/* Authentication Pages Styles */

.auth-page {
    min-height: 100vh;
    position: relative;
    overflow: hidden;
}

.auth-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 30%, #f093fb 60%, #4facfe 100%);
    background-size: 400% 400%;
    animation: gradientShift 20s ease infinite;
    z-index: 0;
    overflow: hidden;
}

.auth-background::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 40% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 60% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 40%);
    animation: particles 25s ease-in-out infinite;
}

.auth-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
    background-size: 200px 200px;
    animation: patternMove 30s linear infinite;
    opacity: 0.3;
}

/* Floating Shapes */
.auth-background .shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    animation: shapeFloat 20s ease-in-out infinite;
}

.auth-background .shape-1 {
    width: 400px;
    height: 400px;
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.auth-background .shape-2 {
    width: 300px;
    height: 300px;
    bottom: -150px;
    left: -150px;
    animation-delay: 5s;
}

.auth-background .shape-3 {
    width: 250px;
    height: 250px;
    top: 50%;
    left: 10%;
    animation-delay: 10s;
}

.auth-background .shape-4 {
    width: 200px;
    height: 200px;
    top: 20%;
    right: 20%;
    animation-delay: 15s;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes particles {
    0%, 100% { 
        transform: translate(0, 0) scale(1) rotate(0deg); 
        opacity: 0.8;
    }
    25% { 
        transform: translate(50px, -50px) scale(1.2) rotate(90deg); 
        opacity: 1;
    }
    50% { 
        transform: translate(-30px, 30px) scale(0.9) rotate(180deg); 
        opacity: 0.7;
    }
    75% { 
        transform: translate(30px, 50px) scale(1.1) rotate(270deg); 
        opacity: 0.9;
    }
}

@keyframes patternMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(200px, 200px); }
}

@keyframes shapeFloat {
    0%, 100% {
        transform: translate(0, 0) scale(1) rotate(0deg);
        opacity: 0.3;
    }
    25% {
        transform: translate(100px, -100px) scale(1.2) rotate(90deg);
        opacity: 0.5;
    }
    50% {
        transform: translate(-80px, 80px) scale(0.8) rotate(180deg);
        opacity: 0.4;
    }
    75% {
        transform: translate(60px, 100px) scale(1.1) rotate(270deg);
        opacity: 0.6;
    }
}

.auth-container {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 20px 0;
}

.auth-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(30px);
    border-radius: 25px;
    padding: 3rem;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.5) inset,
        0 0 100px rgba(102, 126, 234, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.4);
    animation: cardSlideIn 0.6s ease-out;
    position: relative;
    overflow: hidden;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: rotate(45deg);
    animation: cardShine 3s infinite;
}

@keyframes cardShine {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

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

.auth-card-header {
    margin-bottom: 2rem;
}

.auth-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
    animation: iconPulse 2s ease-in-out infinite;
}

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

.auth-title {
    font-size: 2rem;
    font-weight: 700;
    color: #212529;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-subtitle {
    color: #6c757d;
    font-size: 1rem;
    margin: 0;
}

.auth-form {
    margin-top: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    font-weight: 600;
    color: #495057;
    margin-bottom: 0.5rem;
    display: block;
    font-size: 0.95rem;
}

.form-label i {
    color: #667eea;
}

.input-wrapper {
    position: relative;
}

.input-wrapper .form-control {
    border: 2px solid #e9ecef;
    border-radius: 12px;
    padding: 12px 50px 12px 15px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #fff;
}

.input-wrapper .form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.15);
    outline: none;
}

.password-toggle {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #6c757d;
    cursor: pointer;
    padding: 5px;
    transition: color 0.3s ease;
    z-index: 10;
}

.password-toggle:hover {
    color: #667eea;
}

.btn-auth-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    color: white;
    font-weight: 600;
    border-radius: 12px;
    padding: 14px 30px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-auth-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

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

.btn-auth-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
    color: white;
}

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

.auth-divider {
    text-align: center;
    margin: 2rem 0;
    position: relative;
}

.auth-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: #e9ecef;
}

.auth-divider span {
    position: relative;
    background: rgba(255, 255, 255, 0.95);
    padding: 0 1rem;
    color: #6c757d;
    font-size: 0.9rem;
}

.auth-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.auth-link:hover {
    color: #764ba2;
    text-decoration: underline;
}

.auth-link-back {
    color: #6c757d;
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    display: inline-block;
}

.auth-link-back:hover {
    color: #667eea;
    transform: translateX(-5px);
}

.auth-link-forgot {
    color: #667eea;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.auth-link-forgot:hover {
    color: #764ba2;
    text-decoration: underline;
}

.alert {
    border-radius: 12px;
    border: none;
    animation: fadeIn 0.5s ease;
}

/* Responsive */
@media (max-width: 768px) {
    .auth-card {
        padding: 2rem 1.5rem;
        margin: 20px;
    }
    
    .auth-title {
        font-size: 1.75rem;
    }
    
    .auth-icon {
        width: 70px;
        height: 70px;
        font-size: 2rem;
    }
}