/* Variables CSS */
:root {
    /* Palette principale basée sur #c00055 */
    --primary: #c00055;
    --primary-light: #d63384;
    --primary-dark: #a0003a;
    --primary-alpha: rgba(192, 0, 85, 0.1);
    
    /* Couleurs complémentaires */
    --secondary: #6c757d;
    --success: #198754;
    --danger: #dc3545;
    --warning: #fd7e14;
    --info: #0dcaf0;
    
    /* Nuances de gris modernes */
    --white: #ffffff;
    --gray-50: #f8f9fa;
    --gray-100: #e9ecef;
    --gray-200: #dee2e6;
    --gray-300: #ced4da;
    --gray-400: #adb5bd;
    --gray-500: #6c757d;
    --gray-600: #495057;
    --gray-700: #343a40;
    --gray-800: #212529;
    --gray-900: #0d1117;
    
    /* Typographie */
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Espacements */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    
    /* Rayons de bordure */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    /* Ombres modernes */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition: all 0.15s ease-in-out;
    --transition-slow: all 0.3s ease-in-out;
}

/* Reset moderne */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: var(--gray-800);
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #cbd5e1 100%);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Effet subtil d'arrière-plan professionnel */
body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(192, 0, 85, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(192, 0, 85, 0.02) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(102, 126, 234, 0.01) 0%, transparent 50%);
    pointer-events: none;
}

/* Container principal */
.login-center {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
    position: relative;
}

/* Carte de login moderne */
.login-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: var(--space-10);
    width: 100%;
    max-width: 500px;
    min-width: 400px;
    text-align: center;
    position: relative;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Icône de connexion */
.login-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    font-size: 2.5rem;
    margin-bottom: var(--space-6);
    box-shadow: var(--shadow-lg);
    animation: pulse 2s ease-in-out infinite;
    color: var(--white);
}

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

/* Notification intranet */
.intranet-notice {
    margin-top: 0;
    margin-bottom: var(--space-6);
    padding: var(--space-4);
    background: var(--white);
    border-left: 4px solid var(--info);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: left;
    font-size: 0.9rem;
    line-height: 1.6;
    max-width: 500px;
    width: 100%;
}

.intranet-notice p {
    margin: 0;
    color: var(--gray-700);
}

.intranet-notice strong {
    color: var(--gray-800);
}

.intranet-notice a {
    color: var(--info);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    transition: var(--transition);
    word-break: break-all;
}

.intranet-notice a:hover {
    color: var(--primary);
    text-decoration: underline;
}

/* Titre */
.login-card h2 {
    font-size: 1.875rem;
    font-weight: var(--font-weight-bold);
    color: var(--gray-800);
    margin-bottom: var(--space-2);
    letter-spacing: -0.025em;
}

.login-card h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    border-radius: var(--radius);
    margin: var(--space-2) auto var(--space-3);
}

.login-card h3 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: var(--gray-600);
    margin-top: 0;
    margin-bottom: var(--space-8);
    letter-spacing: -0.025em;
}

/* Labels */
.login-card label {
    display: block;
    font-weight: var(--font-weight-medium);
    color: var(--gray-700);
    margin-bottom: var(--space-2);
    text-align: left;
    font-size: 0.875rem;
    letter-spacing: 0.025em;
}

/* Inputs modernes */
.login-card input[type="text"],
.login-card input[type="password"] {
    width: 100%;
    padding: var(--space-4) var(--space-5);
    margin-bottom: var(--space-5);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    background: var(--gray-50);
    font-size: 1rem;
    font-family: var(--font-family);
    transition: var(--transition);
    outline: none;
}

/* Champ de mot de passe avec bouton toggle */
.password-field {
    display: flex !important;
    gap: var(--space-3);
    margin-bottom: var(--space-5);
    align-items: center;
}

.password-field input {
    margin-bottom: 0 !important;
    flex: 1 1 auto !important;
    min-width: 0 !important;
    width: auto !important;
}

