/* === Auth UI 2.0 (premium dark, consistent with dashboard) === */
:root {
  --bg: #0b1220;
  --panel: #0f172a;
  --glass: rgba(15,23,42,0.65);
  --border: #1f2a40;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --primary: #3b82f6;
  --primary-2: #2563eb;
  --ring: rgba(59,130,246,0.35);
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; color: var(--text); background: radial-gradient(1200px 800px at 20% -10%, rgba(59,130,246,0.07), transparent), var(--bg); font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; }

/* Spacing and controls */
:root { --space-1: 6px; --space-2: 10px; --space-3: 16px; --space-4: 20px; --control-h: 46px; }
.auth-form { gap: var(--space-3); }
.form-group { gap: var(--space-2); margin: 0 0 var(--space-1) 0; }
.input { min-height: var(--control-h); }
.input input, .input textarea { line-height: 1.45; font-size: 14px; }
.btn { min-height: var(--control-h); }
.form-actions { display:flex; align-items:center; justify-content: space-between; gap: var(--space-2); margin-top: var(--space-3); }

/* Layout */
.shell { display: grid; grid-template-columns: 1.1fr 0.9fr; min-height: 100vh; }
.brand-panel { position: relative; overflow: hidden; padding: 56px; border-right: 1px solid var(--border); background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0)); }
.brand-panel .grid { position: absolute; inset: 0; background-image: linear-gradient(transparent 95%, rgba(255,255,255,0.05) 95%), linear-gradient(90deg, transparent 95%, rgba(255,255,255,0.05) 95%); background-size: 40px 40px; opacity: .25; pointer-events: none; }
.brand-inner { position: relative; z-index: 1; max-width: 720px; margin: 0 auto; }
.hero-kicker { color: #93c5fd; font-weight: 600; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; }
.hero-title { margin: 8px 0 12px; font-weight: 800; font-size: 44px; letter-spacing: -0.02em; }
.hero-sub { color: var(--muted); margin: 0 0 24px; max-width: 680px; line-height: 1.6; }
.brand-features { display: grid; grid-template-columns: repeat(2, minmax(220px,1fr)); gap: 14px; margin-top: 16px; }
.brand-feature { display: flex; gap: 10px; align-items: flex-start; background: rgba(255,255,255,0.02); border: 1px solid var(--border); border-radius: 12px; padding: 12px; }
.brand-feature i { color: #93c5fd; margin-top: 2px; }

.auth-panel { display: grid; place-items: center; padding: 48px 32px; }
.card { width: 100%; max-width: 560px; backdrop-filter: saturate(120%) blur(8px); background: var(--glass); border: 1px solid var(--border); border-radius: 16px; padding: 26px; box-shadow: 0 20px 60px rgba(0,0,0,0.45), inset 0 1px 0 rgba(255,255,255,0.04); }
.card-header { display:flex; align-items:center; gap:12px; margin-bottom: 12px; }
.card-header .logo { height: 30px; }
.card-title { font-weight: 800; font-size: 24px; margin: 0; }
.card-sub { color: var(--muted); margin: 4px 0 0; }

/* Form */
.auth-form { display: flex; flex-direction: column; gap: var(--space-3); margin-top: 10px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-group { display:flex; flex-direction: column; gap: var(--space-1); }
.form-group label { color: var(--muted); font-size: 13px; }
.input { display:flex; align-items:center; gap:10px; background:#0b1220; border:1px solid var(--border); border-radius: 10px; padding: 11px 12px; transition: border .15s, box-shadow .15s; min-height: var(--control-h); }
.input:focus-within { border-color: var(--ring); box-shadow: 0 0 0 4px rgba(59,130,246,0.12); }
.input i { color: var(--muted); }
.input input, .input textarea { background: transparent; border: none; outline: none; color: var(--text); width: 100%; font-size: 14px; line-height: 1.4; }
.password-toggle { background: transparent; border: none; color: var(--muted); cursor: pointer; }

/* Password strength bar */
.password-strength { height: 6px; border-radius: 9999px; background: var(--border); width: 100%; margin-top: 6px; overflow: hidden; }
.password-strength.weak { background: linear-gradient(90deg, #7f1d1d 0%, #111827 100%); }
.password-strength.fair { background: linear-gradient(90deg, #b45309 0%, #111827 100%); }
.password-strength.good { background: linear-gradient(90deg, #16a34a 0%, #111827 100%); }
.password-strength.strong { background: linear-gradient(90deg, #06b6d4 0%, #111827 100%); }

/* Buttons */
.btn { border-radius: 10px; padding: 11px 14px; font-weight: 600; cursor: pointer; border: 1px solid transparent; min-height: var(--control-h); display: inline-flex; align-items: center; justify-content: center; text-decoration: none; }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-2)); border-color: rgba(59,130,246,0.5); color:#fff; }
.btn-secondary { background: transparent; border-color: var(--border); color: var(--text); }
.btn-full { display: flex; width: 100%; justify-content: center; }
.form-row .btn-full { grid-column: 1 / -1; }

