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

:root {
  --bg-page:        #0e0f1a;
  --bg-card:        #1a1c2e;
  --bg-input:       #12131f;
  --bg-input-focus: #15162a;
  --text-primary:   #ffffff;
  --text-secondary: #8b8fa8;
  --text-label:     #6b6f85;
  --border-color:   #2a2d45;
  --border-focus:   #4a6fa5;
  --accent:         #0063e5;
  --accent-hover:   #0050b8;
  --accent-glow:    rgba(0,99,229,.18);
  --tab-active:     #0063e5;
  --danger:         #e55;
  --radius-lg:      10px;
  --radius-md:      6px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
}

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

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

/* ── Topbar ── */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 28px; height: 58px;
  background: #050a14;
  position: sticky; top: 0; z-index: 10;
}
.logo { display: flex; align-items: center; text-decoration: none; }
.topbar-right { font-size: 13px; color: var(--text-secondary); }

/* ── Page layout ── */
.page-wrap {
  max-width: 560px;
  margin: 48px auto 80px;
  padding: 0 20px;
}

.page-title {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  color: #fff;
}

/* ── Tab switcher (Credit Card / PayPal) ── */
.tab-row {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 28px;
  gap: 0;
}
.tab-btn {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 20px 12px;
  font-size: 13.5px; font-weight: 600;
  color: var(--text-secondary);
  background: none; border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  cursor: pointer; font-family: var(--font);
  transition: color .15s, border-color .15s;
}
.tab-btn.active {
  color: #fff;
  border-bottom-color: var(--tab-active);
}
.tab-btn:hover:not(.active) { color: #ccc; }
.tab-icon { font-size: 16px; }

/* ── Form fields ── */
.field { margin-bottom: 20px; }

.field label {
  display: block;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-label);
  margin-bottom: 8px;
}

.field input,
.field select {
  width: 100%;
  padding: 12px 14px;
  font-size: 14px;
  font-family: var(--font);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  outline: none;
  color: var(--text-primary);
  background: var(--bg-input);
  transition: border-color .15s, box-shadow .15s, background .15s;
  appearance: none;
}
.field input::placeholder { color: #3a3d55; }
.field input:focus,
.field select:focus {
  border-color: var(--border-focus);
  background: var(--bg-input-focus);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.field input[readonly] {
  background: #0d0e1a;
  color: var(--text-secondary);
  cursor: default;
  border-color: #1e2035;
}
.field input.invalid { border-color: var(--danger); }
.field-error {
  font-size: 12px; color: var(--danger); margin-top: 5px; display: none;
}
.field-error.show { display: block; }

/* select */
.select-wrap { position: relative; }
.select-wrap::after {
  content: '';
  position: absolute; right: 14px; top: 50%;
  transform: translateY(-50%);
  width: 0; height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid var(--text-secondary);
  pointer-events: none;
}
.select-wrap select option { background: #1a1c2e; }

.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.row-3 { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 14px; }

@media (max-width: 560px) {
  .row-2, .row-3 { grid-template-columns: 1fr; }
  .topbar { padding: 0 16px; }
}

/* card input with brand icons */
.card-input-wrap { position: relative; }
.card-input-wrap input { padding-right: 52px; }
.card-brand-icon {
  position: absolute; right: 12px; top: 50%;
  transform: translateY(-50%);
  font-size: 11px; font-weight: 700;
  color: var(--text-secondary); pointer-events: none;
}

/* card brand logos row inside field */
.card-brands {
  display: flex; gap: 6px; margin-top: 8px; align-items: center;
}
.card-brands img { height: 20px; border-radius: 3px; }
.card-brands span {
  font-size: 10px; background: #2a2d45; color: #7a7d95;
  padding: 2px 6px; border-radius: 3px; font-weight: 600;
}

