/* =====================================================================
   EURAKORA ERP Lite — Design System
   A ledger-inspired palette (deep teal + muted gold) instead of the
   generic admin-template blue. Numbers/codes use a mono face throughout,
   the way a real accounting system stamps invoice and batch numbers.
   ===================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
    --bg:        #F4F6F5;
    --surface:   #FFFFFF;
    --ink:       #17221F;
    --muted:     #64726C;
    --primary:   #234E44;
    --primary-2: #2E6B5B;
    --accent:    #B98A2E;
    --border:    #DDE4E1;
    --success:   #2E7D5B;
    --success-bg:#E7F3ED;
    --warn:      #B98A2E;
    --warn-bg:   #FBF1DE;
    --danger:    #A6432C;
    --danger-bg: #FBEAE5;
    --radius:    8px;
    --shadow:    0 1px 2px rgba(23,34,31,.06), 0 1px 12px rgba(23,34,31,.04);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 14.5px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
    font-weight: 600;
    color: var(--ink);
    margin: 0 0 .4em;
    letter-spacing: -0.01em;
}

a { color: var(--primary-2); text-decoration: none; }
a:hover { text-decoration: underline; }

.mono {
    font-family: 'IBM Plex Mono', ui-monospace, monospace;
    font-variant-numeric: tabular-nums;
}

/* ---------- App shell ---------- */

.app-shell {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 232px;
    flex-shrink: 0;
    background: var(--primary);
    color: #DCE8E3;
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-brand {
    padding: 22px 20px 16px;
    border-bottom: 1px solid rgba(255,255,255,.12);
}

.sidebar-brand .mark {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 18px;
    color: #fff;
    letter-spacing: .02em;
}

.sidebar-brand .sub {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    color: var(--accent);
    letter-spacing: .06em;
    text-transform: uppercase;
    margin-top: 2px;
}

.nav-group {
    padding: 14px 12px 4px;
}

.nav-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: rgba(220,232,227,.5);
    padding: 6px 10px 4px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 10px;
    border-radius: 6px;
    color: #DCE8E3;
    font-size: 13.5px;
    font-weight: 500;
}

.nav-link:hover { background: rgba(255,255,255,.08); text-decoration: none; }

.nav-link.active {
    background: rgba(255,255,255,.14);
    color: #fff;
    box-shadow: inset 3px 0 0 var(--accent);
}

.sidebar-footer {
    margin-top: auto;
    padding: 16px 20px 20px;
    border-top: 1px solid rgba(255,255,255,.12);
    font-size: 12px;
    color: rgba(220,232,227,.75);
}

.sidebar-footer a { color: var(--accent); }

/* ---------- Main column ---------- */

.main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.topbar {
    height: 60px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 5;
}

.topbar .page-title { font-size: 16px; font-weight: 600; font-family: 'Space Grotesk', sans-serif; }

.user-chip {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--muted);
}

.user-chip .initials {
    width: 30px; height: 30px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 12px; font-weight: 600;
}

.content { padding: 24px; max-width: 1240px; }

/* ---------- Cards ---------- */

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
    margin-bottom: 20px;
}

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

.card-header h2, .card-header h3 { margin: 0; }

/* ---------- KPI grid (ledger-line signature) ---------- */

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 14px;
    margin-bottom: 22px;
}

.kpi-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 18px;
    position: relative;
}

.kpi-eyebrow {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: .09em;
    color: var(--muted);
}

.kpi-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 24px;
    font-weight: 700;
    margin-top: 6px;
    color: var(--ink);
}

.kpi-card::after {
    content: '';
    display: block;
    margin-top: 12px;
    height: 3px;
    background: repeating-linear-gradient(90deg, var(--border) 0 6px, transparent 6px 10px);
}

.kpi-card.accent .kpi-value { color: var(--primary-2); }
.kpi-card.warn .kpi-value { color: var(--warn); }
.kpi-card.danger .kpi-value { color: var(--danger); }

/* ---------- Tables ---------- */

table { width: 100%; border-collapse: collapse; font-size: 13.5px; }

th {
    text-align: left;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: .07em;
    color: var(--muted);
    padding: 8px 10px;
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
}

td {
    padding: 10px 10px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

tr:last-child td { border-bottom: none; }
tbody tr:hover { background: #FAFBFA; }