/* Extras */
.form-options { display:flex; align-items:center; justify-content: space-between; color: var(--muted); font-size: 14px; }

/* Invitation email field styling */
.input[readonly] {
  background: #1a1a1a !important;
  border-color: #374151 !important;
  color: #6b7280 !important;
  cursor: not-allowed !important;
}

.input[readonly]:focus-within {
  border-color: #374151 !important;
  box-shadow: none !important;
}

.email-lock-hint {
  font-size: 0.75rem;
  color: #6b7280;
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}
.forgot-link { color:#93c5fd; text-decoration:none; }
.social { display:flex; flex-direction:column; gap:10px; }
.btn-google { background: #0b1220; border:1px solid var(--border); color:#fff; border-radius:10px; padding:11px 14px; display:flex; align-items:center; gap:10px; justify-content:center; }

.footer { color: var(--muted); text-align:center; margin-top: 8px; }
.footer a { color:#93c5fd; text-decoration:none; }

/* Notifications (auth) */
.notification { position: fixed; right: 16px; top: 16px; background: var(--panel); border: 1px solid var(--border); border-radius: 10px; color: var(--text); box-shadow: 0 10px 20px rgba(0,0,0,0.3); }
.notification .notification-close { background: transparent; border: none; color: var(--muted); cursor: pointer; }

/* Toast notifications for Auth (re-use dashboard styling) */
.toast {
  position: fixed;
  top: 16px;
  right: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(17,24,39,0.92);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
  z-index: 3000;
  min-width: 260px;
}
.toast.success { border-color: #16a34a; }
.toast.error { border-color: #dc2626; }
.toast .toast-icon { font-size: 14px; }
.toast .toast-message { font-weight: 600; }
.toast .toast-close { background: transparent; border: none; color: var(--muted); cursor: pointer; }

/* Responsive */
@media (max-width: 1100px) { .shell { grid-template-columns: 1fr; } .brand-panel { display:none; } .auth-panel { padding: 32px 20px; } .card { max-width: 640px; } .form-row { grid-template-columns: 1fr; } } 

/* Plan cards */
.plan-selector { display:grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--space-2); align-items: stretch; }
.plan-option { display:flex; flex-direction: column; justify-content: flex-start; border:1px solid var(--border); border-radius:12px; padding:14px; background:#0b1220; cursor:pointer; transition: border .15s, box-shadow .15s, transform .05s; }
.plan-option:hover { border-color: rgba(59,130,246,0.45); }
.plan-option.selected { border-color: rgba(59,130,246,0.8); box-shadow: 0 0 0 4px rgba(59,130,246,0.14); }
.plan-header h4 { margin: 0; }
.plan-price { color: var(--primary); font-weight: 700; }
.plan-features { margin: var(--space-1) 0 0 18px; padding:0; color: var(--muted); font-size: 14px; }

/* Error/hint */
.field-error { color: #ef4444 !important; font-size: 12.5px !important; margin-top: 4px !important; }
.small-hint { color: var(--muted); font-size: 12.5px; } 

/* Autofill fix */
input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus {
  -webkit-text-fill-color: var(--text);
  -webkit-box-shadow: 0 0 0px 1000px #0b1220 inset;
  box-shadow: 0 0 0px 1000px #0b1220 inset;
  transition: background-color 5000s ease-in-out 0s;
} 

/* Interactive states (Auth buttons) */
.btn { transition: transform .05s ease, box-shadow .15s ease, background-color .15s ease, border-color .15s ease, opacity .15s ease; }
.btn:focus { outline: none; }
.btn:focus-visible { box-shadow: 0 0 0 4px rgba(59,130,246,0.18); }
.btn:active { transform: translateY(1px) scale(0.995); }
.btn[disabled], .btn[aria-disabled="true"] { opacity: .6; cursor: not-allowed; pointer-events: none; }

/* Primary */
.btn-primary:hover { filter: brightness(1.03); box-shadow: 0 6px 20px rgba(59,130,246,0.22); }
.btn-primary:active { filter: brightness(0.98); box-shadow: 0 2px 10px rgba(59,130,246,0.18); }
.btn-primary:focus-visible { box-shadow: 0 0 0 4px rgba(59,130,246,0.24), 0 6px 20px rgba(59,130,246,0.22); }

/* Secondary */
.btn-secondary:hover { border-color: rgba(59,130,246,0.5); box-shadow: 0 0 0 4px rgba(59,130,246,0.12); background: rgba(59,130,246,0.06); }
.btn-secondary:active { background: rgba(59,130,246,0.09); box-shadow: 0 0 0 3px rgba(59,130,246,0.12); }
.btn-secondary:focus-visible { box-shadow: 0 0 0 4px rgba(59,130,246,0.18); }

/* Google button */
.btn-google:hover { border-color: rgba(59,130,246,0.5); box-shadow: 0 0 0 4px rgba(59,130,246,0.12); }
.btn-google:active { transform: translateY(1px); }
.btn-google:focus-visible { box-shadow: 0 0 0 4px rgba(59,130,246,0.18); }