/* phone wrap */
.phone-wrap {
  display: flex; align-items: center;
  border: 1px solid var(--border-color); border-radius: var(--radius-md); overflow: hidden;
  transition: border-color .15s, box-shadow .15s;
}
.phone-wrap:focus-within {
  border-color: var(--border-focus); box-shadow: 0 0 0 3px var(--accent-glow);
}
.phone-dial {
  padding: 12px 10px 12px 14px; font-size: 13px; font-weight: 600;
  color: var(--text-secondary); background: #0d0e1a;
  border-right: 1px solid var(--border-color);
  white-space: nowrap; min-width: 46px; text-align: center; font-family: var(--font);
}
.phone-wrap input {
  flex: 1; border: none !important; box-shadow: none !important;
  border-radius: 0 !important; padding: 12px 14px; background: var(--bg-input);
}

/* form alert */
.form-alert {
  background: rgba(238,85,85,.1); color: #f87171;
  border: 1px solid rgba(238,85,85,.25); border-radius: var(--radius-md);
  padding: 10px 14px; font-size: 13px; margin-bottom: 20px; display: none;
}
.form-alert.show { display: block; }

/* section label */
.section-card { margin-bottom: 20px; }
.section-label {
  font-size: 10px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--text-label); margin-bottom: 16px;
}

/* actions */
.actions-row { margin-top: 28px; }
.btn-primary {
  width: 100%;
  background: var(--accent); color: #fff; border: none;
  padding: 14px; font-size: 15px; font-weight: 700;
  font-family: var(--font); border-radius: var(--radius-md); cursor: pointer;
  transition: background .15s; letter-spacing: .01em;
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-primary:disabled { opacity: .45; cursor: not-allowed; }

.secure-note { text-align: center; font-size: 12px; color: var(--text-label); margin-top: 12px; }

/* success */
.success-wrap { max-width: 440px; margin: 72px auto; text-align: center; padding: 0 20px; }
.success-wrap h1 { font-size: 22px; font-weight: 700; margin: 16px 0 10px; }
.success-wrap p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }
.success-icon {
  width: 52px; height: 52px; background: var(--accent);
  border-radius: 50%; display: flex; align-items: center;
  justify-content: center; margin: 0 auto; font-size: 22px; color: #fff;
}
.redirect-note { font-size: 13px; color: var(--text-secondary); margin-top: 16px; }

/* update agreement */
.ua-wrap { max-width: 520px; margin: 80px auto; padding: 0 20px; }
.ua-wrap h1 { font-size: 22px; font-weight: 700; margin-bottom: 12px; }
.ua-wrap p { font-size: 14px; color: var(--text-secondary); line-height: 1.75; margin-bottom: 14px; }

/* verify upload */
.upload-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media(max-width:480px){ .upload-grid { grid-template-columns: 1fr; } }
.upload-area {
  border: 2px dashed var(--border-color); border-radius: var(--radius-md);
  padding: 20px 14px; text-align: center; cursor: pointer;
  transition: border-color .15s, background .15s; position: relative;
  background: var(--bg-input);
}
.upload-area:hover, .upload-area.dragover {
  border-color: var(--accent); background: rgba(0,99,229,.06);
}
.upload-area input[type="file"] {
  position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%;
}
.upload-icon { font-size: 22px; margin-bottom: 6px; }
.upload-label { font-size: 12.5px; font-weight: 600; color: #c8d0db; margin-bottom: 3px; }
.upload-hint { font-size: 11px; color: var(--text-secondary); }
.upload-preview { margin-top: 10px; display: none; }
.upload-preview img {
  max-width: 100%; max-height: 110px; border-radius: 6px;
  border: 1px solid var(--border-color); object-fit: cover;
}
.upload-done { font-size: 18px; margin-top: 4px; }
.verify-note { font-size: 12.5px; color: var(--text-secondary); line-height: 1.6; margin-top: 20px; text-align: center; }
.progress-bar-wrap { background: var(--border-color); border-radius: 99px; height: 4px; margin: 16px 0 8px; display: none; }
.progress-bar { height: 4px; background: var(--accent); border-radius: 99px; width: 0%; transition: width .3s ease; }