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

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

:root {
  --bg-primary: #000000;
  --bg-card: #111111;
  --bg-card-hover: #1a1a1a;
  --border: #333333;
  --border-focus: #ffffff;
  --text-primary: #ffffff;
  --text-secondary: #aaaaaa;
  --text-muted: #777777;
  --accent: #ffffff;
  --accent-glow: rgba(255,255,255,0.1);
  --success: #22c55e;
  --error: #ff4444;
  --warning: #f59e0b;
  --radius: 8px;
  --radius-sm: 4px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  position: relative;
  line-height: 1.5;
}

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

.container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 440px;
}

/* ===== Brand Header ===== */
.brand {
  text-align: center;
  margin-bottom: 32px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.brand-name,
.logo {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -1px;
  color: var(--text-primary);
  text-align: center;
}

.brand-tagline {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 2px;
  text-align: center;
  margin-top: 6px;
}

/* ===== Card ===== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
}

.card .brand {
  margin-top: 32px;
  margin-bottom: 0;
}

.card .brand-name,
.card .logo {
  font-size: 20px;
}

h1, .card-title, .title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  text-align: center;
}

.subtitle, .card-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 28px;
  line-height: 1.6;
  text-align: center;
}

/* ===== Forms ===== */
.form-group { margin-bottom: 20px; }

.form-label,
label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-input,
input[type="text"],
input[type="email"],
input[type="number"],
input[type="password"],
select,
textarea {
  width: 100%;
  padding: 14px 16px;
  background: #000000;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 15px;
  font-family: var(--font);
  transition: all 0.2s ease;
  outline: none;
  -moz-appearance: textfield;
}

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.form-input::placeholder,
input::placeholder,
select::placeholder,
textarea::placeholder {
  color: var(--text-muted);
}

.form-input:hover,
input:hover,
select:hover,
textarea:hover { border-color: #555555; }

.form-input:focus,
input:focus,
select:focus,
textarea:focus { border-color: var(--border-focus); }

input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus {
  -webkit-box-shadow: 0 0 0 1000px #000 inset;
  -webkit-text-fill-color: #fff;
  caret-color: #fff;
  transition: background-color 5000s ease-in-out 0s;
}

.form-hint {
  display: block;
  margin-top: 6px;
  font-size: 11px;
  color: var(--text-muted);
}

/* Amount input */
.amount-wrapper,
.input-wrap {
  position: relative;
}

.amount-wrapper .form-input,
.input-wrap input[type="number"] {
  padding-right: 70px;
  font-size: 20px;
  font-weight: 600;
}

.currency-badge,
.currency {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 13px;
  font-weight: 700;
  color: #000000;
  background: #ffffff;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  pointer-events: none;
}

[dir="rtl"] .amount-wrapper .form-input,
[dir="rtl"] .input-wrap input[type="number"] {
  padding-right: 16px;
  padding-left: 70px;
}

[dir="rtl"] .currency-badge,
[dir="rtl"] .currency {
  right: auto;
  left: 14px;
}

.form-row,
.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.row { display: flex; gap: 12px; }
.row > div { flex: 1; }

/* ===== Buttons ===== */
.pay-btn,
.btn,
button,
.btn-primary,
.btn-secondary {
  width: 100%;
  padding: 16px 24px;
  margin-top: 12px;
  background: #ffffff;
  border: 1px solid #ffffff;
  border-radius: var(--radius-sm);
  color: #000000;
  font-size: 15px;
  font-weight: 700;
  font-family: var(--font);
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
}

.pay-btn:hover:not(:disabled),
.btn:hover:not(:disabled),
button:hover:not(:disabled),
.btn-primary:hover:not(:disabled) {
  background: #e0e0e0;
  border-color: #e0e0e0;
}

.pay-btn:disabled,
.btn:disabled,
button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: opacity 0.2s;
}

.pay-btn.loading .btn-text,
.btn.loading .btn-text,
button.loading .btn-text { opacity: 0; }

