/* Variables globales */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --error-color: #e74c3c;
    --success-color: #2ecc71;
    --warning-color: #f1c40f;
    --background-gradient: linear-gradient(135deg, #1a2a3d 0%, #2c3e50 100%);
    --box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
    --transition-speed: 0.3s;
    --border-radius: 10px;
    --input-height: 45px;
}

/* Reset et styles de base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--background-gradient);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    color: var(--primary-color);
    line-height: 1.6;
}

/* Conteneurs principaux */
.container {
    background: rgba(255, 255, 255, 0.95);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    width: 100%;
    max-width: 400px;
    transition: transform var(--transition-speed) ease;
    position: relative;
    overflow: hidden;
}

.container:hover {
    transform: translateY(-5px);
}

/* En-têtes */
h1 {
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 1.5rem;
    font-size: 2rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* Formulaires */
form {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

/* Champs de saisie */
.input-group {
    position: relative;
}

input {
    width: 100%;
    height: var(--input-height);
    padding: 0 15px;
    border: 2px solid #ddd;
    border-radius: calc(var(--border-radius) / 2);
    font-size: 1rem;
    transition: all var(--transition-speed) ease;
    background-color: white;
}

input:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

input::placeholder {
    color: #999;
}

/* Style spécifique pour la case à cocher */
input[type="checkbox"] {
    width: auto;
    height: auto;
    margin-right: 8px;
}

/* Conteneur de mot de passe */
.password-container {
    position: relative;
}

.toggle-password {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: #666;
    background: none;
    border: none;
    padding: 0;
    font-size: 1.2rem;
}

/* Boutons */
button {
    height: var(--input-height);
    background-color: var(--secondary-color);
    color: white;
    border: none;
    border-radius: calc(var(--border-radius) / 2);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color var(--transition-speed) ease;
    position: relative;
    overflow: hidden;
}

button:hover {
    background-color: #2980b9;
}

button:active {
    transform: scale(0.98);
}

/* Messages d'erreur et de succès */
.error, .success {
    padding: 10px;
    border-radius: calc(var(--border-radius) / 2);
    margin-top: 1rem;
    font-size: 0.9rem;
    text-align: center;
}

.error {
    color: var(--error-color);
    background-color: rgba(231, 76, 60, 0.1);
}

.success {
    color: var(--success-color);
    background-color: rgba(46, 204, 113, 0.1);
}

/* Indicateur de force du mot de passe */
.strength-meter {
    height: 4px;
    background-color: #ddd;
    margin-top: 5px;
    border-radius: 2px;
    overflow: hidden;
}

.strength-meter div {
    height: 100%;
    width: 0;
    transition: width var(--transition-speed) ease;
}

/* État de chargement */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid white;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
}

/* Liens */
a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: color var(--transition-speed) ease;
}

a:hover {
    color: #2980b9;
    text-decoration: underline;
}

/* Animation de rotation pour le loader */
@keyframes spin {
    to {
        transform: translateY(-50%) rotate(360deg);
    }
}

/* Media Queries pour la responsivité */
@media screen and (max-width: 480px) {
    .container {
        padding: 1.5rem;
    }

    h1 {
        font-size: 1.5rem;
    }

    input, button {
        height: 40px;
    }
}

/* Animations de transition */
.fade-enter {
    opacity: 0;
    transform: translateY(20px);
}

.fade-enter-active {
    opacity: 1;
    transform: translateY(0);
    transition: opacity var(--transition-speed) ease,
                transform var(--transition-speed) ease;
}

.fade-exit {
    opacity: 1;
}

.fade-exit-active {
    opacity: 0;
    transform: translateY(-20px);
    transition: opacity var(--transition-speed) ease,
                transform var(--transition-speed) ease;
}

/* Classes utilitaires */
.text-center {
    text-align: center;
}

.mt-1 {
    margin-top: 1rem;
}

.mb-1 {
    margin-bottom: 1rem;
}

.hidden {
    display: none;
}