* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        .container {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
            padding: 40px;
            width: 100%;
            max-width: 450px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }


        .logo {
            color: #2c3e50;
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 10px;
            letter-spacing: -1px;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .logo:hover {
            color: #667eea;
        }

        .subtitle {
            color: #666;
            font-size: 0.9rem;
            margin-bottom: 30px;
            font-weight: 500;
        }

        .icon-container {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, #667eea, #764ba2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 30px;
            box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
        }

        .lock-icon {
            width: 40px;
            height: 40px;
            fill: white;
        }

        h1 {
            color: #333;
            font-size: 1.8rem;
            margin-bottom: 15px;
            font-weight: 700;
        }

        .description {
            color: #666;
            margin-bottom: 30px;
            line-height: 1.6;
            font-size: 0.95rem;
        }

        .form-group {
            margin-bottom: 25px;
            text-align: left;
        }

        .input-container {
            position: relative;
            margin-bottom: 20px;
        }

        .input-icon {
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            width: 20px;
            height: 20px;
            fill: #999;
            z-index: 2;
        }

        input[type="email"] {
            width: 100%;
            padding: 18px 18px 18px 50px;
            border: 2px solid #e1e5e9;
            border-radius: 12px;
            font-size: 1rem;
            background: #fafbfc;
            transition: all 0.3s ease;
            outline: none;
        }

        input[type="email"]:focus {
            border-color: #667eea;
            background: white;
            box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
        }

        input[type="email"]::placeholder {
            color: #999;
        }

        .submit-btn {
            width: 100%;
            padding: 18px;
            background: linear-gradient(135deg, #667eea, #764ba2);
            color: white;
            border: none;
            border-radius: 12px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .submit-btn::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;
        }

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

        .submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
        }

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

        .back-link {
            margin-top: 25px;
            padding-top: 25px;
            border-top: 1px solid #e1e5e9;
        }

        .back-link a {
            color: #667eea;
            text-decoration: none;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.3s ease;
        }

        .back-link a:hover {
            color: #764ba2;
            transform: translateX(-3px);
        }

        .arrow-icon {
            width: 16px;
            height: 16px;
            fill: currentColor;
            transition: transform 0.3s ease;
        }

        .back-link a:hover .arrow-icon {
            transform: translateX(-3px);
        }

        @media (max-width: 480px) {
            .container {
                padding: 30px 25px;
                margin: 10px;
            }

            .logo {
                font-size: 2rem;
            }

            h1 {
                font-size: 1.5rem;
            }
        }

        .success-animation {
            animation: pulse 2s infinite;
        }

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

        .floating-shapes {
            position: absolute;
            width: 100%;
            height: 100%;
            overflow: hidden;
            z-index: -1;
        }

        .shape {
            position: absolute;
            opacity: 0.1;
            animation: float 6s ease-in-out infinite;
        }

        .shape:nth-child(1) {
            top: 20%;
            left: 10%;
            animation-delay: 0s;
        }

        .shape:nth-child(2) {
            top: 60%;
            right: 10%;
            animation-delay: 2s;
        }

        .shape:nth-child(3) {
            bottom: 20%;
            left: 20%;
            animation-delay: 4s;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0px) rotate(0deg); }
            50% { transform: translateY(-20px) rotate(10deg); }
        }


        .logo-image {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    transition: all 0.3s ease;
    border: 2px solid rgba(0, 212, 255, 0.3);
}

.logo:hover .logo-image {
    border-color: rgba(0, 212, 255, 0.6);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.4);
}

/* Responsive pour mobile */
@media (max-width: 768px) {
    .logo-image {
        width: 40px;
        height: 40px;
    }
}



.flash-message {
    margin: 15px 0;
    padding: 12px 20px;
    border-radius: 8px;
    font-weight: bold;
    text-align: center;
}

.flash-message.success {
    background-color: #4CAF50;
    color: white;
}

.flash-message.danger {
    background-color: #f44336;
    color: white;
}