/* ============================================
   Hosting Payments Tracker — Stylesheet
   ============================================ */

:root {
    --bg: #0e1117;
    --bg-elev: #161b22;
    --bg-elev-2: #1c2129;
    --border: #2a313c;
    --border-light: #353d4a;
    --text: #e6edf3;
    --text-dim: #8b949e;
    --text-mute: #6e7681;
    --accent: #3ddc84;
    --accent-dim: #1f7a47;
    --accent-bg: rgba(61, 220, 132, 0.08);
    --amber: #f7b955;
    --amber-bg: rgba(247, 185, 85, 0.1);
    --red: #f85149;
    --red-bg: rgba(248, 81, 73, 0.1);
    --orange: #ff8c42;
    --orange-bg: rgba(255, 140, 66, 0.1);
    --green: #3ddc84;
    --green-bg: rgba(61, 220, 132, 0.1);
    --blue: #5b9fed;

    --font-sans: 'Manrope', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;

    --radius: 8px;
    --radius-sm: 4px;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: radial-gradient(circle at 20% 0%, rgba(61, 220, 132, 0.04), transparent 50%),
                radial-gradient(circle at 80% 100%, rgba(91, 159, 237, 0.03), transparent 50%);
    pointer-events: none;
    z-index: -1;
}

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

/* === Topbar === */
.topbar {
    display: flex;
    align-items: center;
    gap: 32px;
    padding: 12px 24px;
    background: var(--bg-elev);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 15px;
    letter-spacing: -0.01em;
}

.brand-mark {
    color: var(--accent);
    font-size: 18px;
    transform: translateY(-1px);
}

.nav {
    display: flex;
    gap: 4px;
    flex: 1;
}

.nav a {
    color: var(--text-dim);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 13px;
    transition: all 0.15s;
    text-decoration: none;
}

.nav a:hover {
    color: var(--text);
    background: var(--bg-elev-2);
}

.nav a.active {
    color: var(--accent);
    background: var(--accent-bg);
}

.logout {
    color: var(--text-mute);
    font-size: 13px;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
}
.logout:hover {
    color: var(--red);
    background: var(--red-bg);
    text-decoration: none;
}

/* === Container === */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

h1 {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin: 0;
}

h2 {
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 12px 0;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0 0 12px 0;
}

/* === Cards === */
.card {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
}

.card + .card { margin-top: 16px; }

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
}

.stat-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-mute);
    font-weight: 600;
    margin-bottom: 8px;
}

.stat-value {
    font-family: var(--font-mono);
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.stat-value.accent { color: var(--accent); }
.stat-value.red { color: var(--red); }
.stat-value.amber { color: var(--amber); }

.stat-meta {
    font-size: 12px;
    color: var(--text-mute);
    margin-top: 4px;
}

/* === Table === */
.table-wrap {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

th {
    text-align: left;
    padding: 10px 16px;
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-mute);
    background: var(--bg-elev-2);
    border-bottom: 1px solid var(--border);
}

td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--bg-elev-2); }

td.mono { font-family: var(--font-mono); }
td.amount {
    font-family: var(--font-mono);
    font-weight: 500;
    text-align: right;
    white-space: nowrap;
}

.empty {
    padding: 48px 24px;
    text-align: center;
    color: var(--text-mute);
}

/* === Status badges === */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-family: var(--font-mono);
}

.badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

.badge.green { color: var(--green); background: var(--green-bg); }
.badge.amber { color: var(--amber); background: var(--amber-bg); }
.badge.red { color: var(--red); background: var(--red-bg); }
.badge.orange { color: var(--orange); background: var(--orange-bg); }
.badge.gray { color: var(--text-dim); background: var(--bg-elev-2); }

.type-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    background: var(--bg-elev-2);
    color: var(--text-dim);
    border: 1px solid var(--border);
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--bg-elev-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-family: inherit;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
}