.pay-btn .spinner,
.btn .spinner,
button .spinner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  border: 2px solid rgba(0,0,0,0.2);
  border-top-color: #000000;
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.2s;
}

.pay-btn.loading .spinner,
.btn.loading .spinner,
button.loading .spinner {
  opacity: 1;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
}

.btn-secondary:hover:not(:disabled) { background: #222; }

/* ===== Errors / Messages ===== */
.error-msg,
.message.error,
.error {
  display: none;
  margin-top: 16px;
  padding: 12px 16px;
  background: rgba(255,68,68,0.1);
  border: 1px solid rgba(255,68,68,0.3);
  border-radius: var(--radius-sm);
  color: var(--error);
  font-size: 13px;
}

.error-msg.visible,
.error.visible,
.message.error { display: block; }

.message {
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  display: none;
}

/* ===== Security / Footer ===== */
.security-badge,
.secure-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.security-badge svg,
.secure-note svg {
  width: 12px;
  height: 12px;
  fill: currentColor;
}

.secure-note svg { stroke: currentColor; fill: none; }

.payment-methods {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 32px;
}

.payment-methods span {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.pm-icons {
  display: flex;
  gap: 12px;
  align-items: center;
}

.pm-icon {
  font-size: 18px;
  color: #ffffff;
  opacity: 0.6;
}

.footer {
  text-align: center;
  margin-top: 24px;
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer a {
  color: #ffffff;
  text-decoration: none;
  border-bottom: 1px solid #ffffff;
  padding-bottom: 1px;
}

/* ===== Payment Method Grid ===== */
.pm-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 20px;
}

.pm-option {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 12px;
  background: #000000;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  font-family: var(--font);
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.pm-option:hover { border-color: #555555; background: #0a0a0a; }

.pm-option.selected {
  border-color: #ffffff;
  color: #ffffff;
  background: #1a1a1a;
}

.pm-option input[type="radio"] { display: none; }

.pm-charge {
  font-size: 10px;
  color: var(--text-muted);
  display: block;
  margin-top: 2px;
}

.pm-option.selected .pm-charge { color: var(--text-secondary); }

.pm-loading {
  text-align: center;
  padding: 20px;
  color: var(--text-muted);
  font-size: 13px;
}

.mini-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.15);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
  margin-right: 8px;
}

/* ===== Combo / Search Dropdown ===== */
.combo-box { position: relative; }

.combo-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  max-height: 220px;
  overflow-y: auto;
  background: #111111;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-top: 4px;
  z-index: 10;
  display: none;
  box-shadow: 0 10px 25px rgba(0,0,0,0.5);
}

.combo-dropdown.open { display: block; }

.combo-option {
  padding: 12px 16px;
  color: var(--text-primary);
  cursor: pointer;
  font-size: 14px;
  transition: background 0.1s;
}

.combo-option:hover { background: #2a2a2a; }

.combo-dropdown::-webkit-scrollbar { width: 8px; }
.combo-dropdown::-webkit-scrollbar-thumb { background: #444; border-radius: 4px; }

/* ===== Modal ===== */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  overflow-y: auto;
  padding: 40px 20px;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  width: calc(100% - 40px);
  max-width: 640px;
  max-height: calc(100vh - 60px);
  overflow-y: auto;
  text-align: center;
  transform: scale(0.95);
  transition: transform 0.2s ease;
  margin: auto;
  box-sizing: border-box;
}

@media (max-width: 768px) {
  .modal {
    padding: 20px 16px;
    width: calc(100% - 16px);
    max-height: calc(100vh - 16px);
    border-radius: 0;
  }
}

.modal-overlay.active .modal { transform: scale(1); }

.modal-icon {
  font-size: 32px;
  margin-bottom: 16px;
}

.modal-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.modal-text {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.5;
}

