/* ══════════════════════════════════════════════════════════════════════
   DOPE CHK — AUTHENTICATION DESIGN SYSTEM (NEO-GLASS SLATE & ELECTRIC CYAN)
   ══════════════════════════════════════════════════════════════════════ */

:root {
  --bg-dark: #030712;
  --bg-slate: #070c18;
  --card-bg: rgba(13, 18, 34, 0.88);
  --card-border: rgba(255, 255, 255, 0.08);
  --card-border-glow: rgba(0, 210, 255, 0.25);
  
  --input-bg: #060a14;
  --input-border: rgba(255, 255, 255, 0.09);
  --input-focus: #00d2ff;
  --input-focus-glow: rgba(0, 210, 255, 0.22);
  
  --cyan: #00d2ff;
  --cyan-hover: #38bdf8;
  --cyan-glow: rgba(0, 210, 255, 0.35);
  
  --purple: #7c3aed;
  --purple-glow: rgba(124, 58, 237, 0.35);
  
  --green: #10b981;
  --green-glow: rgba(16, 185, 129, 0.3);
  
  --text-white: #ffffff;
  --text-muted: #64748b;
  --text-sub: #94a3b8;
  
  --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 26px;
}

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

body {
  background-color: var(--bg-dark);
  color: var(--text-white);
  font-family: var(--font-ui);
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  position: relative;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Background Cyber Grid & Ambient Orbs */
.auth-bg-grid {
  position: fixed;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: 0;
  opacity: 0.6;
}

.auth-glow-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  z-index: 0;
}

.auth-orb-cyan {
  width: 500px;
  height: 500px;
  top: -120px;
  left: 20%;
  background: radial-gradient(circle, rgba(0, 210, 255, 0.16) 0%, transparent 70%);
}

.auth-orb-purple {
  width: 450px;
  height: 450px;
  bottom: -100px;
  right: 15%;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.18) 0%, transparent 70%);
}

/* Main Container */
.auth-wrapper {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: 460px;
  animation: authCardFade 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes authCardFade {
  from { opacity: 0; transform: translateY(16px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Auth Card (Neo-Glass Slate) */
.auth-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border-radius: var(--radius-xl);
  padding: 36px 32px 32px;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.9), 0 0 40px rgba(0, 210, 255, 0.06);
  position: relative;
  overflow: hidden;
}

.auth-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--purple), transparent);
}

/* Brand Header */
.auth-header {
  text-align: center;
  margin-bottom: 26px;
}

.auth-logo-box {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(0, 210, 255, 0.12), rgba(124, 58, 237, 0.15));
  border: 1px solid rgba(0, 210, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  box-shadow: 0 0 24px rgba(0, 210, 255, 0.25);
  position: relative;
}

.auth-logo-box::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: calc(var(--radius-md) + 3px);
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  z-index: -1;
  opacity: 0.35;
  filter: blur(4px);
}

.auth-brand-title {
  font-size: 1.45rem;
  font-weight: 900;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #ffffff 40%, #a5f3fc 80%, #c4b5fd 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 4px;
}

.auth-brand-subtitle {
  font-size: 0.82rem;
  color: var(--text-sub);
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.auth-brand-badge {
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: 2px 8px;
  border-radius: 20px;
  background: rgba(0, 210, 255, 0.1);
  border: 1px solid rgba(0, 210, 255, 0.25);
  color: var(--cyan);
}

/* Nav Switcher Tabs */
.auth-nav-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: rgba(6, 10, 20, 0.8);
  border: 1px solid var(--card-border);
  padding: 4px;
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  position: relative;
}

.auth-tab-btn {
  background: none;
  border: none;
  padding: 10px 14px;
  border-radius: 10px;
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.auth-tab-btn:hover {
  color: #ffffff;
}

.auth-tab-btn.active {
  background: linear-gradient(135deg, rgba(0, 210, 255, 0.15), rgba(124, 58, 237, 0.15));
  border: 1px solid rgba(0, 210, 255, 0.3);
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

