/* =========== Modern Login Page Styles ============ */
/* Version 1.0 - Amélioration de la page de connexion */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@300;400;500;600;700&display=swap');

/* Variables */
:root {
    --login-primary: #4f46e5;
    --login-primary-dark: #4338ca;
    --login-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --login-bg-gradient: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    --login-white: #ffffff;
    --login-gray-100: #f1f5f9;
    --login-gray-200: #e2e8f0;
    --login-gray-400: #94a3b8;
    --login-gray-600: #475569;
    --login-gray-800: #1e293b;
    --login-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --login-radius: 24px;
    --login-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--login-bg-gradient);
    opacity: 0.9;
    z-index: 0;
}

/* Animated Background */
.login-bg-shapes {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    z-index: 0;
}

.login-bg-shapes .shape {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.3) 0%, rgba(118, 75, 162, 0.3) 100%);
    animation: float 20s infinite ease-in-out;
}

.login-bg-shapes .shape:nth-child(1) {
    width: 400px;
    height: 400px;
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

.login-bg-shapes .shape:nth-child(2) {
    width: 300px;
    height: 300px;
    bottom: -50px;
    right: -50px;
    animation-delay: -5s;
}

.login-bg-shapes .shape:nth-child(3) {
    width: 200px;
    height: 200px;
    top: 50%;
    left: 50%;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        transform: translate(30px, -30px) rotate(90deg);
    }
    50% {
        transform: translate(0, 20px) rotate(180deg);
    }
    75% {
        transform: translate(-30px, -10px) rotate(270deg);
    }
}

/* Login Card */
.login-card {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
    background: var(--login-white);
    border-radius: var(--login-radius);
    box-shadow: var(--login-shadow);
    overflow: hidden;
    animation: slideUp 0.6s ease-out;
}

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

/* Card Header */
.login-card-header {
    background: var(--login-gradient);
    padding: 2.5rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.login-card-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: pulse-bg 4s infinite;
}

@keyframes pulse-bg {
    0%, 100% {
        transform: scale(1);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.login-logo {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid rgba(255, 255, 255, 0.3);
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
    transition: var(--login-transition);
    background: var(--login-white);
}

.login-logo:hover {
    transform: scale(1.1);
    border-color: var(--login-white);
}

.login-title {
    color: var(--login-white);
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
    position: relative;
    z-index: 1;
}

.login-subtitle {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    margin-top: 0.5rem;
    position: relative;
    z-index: 1;
}

/* Card Body */
.login-card-body {
    padding: 2rem;
}

/* Form Groups */
.login-form-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.login-form-group label {
    display: block;
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--login-gray-600);
    margin-bottom: 0.5rem;
}

.login-input-wrapper {
    position: relative;
}

.login-input-wrapper .input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--login-gray-400);
    font-size: 1.2rem;
    transition: var(--login-transition);
}

.login-input {
    width: 100%;
    height: 54px;
    padding: 0 1rem 0 3rem;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    color: var(--login-gray-800);
    background: var(--login-gray-100);
    border: 2px solid transparent;
    border-radius: 12px;
    outline: none;
    transition: var(--login-transition);
}

.login-input:focus {
    background: var(--login-white);
    border-color: var(--login-primary);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

.login-input:focus + .input-icon,
.login-input:focus ~ .input-icon {
    color: var(--login-primary);
}

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

/* Password Toggle */
.password-toggle {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--login-gray-400);
    cursor: pointer;
    padding: 0.25rem;
    transition: var(--login-transition);
}

.password-toggle:hover {
    color: var(--login-primary);
}

/* Submit Button */
.login-btn {
    width: 100%;
    height: 54px;
    background: var(--login-gradient);
    color: var(--login-white);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: var(--login-transition);
}

.login-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 ease;
}

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

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(79, 70, 229, 0.3);
}

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

.login-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.login-btn .spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: var(--login-white);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-right: 0.5rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Alert */
.login-alert {
    padding: 1rem;
    border-radius: 10px;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-5px); }
    40%, 80% { transform: translateX(5px); }
}

.login-alert-danger {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.login-alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.login-alert ion-icon,
.login-alert i {
    font-size: 1.2rem;
}

/* Footer */
.login-footer {
    text-align: center;
    padding: 1.5rem 2rem;
    background: var(--login-gray-100);
    border-top: 1px solid var(--login-gray-200);
}

.login-footer p {
    color: var(--login-gray-600);
    font-size: 0.85rem;
    margin: 0;
}

/* Responsive */
@media (max-width: 480px) {
    .login-page {
        padding: 1rem;
    }
    
    .login-card {
        border-radius: 20px;
    }
    
    .login-card-header {
        padding: 2rem 1.5rem;
    }
    
    .login-card-body {
        padding: 1.5rem;
    }
    
    .login-logo {
        width: 80px;
        height: 80px;
    }
    
    .login-title {
        font-size: 1.25rem;
    }
}

/* Floating Label Style Alternative */
.floating-label-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.floating-label-group input {
    width: 100%;
    height: 54px;
    padding: 1.5rem 1rem 0.5rem;
    font-size: 1rem;
    background: var(--login-gray-100);
    border: 2px solid transparent;
    border-radius: 12px;
    outline: none;
    transition: var(--login-transition);
}

.floating-label-group label {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--login-gray-400);
    font-size: 1rem;
    pointer-events: none;
    transition: var(--login-transition);
}

.floating-label-group input:focus,
.floating-label-group input:not(:placeholder-shown) {
    padding-top: 1.5rem;
    background: var(--login-white);
    border-color: var(--login-primary);
}

.floating-label-group input:focus + label,
.floating-label-group input:not(:placeholder-shown) + label {
    top: 0.75rem;
    transform: translateY(0);
    font-size: 0.75rem;
    color: var(--login-primary);
}

/* Accessibility */
.login-input:focus-visible,
.login-btn:focus-visible {
    outline: 2px solid var(--login-primary);
    outline-offset: 2px;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .login-card {
        background: #1e293b;
    }
    
    .login-card-body {
        background: #1e293b;
    }
    
    .login-input {
        background: #0f172a;
        color: var(--login-white);
    }
    
    .login-form-group label {
        color: var(--login-gray-200);
    }
    
    .login-footer {
        background: #0f172a;
        border-color: #334155;
    }
    
    .login-footer p {
        color: var(--login-gray-400);
    }
}