/* Styles pour l'interface d'authentification Event Manager */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --success-color: #22543d;
    --error-color: #c53030;
    --text-color: #2d3748;
    --text-light: #4a5568;
    --border-color: #e1e1e1;
    --background-light: #f7fafc;
    --shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: backgroundShift 10s ease-in-out infinite alternate;
}

@keyframes backgroundShift {
    0% { background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%); }
    100% { background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%); }
}

.login-container {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 420px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.login-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

h2 {
    text-align: center;
    color: var(--text-color);
    margin-bottom: 30px;
    font-size: 28px;
    font-weight: 300;
    position: relative;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.form-group {
    margin-bottom: 25px;
    position: relative;
}

label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-light);
    font-weight: 500;
    transition: color 0.3s ease;
}

input[type="email"], input[type="password"] {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: #fafafa;
}

input[type="email"]:focus, input[type="password"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    background: white;
    transform: scale(1.02);
}

input[type="email"]:focus + label, input[type="password"]:focus + label {
    color: var(--primary-color);
}

.btn-login {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

.btn-login::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-login:hover::before {
    left: 100%;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(102, 126, 234, 0.4);
}

.btn-login:active {
    transform: translateY(0);
}

.btn-login:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.message {
    margin-top: 20px;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.error {
    background: linear-gradient(135deg, #fed7d7, #feb2b2);
    color: var(--error-color);
    border: 1px solid #fc8181;
}

.success {
    background: linear-gradient(135deg, #c6f6d5, #9ae6b4);
    color: var(--success-color);
    border: 1px solid #68d391;
}

.user-info {
    background: var(--background-light);
    padding: 25px;
    border-radius: 12px;
    margin-top: 20px;
    border-left: 4px solid var(--primary-color);
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.user-info h3 {
    color: var(--text-color);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-info p {
    margin-bottom: 10px;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 8px;
}

.user-info strong {
    color: var(--text-color);
    min-width: 80px;
}

.btn-logout {
    background: linear-gradient(135deg, #e53e3e, #c53030);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    margin-top: 15px;
    transition: all 0.3s ease;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
}

.btn-logout:hover {
    background: linear-gradient(135deg, #c53030, #9c2626);
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(197, 48, 48, 0.3);
}

.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s linear infinite;
}

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

.token-display {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    color: #495057;
    word-break: break-all;
    margin-top: 12px;
    max-height: 120px;
    overflow-y: auto;
    border: 1px solid #dee2e6;
    position: relative;
}

.token-display::before {
    content: '🔑';
    position: absolute;
    top: 5px;
    right: 10px;
    font-size: 16px;
}

.token-display::-webkit-scrollbar {
    width: 6px;
}

.token-display::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.token-display::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
}

.token-display::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* Responsive Design */
@media (max-width: 480px) {
    .login-container {
        margin: 20px;
        padding: 30px 25px;
    }

    h2 {
        font-size: 24px;
    }

    input[type="email"], input[type="password"] {
        padding: 12px 15px;
        font-size: 16px;
    }

    .btn-login {
        padding: 14px;
        font-size: 15px;
    }
}

/* Animation pour les éléments qui apparaissent */
.fade-in {
    animation: fadeIn 0.5s ease;
}

.slide-up {
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}