/* ============================================================
   Login Page — Enterprise Design
   ============================================================ */

:root {
  --brand-primary:   #1a56db;
  --brand-hover:     #1e429f;
  --brand-focus-ring: rgba(26, 86, 219, 0.25);
  --surface:         #ffffff;
  --bg:              #f1f5f9;
  --border:          #e2e8f0;
  --text-primary:    #0f172a;
  --text-secondary:  #64748b;
  --danger-bg:       #fef2f2;
  --danger-border:   #fca5a5;
  --danger-text:     #991b1b;
  --success-bg:      #f0fdf4;
  --success-border:  #86efac;
  --success-text:    #166534;
  --radius:          10px;
  --shadow:          0 4px 24px rgba(15, 23, 42, 0.10);
  --transition:      0.18s ease;
}

/* Full-page shell */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg);
  background-image:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(26, 86, 219, 0.08) 0%, transparent 70%);
  padding: 1.5rem;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* Card */
.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  padding: 2.5rem 2.25rem 2rem;
}

/* Brand / Logo area */
.login-brand {
  text-align: center;
  margin-bottom: 2rem;
}

.login-brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  background: var(--brand-primary);
  border-radius: 12px;
  margin-bottom: 0.875rem;
}

.login-brand-icon img {
  width: 28px;
  height: 28px;
  fill: #fff;
}

.login-brand h1 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 0.25rem;
  letter-spacing: -0.02em;
}

.login-brand p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin: 0;
}

/* Flash alerts */
.login-alert {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-radius: 7px;
  font-size: 0.875rem;
  line-height: 1.4;
  margin-bottom: 1.25rem;
  border: 1px solid transparent;
}

.login-alert img {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  margin-top: 1px;
}

.login-alert--error {
  background: var(--danger-bg);
  border-color: var(--danger-border);
  color: var(--danger-text);
}

.login-alert--notice {
  background: var(--success-bg);
  border-color: var(--success-border);
  color: var(--success-text);
}

/* Form */
.login-form {
  display: flex;
  flex-direction: column;
  gap: 1.125rem;
}

.login-field {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.login-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.01em;
}

.login-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.login-input-wrap img {
  position: absolute;
  left: 0.75rem;
  width: 16px;
  height: 16px;
  pointer-events: none;
  flex-shrink: 0;
}

.login-input {
  width: 100%;
  padding: 0.625rem 0.875rem 0.625rem 2.375rem;
  border: 1.5px solid var(--border);
  border-radius: 7px;
  font-size: 0.9375rem;
  color: var(--text-primary);
  background: var(--surface);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  box-sizing: border-box;
}

.login-input::placeholder {
  color: #94a3b8;
}

.login-input:focus {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px var(--brand-focus-ring);
}

/* Submit button */
.login-submit {
  margin-top: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--brand-primary);
  color: #fff;
  font-size: 0.9375rem;
  font-weight: 600;
  border: none;
  border-radius: 7px;
  cursor: pointer;
  letter-spacing: 0.01em;
  transition: background var(--transition), transform var(--transition),
              box-shadow var(--transition);
  width: 100%;
}

.login-submit:hover {
  background: var(--brand-hover);
  box-shadow: 0 2px 8px rgba(26, 86, 219, 0.35);
}

.login-submit:active {
  transform: translateY(1px);
}

.login-submit:focus-visible {
  outline: 3px solid var(--brand-focus-ring);
  outline-offset: 2px;
}

.login-submit--loading,
.login-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  pointer-events: none;
}

/* Footer note */
.login-footer {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

/* ── Responsive ── */
@media (max-width: 480px) {
  .login-card {
    padding: 2rem 1.25rem 1.75rem;
  }
}