:root {
  --blue: #1a9ed4;
  --dark: #1a1a2e;
  --mid: #555;
  --light: #888;
  --border: #e8e8e8;
  --bg: #f5f7fa;
  --danger: #e53935;
}

/* ── Login Container ─────────────────────────────────────── */
.login-container {
  padding: 20px 16px 70px;
  max-width: 900px;
}

/* ── Card Panels ─────────────────────────────────────────── */
.auth-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px 30px;
  height: 100%;
}

.auth-card .title {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
  letter-spacing: 0.5px;
}

.auth-divider {
  width: 40px;
  height: 3px;
  background: var(--blue);
  border-radius: 2px;
  margin-bottom: 24px;
}

/* ── Form Elements ───────────────────────────────────────── */
.form-label-custom {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 6px;
}
.form-label-custom .required {
  color: var(--danger);
}

.form-input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 13px;
  color: var(--dark);
  background: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
  margin-bottom: 16px;
  outline: none;
}
.form-input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(26, 158, 212, 0.1);
}
.form-input.error {
  border-color: var(--danger);
}

.field-error {
  font-size: 12px;
  color: var(--danger);
  margin-top: -12px;
  margin-bottom: 12px;
  display: none;
}
.field-error.show {
  display: block;
}

/* ── Form Footer (checkbox + forgot) ─────────────────────── */
.form-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 8px;
}
.remember-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}
.remember-wrap input[type="checkbox"] {
  width: 15px;
  height: 15px;
  accent-color: var(--blue);
  cursor: pointer;
}
.remember-wrap label {
  font-size: 13px;
  color: var(--mid);
  cursor: pointer;
  margin: 0;
}
.forget-password {
  font-size: 13px;
  color: var(--dark);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}
.forget-password:hover {
  color: var(--blue);
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn-auth {
  width: 100%;
  background: var(--dark);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 12px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.btn-auth:hover {
  background: var(--blue);
}
.btn-auth:active {
  transform: scale(0.98);
}
.btn-auth:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

/* ── Error Alert ─────────────────────────────────────────── */
.auth-alert {
  font-size: 13px;
  border-radius: 6px;
  padding: 10px 14px;
  margin-bottom: 16px;
  display: none;
  align-items: center;
  gap: 8px;
}
.auth-alert.show {
  display: flex;
}
.auth-alert.alert-danger {
  background: #fdecea;
  color: #c62828;
  border: 1px solid #f5c6c6;
}
.auth-alert.alert-success {
  background: #e8f5e9;
  color: #2e7d32;
  border: 1px solid #c8e6c9;
}

/* ── Password Toggle ─────────────────────────────────────── */
.input-wrap {
  position: relative;
  margin-bottom: 16px;
}
.input-wrap .form-input {
  margin-bottom: 0;
  padding-right: 40px;
}
.toggle-pw {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--light);
  cursor: pointer;
  font-size: 14px;
  padding: 0;
  line-height: 1;
}
.toggle-pw:hover {
  color: var(--blue);
}

/* ── Divider between cols on mobile ─────────────────────── */
.col-divider {
  display: none;
  border: none;
  border-top: 1px solid var(--border);
  margin: 24px 0;
}
@media (max-width: 767px) {
  .col-divider {
    display: block;
  }
  .auth-card {
    margin-bottom: 0;
  }
  .login-container {
    padding: 30px 12px 50px;
  }
}

/* ── Spinner inside button ───────────────────────────────── */
.btn-spinner {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}