/* ============================================================
   Compass — main.css
   Estilos generales: layout, componentes, formularios, utilidades
   ============================================================ */

/* ── Variables ─────────────────────────────────────────────── */
:root {
    --color-primary:      #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-light:#eff6ff;
    --color-secondary:    #64748b;
    --color-success:      #16a34a;
    --color-success-bg:   #f0fdf4;
    --color-error:        #dc2626;
    --color-error-bg:     #fef2f2;
    --color-warning:      #d97706;
    --color-warning-bg:   #fffbeb;
    --color-info:         #0891b2;
    --color-info-bg:      #ecfeff;

    --color-text:         #1e293b;
    --color-text-muted:   #64748b;
    --color-border:       #e2e8f0;
    --color-bg:           #f8fafc;
    --color-white:        #ffffff;

    --font-base:     'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-size-base: 1rem;
    --line-height:    1.6;

    --radius-sm:  4px;
    --radius:     8px;
    --radius-lg:  12px;

    --shadow-sm:  0 1px 2px rgba(0,0,0,.06);
    --shadow:     0 2px 8px rgba(0,0,0,.10);
    --shadow-lg:  0 8px 24px rgba(0,0,0,.12);

    --header-h:   60px;
    --container-w:1200px;
    --gap:        1.5rem;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
    font-family: var(--font-base);
    font-size:   var(--font-size-base);
    line-height: var(--line-height);
    color:       var(--color-text);
    background:  var(--color-bg);
    min-height:  100vh;
    display:     flex;
    flex-direction: column;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; display: block; }

ul, ol { list-style: none; }

/* ── Contenedor ─────────────────────────────────────────────── */
.container {
    width: 100%;
    max-width: var(--container-w);
    margin:  0 auto;
    padding: 0 1rem;
}

/* ── Cabecera ───────────────────────────────────────────────── */
.site-header {
    height:     var(--header-h);
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    position:   sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    height:          100%;
    display:         flex;
    align-items:     center;
    justify-content: space-between;
    gap:             1rem;
}

.site-logo {
    font-size:   1.25rem;
    font-weight: 700;
    color:       var(--color-primary);
    letter-spacing: -.5px;
}

.site-nav {
    display:    flex;
    align-items: center;
    gap:         .25rem;
    flex: 1;
    padding: 0 1rem;
}

.nav-link {
    padding:       .4rem .75rem;
    border-radius: var(--radius-sm);
    color:         var(--color-text);
    font-size:     .9rem;
    transition:    background .15s;
}
.nav-link:hover, .nav-link.active {
    background:     var(--color-primary-light);
    color:          var(--color-primary);
    text-decoration: none;
}

.header-user {
    display:     flex;
    align-items: center;
    gap:         .75rem;
    white-space: nowrap;
}

.user-name {
    font-size:  .875rem;
    color:      var(--color-text-muted);
}
.user-name small { font-size: .75rem; }

/* ── Main ───────────────────────────────────────────────────── */
.site-main {
    flex: 1;
    padding: var(--gap) 0 2rem;
}

.page-title {
    font-size:   1.5rem;
    font-weight: 600;
    margin-bottom: var(--gap);
    color:       var(--color-text);
}

/* ── Footer ─────────────────────────────────────────────────── */
.site-footer {
    background: var(--color-white);
    border-top: 1px solid var(--color-border);
    padding:    1rem 0;
    text-align: center;
    font-size:  .8rem;
    color:      var(--color-text-muted);
}

/* ── Botones ─────────────────────────────────────────────────── */
.btn {
    display:       inline-flex;
    align-items:   center;
    justify-content: center;
    gap:           .4rem;
    padding:       .55rem 1.1rem;
    border:        1px solid transparent;
    border-radius: var(--radius-sm);
    font-size:     .9rem;
    font-weight:   500;
    cursor:        pointer;
    transition:    background .15s, border-color .15s, color .15s;
    text-decoration: none;
    white-space:   nowrap;
}
.btn:hover { text-decoration: none; }

.btn-primary {
    background: var(--color-primary);
    color:      var(--color-white);
}
.btn-primary:hover { background: var(--color-primary-dark); }

.btn-outline {
    border-color: var(--color-border);
    background:   var(--color-white);
    color:        var(--color-text);
}
.btn-outline:hover { background: var(--color-bg); }

.btn-danger {
    background: var(--color-error);
    color:      var(--color-white);
}
.btn-danger:hover { background: #b91c1c; }

.btn-sm { padding: .35rem .7rem; font-size: .8rem; }
.btn-block { width: 100%; }

/* ── Formularios ─────────────────────────────────────────────── */
.form-group {
    margin-bottom: 1.1rem;
}

