/* Slada Customer Portal — Modern Hand-Rolled Design System */
:root {
  --green-900: #14532d;
  --green-800: #166534;
  --green-600: #16a34a;
  --green-500: #22c55e;
  --green-100: #dcfce7;
  --green-50:  #f0fdf4;

  --orange-600: #ea580c;
  --orange-100: #ffedd5;

  --ink-900: #0f172a;
  --ink-700: #334155;
  --ink-500: #64748b;
  --ink-200: #e2e8f0;
  --ink-100: #f1f5f9;

  --white: #ffffff;
  --danger: #ef4444;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;

  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.05);
  --shadow-pop:  0 12px 32px rgba(22, 163, 74, 0.12);
  --container: 1100px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--ink-900);
  background: #f8fafc;
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
h1, h2, h3, h4 { margin: 0 0 .4em; font-weight: 800; line-height: 1.25; color: var(--ink-900); }
p { margin: 0 0 1em; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

/* Navigation Header */
.portal-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--ink-200);
  box-shadow: 0 2px 10px rgba(0,0,0,0.03);
}
.portal-header-top {
  background: var(--green-900);
  color: var(--green-100);
  font-size: 13px;
  padding: 6px 0;
}
.portal-header-top .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.portal-header-main {
  padding: 12px 0;
}
.portal-header-main .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  color: var(--green-900);
}
.brand-badge {
  background: var(--green-100);
  color: var(--green-800);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  font-weight: 700;
}

.portal-nav {
  display: flex;
  align-items: center;
  gap: 22px;
}
.portal-nav a:not(.btn) {
  font-weight: 600;
  font-size: 14.5px;
  color: var(--ink-700);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: all .15s ease;
}
.portal-nav a:not(.btn):hover, .portal-nav a:not(.btn).active {
  color: var(--green-600);
  border-color: var(--green-600);
}
.portal-nav .btn { flex-shrink: 0; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: var(--radius-md);
  padding: 10px 20px;
  font-size: 14.5px;
  font-weight: 700;
  cursor: pointer;
  transition: all .15s ease;
}
.btn-primary {
  background: linear-gradient(135deg, var(--green-600), var(--green-800));
  color: var(--white);
  box-shadow: 0 4px 14px rgba(22, 163, 74, 0.25);
}
.btn-primary:hover {
  box-shadow: 0 6px 20px rgba(22, 163, 74, 0.35);
  transform: translateY(-1px);
}
.btn-secondary {
  background: var(--green-100);
  color: var(--green-800);
}
.btn-secondary:hover { background: #bbf7d0; }
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--ink-200);
  color: var(--ink-700);
}
.btn-outline:hover { background: var(--ink-100); }
.btn-block { width: 100%; }
.btn-sm { padding: 6px 14px; font-size: 13px; border-radius: var(--radius-sm); }

/* Cards & Panels */
.card-panel {
  background: var(--white);
  border: 1px solid var(--ink-200);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card);
}

/* Stat Grid */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin-bottom: 28px;
}
.stat-card {
  background: var(--white);
  border: 1px solid var(--ink-200);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow-card);
}
.stat-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background: var(--green-50);
  color: var(--green-600);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}
.stat-val { font-size: 22px; font-weight: 800; color: var(--ink-900); }
.stat-lbl { font-size: 13px; color: var(--ink-500); font-weight: 600; }

/* Status Badges */
.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}
.badge-paid { background: var(--green-100); color: var(--green-800); }
.badge-due  { background: var(--orange-100); color: var(--orange-600); }
.badge-partial { background: #fef3c7; color: #92400e; }

/* Tables */
.portal-table {
  width: 100%;
  border-collapse: collapse;
  margin: 10px 0;
}
.portal-table th {
  background: var(--green-50);
  color: var(--green-800);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .04em;
  padding: 12px 14px;
  text-align: left;
  border-bottom: 2px solid var(--ink-200);
}
.portal-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--ink-200);
  font-size: 14px;
  vertical-align: middle;
}

/* Alerts */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  font-size: 14px;
  font-weight: 600;
}
.alert-success { background: var(--green-100); color: var(--green-800); border: 1px solid #bbf7d0; }
.alert-error   { background: #fee2e2; color: #dc2626; border: 1px solid #fca5a5; }
.alert-info    { background: #e0f2fe; color: #0369a1; border: 1px solid #bae6fd; }

/* Dynamic QRIS Display Box */
.qris-box {
  background: #ffffff;
  border: 2px solid var(--green-600);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  box-shadow: var(--shadow-pop);
}
.qris-qr-img {
  width: 240px;
  height: 240px;
  margin: 16px auto;
  border-radius: 12px;
  border: 1px solid var(--ink-200);
  padding: 8px;
  background: #fff;
}

/* Timeline Stepper (Order Tracking) */
.tracking-stepper {
  display: flex;
  justify-content: space-between;
  margin: 30px 0;
  position: relative;
}
.tracking-step {
  flex: 1;
  text-align: center;
  position: relative;
}
.tracking-step::before {
  content: '';
  position: absolute;
  top: 20px;
  left: -50%;
  width: 100%;
  height: 4px;
  background: var(--ink-200);
  z-index: 1;
}
.tracking-step:first-child::before { display: none; }
.tracking-step.is-done::before { background: var(--green-600); }

.tracking-dot {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--ink-200);
  color: var(--ink-500);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 10px;
  font-size: 18px;
  position: relative;
  z-index: 2;
}
.tracking-step.is-done .tracking-dot { background: var(--green-600); color: var(--white); }
.tracking-step.is-current .tracking-dot { background: var(--orange-600); color: var(--white); box-shadow: 0 0 0 6px var(--orange-100); }

@media (max-width: 700px) {
  .portal-nav { display: none; }
  .tracking-stepper { flex-direction: column; gap: 20px; align-items: flex-start; }
  .tracking-step { display: flex; align-items: center; gap: 14px; text-align: left; }
  .tracking-step::before { display: none; }
}