/* ══════════════════════════════════════════════════════════════════════════
   DJ BookPro — Login / Sign-up Page
══════════════════════════════════════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:          #0d0d14;
  --surface:     #14141f;
  --surface-2:   #1a1a2a;
  --border:      #252538;
  --border-2:    #2e2e48;
  --accent:      #f05829;
  --accent-h:    #d94820;
  --accent-glow: rgba(240,88,41,0.22);
  --text:        #f1f5f9;
  --text-2:      #94a3b8;
  --text-3:      #475569;
  --danger:      #ef4444;
  --success:     #10b981;
  --radius:      12px;
  --radius-sm:   7px;
}

html { font-size: 15px; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── Ambient background orbs ── */
.auth-bg { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.18;
  animation: drift 12s ease-in-out infinite alternate;
}
.orb-1 { width: 500px; height: 500px; background: #f05829; top: -120px; left: -120px; animation-delay: 0s; }
.orb-2 { width: 400px; height: 400px; background: #06b6d4; bottom: -100px; right: -80px; animation-delay: -4s; }
.orb-3 { width: 300px; height: 300px; background: #f09040; top: 40%; left: 55%; animation-delay: -8s; }
@keyframes drift {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(30px, 20px) scale(1.05); }
}

/* ── Wrapper ── */
.auth-wrapper {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  padding: 24px 16px 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

/* ── Brand ── */
.auth-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
.brand-icon {
  display: flex; align-items: center; justify-content: center;
  filter: drop-shadow(0 0 24px var(--accent-glow));
}
.brand-logo-img {
  width: 64px; height: 64px;
  object-fit: contain;
}
.brand-name {
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--text);
}
.brand-name strong { color: var(--accent); }

/* ── Card ── */
.auth-card {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: 18px;
  padding: 28px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.5);
}

/* ── Tabs ── */
.auth-tabs {
  display: flex;
  gap: 4px;
  background: var(--surface-2);
  border-radius: var(--radius-sm);
  padding: 4px;
  margin-bottom: 24px;
}
.auth-tab {
  flex: 1;
  padding: 8px;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  color: var(--text-2);
  font-size: 0.875rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s;
}
.auth-tab.active {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 8px var(--accent-glow);
}

/* ── Alert ── */
.auth-alert {
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  margin-bottom: 16px;
  border: 1px solid transparent;
}
.auth-alert.error   { background: rgba(239,68,68,0.12);  border-color: rgba(239,68,68,0.25);  color: #fca5a5; }
.auth-alert.success { background: rgba(16,185,129,0.12); border-color: rgba(16,185,129,0.25); color: #6ee7b7; }

/* ── Form ── */
.auth-form { display: flex; flex-direction: column; gap: 16px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-2);
  display: flex; align-items: center; gap: 7px;
}
.form-group label i { color: var(--text-3); font-size: 0.75rem; }
.hint { color: var(--text-3); font-weight: 400; }

.form-group input {
  width: 100%;
  padding: 10px 13px;
  background: var(--surface-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-group input::placeholder { color: var(--text-3); }
.form-group input:-webkit-autofill {
  -webkit-box-shadow: 0 0 0 100px var(--surface-2) inset;
  -webkit-text-fill-color: var(--text);
}

/* Eye toggle */
.input-eye-wrap { position: relative; }
.input-eye-wrap input { padding-right: 40px; }
.eye-btn {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
  background: none; border: none; color: var(--text-3); cursor: pointer;
  font-size: 0.85rem; padding: 4px;
  transition: color 0.2s;
}
.eye-btn:hover { color: var(--text-2); }

/* ── Submit button ── */
.btn-auth {
  width: 100%;
  padding: 11px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  margin-top: 4px;
}
.btn-auth:hover:not(:disabled) { background: var(--accent-h); }
.btn-auth:active { transform: scale(0.98); }
.btn-auth:disabled { opacity: 0.6; cursor: not-allowed; }

/* ── Divider ── */
.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 18px 0;
  color: var(--text-3);
  font-size: 0.8rem;
}
.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ── Google button ── */
.btn-google {
  width: 100%;
  padding: 10px 14px;
  background: var(--surface-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.875rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 10px;
  transition: all 0.2s;
}
.btn-google:hover {
  background: var(--surface);
  border-color: #4285F4;
  box-shadow: 0 0 0 1px rgba(66,133,244,0.3);
}

/* ── Footer ── */
.auth-footer {
  font-size: 0.78rem;
  color: var(--text-3);
  text-align: center;
}

@media (max-width: 768px) {
  .auth-wrapper { padding: 16px 14px 24px; }
  .auth-card { padding: 24px 20px; }
  .role-select { gap: 6px; }
  .role-btn { padding: 10px 8px; font-size: 12px; }
  .brand-logo-img { width: 56px; height: 56px; }
}
@media (max-width: 480px) {
  .auth-card { padding: 22px 18px; border-radius: 14px; }
  .auth-tabs { font-size: 0.85rem; }
  .auth-tab { padding: 7px 6px; }
  .form-group input { padding: 11px 12px; font-size: 0.95rem; }
  .btn-auth { padding: 12px; font-size: 0.95rem; }
  .auth-footer { font-size: 11px; padding: 0 12px; }
}