/* =========================================
   HITC TRÉSORERIE - Styles Page Login
========================================= */

.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #39c0c3 0%, #2da4a7 100%);
    padding: 1rem;
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.login-box {
    background: white;
    border-radius: 1rem;
    box-shadow: 0 20px 25px -5px rgba(17, 24, 33, 0.1), 0 10px 10px -5px rgba(17, 24, 33, 0.04);
    overflow: hidden;
    width: 100%;
    max-width: 400px;
    position: relative;
    z-index: 1;
    animation: slideUp 0.6s ease-out;
}

.login-header {
    background: linear-gradient(135deg, #111821 0%, #2a3441 100%);
    color: white;
    padding: 2rem 1.5rem;
    text-align: center;
    position: relative;
}

.login-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #39c0c3, #5cd4d7);
}

.login-logo {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    background: #39c0c3;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
    font-weight: bold;
}

.login-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
}

.login-subtitle {
    font-size: 1rem;
    opacity: 0.9;
    margin: 0;
}

.login-body {
    padding: 2rem 1.5rem;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group-login {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label-login {
    font-size: 0.875rem;
    font-weight: 600;
    color: #111821;
}

.form-input-login {
    padding: 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: all 0.2s ease-in-out;
    background: white;
}

.form-input-login:focus {
    outline: none;
    border-color: #39c0c3;
    box-shadow: 0 0 0 3px rgba(57, 192, 195, 0.1);
}

.btn-login {
    background: linear-gradient(135deg, #39c0c3 0%, #2da4a7 100%);
    color: white;
    border: none;
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    position: relative;
    overflow: hidden;
}

.btn-login:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 15px -3px rgba(57, 192, 195, 0.3);
}

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

.btn-login:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.alert-login {
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    border-left: 4px solid;
    margin-bottom: 1rem;
}

.alert-error {
    background: #fef2f2;
    border-color: #dc3545;
    color: #991b1b;
}

.alert-success {
    background: #f0fdf4;
    border-color: #28a745;
    color: #166534;
}

.login-footer {
    padding: 1rem 1.5rem;
    background: #f1f1f1;
    text-align: center;
    font-size: 0.875rem;
    color: #6b7280;
}

.loading {
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    right: 1rem;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: translateY(-50%) rotate(0deg); }
    100% { transform: translateY(-50%) rotate(360deg); }
}

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

@media (max-width: 480px) {
    .login-container {
        padding: 0.5rem;
    }
    
    .login-header,
    .login-body {
        padding: 1.5rem 1rem;
    }
    
    .login-box {
        max-width: 100%;
    }
}

/* Effets de focus */
.form-group-login {
    transition: transform 0.2s ease-in-out;
}

.form-input-login:focus + .form-group-login,
.form-group-login:focus-within {
    transform: scale(1.02);
}

/* Animation d'apparition progressive */
.login-header {
    animation: fadeInDown 0.6s ease-out 0.2s both;
}

.login-body {
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

.login-footer {
    animation: fadeIn 0.6s ease-out 0.6s both;
}

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

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

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