.modal-text strong { color: var(--text-primary); }

.modal-actions { display: flex; gap: 12px; }

/* ===== Spinner / Loading Card ===== */
.spinner-wrap {
  text-align: center;
}

.spinner-wrap .spinner,
.card > .spinner {
  position: static;
  transform: none;
  width: 60px;
  height: 60px;
  border: 4px solid rgba(255,255,255,0.08);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
  margin: 0 auto 18px;
  opacity: 1;
}

@keyframes spin-simple {
  to { transform: rotate(360deg); }
}

.spinner-wrap .spinner {
  animation: spin-simple 0.9s linear infinite;
}

/* ===== Result / Status Pages ===== */
.icon {
  font-size: 48px;
  margin-bottom: 24px;
  text-align: center;
}

.icon svg {
  width: 28px;
  height: 28px;
}

.status-icon {
  font-size: 56px;
  text-align: center;
  margin-bottom: 14px;
}

.order-ref {
  display: inline-block;
  padding: 8px 16px;
  background: #000000;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 32px;
}

.details {
  text-align: left;
  margin-bottom: 28px;
  background: #000000;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid #1a1a1a;
  font-size: 13px;
}

.detail-row:last-child { border-bottom: none; }

.detail-label {
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 11px;
  font-weight: 500;
}

.detail-value {
  color: var(--text-primary);
  font-weight: 600;
}

.status-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-paid {
  background: rgba(34, 197, 94, 0.15);
  color: var(--success);
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.status-pending {
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-failed {
  background: rgba(255, 68, 68, 0.15);
  color: var(--error);
  border: 1px solid rgba(255, 68, 68, 0.3);
}

.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 40px 0;
}

.loader,
.spinner-large {
  width: 32px;
  height: 32px;
  border: 3px solid rgba(255,255,255,0.15);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.loading-text {
  font-size: 14px;
  color: var(--text-secondary);
}

.hidden { display: none !important; }

.reason-badge {
  display: inline-block;
  padding: 8px 16px;
  background: rgba(255,68,68,0.1);
  border: 1px solid rgba(255,68,68,0.3);
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  color: var(--error);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.detail-text {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.5;
  padding: 12px 16px;
  background: #000000;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  text-align: left;
}

.error-detail {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 32px;
  padding: 10px 16px;
  background: rgba(255, 68, 68, 0.08);
  border: 1px solid rgba(255, 68, 68, 0.2);
  border-radius: var(--radius-sm);
  display: none;
}

.tips {
  margin-top: 20px;
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.6;
  text-align: left;
}

.tips ul {
  margin-top: 6px;
  padding-left: 16px;
}

.tips li { margin-bottom: 4px; }

/* ===== Dashboard ===== */
body.dashboard-body {
  align-items: flex-start;
  padding: 32px 16px;
}

.dashboard {
  width: 100%;
  max-width: 1200px;
}

.dashboard .header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.dashboard .header h1,
.dashboard .header .subtitle {
  text-align: left;
  margin-bottom: 0;
}

.dashboard .logo {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 10px;
  text-align: left;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 18px;
  border-radius: var(--radius);
  text-align: center;
}

.stat-card h3 {
  margin: 0;
  font-size: 28px;
  color: var(--text-primary);
}

.stat-card p {
  margin: 6px 0 0;
  color: var(--text-secondary);
  font-size: 13px;
}

.filters {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.filters select,
.filters input { width: auto; margin: 0; }

.filters button {
  width: auto;
  padding: 10px 18px;
  margin-top: 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th, td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th { color: var(--text-secondary); font-weight: 600; }

td { color: var(--text-primary); }

.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
}

.badge.success { background: rgba(34,197,94,0.15); color: var(--success); }
.badge.failed { background: rgba(239,68,68,0.15); color: var(--error); }
.badge.pending { background: rgba(245,158,11,0.15); color: var(--warning); }

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

/* ===== Responsive ===== */
@media (max-width: 480px) {
  body { padding: 16px; }
  .card { padding: 24px 20px; }
  .form-row { grid-template-columns: 1fr; }
  .pm-grid { grid-template-columns: 1fr; }
  .dashboard .header { flex-direction: column; align-items: flex-start; }
}