/* ============================================
   HOST LOGIN / SIGNUP — DARK CONCERT THEME
   ============================================ */

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

:root {
  --red:         #FF2D78;
  --dark-red:    #C9005C;
  --red-glow:    rgba(255,45,120,0.25);
  --bg:          #0A0A0A;
  --bg-card:     #141414;
  --bg-elevated: #1C1C1C;
  --bg-input:    #1A1A1A;
  --border:      #2A2A2A;
  --border-light:#333333;
  --text:        #FFFFFF;
  --text-sec:    #B0B0B0;
  --text-muted:  #666666;
  --green:       #10B981;
  --gold:        #F59E0B;
  --shadow:      0 6px 20px rgba(0,0,0,0.6);
  --glow-red:    0 0 20px var(--red-glow), 0 0 40px rgba(255,45,120,0.1);
  --font:        'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --r:           12px;
}

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: var(--font); }

/* ── NAV ── */
.login-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  background: rgba(10,10,10,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  position: sticky;
  top: 0;
  z-index: 100;
}
.login-nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--red);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
}
.login-nav-logo-icon {
  font-size: 22px;
}
.login-nav-back {
  font-size: 14px;
  color: var(--text-muted);
  transition: color 0.15s;
}
.login-nav-back:hover { color: var(--text); text-decoration: underline; }

/* ── SPLIT LAYOUT ── */
.login-layout {
  display: grid;
  grid-template-columns: 1fr 500px;
  flex: 1;
  min-height: 0;
}

/* ── HERO PANEL ── */
.login-hero {
  position: relative;
  overflow: hidden;
  min-height: 500px;
}
.login-hero-img {
  width: 100%; height: 100%;
  object-fit: cover;
  position: absolute; inset: 0;
  filter: brightness(0.55) saturate(1.2);
}
.login-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    135deg,
    rgba(0,0,0,0.75) 0%,
    rgba(255,45,120,0.08) 50%,
    rgba(0,0,0,0.6) 100%
  );
  z-index: 1;
}
.login-hero-content {
  position: relative; z-index: 2;
  padding: 64px 56px;
  color: white;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.login-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,45,120,0.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,45,120,0.3);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--red);
  margin-bottom: 24px;
  width: fit-content;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.login-hero-content h2 {
  font-size: 42px;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 16px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.5);
}
.login-hero-content p {
  font-size: 16px;
  line-height: 1.7;
  color: rgba(255,255,255,0.8);
  max-width: 440px;
  margin-bottom: 40px;
}
.login-hero-stats {
  display: flex;
  align-items: center;
  gap: 28px;
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--r);
  padding: 20px 28px;
  width: fit-content;
}
.hero-stat strong {
  display: block;
  font-size: 22px;
  font-weight: 700;
  color: var(--red);
}
.hero-stat span { font-size: 12px; color: rgba(255,255,255,0.65); }
.hero-stat-divider {
  width: 1px; height: 36px;
  background: rgba(255,255,255,0.15);
}

/* ── FORM PANEL ── */
.login-form-panel {
  overflow-y: auto;
  border-left: 1px solid var(--border);
  background: var(--bg-card);
}
.login-form-inner {
  padding: 48px 52px 64px;
  max-width: 440px;
  margin: 0 auto;
}

/* ── ROLE LABEL ── */
.auth-role-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.auth-role-label::before,
.auth-role-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ── PORTAL SWITCH ── */
.auth-portal-switch {
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

/* ── TABS ── */
.auth-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
}
.auth-tab {
  flex: 1;
  padding: 12px 0;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.15s, border-color 0.15s;
}
.auth-tab:hover { color: var(--text-sec); }
.auth-tab.active {
  color: var(--red);
  font-weight: 700;
  border-bottom-color: var(--red);
}

/* ── FORM ── */
.auth-form { display: flex; flex-direction: column; }
.auth-form.hidden { display: none; }
.auth-title {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 8px;
  background: linear-gradient(135deg, #fff 60%, var(--red));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.auth-subtitle {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 28px;
  line-height: 1.6;
}

/* Demo hint */
.demo-hint {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(245,158,11,0.08);
  border: 1px solid rgba(245,158,11,0.25);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 13px;
  color: #d4a017;
  margin-bottom: 20px;
}

/* Fields */
.field-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 16px;
  position: relative;
}
.field-group label {
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-sec);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.field-group input {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 13px 16px;
  font-size: 15px;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg-input);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.field-group input::placeholder { color: var(--text-muted); }
.field-group input:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(255,45,120,0.12);
}
.field-group input.error  { border-color: #ef4444; }
.field-group input.valid  { border-color: var(--green); }

