/* =====================================================================
   Monedas y Billetes — Grupo Nuka
   Dirección visual: "caja fuerte / libro mayor" — verde bosque profundo
   + oro viejo, con fichas de moneda/billete en relieve.
   ===================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,600;9..144,700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
    --ink: #16241f;
    --ink-soft: #445048;
    --paper: #f2f3ee;
    --paper-raised: #ffffff;
    --line: #dde1d7;

    --verde: #1c3b31;
    --verde-suave: #24493c;

    --moneda: #97690e;
    --moneda-bg: #f3e6c8;
    --moneda-line: #dfc286;
    --billete: #1c6b52;
    --billete-bg: #dbeee5;
    --billete-line: #a9d4c1;

    --alerta: #96382a;
    --alerta-bg: #f5ded9;
    --ok: #1c6b45;
    --ok-bg: #daf0e2;

    --radius: 10px;
    --shadow: 0 1px 2px rgba(22, 36, 31, 0.07), 0 6px 18px rgba(22, 36, 31, 0.07);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: 'Fraunces', Georgia, serif;
    font-weight: 600;
    line-height: 1.15;
    margin: 0 0 0.5em;
    letter-spacing: -0.01em;
}

h1 { font-size: clamp(1.6rem, 1.25rem + 1.4vw, 2.3rem); }
h2 { font-size: clamp(1.25rem, 1.1rem + 0.6vw, 1.55rem); }
h3 { font-size: 1.1rem; font-weight: 600; }

a { color: var(--verde); }

.mono, .qty, td.qty, .chip .qty-num {
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-variant-numeric: tabular-nums;
}

/* --------------------------- Topbar --------------------------- */
.topbar {
    background: var(--verde);
    background-image: linear-gradient(180deg, var(--verde) 0%, var(--verde-suave) 100%);
    color: #fff;
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: 3px solid var(--moneda);
}
.topbar-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0.8rem 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}
.brand {
    font-family: 'Fraunces', Georgia, serif;
    font-weight: 700;
    color: #fff;
    text-decoration: none;
    font-size: 1.2rem;
    margin-right: auto;
    letter-spacing: -0.01em;
}
.menu-toggle {
    display: none;
    background: none;
    border: 1px solid rgba(255,255,255,0.35);
    color: #fff;
    font-size: 1.2rem;
    border-radius: var(--radius);
    padding: 0.25rem 0.6rem;
    cursor: pointer;
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 1.1rem;
    flex-wrap: wrap;
}
.main-nav a {
    color: rgba(255,255,255,0.82);
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 500;
    padding: 0.3rem 0;
    border-bottom: 2px solid transparent;
}
.main-nav a:hover { color: #fff; border-bottom-color: var(--moneda); }
.nav-user { color: rgba(255,255,255,0.6); font-size: 0.85rem; }
.nav-logout {
    background: rgba(255,255,255,0.12);
    padding: 0.35rem 0.8rem !important;
    border-radius: 999px;
}

/* --------------------------- Layout --------------------------- */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.5rem 1rem 3rem;
}
.footer {
    text-align: center;
    color: #8a9289;
    font-size: 0.8rem;
    padding: 2rem 1rem;
}

.page-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}
.page-head p { color: var(--ink-soft); margin: 0.2rem 0 0; }

/* --------------------------- Tarjetas --------------------------- */
.card {
    background: var(--paper-raised);
    border: 1px solid var(--line);
    border-top: 3px solid var(--verde);
    border-radius: var(--radius);
    padding: 1.15rem 1.25rem;
    box-shadow: var(--shadow);
    margin-bottom: 1.1rem;
}
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
}
.card-link {
    text-decoration: none;
    color: inherit;
    display: block;
    transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.card-link:hover .card { transform: translateY(-2px); box-shadow: 0 4px 4px rgba(22,36,31,0.05), 0 12px 26px rgba(22,36,31,0.1); }

.stat {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}
.stat .stat-num { font-family: 'JetBrains Mono', monospace; font-size: 1.9rem; font-weight: 700; color: var(--verde); }
.stat .stat-label { color: var(--ink-soft); font-size: 0.85rem; }

/* --------------------------- Fichas de denominación (elemento seña) --------------------------- */
.denom-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}
.chip {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.15rem;
    min-width: 66px;
    padding: 0.55rem 0.4rem;
    border: 1.5px solid var(--line);
    font-size: 0.78rem;
    position: relative;
}
.chip.moneda {
    border-radius: 999px;
    background: var(--moneda-bg);
    border-color: var(--moneda-line);
    color: var(--moneda);
    aspect-ratio: 1 / 1;
    box-shadow: inset 0 0 0 3px rgba(255,255,255,0.55), inset 0 0 0 4px var(--moneda-line);
}
.chip.billete {
    border-radius: 6px;
    background: var(--billete-bg);
    border-color: var(--billete-line);
    color: var(--billete);
    background-image: linear-gradient(135deg, transparent 0, transparent calc(100% - 9px), var(--billete-line) calc(100% - 9px));
}
.chip .qty-num { font-size: 1.05rem; font-weight: 700; color: var(--ink); }
.chip .label { opacity: 0.85; text-align: center; }
.chip.empty { opacity: 0.4; }

/* --------------------------- Formularios --------------------------- */
label { display: block; font-weight: 500; margin: 0.7rem 0 0.3rem; font-size: 0.9rem; }
input, select, textarea {
    width: 100%;
    padding: 0.55rem 0.7rem;
    border: 1.5px solid var(--line);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    background: #fff;
    color: var(--ink);
}
input:focus, select:focus, textarea:focus, button:focus-visible, a:focus-visible {
    outline: 3px solid #a9c9bd;
    outline-offset: 1px;
}
textarea { resize: vertical; min-height: 4.5rem; }

.form-row { display: flex; gap: 1rem; flex-wrap: wrap; }
.form-row > * { flex: 1 1 200px; }

button, .btn {
    display: inline-block;
    font-family: inherit;
    font-weight: 600;
    font-size: 0.92rem;
    padding: 0.6rem 1.15rem;
    border-radius: 8px;
    border: 1.5px solid transparent;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
}
.btn-primary { background: var(--verde); color: #fff; }
.btn-primary:hover { background: var(--verde-suave); }
.btn-outline { background: #fff; color: var(--verde); border-color: var(--line); }
.btn-outline:hover { border-color: var(--verde); }
.btn-ok { background: var(--ok); color: #fff; }
.btn-alerta { background: var(--alerta); color: #fff; }
.btn-sm { padding: 0.35rem 0.7rem; font-size: 0.82rem; }
.btn-row { display: flex; gap: 0.6rem; flex-wrap: wrap; margin-top: 0.8rem; }

/* --------------------------- Tablas --------------------------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { text-align: left; padding: 0.55rem 0.6rem; border-bottom: 1px solid var(--line); }
th { color: var(--ink-soft); font-weight: 600; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; }
td.qty, th.qty { text-align: right; }
tr:last-child td { border-bottom: none; }

/* --------------------------- Estados / badges --------------------------- */
.badge {
    display: inline-block;
    padding: 0.2rem 0.65rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}
.badge.pendiente { background: var(--moneda-bg); color: var(--moneda); }
.badge.aprobada { background: var(--billete-bg); color: var(--billete); }
.badge.rechazada { background: var(--alerta-bg); color: var(--alerta); }
.badge.entregada { background: var(--ok-bg); color: var(--ok); }

.alert { padding: 0.75rem 1rem; border-radius: 8px; margin-bottom: 1rem; font-size: 0.92rem; }
.alert-error { background: var(--alerta-bg); color: var(--alerta); border: 1px solid #dcb2a8; }
.alert-ok { background: var(--ok-bg); color: var(--ok); border: 1px solid #a7d9bb; }

.empty-state {
    text-align: center;
    padding: 2.5rem 1rem;
    color: var(--ink-soft);
}

.helper { color: var(--ink-soft); font-size: 0.85rem; margin-top: 0.2rem; }

/* --------------------------- Responsive --------------------------- */
@media (max-width: 760px) {
    .menu-toggle { display: inline-block; }
    .main-nav {
        display: none;
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        gap: 0.7rem;
        padding-top: 0.6rem;
        border-top: 1px solid rgba(255,255,255,0.15);
    }
    .main-nav.open { display: flex; }
    .form-row { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; animation: none !important; }
}