.text-right { text-align: right; }
.text-muted { color: var(--muted); }

.table-actions { display: flex; gap: 10px; white-space: nowrap; }
.table-actions a { font-size: 12.5px; font-weight: 500; }
.table-actions .danger-link { color: var(--danger); }

/* ---------- Badges ---------- */

.badge {
    display: inline-block;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .04em;
    padding: 3px 8px;
    border-radius: 4px;
}
.badge-paid    { background: var(--success-bg); color: var(--success); }
.badge-partial { background: var(--warn-bg);    color: var(--warn); }
.badge-unpaid  { background: var(--danger-bg);  color: var(--danger); }

/* ---------- Buttons ---------- */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    font-weight: 600;
    padding: 9px 16px;
    border-radius: 6px;
    border: 1px solid transparent;
    cursor: pointer;
    background: var(--primary);
    color: #fff;
}
.btn:hover { background: var(--primary-2); text-decoration: none; }

.btn-outline {
    background: transparent;
    border-color: var(--border);
    color: var(--ink);
}
.btn-outline:hover { background: #F0F3F2; }

.btn-sm { padding: 6px 12px; font-size: 12.5px; }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #8B3623; }

/* ---------- Forms ---------- */

label {
    display: block;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--muted);
    margin-bottom: 5px;
}

input[type=text], input[type=email], input[type=password], input[type=number],
input[type=date], input[type=search], select, textarea {
    width: 100%;
    padding: 9px 11px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-family: inherit;
    font-size: 13.5px;
    background: #fff;
    color: var(--ink);
}

input:focus, select:focus, textarea:focus {
    outline: 2px solid var(--primary-2);
    outline-offset: 1px;
}

.form-row { margin-bottom: 14px; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; }
.form-actions { display: flex; gap: 10px; margin-top: 18px; }

.item-row { display: grid; grid-template-columns: 2.2fr .8fr .9fr .9fr 32px; gap: 10px; align-items: end; margin-bottom: 10px; }
.item-row .remove-row { color: var(--danger); text-align: center; cursor: pointer; padding-bottom: 9px; font-weight: 700; }

/* ---------- Alerts / empty states ---------- */

.alert {
    padding: 12px 14px;
    border-radius: 6px;
    font-size: 13.5px;
    margin-bottom: 16px;
}
.alert-danger { background: var(--danger-bg); color: var(--danger); border: 1px solid #F0CFC4; }
.alert-success { background: var(--success-bg); color: var(--success); border: 1px solid #C7E4D6; }

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--muted);
}

/* ---------- Auth screen ---------- */

.auth-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    background-image: radial-gradient(circle at 20% 20%, rgba(255,255,255,.06), transparent 40%);
    padding: 20px;
}

.auth-card {
    width: 100%;
    max-width: 380px;
    background: var(--surface);
    border-radius: 10px;
    padding: 32px;
    box-shadow: 0 10px 40px rgba(0,0,0,.25);
}

.auth-brand { text-align: center; margin-bottom: 24px; }
.auth-brand .mark { font-family: 'Space Grotesk', sans-serif; font-size: 22px; font-weight: 700; color: var(--primary); }
.auth-brand .sub { font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); margin-top: 4px; }

.auth-footer { text-align: center; margin-top: 18px; font-size: 12.5px; color: var(--muted); }

/* ---------- Misc ---------- */

.pill-nav { display: flex; gap: 8px; margin-bottom: 18px; flex-wrap: wrap; }
.pill-nav a {
    font-size: 12.5px; font-weight: 600; padding: 7px 13px; border-radius: 999px;
    border: 1px solid var(--border); color: var(--muted); background: var(--surface);
}
.pill-nav a.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.pill-nav a:hover { text-decoration: none; }

.section-eyebrow {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 4px;
}

/* ---------- Responsive ---------- */

@media (max-width: 880px) {
    .app-shell { flex-direction: column; }
    .sidebar { width: 100%; height: auto; position: relative; flex-direction: row; overflow-x: auto; }
    .sidebar-brand { border-bottom: none; padding: 14px 16px; }
    .nav-group { display: flex; padding: 8px; white-space: nowrap; }
    .nav-label { display: none; }
    .sidebar-footer { display: none; }
    .content { padding: 16px; }
    .item-row { grid-template-columns: 1fr; }
}

:focus-visible { outline: 2px solid var(--primary-2); outline-offset: 2px; }

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