.btn:hover {
    background: var(--border);
    text-decoration: none;
}

.btn.primary {
    background: var(--accent);
    color: var(--bg);
    border-color: var(--accent);
    font-weight: 600;
}
.btn.primary:hover { background: #4ee892; }

.btn.danger { color: var(--red); }
.btn.danger:hover { background: var(--red-bg); border-color: var(--red); }

.btn.small { padding: 5px 10px; font-size: 12px; }
.btn.icon { padding: 6px 8px; }

.btn-row { display: flex; gap: 8px; flex-wrap: wrap; }

/* === Forms === */
form .field { margin-bottom: 14px; }
form label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-dim);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

input[type="text"], input[type="email"], input[type="password"],
input[type="number"], input[type="date"], input[type="tel"],
select, textarea {
    width: 100%;
    padding: 9px 12px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-family: inherit;
    font-size: 13px;
    transition: border-color 0.15s;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(61, 220, 132, 0.1);
}

textarea {
    resize: vertical;
    min-height: 100px;
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1.6;
}

.field-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
}

.help {
    font-size: 11px;
    color: var(--text-mute);
    margin-top: 4px;
}

/* === Alerts === */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid;
    margin-bottom: 16px;
    font-size: 13px;
}

.alert.success {
    color: var(--green);
    background: var(--green-bg);
    border-color: var(--accent-dim);
}

.alert.error {
    color: var(--red);
    background: var(--red-bg);
    border-color: var(--red);
}

.alert.info {
    color: var(--blue);
    background: rgba(91, 159, 237, 0.08);
    border-color: rgba(91, 159, 237, 0.3);
}

/* === Login === */
.login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.login-box {
    max-width: 400px;
    width: 100%;
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
}

.login-box h1 {
    text-align: center;
    margin-bottom: 8px;
}

.login-box .sub {
    text-align: center;
    color: var(--text-mute);
    margin-bottom: 24px;
    font-size: 13px;
}

/* === Calendar === */
.calendar {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 8px;
}

.cal-header {
    text-align: center;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-mute);
    padding: 8px 4px;
    letter-spacing: 0.05em;
}

.cal-day {
    aspect-ratio: 1;
    min-height: 70px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 6px;
    font-size: 12px;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.cal-day.other-month { opacity: 0.3; }
.cal-day.today { border-color: var(--accent); }
.cal-day.today .cal-num { color: var(--accent); font-weight: 700; }

.cal-num {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-dim);
}

.cal-event {
    background: var(--accent-bg);
    color: var(--accent);
    padding: 2px 4px;
    border-radius: 3px;
    font-size: 10px;
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    cursor: pointer;
    text-decoration: none;
}
.cal-event:hover { text-decoration: none; opacity: 0.85; }

.cal-event.red { background: var(--red-bg); color: var(--red); }
.cal-event.amber { background: var(--amber-bg); color: var(--amber); }
.cal-event.green { background: var(--green-bg); color: var(--green); }

.calendar-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.calendar-month {
    font-size: 18px;
    font-weight: 700;
    text-transform: capitalize;
}

/* === Generator === */
.generator-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

@media (max-width: 768px) {
    .generator-grid { grid-template-columns: 1fr; }
    .topbar { flex-wrap: wrap; }
    .nav { order: 3; width: 100%; overflow-x: auto; }
}

.output-box {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px;
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1.7;
    white-space: pre-wrap;
    min-height: 200px;
    color: var(--text);
}

/* === Filters === */
.filters {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.filters input, .filters select {
    width: auto;
    padding: 6px 10px;
    font-size: 12px;
}

/* === Modal === */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    z-index: 999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
}
.modal-backdrop.open { display: flex; }
.modal {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

/* === Utility === */
.text-mute { color: var(--text-mute); }
.text-dim { color: var(--text-dim); }
.text-mono { font-family: var(--font-mono); }
.row-between { display: flex; justify-content: space-between; align-items: center; }
.row-gap { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-16 { margin-bottom: 16px; }
.hidden { display: none; }