@import url("https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap");

:root {
  --bg-dark: #090d16;
  --bg-surface: #111726;
  --bg-surface-elevated: #1a2336;
  --bg-card: rgba(17, 23, 38, 0.7);
  --bg-card-hover: rgba(26, 35, 54, 0.85);
  
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-strong: rgba(255, 255, 255, 0.15);
  --border-glow: rgba(99, 102, 241, 0.4);

  --accent-indigo: #6366f1;
  --accent-indigo-dark: #4f46e5;
  --accent-cyan: #06b6d4;
  --accent-pink: #ec4899;
  --accent-purple: #8b5cf6;
  --accent-amber: #f59e0b;
  --accent-emerald: #10b981;

  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
  --gradient-cyan-indigo: linear-gradient(135deg, #06b6d4 0%, #6366f1 100%);
  --gradient-card: linear-gradient(180deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);
  --gradient-glow: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 25px rgba(99, 102, 241, 0.25);

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --text-on-blue: #f8fafc;
  --text-on-blue-muted: #cbd5e1;

  --danger: #f43f5e;
  --danger-bg: rgba(244, 63, 94, 0.12);

  --font-display: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  --radius: 14px;
  --radius-sm: 8px;
  --radius-full: 9999px;
  --max-width: 1160px;
  --border-thin: 1px solid var(--border-glass);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text-main);
  background: var(--bg-dark);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(99, 102, 241, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 65%, rgba(236, 72, 153, 0.06) 0%, transparent 40%);
  background-attachment: fixed;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 0.5em 0;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

p {
  margin: 0 0 1em 0;
  color: var(--text-muted);
}

a {
  color: inherit;
  transition: color 0.2s ease, opacity 0.2s ease;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.grid-paper,
.grid-paper-blue {
  position: relative;
  background-color: transparent;
}

.grid-paper::before,
.grid-paper-blue::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: -1px -1px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
  pointer-events: none;
  z-index: 0;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.25);
  border-radius: var(--radius-full);
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
  display: inline-block;
}

.eyebrow--on-blue {
  color: var(--accent-cyan);
}

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(9, 13, 22, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: var(--border-thin);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav__logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.35rem;
  text-decoration: none;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: -0.03em;
}

.nav__logo-mark {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
  position: relative;
  flex-shrink: 0;
}

.nav__logo-mark::after {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: #ffffff;
  transform: rotate(45deg);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 0.95rem;
  font-weight: 500;
}

.nav__links a {
  text-decoration: none;
  color: var(--text-muted);
  position: relative;
  padding: 4px 0;
}

.nav__links a:hover {
  color: var(--text-main);
}

.nav__links a:hover::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 15px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.86rem;
  text-decoration: none;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: #6366f1;
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.25);
  border-color: rgba(255, 255, 255, 0.1);
}

.btn-primary:hover {
  background: #4f46e5;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.35);
  transform: translateY(-1px);
}

.btn-accent {
  background: #06b6d4;
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(6, 182, 212, 0.2);
}

.btn-accent:hover {
  background: #0891b2;
  box-shadow: 0 4px 12px rgba(6, 182, 212, 0.35);
  transform: translateY(-1px);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--border-glass-strong);
  color: var(--text-main);
  backdrop-filter: blur(8px);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-1px);
}

.btn-outline-on-blue {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-glass-strong);
  color: var(--text-main);
}

.btn-outline-on-blue:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.35);
  transform: translateY(-1px);
}

.btn-text {
  background: transparent;
  color: var(--text-muted);
  padding: 10px 12px;
}

.btn-text:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
}

.btn-danger {
  background: var(--danger-bg);
  border-color: rgba(244, 63, 94, 0.3);
  color: var(--danger);
}

.btn-danger:hover {
  background: var(--danger);
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(244, 63, 94, 0.4);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

.btn-block {
  width: 100%;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
  border-radius: 6px;
}

.field {
  margin-bottom: 20px;
  text-align: left;
}

.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  border: 1px solid var(--border-glass-strong);
  border-radius: var(--radius-sm);
  background: rgba(13, 18, 30, 0.8);
  color: var(--text-main);
  transition: all 0.2s ease;
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--text-dim);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent-indigo);
  background: rgba(17, 23, 38, 0.95);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
}

.field select option {
  background: var(--bg-surface);
  color: var(--text-main);
}

.field-hint {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-top: 6px;
}

.form-error {
  background: var(--danger-bg);
  border: 1px solid rgba(244, 63, 94, 0.3);
  color: var(--danger);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  margin-bottom: 20px;
  display: none;
  backdrop-filter: blur(8px);
}

.form-error.visible {
  display: block;
}

.card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: var(--border-thin);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
}

.auth-page {
  min-height: calc(100vh - 72px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 24px;
  position: relative;
  z-index: 1;
}

.auth-box {
  width: 100%;
  max-width: 420px;
}

.auth-box .card {
  padding: 40px 36px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.auth-box h1 {
  font-size: 1.75rem;
  text-align: center;
  margin-bottom: 8px;
}

.auth-subtitle {
  text-align: center;
  font-size: 0.92rem;
  margin-bottom: 28px;
  color: var(--text-muted);
}

.auth-switch {
  text-align: center;
  font-size: 0.88rem;
  margin-top: 24px;
  color: var(--text-muted);
}

.auth-switch a {
  color: var(--accent-cyan);
  font-weight: 600;
  text-decoration: none;
}

.auth-switch a:hover {
  text-decoration: underline;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
}

.badge-free {
  background: rgba(16, 185, 129, 0.12);
  color: var(--accent-emerald);
  border-color: rgba(16, 185, 129, 0.25);
}

.badge-pro {
  background: rgba(139, 92, 246, 0.15);
  color: var(--accent-purple);
  border-color: rgba(139, 92, 246, 0.3);
}

.badge-max {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
  border-color: rgba(245, 158, 11, 0.3);
}

.badge-owner {
  background: var(--gradient-primary);
  color: #ffffff;
}

.footer {
  border-top: var(--border-thin);
  padding: 48px 0;
  margin-top: 100px;
  background: rgba(9, 13, 22, 0.8);
  backdrop-filter: blur(12px);
  position: relative;
  z-index: 10;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer__links {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 0.9rem;
}

.footer__links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer__links a:hover {
  color: var(--accent-cyan);
}

.footer__note {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
}

.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.hidden { display: none !important; }

@keyframes pulseGlow {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.05); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}