@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@300;400;500;600;700;800&display=swap');

:root {
  --bg: #f0f2f5;
  --fg: #1e293b;
  --card: #ffffff;
  --card-fg: #1e293b;
  --primary: #3b82f6;
  --primary-fg: #ffffff;
  --muted: #f1f5f9;
  --muted-fg: #64748b;
  --border: #e2e8f0;
  --success: #22c55e;
  --success-fg: #fff;
  --warning: #f59e0b;
  --destructive: #ef4444;
  --radius: 0.75rem;
  --section-dark: #1e293b;
  --shadow: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
}

* { margin:0; padding:0; box-sizing:border-box; border-color: var(--border); }
body { font-family:'Be Vietnam Pro',sans-serif; background:var(--bg); color:var(--fg); min-height:100vh; }
a { text-decoration:none; color:inherit; }

/* Utilities */
.container { max-width:640px; margin:0 auto; padding:2rem 1rem; }
.container-wide { max-width:1152px; margin:0 auto; padding:2rem 1rem; }
.hidden { display:none !important; }
.uppercase { text-transform:uppercase; }
.text-center { text-align:center; }
.flex { display:flex; }
.flex-col { flex-direction:column; }
.items-center { align-items:center; }
.justify-center { justify-content:center; }
.justify-between { justify-content:space-between; }
.gap-1 { gap:0.25rem; }
.gap-2 { gap:0.5rem; }
.gap-3 { gap:0.75rem; }
.gap-4 { gap:1rem; }
.grid-2 { display:grid; grid-template-columns:1fr 1fr; gap:1rem; }
.w-full { width:100%; }
.mb-2 { margin-bottom:0.5rem; }
.mb-4 { margin-bottom:1rem; }
.mb-6 { margin-bottom:1.5rem; }
.mb-8 { margin-bottom:2rem; }
.mt-4 { margin-top:1rem; }
.mt-6 { margin-top:1.5rem; }
.mx-auto { margin-left:auto; margin-right:auto; }
.shrink-0 { flex-shrink:0; }
.flex-1 { flex:1; }
.flex-2 { flex:2; }
.overflow-x-auto { overflow-x:auto; }

/* Cards */
.card {
  background:var(--card);
  border-radius:1rem;
  border:1px solid var(--border);
  padding:1.5rem;
  box-shadow:var(--shadow);
}

.card-dark {
  background:var(--section-dark);
  border-radius:1rem;
  padding:1.5rem;
  color:var(--primary-fg);
}

/* Typography */
.page-title { font-size:1.75rem; font-weight:800; letter-spacing:-0.025em; color:var(--fg); }
.page-subtitle { font-size:0.875rem; color:var(--muted-fg); margin-top:0.25rem; }
.section-title { font-size:1.125rem; font-weight:700; text-transform:uppercase; letter-spacing:0.05em; color:var(--primary); }
.label { display:block; font-size:0.75rem; font-weight:600; text-transform:uppercase; letter-spacing:0.05em; color:var(--muted-fg); margin-bottom:0.375rem; }

/* Form */
.input {
  width:100%;
  border-radius:0.75rem;
  border:1px solid var(--border);
  background:var(--card);
  padding:0.75rem 1rem;
  font-size:0.875rem;
  color:var(--fg);
  font-family:inherit;
  transition:all 0.2s;
  outline:none;
}
.input:focus { border-color:var(--primary); box-shadow:0 0 0 3px rgba(59,130,246,0.15); }
.input::placeholder { color:var(--muted-fg); }

.select {
  width:100%;
  border-radius:0.75rem;
  border:1px solid var(--border);
  background:var(--card);
  padding:0.75rem 2.25rem 0.75rem 1rem;
  font-size:0.875rem;
  color:var(--fg);
  font-family:inherit;
  appearance:none;
  cursor:pointer;
  outline:none;
  transition:all 0.2s;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%236b7280' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 12px center;
}
.select:focus { border-color:var(--primary); box-shadow:0 0 0 3px rgba(59,130,246,0.15); }

