/* ===================== */
/*        Variables      */
/* ===================== */
:root {
  --primary-gradient: linear-gradient(180deg, #9333ea, #1c1a39);
  --primary-color: #4f46e5;
  --secondary-color: #9333ea;
  --bg-light: #eef2ff;
  --bg-white: #fff;
  --bg-card: #1e293b;
  --text-light: #f1f5f9;
  --text-muted: #94a3b8;
  --accent-color: #fbbf24;
  --radius: 12px;
  --shadow-light: 0 4px 12px rgba(79, 70, 229, 0.2);
  --shadow-subtle: 0 2px 8px rgba(0, 0, 0, 0.07);
  --font-family: "Inter", sans-serif;
}

/* ===================== */
/*   Reset & base style  */
/* ===================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: var(--font-family);
  font-weight: 500;
  font-style: normal;
  font-optical-sizing: auto;
}

body {
  background: var(--primary-gradient);
  color: var(--text-light);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px;
}

/* ===================== */
/*   Layout des pages    */
/* ===================== */
.register-page,
.login-page {
  background-color: #F9FAFB;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  min-height: 100vh;
  padding: 60px 20px;
  color: #1F2937;
}

/* ===================== */
/*      Titres h1        */
/* ===================== */
.register-page h1,
.login-page h1 {
  margin-top: 6%;
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 30px;
  color: var(--text-light);
}

/* ===================== */
/*      Formulaires      */
/* ===================== */
.register-page form,
.login-page form {
  background-color: var(--bg-card);
  padding: 30px 40px;
  border-radius: 16px;
  box-shadow: 0 6px 15px rgba(0,0,0,0.1);
  width: 380px;
  max-width: 95%;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.register-page form label,
.login-page form label {
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 6px;
  color: var(--text-light);
}

.register-page input[type="text"],
.register-page input[type="password"],
.login-page input[type="text"],
.login-page input[type="password"] {
  padding: 12px 15px;
  font-size: 1rem;
  border: 1.5px solid #D1D5DB;
  border-radius: 10px;
  transition: border-color 0.3s ease;
}

.register-page input:focus,
.login-page input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 6px rgba(79, 70, 229, 0.5);
}

.register-page button[type="submit"],
.login-page button[type="submit"] {
  background-color: var(--primary-color);
  color: white;
  padding: 12px 0;
  border: none;
  border-radius: 10px;
  font-weight: 600;
  font-size: 1.1rem;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.register-page button[type="submit"]:hover,
.login-page button[type="submit"]:hover {
  background-color: #3730A3;
}

/* ===================== */
/*     Message erreur    */
/* ===================== */
.register-page .error-message,
.login-page .error-message {
  color: #DC2626;
  background-color: var(--bg-light);
  padding: 10px 15px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
}

/* ===================== */
/*        Liens          */
/* ===================== */
.register-page > p,
.login-page > p {
  margin-top: 25px;
  font-size: 1rem;
  color: #6B7280;
  text-align: center;
}

.register-page > p a,
.login-page > p a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

.register-page > p a:hover,
.login-page > p a:hover {
  color: #3730A3;
  text-decoration: underline;
}

/* ===================== */
/*  Avatar (inscription) */
/* ===================== */
.avatar-selection {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 5px;
}

.avatar-option img {
  border: 2px solid transparent;
  border-radius: 50%;
  width: 80px;
  height: 80px;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.avatar-option img:hover {
  transform: scale(1.05);
}

.avatar-option input[type="radio"]:checked + img {
  border-color: var(--primary-color);
}