/* assets/css/style.css — Hyundai Invoicing System */

:root {
  --primary: #003087;
  --primary-light: #1a4db5;
  --accent: #e63946;
  --success: #2d7d46;
  --success-bg: #d4edda;
  --warning: #856404;
  --warning-bg: #fff3cd;
  --danger: #842029;
  --danger-bg: #f8d7da;
  --bg: #f5f7fb;
  --surface: #ffffff;
  --border: #e2e8f0;
  --text: #1a202c;
  --text-muted: #718096;
  --radius: 10px;
  --shadow: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ─── NAVBAR ─────────────────────────────────────────────────────────── */
.navbar {
  background: var(--primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 60px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  position: sticky;
  top: 0;
  z-index: 100;
  flex-wrap: wrap;
  gap: 8px;
}

.nav-brand { display: flex; align-items: center; gap: 10px; }
.brand-icon { font-size: 22px; }
.brand-text { font-size: 17px; font-weight: 700; letter-spacing: -0.3px; }

.nav-links { display: flex; gap: 4px; }
.nav-link {
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  transition: background 0.15s;
}
.nav-link:hover, .nav-link.active {
  background: rgba(255,255,255,0.15);
  color: white;
}

.nav-user { display: flex; align-items: center; gap: 10px; }
.user-name { font-size: 13px; color: rgba(255,255,255,0.85); }
.nav-user .btn-outline {
  color: white;
  border-color: rgba(255,255,255,0.6);
}
.nav-user .btn-outline:hover {
  background: rgba(255,255,255,0.2);
  color: white;
  border-color: white;
}
.btn-logout {
  background: rgba(220,53,69,0.85);
  color: white !important;
  border: 1px solid rgba(220,53,69,0.6);
  font-weight: 600;
  letter-spacing: 0.2px;
}
.btn-logout:hover {
  background: #dc3545;
  border-color: #dc3545;
  color: white !important;
}

/* ─── MAIN CONTENT ───────────────────────────────────────────────────── */
.main-content {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 28px 24px;
}

/* ─── PAGE HEADER ─────────────────────────────────────────────────────── */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}
.page-title { font-size: 22px; font-weight: 700; color: var(--primary); }
.page-subtitle { color: var(--text-muted); font-size: 14px; }

/* ─── CARDS ───────────────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}
.card-narrow { max-width: 600px; }
.card-title { font-size: 16px; font-weight: 600; color: var(--primary); margin-bottom: 16px; }

/* ─── STATS GRID ──────────────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stats-grid-3 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

.stat-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 22px 20px;
  text-align: center;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  border-top: 4px solid transparent;
}
.stat-blue  { border-top-color: #3b82f6; }
.stat-green { border-top-color: #22c55e; }
.stat-teal  { border-top-color: #14b8a6; }
.stat-orange { border-top-color: #f59e0b; }

.stat-icon  { font-size: 28px; margin-bottom: 8px; }
.stat-value { font-size: 26px; font-weight: 700; color: var(--primary); line-height: 1; }
.stat-label { font-size: 12px; color: var(--text-muted); margin-top: 5px; font-weight: 500; }

/* ─── BADGES & STATUS ──────────────────────────────────────────────────── */
.user-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 50px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.badge-admin    { background: #dbeafe; color: #1d4ed8; }
.badge-mechanic { background: #d1fae5; color: #065f46; }

.status-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 50px;
  font-size: 11px;
  font-weight: 600;
}
.status-paid        { background: var(--success-bg); color: var(--success); }
.status-outstanding { background: var(--warning-bg); color: var(--warning); }

.branch-badge {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  margin-right: 4px;
}
.branch-er { background: #dbeafe; color: #1e40af; }
.branch-kp { background: #fce7f3; color: #9d174d; }
.branch-gl { background: #dcfce7; color: #14532d; }

/* ─── TABLES ──────────────────────────────────────────────────────────── */
.table-responsive { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th {
  text-align: left;
  padding: 10px 14px;
  background: #f8fafc;
  border-bottom: 2px solid var(--border);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.data-table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.data-table tbody tr:hover { background: #f8fafc; }
.data-table tfoot td { font-weight: 700; background: #f0f4ff; border-top: 2px solid var(--primary); }
.table-footer {
  padding: 12px 14px;
  font-size: 13px;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}
.row-inactive td { opacity: 0.5; }
.totals-row td { font-weight: 700; background: #f0f4ff; border-top: 2px solid var(--primary); }

/* ─── FORMS ───────────────────────────────────────────────────────────── */
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 6px;
}
.form-control {
  width: 100%;
  padding: 9px 12px;
  border: 1.5px solid var(--border);
  border-radius: 7px;
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
  background: var(--surface);
  color: var(--text);
}
.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,48,135,0.1);
}
.form-control-sm { width: auto; padding: 5px 8px; font-size: 13px; }
.form-actions { display: flex; gap: 10px; margin-top: 24px; }