/* Buttons */
.btn {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:0.5rem;
  border-radius:0.75rem;
  font-weight:600;
  font-size:0.875rem;
  font-family:inherit;
  cursor:pointer;
  border:none;
  padding:0.75rem 1.5rem;
  transition:all 0.2s;
}
.btn-primary { background:var(--primary); color:var(--primary-fg); width:100%; padding:1rem; font-size:1rem; box-shadow:0 4px 15px rgba(59,130,246,0.3); }
.btn-primary:hover { filter:brightness(1.1); transform:translateY(-1px); }
.btn-primary:disabled { opacity:0.4; cursor:not-allowed; transform:none; filter:none; }
.btn-success { background:var(--success); color:#fff; }
.btn-success:hover { filter:brightness(1.1); }
.btn-success:disabled { opacity:0.7; cursor:not-allowed; }
.btn-outline { background:var(--card); color:var(--fg); border:1px solid var(--border); }
.btn-outline:hover { background:var(--muted); }
.btn-ghost { background:transparent; color:var(--primary); }
.btn-ghost:hover { text-decoration:underline; }
.btn-icon { width:2.5rem; height:2.5rem; padding:0; border-radius:50%; background:var(--card); border:1px solid var(--border); cursor:pointer; display:flex; align-items:center; justify-content:center; transition:all 0.2s; }
.btn-icon:hover { background:var(--muted); }
.btn-sm { padding:0.5rem 1rem; font-size:0.8rem; border-radius:0.75rem; }

/* Upload Zone */
.upload-zone {
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:0.5rem;
  border-radius:0.75rem;
  border:2px dashed var(--border);
  background:rgba(241,245,249,0.3);
  padding:1.5rem;
  cursor:pointer;
  transition:all 0.2s;
  min-height:140px;
}
.upload-zone:hover { border-color:var(--primary); background:rgba(59,130,246,0.05); }
.upload-zone img { width:100%; height:8rem; object-fit:cover; border-radius:0.5rem; }
.upload-zone-label { font-size:0.75rem; font-weight:600; color:var(--muted-fg); text-transform:uppercase; letter-spacing:0.05em; }

/* Progress bar */
.progress-bar { display:flex; gap:0.25rem; margin-bottom:2rem; }
.progress-segment { flex:1; height:6px; border-radius:3px; background:var(--muted); transition:background 0.4s; }
.progress-segment.active { background:var(--primary); }

/* Payment method card */
.method-card {
  position:relative;
  padding:1.25rem;
  border-radius:1rem;
  border:2px solid var(--border);
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:0.75rem;
  cursor:pointer;
  transition:all 0.2s;
  background:var(--card);
}
.method-card:hover { border-color:rgba(59,130,246,0.3); box-shadow:var(--shadow); }
.method-card.selected { border-color:var(--primary); background:rgba(59,130,246,0.03); box-shadow:0 0 0 3px rgba(59,130,246,0.1); transform:scale(1.02); }
.method-card.selected-pink { border-color:var(--destructive); background:rgba(239,68,68,0.03); box-shadow:0 0 0 3px rgba(239,68,68,0.1); transform:scale(1.02); }
.method-card.selected-green { border-color:var(--success); background:rgba(34,197,94,0.03); }
.method-card-full {
  width:100%;
  padding:1rem;
  border-radius:1rem;
  border:2px solid var(--border);
  display:flex;
  align-items:center;
  gap:1rem;
  cursor:pointer;
  transition:all 0.2s;
  background:var(--card);
}
.method-card-full:hover { border-color:rgba(34,197,94,0.3); box-shadow:var(--shadow); }
.method-card-full.selected-green { border-color:var(--success); background:rgba(34,197,94,0.03); }

.check-badge {
  position:absolute;
  top:0.5rem;
  right:0.5rem;
  width:1.25rem;
  height:1.25rem;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:0.7rem;
  color:#fff;
}
.check-badge-blue { background:var(--primary); }
.check-badge-pink { background:var(--destructive); }
.check-badge-green { background:var(--success); }

