/* Login shared base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #ffffff;
  --bg2: #ffffff;
  --bg3: #f1f5f9;
  --border: #e2e8f0;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-light: #2563eb14;
  --text: #0f172a;
  --text-muted: #64748b;
  --danger: #dc2626;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
  --transition: .18s ease;
}

html { font-size: 15px; }
body { background: var(--bg); color: var(--text); font-family: Inter, system-ui, sans-serif; min-height: 100vh; }

.login-page {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; padding: 1rem;
  background: #f9fafb;
}
.login-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 16px; padding: 2.5rem 2rem;
  width: 100%; max-width: 420px;
  box-shadow: var(--shadow);
}
.login-logo { text-align: center; margin-bottom: 2rem; }
.login-logo .icon {
  width: 52px; height: 52px; background: var(--accent-light);
  border-radius: 14px; display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: .75rem;
}
.login-logo .icon svg { width: 28px; height: 28px; fill: var(--accent); }
.login-logo h1 { font-size: 1.4rem; font-weight: 700; }
.login-logo p { color: var(--text-muted); font-size: .85rem; margin-top: .25rem; }

.form-group { margin-bottom: 1.1rem; }
.form-group label {
  display: block; font-size: .82rem; color: var(--text-muted);
  margin-bottom: .4rem; font-weight: 500; letter-spacing: .02em; text-transform: uppercase;
}
.form-group input {
  width: 100%; background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--radius); padding: .65rem .9rem;
  color: var(--text); font-size: .95rem; transition: border-color var(--transition);
}
.form-group input:focus { outline: none; border-color: var(--accent); }
.form-group input[readonly] { opacity: .6; cursor: not-allowed; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  padding: .65rem 1.2rem; border-radius: var(--radius); font-size: .9rem;
  font-weight: 600; cursor: pointer; border: none; transition: all var(--transition);
}
.btn-primary { background: var(--accent); color: #fff; width: 100%; padding: .75rem; font-size: .95rem; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-primary:disabled { opacity: .6; cursor: not-allowed; }

.error-msg {
  background: #fef2f2; border: 1px solid #fca5a5; color: var(--danger);
  border-radius: var(--radius); padding: .6rem .9rem; font-size: .85rem;
  margin-bottom: 1rem; display: none;
}
.error-msg.show { display: block; }

.spinner {
  width: 22px; height: 22px; border: 2px solid var(--border);
  border-top-color: var(--accent); border-radius: 50%;
  animation: spin .7s linear infinite; display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }