/* ─── Reset & Variables ──────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:           #0f0f0f;
  --surface:      #1a1a1a;
  --card-bg:      #1a1a1a;
  --card-hover:   #222222;
  --border:       #2e2e2e;
  --text:         #ffffff;
  --text-muted:   #999999;
  --accent:       #7c3aed;
  --accent-hover: #6d28d9;
  --accent-glow:  rgba(124,58,237,.3);
  --chip-bg:      #2a2a2a;
  --chip-active:  #7c3aed;
  --success:      #22c55e;
  --error:        #ef4444;
  --radius:       12px;
  --radius-sm:    8px;
  --radius-full:  9999px;
  --font:         'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.55;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ─── Banner ───────────────────────────────────────────────── */
.banner {
  background: linear-gradient(135deg, #3b0764, #1e1b4b);
  color: #e9d5ff;
  text-align: center;
  padding: 11px 16px;
  font-size: .82rem;
}

/* ─── Layout ──────────────────────────────────────────────── */
.main {
  max-width: 520px;
  margin: 0 auto;
  padding: 28px 16px 60px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ─── Cards ────────────────────────────────────────────────── */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

/* ─── Profile Card ────────────────────────────────────────── */
.profile-card {
  text-align: center;
  padding: 32px 24px 24px;
}

.profile-avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: var(--chip-bg);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 44px;
  margin: 0 auto 16px;
  overflow: hidden;
}

.profile-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-name {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -.3px;
}

.profile-social {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin: 10px 0 14px;
  flex-wrap: wrap;
}

.social-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--chip-bg);
  color: var(--text-muted);
  font-size: 14px;
  transition: background .2s, color .2s;
  text-decoration: none;
}

.social-btn:hover { background: var(--accent); color: #fff; }

.profile-bio {
  font-size: .88rem;
  color: var(--text-muted);
  max-width: 340px;
  margin: 0 auto;
}

/* ─── Form Card ───────────────────────────────────────────── */
.form-card { animation: fadeUp .4s .15s ease both; }

/* ─── Tabs ────────────────────────────────────────────────── */
.tab-bar {
  display: flex;
  border-bottom: 1px solid var(--border);
}

.tab {
  flex: 1;
  padding: 14px 8px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--font);
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  transition: color .2s, background .2s;
}

.tab:hover { color: var(--text); background: rgba(255,255,255,.03); }
.tab.active { color: var(--text); border-bottom: 2.5px solid var(--accent); margin-bottom: -1px; }

.tab-content { display: none; padding: 20px; }
.tab-content.active { display: block; }

/* ─── Form Fields ─────────────────────────────────────────── */
.field { margin-bottom: 18px; position: relative; }

.label {
  display: block;
  font-size: .8rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
  letter-spacing: .3px;
  text-transform: uppercase;
}

.required { color: var(--error); }

.input {
  width: 100%;
  background: #141414;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font);
  font-size: .92rem;
  padding: 11px 14px;
  transition: border-color .2s, box-shadow .2s;
  outline: none;
}

.input::placeholder { color: #555; }
.input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }

/* Amount input row */
.amount-input-row {
  display: flex;
  align-items: center;
  background: #141414;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color .2s, box-shadow .2s;
}

.amount-input-row:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.rp-prefix {
  padding: 11px 12px 11px 14px;
  font-size: .95rem;
  font-weight: 700;
  color: var(--text-muted);
  border-right: 1px solid var(--border);
  background: #141414;
  user-select: none;
}

.amount-input {
  border: none !important;
  border-radius: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
  -moz-appearance: textfield;
  font-weight: 700;
  font-size: 1.05rem;
}

.amount-input::-webkit-outer-spin-button,
.amount-input::-webkit-inner-spin-button { -webkit-appearance: none; }

/* Quick amounts */
.quick-amounts {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.chip {
  background: var(--chip-bg);
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 7px 16px;
  font-family: var(--font);
  font-size: .82rem;
  font-weight: 700;
  cursor: pointer;
  transition: all .2s;
}

.chip:hover { border-color: var(--accent); color: var(--text); }

.chip.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  box-shadow: 0 0 12px var(--accent-glow);
}

/* Textarea */
.textarea { resize: vertical; min-height: 82px; }

.char-count {
  display: block;
  text-align: right;
  font-size: .75rem;
  color: #555;
  margin-top: 5px;
}

/* Checkboxes */
.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--accent);
  cursor: pointer;
}

.checkbox-label span {
  font-size: .8rem;
  color: var(--text-muted);
  line-height: 1.55;
}

.checkbox-label a { color: #c4b5fd; text-decoration: underline; }

/* ─── Payment Section ─────────────────────────────────────── */
.payment-section { margin: 20px 0 16px; }

.section-heading {
  font-size: .78rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 12px;
}

.method-group { margin-bottom: 14px; }

.method-group-label {
  font-size: .72rem;
  font-weight: 600;
  color: #555;
  text-transform: uppercase;
  letter-spacing: .8px;
  margin-bottom: 8px;
  padding-left: 2px;
}

.payment-methods {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(78px, 1fr));
  gap: 7px;
}

.method-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 6px 8px;
  background: #141414;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all .2s;
  font-family: var(--font);
}

.method-btn:hover { border-color: var(--accent); background: #1a1a2e; }

.method-btn.active {
  border-color: var(--accent);
  background: rgba(124,58,237,.1);
  box-shadow: 0 0 10px var(--accent-glow);
}

.method-btn .method-logo {
  width: 38px;
  height: 22px;
  object-fit: contain;
  border-radius: 4px;
}

.method-btn .method-name {
  font-size: .72rem;
  font-weight: 600;
  color: var(--text-muted);
}

.method-btn.active .method-name { color: var(--text); }

.method-btn .method-fee {
  font-size: .65rem;
  color: #555;
}

.method-btn .method-fee.cheap { color: var(--success); }

.fee-note {
  font-size: .75rem;
  color: var(--text-muted);
  margin-top: 10px;
  min-height: 18px;
}

.fee-note span { color: var(--success); font-weight: 700; }

/* ─── Summary ────────────────────────────────────────────── */
.summary {
  background: #141414;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
  margin-bottom: 16px;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  font-size: .85rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.summary-row:last-child { margin-bottom: 0; }

.summary-row.total {
  font-size: .95rem;
  font-weight: 800;
  color: var(--text);
  padding-top: 10px;
  margin-top: 8px;
  border-top: 1px solid var(--border);
}

/* ─── Submit Button ───────────────────────────────────────── */
.btn-submit {
  width: 100%;
  padding: 15px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: .95rem;
  font-weight: 800;
  cursor: pointer;
  transition: all .2s;
  letter-spacing: .3px;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-submit:hover:not(:disabled) {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 28px var(--accent-glow);
}

.btn-submit:active:not(:disabled) { transform: translateY(0); }

.btn-submit:disabled {
  opacity: .4;
  cursor: not-allowed;
  box-shadow: none;
}

.disclaimer {
  text-align: center;
  font-size: .73rem;
  color: #444;
  margin-top: 12px;
  line-height: 1.5;
}

/* ─── Bank List (Rekening Tab) ────────────────────────────── */
.bank-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.bank-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #141414;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  gap: 12px;
  transition: border-color .2s;
}

.bank-card:hover { border-color: var(--accent); }

.bank-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.bank-logo {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--chip-bg);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.bank-details { min-width: 0; }

.bank-name {
  font-weight: 700;
  font-size: .9rem;
}

.bank-number {
  font-size: .82rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 230px;
}

.bank-holder {
  font-size: .75rem;
  color: #555;
}

.btn-copy {
  background: var(--chip-bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 7px 13px;
  font-family: var(--font);
  font-size: .78rem;
  font-weight: 700;
  cursor: pointer;
  transition: all .2s;
  white-space: nowrap;
  flex-shrink: 0;
}

.btn-copy:hover { background: var(--accent); border-color: var(--accent); }
.btn-copy.copied { background: var(--success); border-color: var(--success); color: #fff; }

.bank-disclaimer {
  text-align: center;
  font-size: .78rem;
  color: #555;
  margin-top: 16px;
  line-height: 1.6;
}

/* ─── QRIS Tab ────────────────────────────────────────────── */
.qris-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.qris-item {
  text-align: center;
  padding: 20px;
  background: #141414;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.qris-item-header {
  font-weight: 700;
  font-size: .95rem;
  margin-bottom: 14px;
}

.qris-item img {
  width: 100%;
  max-width: 220px;
  border-radius: 10px;
  border: 1px solid var(--border);
  margin-bottom: 10px;
}

.qris-item-note {
  font-size: .78rem;
  color: var(--text-muted);
}

/* ─── Toast ───────────────────────────────────────────────── */
#toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: #fff;
  color: #1a1a1a;
  padding: 12px 22px;
  border-radius: var(--radius-full);
  font-size: .85rem;
  font-weight: 700;
  box-shadow: 0 4px 24px rgba(0,0,0,.4);
  opacity: 0;
  transition: transform .3s ease, opacity .3s ease;
  pointer-events: none;
  z-index: 9999;
  max-width: calc(100vw - 32px);
  white-space: nowrap;
}

#toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }
#toast.error { background: var(--error); color: #fff; }
#toast.success { background: var(--success); color: #fff; }

/* ─── Footer ──────────────────────────────────────────────── */
.footer {
  text-align: center;
  padding: 0 16px 40px;
  font-size: .78rem;
  color: #444;
}

.footer p { margin-bottom: 4px; }
.footer-powered { font-size: .7rem; color: #333; }

/* ─── Animations ──────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

.profile-card { animation: fadeUp .4s ease both; }
.form-card    { animation: fadeUp .4s .12s ease both; }

/* ─── Responsive ──────────────────────────────────────────── */
@media (max-width: 480px) {
  .bank-number { max-width: 150px; }
  .payment-methods { grid-template-columns: repeat(auto-fill, minmax(68px, 1fr)); }
}