.icon-circle {
  width:3.5rem;
  height:3.5rem;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.5rem;
  flex-shrink:0;
}
.icon-circle-sm { width:3rem; height:3rem; font-size:1.25rem; }

/* QR section */
.qr-header { padding:1rem; text-align:center; border-radius:1rem 1rem 0 0; }
.qr-header h2 { font-size:1.125rem; font-weight:700; color:#fff; }
.qr-header p { font-size:0.75rem; color:rgba(255,255,255,0.7); }
.qr-header-vcb { background:#1a4d2e; }
.qr-header-momo { background:#7b2d8e; }
.qr-img { width:13rem; height:13rem; object-fit:contain; }
.qr-wrapper { background:#fff; padding:1rem; border-radius:1rem; box-shadow:inset 0 2px 4px rgba(0,0,0,0.06); }

.info-row { display:flex; align-items:center; justify-content:space-between; padding:0.75rem; background:var(--muted); border-radius:0.75rem; }
.info-row-label { font-size:0.75rem; color:var(--muted-fg); }
.info-row-value { font-size:0.875rem; font-weight:700; color:var(--fg); }

.amount-highlight { padding:0.75rem; background:rgba(59,130,246,0.05); border:1px solid rgba(59,130,246,0.2); border-radius:0.75rem; text-align:center; }
.amount-highlight .label { margin-bottom:0; }
.amount-highlight .amount { font-size:1.5rem; font-weight:800; color:var(--primary); }

/* Summary row */
.summary-box { background:var(--muted); border-radius:1rem; padding:1rem; }
.summary-row { display:flex; justify-content:space-between; font-size:0.875rem; padding:0.25rem 0; }
.summary-row .key { color:var(--muted-fg); }
.summary-row .val { font-weight:500; color:var(--fg); }
.summary-row .val-primary { font-weight:700; color:var(--primary); }

/* Success */
.success-icon { width:6rem; height:6rem; border-radius:50%; background:rgba(34,197,94,0.1); display:flex; align-items:center; justify-content:center; margin:0 auto 1rem; }
.success-icon svg { width:3rem; height:3rem; color:var(--success); }

/* Admin stats */
.stat-card { background:var(--card); border-radius:0.75rem; border:1px solid var(--border); padding:1.25rem; box-shadow:var(--shadow); }
.stat-label { font-size:0.75rem; color:var(--muted-fg); font-weight:500; }
.stat-value { font-size:1.5rem; font-weight:700; color:var(--fg); margin-top:0.25rem; }
.stat-value-success { color:var(--success); }
.stat-value-warning { color:var(--warning); }

/* Table */
.table-wrap { background:var(--card); border-radius:1rem; border:1px solid var(--border); overflow:hidden; box-shadow:var(--shadow); }
table { width:100%; border-collapse:collapse; font-size:0.875rem; }
thead tr { background:var(--muted); border-bottom:1px solid var(--border); }
th { text-align:left; padding:1rem; font-size:0.75rem; font-weight:600; text-transform:uppercase; letter-spacing:0.05em; color:var(--muted-fg); }
td { padding:1rem; color:var(--fg); }
tbody tr { border-bottom:1px solid var(--border); transition:background 0.15s; }
tbody tr:hover { background:rgba(241,245,249,0.5); }
tbody tr:last-child { border-bottom:none; }

.badge { display:inline-block; padding:0.25rem 0.5rem; border-radius:0.375rem; font-size:0.75rem; font-weight:600; }
.badge-primary { background:rgba(59,130,246,0.1); color:var(--primary); }
.badge-success { background:rgba(34,197,94,0.1); color:var(--success); }
.badge-warning { background:rgba(245,158,11,0.1); color:var(--warning); }

.status-select {
  font-size:0.75rem;
  font-weight:600;
  padding:0.25rem 0.5rem;
  border-radius:9999px;
  border:none;
  cursor:pointer;
  font-family:inherit;
  outline:none;
}