.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field-error { font-size: 12px; color: #ef4444; margin-top: 4px; min-height: 16px; }

/* Password wrap */
.password-wrap { position: relative; }
.password-wrap input { width: 100%; padding-right: 64px; }
.toggle-pw {
  position: absolute; right: 14px; top: 50%; transform: translateY(-50%);
  font-size: 12px; font-weight: 600; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.05em;
}
.toggle-pw:hover { color: var(--red); }

/* Password strength */
.pw-strength {
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  margin-top: 8px;
  overflow: hidden;
}
.pw-bar {
  height: 100%;
  width: 0%;
  border-radius: 2px;
  transition: width 0.3s, background 0.3s;
}
.pw-bar.weak   { width: 33%;  background: #ef4444; }
.pw-bar.fair   { width: 66%;  background: var(--gold); }
.pw-bar.strong { width: 100%; background: var(--green); }
.pw-hint { font-size: 12px; color: var(--text-muted); margin-top: 6px; }

/* Form meta row */
.form-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  font-size: 13px;
}
.checkbox-label {
  display: flex; align-items: flex-start; gap: 8px;
  font-size: 13px; cursor: pointer; line-height: 1.4;
  color: var(--text-sec);
}
.checkbox-label input[type=checkbox] { accent-color: var(--red); margin-top: 2px; flex-shrink: 0; }
.inline-link { color: var(--red); font-weight: 600; text-decoration: none; }
.inline-link:hover { text-decoration: underline; }

/* Form-level error */
.form-error {
  display: block;
  font-size: 13px;
  color: #ef4444;
  margin-bottom: 12px;
  min-height: 18px;
}

/* Buttons */
.btn-primary {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--red), var(--dark-red));
  color: white;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font);
  transition: opacity 0.2s, transform 0.15s, box-shadow 0.2s;
  margin-bottom: 16px;
  box-shadow: 0 4px 20px rgba(255,45,120,0.3);
}
.btn-primary:hover:not(:disabled) {
  opacity: 0.92;
  transform: translateY(-1px);
  box-shadow: var(--glow-red);
}
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-spinner .spin {
  transform-origin: center;
  animation: rotate 0.8s linear infinite;
}
@keyframes rotate { to { transform: rotate(360deg); } }

.btn-social {
  display: flex; align-items: center; gap: 12px;
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-elevated);
  color: var(--text-sec);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 10px;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  font-family: var(--font);
}
.btn-social:hover {
  background: rgba(255,45,120,0.06);
  border-color: rgba(255,45,120,0.3);
  color: var(--text);
}
.btn-social svg { flex-shrink: 0; }

.link-btn {
  font-size: 13px; font-weight: 600; color: var(--red);
  text-decoration: none; font-family: var(--font);
}
.link-btn:hover { text-decoration: underline; }

/* Divider */
.divider {
  display: flex; align-items: center; gap: 12px;
  color: var(--text-muted); font-size: 12px;
  margin: 20px 0;
  text-transform: uppercase; letter-spacing: 0.06em;
}
.divider::before, .divider::after {
  content: ''; flex: 1; height: 1px; background: var(--border);
}

/* Forgot password */
.back-btn {
  font-size: 14px; color: var(--text-muted); margin-bottom: 24px;
  display: flex; align-items: center; gap: 4px;
}
.back-btn:hover { color: var(--red); }
.forgot-success {
  display: flex; align-items: center; gap: 8px;
  background: rgba(16,185,129,0.08);
  border: 1px solid rgba(16,185,129,0.25);
  border-radius: 8px; padding: 12px 16px;
  font-size: 14px; color: var(--green);
  margin-bottom: 16px;
}
.forgot-success.hidden { display: none; }

/* Auth footer note */
.auth-footer-note {
  text-align: center; font-size: 13px;
  color: var(--text-muted); margin-top: 24px;
  line-height: 1.6;
}

/* ── RESPONSIVE ── */
@media (max-width: 960px) {
  .login-layout { grid-template-columns: 1fr; }
  .login-hero   { display: none; }
  .login-form-panel { border-left: none; background: var(--bg); }
  .login-form-inner { padding: 36px 28px 56px; max-width: 100%; }
}
@media (max-width: 480px) {
  .login-nav { padding: 12px 16px; }
  .login-form-inner { padding: 24px 20px 48px; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .auth-title { font-size: 22px; }
}