size: .85rem; font-weight: 500; color: var(--text-sm); }
.form-group input,
.form-group select,
.form-group textarea {
    border: 1.5px solid var(--border);
    border-radius: 7px;
    padding: .55rem .85rem;
    font-size: .9rem;
    font-family: inherit;
    color: var(--text);
    background: var(--surface);
    transition: border-color .2s, box-shadow .2s;
    outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(45,106,143,.12);
}
.form-group textarea { resize: vertical; min-height: 90px; }
.form-full { grid-column: 1 / -1; }

/* ── BOTONES ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    padding: .55rem 1.2rem;
    border-radius: 7px;
    font-family: inherit;
    font-size: .88rem;
    font-weight: 500;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: all .2s;
}
.btn-primary  { background: var(--primary); color: #fff; }
.btn-primary:hover  { background: var(--primary-dk); }
.btn-success  { background: var(--success); color: #fff; }
.btn-success:hover  { background: #2d8060; }
.btn-danger   { background: var(--danger); color: #fff; }
.btn-danger:hover   { background: #b83a3a; }
.btn-outline  { background: transparent; border: 1.5px solid var(--primary); color: var(--primary); }
.btn-outline:hover  { background: var(--primary); color: #fff; }
.btn-sm { padding: .35rem .8rem; font-size: .82rem; }

/* ── BADGES ── */
.badge {
    display: inline-block;
    padding: .2rem .65rem;
    border-radius: 20px;
    font-size: .78rem;
    font-weight: 500;
}
.badge-green  { background: #d4f5e9; color: #1a6b4a; }
.badge-blue   { background: #d4e8f5; color: #1a4a6b; }
.badge-gold   { background: #fdefd4; color: #7a5010; }
.badge-red    { background: #fde0d4; color: #7a2010; }
.badge-gray   { background: #e8edf2; color: #4a5a6a; }

/* ── ALERTAS ── */
.alert {
    padding: .8rem 1.2rem;
    border-radius: 8px;
    font-size: .88rem;
    margin-bottom: 1.2rem;
    display: flex;
    align-items: center;
    gap: .6rem;
}
.alert-success { background: #d4f5e9; color: #1a6b4a; border-left: 4px solid var(--success); }
.alert-error   { background: #fde0d4; color: #7a2010; border-left: 4px solid var(--danger); }
.alert-info    { background: #d4e8f5; color: #1a4a6b; border-left: 4px solid var(--primary); }

/* ── BUSCADOR ── */
.search-bar {
    display: flex;
    gap: .8rem;
    align-items: center;
    margin-bottom: 1.2rem;
    flex-wrap: wrap;
}
.search-bar input {
    flex: 1;
    min-width: 220px;
    border: 1.5px solid var(--border);
    border-radius: 7px;
    padding: .55rem .85rem;
    font-size: .9rem;
    font-family: inherit;
    outline: none;
    transition: border-color .2s;
}
.search-bar input:focus { border-color: var(--primary); }

/* ── PAGINACIÓN ── */
.pagination { display: flex; gap: .4rem; margin-top: 1.5rem; justify-content: center; }
.pagination a, .pagination span {
    padding: .4rem .75rem;
    border-radius: 6px;
    font-size: .85rem;
    text-decoration: none;
    border: 1px solid var(--border);
    color: var(--text);
    transition: all .2s;
}
.pagination a:hover  { background: var(--accent-lt); border-color: var(--accent); }
.pagination .active  { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ── LOGIN ── */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-dk) 0%, var(--primary) 50%, var(--accent) 100%);
}
.login-box {
    background: var(--surface);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-lg);
}
.login-logo { text-align: center; margin-bottom: 1.8rem; }
.login-logo .icon { font-size: 2.5rem; display: block; margin-bottom: .5rem; }
.login-logo h1 { font-family: 'Playfair Display', serif; font-size: 1.4rem; color: var(--primary-dk); }
.login-logo p  { color: var(--text-sm); font-size: .85rem; }

/* ── PERFIL ESTUDIANTE ── */
.profile-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--primary-dk), var(--primary));
    border-radius: var(--radius);
    color: #fff;
    margin-bottom: 1.5rem;
}
.profile-avatar {
    width: 70px; height: 70px;
    background: rgba(255,255,255,.2);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 2rem;
    flex-shrink: 0;
}
.profile-info h2 { font-family: 'Playfair Display', serif; font-size: 1.3rem; }
.profile-info p  { opacity: .85; font-size: .88rem; margin-top: .2rem; }

/* ── MODAL ── */
.modal-overlay {
    display: none;
    position: fixed; inset: 0;
    background: rgba(0,0,0,.5);
    z-index: 200;
    align-items: center;
    justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal {
    background: var(--surface);
    border-radius: 14px;
    padding: 2rem;
    width: 90%;
    max-width: 650px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: .8rem;
    border-bottom: 2px solid var(--accent-lt);
}
.modal-header h3 { font-family: 'Playfair Display', serif; font-size: 1.2rem; color: var(--primary-dk); }
.modal-close { background: none; border: none; font-size: 1.4rem; cursor: pointer; color: var(--text-sm); }

/* ── FOOTER ── */
.footer {
    text-align: center;
    padding: 1.2rem;
    font-size: .8rem;
    color: var(--text-sm);
    border-top: 1px solid var(--border);
    background: var(--surface);
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
    .navbar { padding: .7rem 1rem; flex-wrap: wrap; gap: .6rem; }
    .nav-links { order: 3; width: 100%; gap: .2rem; overflow-x: auto; }
    .nav-links a { white-space: nowrap; }
    .main-content { padding: 1rem; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}