/* ===== THEME ===== */
:root {
  --primary: #18b979;
  --secondary: #37a8d8;
  --dark: #0f1b2d;
  --text: #102033;
  --muted: #64748b;
  --line: #dbe7ea;
}

/* ===== BACKGROUND ===== */
.auth-page {
  font-family: 'Segoe UI', sans-serif;

  background:
    linear-gradient(rgba(15,27,45,0.82), rgba(15,27,45,0.82)),
    url("scrap-yard-bg.jpg");

  background-size: cover;
  background-position: center;
}

/* ===== CARD ===== */
.register-card {
  width: 360px;

  background: linear-gradient(
    180deg,
    rgba(255,255,255,0.9),
    rgba(240,249,250,0.85)
  );

  backdrop-filter: blur(12px);

  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.3);

  box-shadow:
    0 25px 60px rgba(0,0,0,0.25),
    0 0 0 1px rgba(255,255,255,0.1);

  transition: all 0.25s ease;
}

.register-card:hover {
  transform: translateY(-4px);
}

/* ===== BRAND ===== */
.brand-title {
  font-weight: 900;
  font-size: 28px;
  letter-spacing: -0.5px;
}

.brand-title span {
  color: var(--primary);
}

.subtitle {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 18px;
}

/* ===== INPUTS ===== */
.form-control {
  border-radius: 12px;
  padding: 10px 12px;
  border: 1px solid rgba(0,0,0,0.08);
  background: rgba(255,255,255,0.85);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(24,185,121,0.2);
}

/* ===== BUTTON ===== */
.register-btn {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border: none;
  font-weight: 700;
  border-radius: 12px;
  padding: 12px;
  color: white;

  box-shadow: 0 8px 20px rgba(24,185,121,0.25);
  transition: all 0.2s ease;
}

.register-btn:hover {
  transform: translateY(-2px);
}

.register-btn:active {
  transform: scale(0.97);
}

/* ===== SPINNER ===== */
.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid white;
  border-top: 2px solid transparent;
  border-radius: 50%;
  display: inline-block;
  margin-left: 8px;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ===== LINKS ===== */
.login-link {
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
}

.login-link:hover {
  text-decoration: underline;
}

/* ===== MESSAGES ===== */
#message {
  font-size: 14px;
  font-weight: 500;
}

.success {
  background: #e6f9f0;
  color: var(--primary);
  padding: 8px;
  border-radius: 8px;
  display: inline-block;
}

.error {
  background: #fde8e8;
  color: #e11d48;
  padding: 8px;
  border-radius: 8px;
  display: inline-block;
}

/* ===== GLOBAL SMOOTHNESS ===== */
* {
  transition: all 0.2s ease;
}