:root {
            --primary: #183650;
            --primary-dark: #183650;
            --secondary: #10b981;
            --dark: #1e293b;
            --light: #f8fafc;
            --gray: #64748b;
            --success: #059669;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Inter', sans-serif;
        }

        body {
            background: url(../im1.jpg) repeat;
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 10px;
            transition: background 1s ease;
        }

        .background-selector {
            position: fixed;
            top: 20px;
            right: 20px;
            z-index: 100;
        }

        .bg-btn {
            background: rgba(255, 255, 255, 0.2);
            border: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            margin-left: 10px;
            cursor: pointer;
            backdrop-filter: blur(10px);
            color: white;
            font-size: 18px;
            transition: all 0.3s ease;
        }

        .bg-btn:hover {
            background: rgba(255, 255, 255, 0.3);
            transform: scale(1.1);
        }

        .login-container {
            width: 100%;
            max-width: 900px;
            position: relative;
            z-index: 10;
        }

        .login-card {
            background: rgba(255, 255, 255, 0.95);
            border-radius: 20px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
            overflow: hidden;
            backdrop-filter: blur(10px);
            transition: transform 0.3s ease;
        }

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

        .card-header {
            background: #183650 ;
            color: white;
            padding: 30px;
            text-align: center;
            position: relative;
        }

        .logo {
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 15px;
        }

        .logo-icon {
            font-size: 32px;
            margin-right: 12px;
            background: rgba(255, 255, 255, 0.2);
            width: 50px;
            height: 50px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .logo-text {
            font-size: 28px;
            font-weight: 700;
            letter-spacing: -0.5px;
        }

        .tagline {
            font-size: 16px;
            opacity: 0.9;
            margin-top: 5px;
        }

        .card-body {
            padding: 30px;
        }

        .form-title {
            text-align: center;
            color: var(--dark);
            margin-bottom: 25px;
            font-weight: 600;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            color: var(--dark);
            font-size: 14px;
        }

        .input-group {
            position: relative;
        }

        .form-control {
            width: 100%;
            padding: 14px 16px;
            border: 1px solid #e2e8f0;
            border-radius: 10px;
            font-size: 15px;
            transition: all 0.3s;
            background: white;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
        }

        .input-icon {
            position: absolute;
            right: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--gray);
        }

        .forgot-password {
            text-align: right;
            margin-bottom: 20px;
        }

        .forgot-password a {
            color: var(--primary);
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s;
        }

        .forgot-password a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }

        .btn-login {
            width: 100%;
            padding: 14px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border: none;
            border-radius: 10px;
            color: white;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .btn-login:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(37, 99, 235, 0.4);
        }

        .btn-login i {
            margin-right: 8px;
        }

        .divider {
            display: flex;
            align-items: center;
            margin: 25px 0;
        }

        .divider-line {
            flex-grow: 1;
            height: 1px;
            background: #e2e8f0;
        }

        .divider-text {
            padding: 0 15px;
            color: var(--gray);
            font-size: 14px;
        }

        .register-section {
            text-align: center;
            margin-top: 20px;
        }

        .register-section p {
            color: var(--gray);
            margin-bottom: 15px;
        }

        .btn-register {
            display: inline-block;
            padding: 12px 25px;
            background: white;
            border: 1px solid var(--primary);
            border-radius: 10px;
            color: var(--primary);
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s;
        }

        .btn-register:hover {
            background: var(--primary);
            color: white;
        }

        .security-notice {
            text-align: center;
            margin-top: 25px;
            padding: 12px;
            background: #f0f9ff;
            border-radius: 8px;
            color: var(--primary);
            font-size: 13px;
        }

        .security-notice i {
            margin-right: 5px;
        }

        .floating-elements {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 1;
        }

        .floating-element {
            position: absolute;
            opacity: 0.1;
            color: white;
            font-size: 24px;
            animation: float 15s infinite linear;
        }

        @keyframes float {
            0% {
                transform: translateY(0) rotate(0deg);
            }
            100% {
                transform: translateY(-100vh) rotate(360deg);
            }
        }

        .features {
            display: flex;
            justify-content: space-between;
            margin-top: 25px;
            text-align: center;
        }

        .feature {
            flex: 1;
            padding: 10px;
        }

        .feature-icon {
            font-size: 20px;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .feature-text {
            font-size: 12px;
            color: var(--gray);
        }

        /* NOUVEAUX STYLES POUR LE LAYOUT EN ROW */
        .content-row {
            display: flex;
            gap: 30px;
            margin-top: 20px;
        }

        .login-section {
            flex: 1;
        }

        .side-section {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .side-content {
            background: #f8fafc;
            border-radius: 12px;
            padding: 25px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }

        .benefits-list {
            list-style: none;
            margin-top: 20px;
        }

        .benefits-list li {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
            color: var(--dark);
            font-size: 14px;
        }

        .benefits-list i {
            color: var(--primary);
            margin-right: 10px;
            font-size: 16px;
        }

        .side-title {
            color: var(--dark);
            font-weight: 600;
            margin-bottom: 15px;
            font-size: 18px;
        }

        .stats {
            display: flex;
            justify-content: space-between;
            margin-top: 25px;
            text-align: center;
        }

        .stat-item {
            flex: 1;
        }

        .stat-number {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
        }

        .stat-label {
            font-size: 12px;
            color: var(--gray);
            margin-top: 5px;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .content-row {
                flex-direction: column;
                gap: 20px;
            }

            .login-container {
                max-width: 100%;
            }

            .card-header {
                padding: 25px 20px;
            }

            .card-body {
                padding: 25px 20px;
            }

            .logo-text {
                font-size: 24px;
            }

            .background-selector {
                top: 10px;
                right: 10px;
            }
        }

        @media (max-width: 576px) {
            .features, .stats {
                flex-direction: column;
                gap: 15px;
            }

            .feature, .stat-item {
                margin-bottom: 10px;
            }
        }