/* Authentication Pages Styles */

/* Body and Background */
body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Auth Card */
.auth-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    animation: slideUp 0.6s ease-out;
}

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

/* Auth Header */
.auth-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.auth-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: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
    }
}

.auth-header h3 {
    position: relative;
    z-index: 1;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.auth-header p {
    position: relative;
    z-index: 1;
    opacity: 0.9;
    margin-bottom: 0;
}

/* Auth Body */
.auth-body {
    padding: 2rem;
}

/* Form Styles */
.form-label {
    font-weight: 600;
    color: #333;
    margin-bottom: 0.5rem;
}

.form-control {
    border-radius: 10px;
    border: 2px solid #e9ecef;
    padding: 12px 16px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background-color: #f8f9fa;
}

.form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
    background-color: white;
    transform: translateY(-1px);
}

.form-control.is-invalid {
    border-color: #dc3545;
    animation: shake 0.5s ease-in-out;
}

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

/* Button Styles */
.btn-auth {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    padding: 12px 24px;
    font-weight: 600;
    border-radius: 10px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-auth::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;
}

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

.btn-auth:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

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

/* Checkbox Styles */
.form-check-input {
    border-radius: 4px;
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
}

.form-check-input:checked {
    background-color: #667eea;
    border-color: #667eea;
}

.form-check-input:focus {
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

/* Link Styles */
a {
    color: #667eea;
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: #764ba2;
    text-decoration: underline;
}

/* Alert Styles */
.alert {
    border: none;
    border-radius: 10px;
    padding: 1rem;
    margin-bottom: 1.5rem;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border-left: 4px solid #dc3545;
}

.alert-success {
    background-color: #d1edff;
    color: #0c5460;
    border-left: 4px solid #0dcaf0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .auth-card {
        margin: 1rem;
        border-radius: 10px;
    }
    
    .auth-header {
        padding: 1.5rem;
    }
    
    .auth-body {
        padding: 1.5rem;
    }
    
    .form-control {
        padding: 10px 14px;
    }
}

@media (max-width: 576px) {
    .auth-header h3 {
        font-size: 1.5rem;
    }
    
    .auth-header p {
        font-size: 0.9rem;
    }
}

/* Loading States */
.btn-auth.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn-auth.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid transparent;
    border-top: 2px solid #ffffff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Form Validation */
.invalid-feedback {
    display: block;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: #dc3545;
    animation: fadeIn 0.3s ease-in;
}

.valid-feedback {
    display: block;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: #198754;
}

/* Custom Animations */
.pulse {
    animation: pulse 2s infinite;
}

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