.password-toggle {
    background: var(--primary);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 1.2rem;
    padding: 0 !important;
    width: 3.25rem !important;
    max-width: 3.25rem !important;
    min-width: 3.25rem !important;
    height: 3.25rem !important;
    max-height: 3.25rem !important;
    min-height: 3.25rem !important;
    flex-shrink: 0 !important;
    flex-grow: 0 !important;
    transition: var(--transition);
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
}

.password-toggle:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.password-toggle:active {
    transform: translateY(0);
    background: var(--gray-300);
}

.password-toggle #eye-icon {
    pointer-events: none;
}

/* Checkbox "Se rappeler de moi" */
.remember-me {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    text-align: left;
}

.remember-me input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin: 0;
    cursor: pointer;
    accent-color: var(--primary);
}

.remember-me label {
    margin: 0;
    font-size: 0.875rem;
    font-weight: var(--font-weight-normal);
    color: var(--gray-600);
    cursor: pointer;
    user-select: none;
}

.remember-me label:hover {
    color: var(--primary);
}

.login-card input:focus {
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 3px var(--primary-alpha);
    transform: translateY(-1px);
}

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

/* Bouton de connexion moderne */
.login-card button[type="submit"] {
    width: 100%;
    padding: var(--space-4) var(--space-6);
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    font-family: var(--font-family);
    cursor: pointer;
    margin-top: var(--space-4);
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    letter-spacing: 0.025em;
    position: relative;
    overflow: hidden;
}

.login-card button[type="submit"]::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;
}

.login-card button[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
}

.login-card button[type="submit"]:hover::before {
    left: 100%;
}

.login-card button[type="submit"]:active {
    transform: translateY(0);
}

/* Message d'erreur moderne */
.login-error {
    background: linear-gradient(135deg, #fee2e2, #fecaca);
    color: var(--danger);
    border: 1px solid #fca5a5;
    border-radius: var(--radius-md);
    padding: var(--space-3) var(--space-4);
    margin-top: var(--space-5);
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    animation: shake 0.5s ease-in-out;
}

.login-error::before {
    content: '⚠️';
    font-size: 1rem;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Formulaire */
form {
    margin: 0;
}

/* Responsive design */
@media (max-width: 768px) {
    .login-card {
        max-width: 90%;
        min-width: 300px;
    }
}

@media (max-width: 480px) {
    .login-center {
        padding: var(--space-3);
    }
    
    .login-card {
        padding: var(--space-6) var(--space-5);
        max-width: 95%;
        min-width: 280px;
        border-radius: var(--radius-lg);
    }
    
    .login-card h2 {
        font-size: 1.5rem;
    }
    
    .login-icon {
        width: 60px;
        height: 60px;
        font-size: 2rem;
    }
    
    .login-card input[type="text"],
    .login-card input[type="password"] {
        padding: var(--space-3) var(--space-4);
        font-size: 0.875rem;
    }
    
    .login-card button {
        padding: var(--space-3) var(--space-4);
        font-size: 0.875rem;
    }
}

@media (max-width: 360px) {
    .login-card {
        min-width: 260px;
        padding: var(--space-5) var(--space-4);
    }
}

/* Animations d'entrée */
.login-card {
    animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Dark mode support (optionnel) */
@media (prefers-color-scheme: dark) {
    body {
        background: linear-gradient(135deg, #1e293b 0%, #334155 50%, #475569 100%);
    }
    
    body::before {
        background: 
            radial-gradient(circle at 20% 20%, rgba(192, 0, 85, 0.05) 0%, transparent 50%),
            radial-gradient(circle at 80% 80%, rgba(192, 0, 85, 0.03) 0%, transparent 50%);
    }
    
    .login-card {
        background: rgba(255, 255, 255, 0.95);
        border: 1px solid rgba(255, 255, 255, 0.1);
    }
}