/* GK Trendz ERP — Premium Design System (plain CSS, no build step) */
:root {
    --navy: #0B1F3A;
    --navy-light: #142c52;
    --gold: #C9A227;
    --gold-light: #e6c757;
    --bg: #F8F9FA;
    --blue: #0B5AA8;
    --blue-dark: #094a8a;
    --radius: 14px;
    --shadow: 0 2px 14px rgba(11, 31, 58, 0.08);
    --shadow-hover: 0 8px 24px rgba(11, 31, 58, 0.12);
}

* { box-sizing: border-box; }
body { background: var(--bg); font-family: 'Inter', 'Segoe UI', Roboto, sans-serif; margin: 0; color: #222; }
a { text-decoration: none; }

/* ---------- Layout shell ---------- */
.v-wrapper { display: flex; min-height: 100vh; }
.v-sidebar {
    width: 250px; background: var(--navy); flex-shrink: 0; position: fixed; top: 0; bottom: 0; left: 0;
    overflow-y: auto; transition: transform .2s ease; z-index: 1000;
}
.v-sidebar .brand { padding: 20px; color: #fff; font-weight: 700; letter-spacing: .5px; border-bottom: 1px solid rgba(255,255,255,.08); }
.v-nav { list-style: none; margin: 10px 0; padding: 0 10px; }
.v-nav li a {
    display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 8px;
    color: rgba(255,255,255,.85); font-size: .92rem; margin-bottom: 2px;
}
.v-nav li a:hover { background: rgba(255,255,255,.06); }
.v-nav li a.active { background: var(--gold); color: var(--navy); font-weight: 600; }

.v-main { margin-left: 250px; flex: 1; min-width: 0; }
.v-topbar {
    background: #fff; box-shadow: var(--shadow); padding: 12px 24px; display: flex; align-items: center;
    justify-content: space-between; position: sticky; top: 0; z-index: 900;
}
.v-content { padding: 24px; }
.v-page-title { font-size: 1.4rem; font-weight: 700; color: var(--navy); margin: 0 0 16px; }

@media (max-width: 900px) {
    .v-sidebar { transform: translateX(-100%); }
    .v-sidebar.open { transform: translateX(0); }
    .v-main { margin-left: 0; }
}

/* ---------- Cards ---------- */
.v-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); margin-bottom: 20px; overflow: hidden; }
.v-card:hover { box-shadow: var(--shadow-hover); }
.v-card-header { padding: 14px 20px; font-weight: 600; color: var(--navy); border-bottom: 1px solid #eef0f2; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.v-card-body { padding: 20px; }

/* ---------- KPI cards ---------- */
.v-kpi { border-radius: var(--radius); padding: 18px 20px; background: #fff; box-shadow: var(--shadow); border-left: 4px solid var(--gold); }
.v-kpi.danger { border-left-color: #dc3545; }
.v-kpi.success { border-left-color: #198754; }
.v-kpi-label { font-size: .78rem; color: #6c757d; text-transform: uppercase; letter-spacing: .5px; }
.v-kpi-value { font-size: 1.5rem; font-weight: 700; color: var(--navy); margin-top: 4px; }

/* ---------- Buttons ---------- */
.v-btn {
    display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: 8px; border: none;
    font-size: .88rem; font-weight: 500; cursor: pointer; text-decoration: none;
}
.v-btn-primary { background: var(--blue); color: #fff; }
.v-btn-primary:hover { background: var(--blue-dark); color: #fff; }
.v-btn-gold { background: var(--gold); color: var(--navy); font-weight: 600; }
.v-btn-gold:hover { background: var(--gold-light); }
.v-btn-secondary { background: #eef0f2; color: #333; }
.v-btn-danger { background: #fdecea; color: #dc3545; }
.v-btn-outline { background: #fff; border: 1px solid #dcdfe3; color: #333; }
.v-btn-sm { padding: 5px 10px; font-size: .78rem; }

/* ---------- Badges ---------- */
.v-badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: .74rem; font-weight: 600; }
.v-badge-gold { background: var(--gold); color: var(--navy); }
.v-badge-active { background: #e7f7ee; color: #198754; }
.v-badge-inactive { background: #f1f3f5; color: #6c757d; }
.v-badge-blocked, .v-badge-danger { background: #fdecea; color: #dc3545; }
.v-badge-secondary { background: #eef0f2; color: #444; }

/* ---------- Forms ---------- */
.v-form-group { margin-bottom: 14px; }
.v-form-group label { display: block; font-size: .84rem; font-weight: 600; color: #333; margin-bottom: 5px; }
.v-input, .v-select, textarea.v-input {
    width: 100%; padding: 9px 12px; border: 1px solid #dcdfe3; border-radius: 8px; font-size: .9rem; background: #fff;
}
.v-input:focus, .v-select:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(11,90,168,.12); }
.v-row { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 0; }
.v-row > .v-form-group { flex: 1; min-width: 180px; }

/* ---------- Tables ---------- */
table.v-table { width: 100%; border-collapse: collapse; }
table.v-table thead th { background: var(--navy); color: #fff; padding: 10px 12px; font-size: .78rem; text-transform: uppercase; letter-spacing: .4px; text-align: left; }
table.v-table tbody td { padding: 9px 12px; border-bottom: 1px solid #eef0f2; font-size: .88rem; }
table.v-table tbody tr:hover { background: #f8f9fb; }

/* ---------- Alerts ---------- */
.v-alert { padding: 12px 16px; border-radius: 10px; margin-bottom: 16px; font-size: .9rem; }
.v-alert-success { background: #e7f7ee; color: #146c3f; }
.v-alert-error { background: #fdecea; color: #a52532; }
.v-alert-info { background: #e8f1fb; color: #0B5AA8; }

/* ---------- Tabs ---------- */
.v-tabs { display: flex; gap: 4px; margin-bottom: 0; border-bottom: 2px solid #eef0f2; }
.v-tabs a { padding: 10px 16px; font-size: .88rem; color: #6c757d; border-bottom: 2px solid transparent; margin-bottom: -2px; }
.v-tabs a.active { color: var(--navy); border-color: var(--gold); font-weight: 600; }

/* ---------- Misc ---------- */
.v-muted { color: #6c757d; }
.v-text-right { text-align: right; }
.v-text-danger { color: #dc3545; }
.v-text-success { color: #198754; }
.v-mb-0 { margin-bottom: 0 !important; }
.v-flex-between { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }