:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --danger-color: #dc2626;
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    height: 100vh;
    overflow: hidden;
    background: var(--gradient-primary);
}

.login-container {
    display: flex;
    height: 100vh;
    position: relative;
}

/* Panneau de gauche avec la tour */
.left-panel {
    flex: 1;
    background: var(--gradient-primary);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 3rem;
    position: relative;
    overflow: hidden;
}

.tower-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../Content/images/background.png') no-repeat center center; background-size: cover;
    background-size: cover;
    opacity: 0.3;
    z-index: 1;
}

.left-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
}

.company-logo {
    width: 120px;
    height: 120px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    border: 3px solid rgba(255, 255, 255, 0.2);
}

    .company-logo img {
        max-width: 70px;
        max-height: 70px;
    }

.company-name {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.company-subtitle {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.9);
}

.company-description {
    font-size: 1rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
    max-width: 400px;
    margin: 0 auto 2rem;
}

.company-info {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

/* Panneau de droite avec le formulaire */
.right-panel {
    flex: 0 0 500px;
    background: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 3rem;
    box-shadow: var(--shadow-xl);
    position: relative;
}

.form-container {
    max-width: 400px;
    margin: 0 auto;
    width: 100%;
}

.form-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.form-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 0.5rem;
}

.form-subtitle {
    color: var(--gray-500);
    font-size: 1rem;
}

/* Champs de formulaire */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.form-input {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--gray-200);
    border-radius: 0.75rem;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--gray-50);
    color: var(--gray-800);
}

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

    .form-input::placeholder {
        color: var(--gray-400);
    }

/* Sélecteur de société */
.form-select {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--gray-200);
    border-radius: 0.75rem;
    font-size: 1rem;
    background: var(--gray-50);
    color: var(--gray-800);
    cursor: pointer;
    transition: all 0.3s ease;
}

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

/* Boutons */
.button-group {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.btn-primary {
    flex: 1;
    padding: 1rem 2rem;
    background: var(--gradient-primary);
    border: none;
    border-radius: 0.75rem;
    color: white;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-lg);
    }

.btn-secondary {
    flex: 1;
    padding: 1rem 2rem;
    background: transparent;
    border: 2px solid var(--gray-300);
    border-radius: 0.75rem;
    color: var(--gray-600);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

    .btn-secondary:hover {
        border-color: var(--gray-400);
        color: var(--gray-700);
    }

/* Messages d'erreur */
.validation-summary {
    background: rgba(220, 38, 38, 0.1);
    border: 1px solid rgba(220, 38, 38, 0.2);
    border-radius: 0.75rem;
    padding: 1rem;
    margin-bottom: 1.5rem;
    color: var(--danger-color);
    font-size: 0.9rem;
}

.text-danger {
    color: var(--danger-color);
    font-size: 0.8rem;
    margin-top: 0.5rem;
    display: block;
}

/* Éléments décoratifs flottants */
.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 1;
}

.floating-circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: float 8s ease-in-out infinite;
}

.circle-1 {
    width: 100px;
    height: 100px;
    top: 20%;
    left: 10%;
    animation-delay: -2s;
}

.circle-2 {
    width: 60px;
    height: 60px;
    top: 60%;
    right: 15%;
    animation-delay: -4s;
}

.circle-3 {
    width: 80px;
    height: 80px;
    bottom: 20%;
    left: 20%;
    animation-delay: -1s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
        opacity: 0.1;
    }

    50% {
        transform: translateY(-30px) rotate(180deg);
        opacity: 0.3;
    }
}

/* Responsive */
@media (max-width: 1024px) {
    .login-container {
        flex-direction: column;
    }

    .left-panel {
        flex: 0 0 40vh;
        padding: 2rem;
    }

    .right-panel {
        flex: 1;
        padding: 2rem;
    }

    .company-name {
        font-size: 2rem;
    }

    .company-logo {
        width: 80px;
        height: 80px;
    }
}

@media (max-width: 768px) {
    .left-panel {
        flex: 0 0 30vh;
        padding: 1.5rem;
    }

    .right-panel {
        padding: 1.5rem;
    }

    .company-name {
        font-size: 1.5rem;
    }

    .button-group {
        flex-direction: column;
    }

    .floating-elements {
        display: none;
    }
}

/* Preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loader {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}