/* ===========================
   Portal EspanhaFácil — CSS
   =========================== */

:root {
    --color-primary:    #1a56db;
    --color-primary-h:  #1e429f;
    --color-bg:         #f8fafc;
    --color-surface:    #ffffff;
    --color-border:     #e2e8f0;
    --color-text:       #1e293b;
    --color-muted:      #64748b;
    --color-error:      #dc2626;
    --color-error-bg:   #fef2f2;
    --radius:           8px;
    --shadow:           0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
    --shadow-md:        0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 15px;
    line-height: 1.6;
}

/* ---- Navbar ---- */
.navbar {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 0 2rem;
    height: 60px;
    display: flex;
    align-items: center;
    gap: 2rem;
    box-shadow: var(--shadow);
}
.navbar-brand {
    display: flex;
    align-items: center;
    gap: .75rem;
    font-weight: 600;
    font-size: 1rem;
    color: var(--color-primary);
}
.navbar-brand .logo { height: 32px; }
.navbar-menu { display: flex; gap: 1.5rem; margin-left: auto; }
.nav-link {
    color: var(--color-muted);
    text-decoration: none;
    font-size: .9rem;
    transition: color .15s;
}
.nav-link:hover { color: var(--color-primary); }
.nav-logout { color: var(--color-error); }
.navbar-user { font-size: .85rem; color: var(--color-muted); white-space: nowrap; }

/* ---- Main ---- */
.main-content {
    max-width: 1100px;
    margin: 2rem auto;
    padding: 0 1.5rem;
}

/* ---- Page header ---- */
.page-header {
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}
.page-header h1 { font-size: 1.5rem; font-weight: 700; }
.text-muted { color: var(--color-muted); font-size: .875rem; }

/* ---- Stats ---- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.stat-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
    box-shadow: var(--shadow);
}
.stat-number { font-size: 2rem; font-weight: 700; color: var(--color-primary); }
.stat-label  { font-size: .8rem; color: var(--color-muted); margin-top: .25rem; }

/* ---- Card ---- */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
    overflow: hidden;
}
.card-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}
.card-header h2 { font-size: 1rem; font-weight: 600; }
.card-body { padding: 1.5rem; }

/* ---- Tabla ---- */
.tabla { width: 100%; border-collapse: collapse; font-size: .9rem; }
.tabla th {
    text-align: left;
    padding: .6rem 1rem;
    font-size: .75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--color-muted);
    border-bottom: 1px solid var(--color-border);
}
.tabla td {
    padding: .75rem 1rem;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}
.tabla tr:last-child td { border-bottom: none; }
.tabla tr:hover td { background: #f8fafc; }

/* ---- Estado badge ---- */
.estado-badge {
    display: inline-block;
    padding: .2rem .65rem;
    border-radius: 999px;
    font-size: .75rem;
    font-weight: 600;
    color: #fff;
}

/* ---- Detail grid ---- */
.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.25rem;
}
.detail-item { display: flex; flex-direction: column; gap: .25rem; }
.detail-label { font-size: .75rem; font-weight: 600; color: var(--color-muted); text-transform: uppercase; letter-spacing: .05em; }
.detail-value { font-size: .95rem; }

/* ---- Botones ---- */
.btn-primary {
    display: block;
    width: 100%;
    padding: .75rem 1.5rem;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    transition: background .15s;
}
.btn-primary:hover { background: var(--color-primary-h); }

.btn-secondary {
    padding: .4rem .9rem;
    background: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius);
    font-size: .85rem;
    cursor: pointer;
    text-decoration: none;
    transition: background .15s, color .15s;
}
.btn-secondary:hover { background: var(--color-primary); color: #fff; }

.btn-link {
    background: none;
    border: none;
    color: var(--color-primary);
    cursor: pointer;
    font-size: .875rem;
    padding: 0;
    text-decoration: underline;
}
.btn-back {
    color: var(--color-muted);
    text-decoration: none;
    font-size: .875rem;
}
.btn-back:hover { color: var(--color-text); }

/* ---- Alerts ---- */
.alert {
    padding: .75rem 1rem;
    border-radius: var(--radius);
    font-size: .9rem;
    margin-bottom: 1rem;
}
.alert-error { background: var(--color-error-bg); color: var(--color-error); border: 1px solid #fca5a5; }

/* ---- Empty state ---- */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--color-muted);
}

/* ---- Login ---- */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-container { width: 100%; max-width: 420px; padding: 1.5rem; }
.login-box {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 2.5rem 2rem;
    box-shadow: var(--shadow-md);
}
.login-logo { text-align: center; margin-bottom: 1.5rem; }
.login-logo img { height: 48px; }
.login-title { font-size: 1.4rem; font-weight: 700; text-align: center; margin-bottom: .5rem; }
.login-subtitle { color: var(--color-muted); text-align: center; font-size: .9rem; margin-bottom: 1.75rem; }

.login-form .form-group { margin-bottom: 1rem; }
.login-form label { display: block; font-size: .875rem; font-weight: 500; margin-bottom: .35rem; }
.login-form input[type="email"],
.login-form input[type="password"] {
    width: 100%;
    padding: .65rem .9rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: .95rem;
    transition: border-color .15s, box-shadow .15s;
    outline: none;
}
.login-form input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(26,86,219,.15);
}
.login-form .btn-primary { margin-top: 1.25rem; }

/* ---- Footer ---- */
.footer {
    text-align: center;
    padding: 2rem;
    color: var(--color-muted);
    font-size: .8rem;
    border-top: 1px solid var(--color-border);
    margin-top: 3rem;
}

/* ---- Responsive ---- */
@media (max-width: 640px) {
    .navbar { padding: 0 1rem; gap: 1rem; }
    .navbar-menu { gap: 1rem; }
    .main-content { padding: 0 1rem; }
    .tabla th, .tabla td { padding: .5rem .75rem; }
}