.form-fieldset {
  border: 1.5px solid var(--border);
  border-radius: 8px;
  padding: 16px 18px 8px;
  margin-bottom: 18px;
}
.form-fieldset legend {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  padding: 0 6px;
}

.section-subhead {
  background: var(--bg);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  padding: 8px 14px !important;
}
.checkbox-label { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.checkbox-label input { width: 16px; height: 16px; }

/* ─── BUTTONS ─────────────────────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 8px 18px;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  border: none;
  transition: all 0.15s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: white;
}
.btn-primary:hover { background: var(--primary-light); }

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
}
.btn-outline:hover { background: var(--primary); color: white; }

.btn-danger {
  background: #dc3545;
  color: white;
}
.btn-danger:hover { background: #b02a37; }

.btn-sm  { padding: 5px 12px; font-size: 12px; }
.btn-lg  { padding: 11px 24px; font-size: 15px; }
.btn-full { width: 100%; text-align: center; }

/* ─── FILTER BAR ──────────────────────────────────────────────────────── */
.filter-bar { padding: 16px 20px; }
.filter-form { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; }
.filter-group { display: flex; flex-direction: column; gap: 4px; min-width: 150px; }
.filter-group label { font-size: 12px; font-weight: 500; color: var(--text-muted); }
.filter-group .form-control { padding: 7px 10px; font-size: 13px; }

/* ─── ALERTS ─────────────────────────────────────────────────────────── */
.alert {
  padding: 12px 18px;
  border-radius: var(--radius);
  margin-bottom: 18px;
  font-size: 13px;
  font-weight: 500;
}
.alert-success { background: var(--success-bg); color: var(--success); border: 1px solid #b7dfca; }
.alert-error   { background: var(--danger-bg);  color: var(--danger);  border: 1px solid #f1aeb5; }
.alert-warning { background: var(--warning-bg); color: var(--warning); border: 1px solid #ffe69c; }

/* ─── MISC ────────────────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 40px;
  color: var(--text-muted);
  font-size: 14px;
}
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.quick-links  { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
.detail-table { width: 100%; border-collapse: collapse; }
.detail-table th { width: 140px; padding: 10px 14px; text-align: left; color: var(--text-muted); font-size: 13px; border-bottom: 1px solid var(--border); }
.detail-table td { padding: 10px 14px; border-bottom: 1px solid var(--border); }
.amount-highlight { font-size: 18px; font-weight: 700; color: var(--primary); }
.invoice-header-block { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 24px; }
.invoice-company { font-size: 20px; font-weight: 700; color: var(--primary); }
.invoice-meta    { font-size: 12px; color: var(--text-muted); }
.inv-num         { font-size: 24px; font-weight: 700; color: var(--primary); }
.invoice-number-block { text-align: right; }
.status-form { display: flex; align-items: center; gap: 10px; margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--border); }
.statement-month-title {
  font-size: 20px; font-weight: 700; color: var(--primary);
  margin-bottom: 20px; letter-spacing: -0.3px;
}

/* ─── PER-BRANCH STATEMENT ───────────────────────────────────────────── */
.branch-statement-block {
  background: white;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  margin-bottom: 28px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}
.branch-statement-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--primary);
}
.branch-badge-lg {
  font-size: 13px !important;
  padding: 5px 10px !important;
}
.branch-statement-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--primary);
  margin: 0;
}
.branch-statement-meta {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}
.stats-grid-4 { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }

/* ─── LOGIN PAGE ──────────────────────────────────────────────────────── */
.login-body {
  background: linear-gradient(135deg, #003087 0%, #1a4db5 60%, #0d6efd 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-container { width: 100%; max-width: 420px; padding: 20px; }
.login-card {
  background: white;
  border-radius: 16px;
  padding: 40px 36px;
  box-shadow: var(--shadow-md);
}
.login-logo { text-align: center; margin-bottom: 30px; }
.logo-icon  { font-size: 48px; }
.login-title    { font-size: 22px; font-weight: 700; color: var(--primary); margin-top: 10px; }
.login-subtitle { color: var(--text-muted); font-size: 13px; margin-top: 4px; }
.login-form     { margin-top: 24px; }
.login-branches { text-align: center; margin-top: 20px; font-size: 12px; color: var(--text-muted); }

/* ─── FOOTER ─────────────────────────────────────────────────────────── */
.footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 14px 24px;
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
}

/* ─── RESPONSIVE ─────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .navbar { height: auto; padding: 12px 16px; flex-wrap: wrap; }
  .nav-links { order: 3; width: 100%; justify-content: center; }
  .main-content { padding: 20px 16px; }
  .page-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .stats-grid  { grid-template-columns: 1fr 1fr; }
  .filter-form { flex-direction: column; }
  .form-actions { flex-direction: column; }
  .invoice-header-block { flex-direction: column; gap: 12px; }
}