@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
    color-scheme: dark;
    --bg: #12141a;
    --bg-elevated: #191c24;
    --card: #191c24;
    --card-hover: #21252f;
    --card-dim: #15171d;
    --border: #2a2f3b;
    --text: #eef0f4;
    --text-dim: #9099ab;
    --text-faint: #5c6478;

    --ok: #5eead4;
    --ok-bg: #2a5a52;
    --warn: #f4c15c;
    --warn-bg: #4a3b1e;
    --critical: #f4736b;
    --critical-bg: #4a2321;

    --accent: #5eead4;
    --accent-bg: #2a5a52;

    --radius-lg: 18px;
    --radius-md: 14px;
    --radius-sm: 10px;

    --font-body: 'Manrope', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', 'Consolas', monospace;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
h1, h2, h3 { margin: 0; font-weight: 700; }

button { font-family: inherit; cursor: pointer; }

input, select {
    font-family: inherit;
    color: var(--text);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    font-size: 15px;
    width: 100%;
}
input:focus, select:focus { outline: none; border-color: var(--accent); }

label {
    display: block;
    font-size: 13px;
    color: var(--text-dim);
    margin-bottom: 6px;
    font-weight: 600;
}
.field { margin-bottom: 16px; }

/* ---------- Layout ---------- */
main {
    max-width: 680px;
    margin: 0 auto;
    padding: 16px 16px 32px;
}

.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
}
.app-header h1 { font-size: 1.1rem; font-weight: 800; }

.header-links { display: flex; align-items: center; gap: 14px; }
.logout-link { color: var(--text-dim); font-size: 0.85rem; font-weight: 600; }
.logout-link:hover { color: var(--accent); }

.page-nav {
    display: flex;
    gap: 4px;
    padding: 8px 16px;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
}
.page-nav a {
    color: var(--text-dim);
    font-size: 0.88rem;
    font-weight: 600;
    padding: 8px 14px;
    border-radius: 999px;
    white-space: nowrap;
}
.page-nav a.active { background: var(--accent-bg); color: var(--accent); }

.page-subtitle { color: var(--text-dim); font-size: 0.95rem; margin: 4px 0 20px; }

/* ---------- Cards ---------- */
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 18px;
    margin-bottom: 16px;
}
.card-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}
.card-row:last-child { border-bottom: none; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border: none;
    border-radius: 999px;
    padding: 11px 20px;
    font-size: 0.92rem;
    font-weight: 700;
    font-family: var(--font-body);
}
.btn-primary { background: var(--accent); color: #0b1210; }
.btn-secondary { background: var(--bg-elevated); color: var(--text); border: 1px solid var(--border); }
.btn:disabled { opacity: 0.5; cursor: default; }
.btn-block { width: 100%; }

/* ---------- Badges ---------- */
.badge {
    display: inline-flex;
    align-items: center;
    font-size: 0.78rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 999px;
}
.badge-ok { background: var(--ok-bg); color: var(--ok); }
.badge-warn { background: var(--warn-bg); color: var(--warn); }
.badge-critical { background: var(--critical-bg); color: var(--critical); }
.badge-neutral { background: var(--bg-elevated); color: var(--text-dim); }

/* ---------- Stat tiles ---------- */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}
.stat-tile {
    background: linear-gradient(155deg, var(--card-hover), var(--bg-elevated));
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px;
}
.stat-tile .value {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
}
.stat-tile .label { color: var(--text-dim); font-size: 0.8rem; margin-top: 4px; }

/* ---------- Category bars ---------- */
.category-bar-row { margin-bottom: 14px; }
.category-bar-head {
    display: flex;
    justify-content: space-between;
    font-size: 0.88rem;
    margin-bottom: 6px;
}
.category-bar-head .amount { font-family: var(--font-mono); color: var(--text-dim); }
.category-bar-track {
    height: 8px;
    background: var(--bg-elevated);
    border-radius: 999px;
    overflow: hidden;
}
.category-bar-fill { height: 100%; background: var(--accent); border-radius: 999px; }

/* ---------- Tables ---------- */
.table-scroll {
    overflow-x: auto;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}
table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
th, td {
    padding: 10px 14px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}
th { color: var(--text-dim); font-weight: 600; font-size: 0.8rem; }
tr:last-child td { border-bottom: none; }
.mono { font-family: var(--font-mono); }

.empty-state {
    text-align: center;
    color: var(--text-dim);
    padding: 32px 16px;
    font-size: 0.92rem;
}

/* ---------- Login / PIN pad ---------- */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 16px;
}
.login-box {
    background: var(--card);
    border: 1px solid var(--border);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
    width: min(90vw, 340px);
}
.login-box h1 {
    font-size: 1.35rem;
    font-weight: 800;
    margin: 0 0 1.25rem;
    text-align: center;
}
.login-box form { display: flex; flex-direction: column; gap: 0.75rem; }

.pin-display {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.6rem;
    min-height: 1.5rem;
    margin-bottom: 0.5rem;
}
.pin-dot {
    width: 0.85rem;
    height: 0.85rem;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: transparent;
}
.pin-dot--filled { background: var(--accent); border-color: var(--accent); }

.pin-keypad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    justify-items: center;
}
.pin-key {
    width: 4.5rem;
    height: 4.5rem;
    border-radius: 50%;
    border: none;
    background: var(--bg-elevated);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 1.3rem;
    font-weight: 700;
}
.pin-key:active { background: var(--card-hover); }
.pin-key--action { background: transparent; color: var(--text-dim); font-size: 1.1rem; }
.pin-key--confirm { background: var(--accent); color: #0b1210; }
.pin-key--confirm:disabled { background: var(--bg-elevated); color: var(--text-faint); opacity: 0.5; }

.login-box .error {
    color: var(--critical);
    font-size: 0.88rem;
    text-align: center;
    margin: 0;
}

/* ---------- Responsive ---------- */
@media (max-width: 480px) {
    .stat-grid { grid-template-columns: repeat(2, 1fr); }
}