/* ============================================================
   auth.css — Login & Register page styles
   Hospital Patient Registration System
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Poppins', sans-serif;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0f2540 0%, #1a3a5c 50%, #1a6644 100%);
  padding: 20px;
}

/* ── CARD ── */
.auth-card {
  background: #fff;
  border-radius: 20px;
  width: 100%;
  max-width: 460px;
  box-shadow: 0 24px 64px rgba(0,0,0,0.35);
  overflow: hidden;
}

/* ── CARD TOP BANNER ── */
.auth-banner {
  background: linear-gradient(135deg, #1a3a5c, #1a6644);
  padding: 32px 36px 28px;
  text-align: center;
  color: #fff;
}
.auth-banner .logo-box {
  width: 60px; height: 60px;
  background: rgba(255,255,255,0.15);
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 30px;
  margin: 0 auto 14px;
  border: 2px solid rgba(255,255,255,0.25);
}
.auth-banner h1 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.01em;
  margin-bottom: 4px;
}
.auth-banner p {
  font-size: 12.5px;
  color: rgba(255,255,255,0.7);
}

/* ── FORM BODY ── */
.auth-body { padding: 30px 36px 36px; }

.auth-title {
  font-size: 20px;
  font-weight: 700;
  color: #1a3a5c;
  margin-bottom: 4px;
}
.auth-sub {
  font-size: 13px;
  color: #7f8c8d;
  margin-bottom: 24px;
}

/* ── FORM GROUP ── */
.fg {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 16px;
}
.fg label {
  font-size: 12px;
  font-weight: 600;
  color: #555;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.fg .input-wrap {
  position: relative;
}
.fg .input-wrap .icon {
  position: absolute;
  left: 13px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 16px;
  color: #aaa;
  pointer-events: none;
}
.fg input,
.fg select {
  width: 100%;
  padding: 11px 13px 11px 38px;
  border: 1.5px solid #dce1e7;
  border-radius: 10px;
  font-family: 'Poppins', sans-serif;
  font-size: 13.5px;
  color: #333;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  background: #fff;
}
.fg input:focus,
.fg select:focus {
  border-color: #1a6644;
  box-shadow: 0 0 0 3px rgba(26,102,68,0.12);
}
.fg input.error { border-color: #e74c3c; }
.fg .field-error {
  font-size: 11.5px;
  color: #e74c3c;
  margin-top: 2px;
  display: none;
}
.fg .field-error.show { display: block; }

/* row of two columns */
.fg-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

/* ── SUBMIT BUTTON ── */
.btn-auth {
  width: 100%;
  padding: 12px;
  background: linear-gradient(135deg, #1a3a5c, #1a6644);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-family: 'Poppins', sans-serif;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.15s;
  margin-top: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.btn-auth:hover   { opacity: 0.9; transform: translateY(-1px); }
.btn-auth:active  { transform: translateY(0); }
.btn-auth:disabled{ opacity: 0.6; cursor: not-allowed; }

/* ── ALERTS ── */
.auth-alert {
  border-radius: 10px;
  padding: 11px 15px;
  font-size: 13px;
  display: none;
  align-items: center;
  gap: 9px;
  margin-bottom: 16px;
}
.auth-alert.show   { display: flex; }
.auth-alert.success{ background: #eafaf1; color: #1e8449; border: 1px solid #a9dfbf; }
.auth-alert.error  { background: #fdedec; color: #922b21; border: 1px solid #f5b7b1; }

/* ── FOOTER LINK ── */
.auth-footer {
  text-align: center;
  margin-top: 20px;
  font-size: 13px;
  color: #7f8c8d;
}
.auth-footer a {
  color: #1a6644;
  font-weight: 600;
  text-decoration: none;
}
.auth-footer a:hover { text-decoration: underline; }

/* ── DIVIDER ── */
.divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
  color: #bbb;
  font-size: 12px;
}
.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: #e8e8e8;
}

/* ── SPINNER ── */
.spinner {
  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;
  display: none;
}
.spinner.show { display: block; }
@keyframes spin { to { transform: rotate(360deg); } }