/* Form Styles */
.auth-form-view {
  display: none;
  animation: authFormSlide 0.25s ease-out;
}

.auth-form-view.active {
  display: block;
}

@keyframes authFormSlide {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.auth-input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.auth-input-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.auth-input-label {
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-sub);
}

.auth-input-link {
  font-size: 0.72rem;
  color: var(--cyan);
  font-weight: 700;
  text-decoration: none;
  transition: color 0.15s ease;
}

.auth-input-link:hover {
  color: var(--cyan-hover);
  text-decoration: underline;
}

.auth-input-box {
  position: relative;
  display: flex;
  align-items: center;
}

.auth-input-icon {
  position: absolute;
  left: 14px;
  color: #475569;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  transition: color 0.2s ease;
}

.auth-input-field {
  width: 100%;
  height: 48px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-md);
  padding: 0 16px 0 44px;
  font-family: var(--font-ui);
  font-size: 0.9rem;
  color: #ffffff;
  outline: none;
  transition: all 0.2s ease;
}

.auth-input-field::placeholder {
  color: #334155;
}

.auth-input-field:focus {
  border-color: var(--input-focus);
  background: #080e1c;
  box-shadow: 0 0 0 3px var(--input-focus-glow);
}

.auth-input-field:focus + .auth-input-icon,
.auth-input-box:focus-within .auth-input-icon {
  color: var(--cyan);
}

.auth-input-helper {
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin-top: 2px;
}

/* Primary Action Buttons */
.auth-btn-primary {
  width: 100%;
  height: 48px;
  border-radius: var(--radius-md);
  border: none;
  background: linear-gradient(135deg, #00ace6, #00d2ff);
  color: #030712;
  font-family: var(--font-ui);
  font-size: 0.92rem;
  font-weight: 800;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 20px var(--cyan-glow);
  margin-top: 6px;
}

.auth-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(0, 210, 255, 0.45);
}

.auth-btn-primary:active {
  transform: translateY(0);
}

.auth-btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.auth-btn-purple {
  background: linear-gradient(135deg, #7c3aed, #8b5cf6);
  color: #ffffff;
  box-shadow: 0 4px 20px var(--purple-glow);
}

.auth-btn-purple:hover {
  box-shadow: 0 6px 28px rgba(124, 58, 237, 0.45);
}

.auth-btn-green {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #ffffff;
  box-shadow: 0 4px 20px var(--green-glow);
}

.auth-btn-green:hover {
  box-shadow: 0 6px 28px rgba(16, 185, 129, 0.45);
}

/* Secondary Actions Footer */
.auth-footer-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.auth-footer-link {
  background: none;
  border: none;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-sub);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  transition: color 0.15s ease;
}

.auth-footer-link:hover {
  color: var(--cyan);
}

/* Alert / Feedback Boxes */
.auth-feedback-box {
  padding: 12px 14px;
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 16px;
  display: none;
  animation: authFormSlide 0.2s ease-out;
}

.auth-feedback-box.error {
  background: rgba(244, 63, 94, 0.12);
  border: 1px solid rgba(244, 63, 94, 0.3);
  color: #fda4af;
}

.auth-feedback-box.success {
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #6ee7b7;
}

/* OTP Code Box */
.auth-otp-input {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 6px;
  text-align: center;
  padding-left: 16px !important;
}

/* Info Box */
.auth-info-card {
  background: rgba(0, 210, 255, 0.06);
  border: 1px solid rgba(0, 210, 255, 0.2);
  border-radius: var(--radius-md);
  padding: 14px;
  font-size: 0.8rem;
  color: #94a3b8;
  line-height: 1.5;
  margin-bottom: 18px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.auth-info-card svg {
  min-width: 18px;
  color: var(--cyan);
  margin-top: 2px;
}

@media (max-width: 480px) {
  .auth-card {
    padding: 28px 20px 24px;
    border-radius: var(--radius-lg);
  }
  .auth-brand-title {
    font-size: 1.3rem;
  }
}