/* ==========================================================================
   css/global.css
   ========================================================================== */

:root {
  --bg: #09090b;
  --surface: #111114;
  --card: #141417;
  --border: #27272a;
  --border-2: #3f3f46;
  --text-1: #fafafa;
  --text-2: #a1a1aa;
  --text-3: #71717a;
  --purple: #a855f7;
  --violet: #c084fc;
  --indigo: #6366f1;
  --emerald: #10b981;
  --red: #f87171;
  --amber: #fbbf24;
  --shadow: rgba(168, 85, 247, 0.15);
  --font-sans: 'Inter', sans-serif;
  --font-display: 'Sora', sans-serif;
}

[data-theme="light"] {
  --bg: #f4f4f5;
  --surface: #ffffff;
  --card: #fafafa;
  --border: #e4e4e7;
  --border-2: #d4d4d8;
  --text-1: #09090b;
  --text-2: #52525b;
  --text-3: #a1a1aa;
  --shadow: rgba(168, 85, 247, 0.10);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg);
  color: var(--text-1);
  min-height: 100vh;
  transition: background 0.3s, color 0.3s;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

main {
  flex: 1;
}

nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.nav-logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, #a855f7, #6366f1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  color: #fff;
  font-size: 13px;
  box-shadow: 0 0 18px rgba(168,85,247,0.4);
}

.nav-brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  color: var(--text-1);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-nav {
  height: 36px;
  padding: 0 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background-color: var(--card);
  color: var(--text-2);
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  transition: all 0.2s;
}

.btn-nav:hover {
  border-color: var(--purple);
  color: var(--purple);
}

.btn-nav.primary {
  background: linear-gradient(135deg, #a855f7, #6366f1);
  border-color: transparent;
  color: #fff;
}

.btn-nav.primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(168,85,247,0.4);
}

.card {
  background-color: var(--card);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 2rem;
  margin-bottom: 1.25rem;
}

.card-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.steps {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 40px;
}

.step {
  display: flex;
  align-items: center;
  gap: 8px;
}

.step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  border: 1px solid var(--border);
  background-color: var(--bg);
  color: var(--text-3);
  transition: all 0.3s;
}

.step-num.active {
  background: linear-gradient(135deg, #a855f7, #6366f1);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 0 14px rgba(168,85,247,0.4);
}

.step-num.done {
  background-color: var(--emerald);
  border-color: transparent;
  color: #fff;
}

.step-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-3);
}

.step-label.active {
  color: var(--text-1);
}

.step-connector {
  width: 40px;
  height: 1px;
  background-color: var(--border);
  margin: 0 8px;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  padding: 11px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background-color: var(--bg);
  color: var(--text-1);
  font-size: 14px;
  font-family: var(--font-sans);
  outline: none;
  transition: border-color 0.2s;
}

.form-input:focus {
  border-color: var(--purple);
}

.form-input-prefix {
  position: relative;
}

.form-input-prefix .prefix {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14px;
  color: var(--text-3);
  pointer-events: none;
}

.form-input-prefix .form-input {
  padding-left: 28px;
}

.form-input-suffix {
  position: relative;
}

.form-input-suffix .suffix {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 13px;
  color: var(--text-3);
  pointer-events: none;
}

.form-input-suffix .form-input {
  padding-right: 32px;
}

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

@media (max-width: 580px) {
  .grid-2 { grid-template-columns: 1fr; }
  .step-label { display: none; }
}

input[type="range"] {
  width: 100%;
  height: 5px;
  border-radius: 4px;
  appearance: none;
  background-color: var(--border);
  outline: none;
  cursor: pointer;
  margin: 10px 0;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: var(--purple);
  cursor: pointer;
  box-shadow: 0 0 12px rgba(168, 85, 247, 0.5);
  transition: transform 0.1s;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.btn-full {
  width: 100%;
  padding: 13px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  font-family: var(--font-sans);
  transition: all 0.2s;
}

.btn-full.purple {
  background: linear-gradient(135deg, #a855f7, #6366f1);
  color: #fff;
  box-shadow: 0 4px 20px rgba(168, 85, 247, 0.3);
}

.btn-full.purple:hover {
  opacity: 0.95;
  transform: translateY(-1px);
}

.btn-full.muted {
  background-color: var(--surface);
  color: var(--text-2);
  border: 1px solid var(--border);
}

.btn-full.muted:hover {
  border-color: var(--border-2);
  color: var(--text-1);
}

.btn-full:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none !important;
}

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-2);
  cursor: pointer;
  border: none;
  background: none;
  margin-bottom: 24px;
  transition: color 0.2s;
}

.back-btn:hover { color: var(--purple); }
.back-btn svg { width: 15px; height: 15px; }

.gradient-text {
  background: linear-gradient(135deg, #c084fc, #818cf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.small-help-text {
  display: block;
  font-size: 11px;
  color: var(--text-3);
  margin-top: 4px;
  line-height: 1.4;
}

.hidden { display: none !important; }