.form-group label {
    display:       block;
    font-size:     .875rem;
    font-weight:   500;
    margin-bottom: .4rem;
    color:         var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width:         100%;
    padding:       .55rem .75rem;
    border:        1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size:     .95rem;
    font-family:   inherit;
    color:         var(--color-text);
    background:    var(--color-white);
    transition:    border-color .15s, box-shadow .15s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline:      none;
    border-color: var(--color-primary);
    box-shadow:   0 0 0 3px rgba(37,99,235,.15);
}

.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
    border-color: var(--color-error);
}

.field-error {
    display:    block;
    font-size:  .8rem;
    color:      var(--color-error);
    margin-top: .3rem;
}

/* ── Alertas / Flash messages ───────────────────────────────── */
.alert {
    padding:       .8rem 1rem;
    border-radius: var(--radius-sm);
    font-size:     .9rem;
    margin-bottom: 1rem;
    border-left:   4px solid transparent;
}

.alert-success {
    background:  var(--color-success-bg);
    border-color: var(--color-success);
    color:       var(--color-success);
}
.alert-error {
    background:  var(--color-error-bg);
    border-color: var(--color-error);
    color:       var(--color-error);
}
.alert-warning {
    background:  var(--color-warning-bg);
    border-color: var(--color-warning);
    color:       var(--color-warning);
}
.alert-info {
    background:  var(--color-info-bg);
    border-color: var(--color-info);
    color:       var(--color-info);
}

/* ── Tarjetas ───────────────────────────────────────────────── */
.card {
    background:    var(--color-white);
    border:        1px solid var(--color-border);
    border-radius: var(--radius);
    padding:       1.25rem;
    box-shadow:    var(--shadow-sm);
}

.card-title {
    font-size:     1rem;
    font-weight:   600;
    margin-bottom: 1rem;
    padding-bottom: .6rem;
    border-bottom: 1px solid var(--color-border);
}

/* ── Tablas ──────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }

table {
    width:           100%;
    border-collapse: collapse;
    font-size:       .9rem;
}

thead th {
    padding:    .6rem .9rem;
    text-align: left;
    font-weight: 600;
    font-size:  .8rem;
    text-transform: uppercase;
    letter-spacing: .5px;
    color:      var(--color-text-muted);
    border-bottom: 2px solid var(--color-border);
    background: var(--color-bg);
}

tbody td {
    padding:     .65rem .9rem;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}

tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--color-bg); }

.table-actions { display: flex; gap: .4rem; }

/* ── Login ───────────────────────────────────────────────────── */
.login-body {
    background: var(--color-primary-light);
    display:    flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding:    1rem;
}

.login-wrapper {
    width:     100%;
    max-width: 420px;
}

.login-card {
    background:    var(--color-white);
    border-radius: var(--radius-lg);
    padding:       2rem 2.5rem;
    box-shadow:    var(--shadow-lg);
}

.login-header {
    text-align:    center;
    margin-bottom: 1.75rem;
}

.login-logo {
    font-size:   2rem;
    font-weight: 800;
    color:       var(--color-primary);
    letter-spacing: -1px;
}

.login-subtitle {
    color:     var(--color-text-muted);
    font-size: .9rem;
    margin-top: .25rem;
}

/* ── Badges de estado ───────────────────────────────────────── */
.badge {
    display:       inline-block;
    padding:       .2rem .55rem;
    border-radius: 999px;
    font-size:     .75rem;
    font-weight:   600;
}
.badge-success  { background: var(--color-success-bg);  color: var(--color-success); }
.badge-error    { background: var(--color-error-bg);    color: var(--color-error); }
.badge-warning  { background: var(--color-warning-bg);  color: var(--color-warning); }
.badge-info     { background: var(--color-info-bg);     color: var(--color-info); }
.badge-neutral  { background: var(--color-border);      color: var(--color-text-muted); }

/* ── Grid de utilidad ───────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--gap); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap); }

.flex        { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between{ display: flex; align-items: center; justify-content: space-between; }
.gap-sm      { gap: .5rem; }
.gap         { gap: 1rem; }

.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: .5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

.text-muted  { color: var(--color-text-muted); font-size: .875rem; }
.text-right  { text-align: right; }
.text-center { text-align: center; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }

    .site-nav { display: none; } /* Se habilitará con el menú hamburguesa en app.js */

    .header-inner { gap: .5rem; }

    .login-card { padding: 1.5rem; }

    .table-actions { flex-direction: column; }
}

@media (max-width: 480px) {
    :root { --font-size-base: .9375rem; }
    .page-title { font-size: 1.25rem; }
}