/* ================================
   Root Variables (Theme Colors) - Updated to match login.php
   ================================ */
:root {
  --bg: #ffffff;
  --white: #ffffff;
  --moove: #2563eb;
  --moove-dark: #7c3aed;
  --orange: #ff8a00;
  --primary-orange: var(--orange);
  --primary-hover: #e07a00;
  --background-light: #f5f7fa;
  --border-color: #e6e6e6;
  --text-dark: #111827;
}

/* ================================
   Base Styles
   ================================ */
body {
  background: linear-gradient(135deg, #f5f7fa, #e9eef8);
  font-family: Inter, 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text-dark);
  margin: 0;
  padding: 0;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 20% 80%, rgba(37, 99, 235, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 80% 20%, rgba(124, 58, 237, 0.1) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

/* ================================
   Container & Card
   ================================ */
.register-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 1.5rem;
  animation: fadeInBg 1s ease-in;
}

@keyframes fadeInBg {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.register-card {
  background: var(--white);
  border-radius: 14px;
  padding: 0;
  width: 100%;
  max-width: 420px;
  border: none;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(255, 255, 255, 0.05);
  animation: slideUp 1s ease-out;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(50px) scale(0.9); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.register-card h2 {
  font-weight: 600;
  color: var(--moove);
  text-align: center;
  margin-bottom: 1.5rem;
}

/* ================================
   Form Elements
   ================================ */
.form-label {
  font-weight: 500;
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
}

.form-control {
  border: 1px solid var(--border-color);
  padding: 0.7rem 1rem;
  border-radius: 8px;
  transition: all 0.3s ease-in-out;
  background: #fafbfc;
}

.form-control:focus {
  border-color: var(--moove);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
  transform: translateY(-1px);
  background: #fff;
}

.form-check-label a {
  color: var(--moove);
  text-decoration: none;
}

.form-check-label a:hover {
  text-decoration: underline;
  color: var(--moove-dark);
}

/* ================================
   Alerts
   ================================ */
.alert {
  border-radius: 8px;
  padding: 0.9rem 1.2rem;
  font-size: 0.95rem;
  animation-duration: 0.5s;
  margin-bottom: 1.2rem;
}

/* Error shakes */
.alert-danger {
  animation: shake 0.4s ease-in-out;
}

@keyframes shake {
  0% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  50% { transform: translateX(6px); }
  75% { transform: translateX(-4px); }
  100% { transform: translateX(0); }
}

/* Success pops in */
.alert-success {
  animation: popIn 0.6s ease-out;
}

@keyframes popIn {
  0% { opacity: 0; transform: scale(0.9); }
  50% { opacity: 1; transform: scale(1.05); }
  100% { opacity: 1; transform: scale(1); }
}

/* ================================
   Buttons
   ================================ */
.btn-register {
  background: linear-gradient(135deg, var(--moove), var(--moove-dark));
  border: none;
  color: #fff;
  font-weight: 600;
  padding: 0.9rem;
  border-radius: 8px;
  transition: all 0.3s ease-in-out;
  width: 100%;
  position: relative;
  overflow: hidden;
}

.btn-register::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-register:hover::before {
  width: 300px;
  height: 300px;
}

.btn-register:hover {
  background: linear-gradient(135deg, var(--moove-dark), var(--moove));
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
}

.btn-register:active {
  transform: scale(0.98);
  box-shadow: none;
}

/* Loading State */
.btn-register.loading {
  pointer-events: none;
  opacity: 0.85;
}

.btn-register.loading::after {
  content: "";
  position: absolute;
  right: 16px;
  top: 50%;
  width: 18px;
  height: 18px;
  border: 2px solid #fff;
  border-top-color: transparent;
  border-radius: 50%;
  transform: translateY(-50%);
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: translateY(-50%) rotate(360deg); }
}

/* ================================
   Links
   ================================ */
.login-link a {
  color: var(--moove);
  text-decoration: none;
  transition: all 0.2s ease-in;
  position: relative;
}

.login-link a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--moove);
  transition: width 0.3s ease;
}

.login-link a:hover::after {
  width: 100%;
}

.login-link a:hover {
  color: var(--moove-dark);
  transform: translateX(2px);
}