.action-btn { padding:0.5rem; border-radius:0.5rem; background:transparent; border:none; cursor:pointer; transition:all 0.15s; }
.action-btn-view { color:var(--primary); }
.action-btn-view:hover { background:rgba(59,130,246,0.1); }
.action-btn-delete { color:var(--destructive); }
.action-btn-delete:hover { background:rgba(239,68,68,0.1); }

/* Modal */
.modal-overlay { position:fixed; inset:0; background:rgba(0,0,0,0.5); backdrop-filter:blur(4px); z-index:50; display:flex; align-items:center; justify-content:center; padding:1rem; }
.modal { background:var(--card); border-radius:1rem; box-shadow:var(--shadow-lg); max-width:32rem; width:100%; max-height:90vh; overflow-y:auto; padding:1.5rem; }
.modal-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:1.5rem; }
.modal-header h3 { font-size:1.125rem; font-weight:700; }
.modal-close { padding:0.25rem; border-radius:0.5rem; background:transparent; border:none; cursor:pointer; color:var(--muted-fg); transition:all 0.15s; }
.modal-close:hover { background:var(--muted); }
.detail-row { display:flex; justify-content:space-between; padding:0.5rem 0; border-bottom:1px solid rgba(226,232,240,0.5); font-size:0.875rem; }
.detail-row .key { color:var(--muted-fg); }
.detail-row .val { font-weight:500; color:var(--fg); }
.cccd-images { display:grid; grid-template-columns:1fr 1fr; gap:0.75rem; margin-top:1.5rem; }
.cccd-images img { width:100%; border-radius:0.5rem; border:1px solid var(--border); }
.cccd-images .img-label { font-size:0.75rem; color:var(--muted-fg); margin-bottom:0.25rem; }

/* Toast */
.toast-container { position:fixed; top:1rem; right:1rem; z-index:100; display:flex; flex-direction:column; gap:0.5rem; }
.toast { background:var(--card); border:1px solid var(--border); border-radius:0.75rem; padding:0.75rem 1rem; box-shadow:var(--shadow-lg); font-size:0.875rem; animation:slideIn 0.3s ease-out; min-width:250px; }
.toast-title { font-weight:600; color:var(--fg); }
.toast-desc { font-size:0.8rem; color:var(--muted-fg); margin-top:0.125rem; }
.toast-error { border-color:var(--destructive); }
@keyframes slideIn { from{transform:translateX(100%);opacity:0} to{transform:translateX(0);opacity:1} }

/* Spinner */
.spinner { width:1.25rem; height:1.25rem; border:2px solid rgba(255,255,255,0.3); border-top-color:#fff; border-radius:50%; animation:spin 0.6s linear infinite; display:inline-block; }
@keyframes spin { to{transform:rotate(360deg)} }

/* Fade in animation */
.fade-in { animation:fadeIn 0.3s ease-out; }
@keyframes fadeIn { from{opacity:0;transform:translateY(8px)} to{opacity:1;transform:translateY(0)} }

/* Responsive */
@media(max-width:640px) {
  .hide-mobile { display:none; }
  .grid-2 { grid-template-columns:1fr 1fr; }
  .grid-4 { grid-template-columns:1fr 1fr; }
}
@media(min-width:641px) {
  .grid-4 { display:grid; grid-template-columns:repeat(4,1fr); gap:1rem; }
}
@media(max-width:640px) {
  .grid-4 { display:grid; grid-template-columns:repeat(2,1fr); gap:1rem; }
}

/* Nav link */
.nav-link { display:flex; align-items:center; gap:0.5rem; color:var(--muted-fg); font-size:0.875rem; font-weight:500; transition:color 0.15s; }
.nav-link:hover { color:var(--fg); }

/* SVG icons inline styling */
.icon { width:1rem; height:1rem; }
.icon-lg { width:1.25rem; height:1.25rem; }
.icon-xl { width:2rem; height:2rem; }
.icon-primary { color:var(--primary); }
.icon-success { color:var(--success); }
.icon-muted { color:var(--muted-fg); }
.icon-white { color:#fff; }
.icon-destructive { color:var(--destructive); }
.icon-warning { color:var(--warning); }