* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #f5f7fa;
    height: 100vh;
    overflow: hidden;
}

.auth-container {
    display: flex;
    height: 100vh;
}

/* Left Panel */
.auth-left {
    flex: 1;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 60px;
    color: white;
    overflow: hidden;
}

.auth-left::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: moveGrid 20s linear infinite;
}

@keyframes moveGrid {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.brand {
    position: relative;
    z-index: 1;
    margin-bottom: 60px;
}

.logo {
    margin-bottom: 20px;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.brand h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -1px;
}

.tagline {
    font-size: 18px;
    opacity: 0.9;
    font-weight: 300;
}

.features {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.feature {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    background: rgba(255, 255, 255, 0.1);
    padding: 25px;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: slideInLeft 0.6s ease-out forwards;
    opacity: 0;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.feature-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.feature h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 5px;
}

.feature p {
    font-size: 14px;
    opacity: 0.9;
    font-weight: 300;
    line-height: 1.5;
}

/* Right Panel */
.auth-right {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    background: white;
}

.auth-form-container {
    width: 100%;
    max-width: 450px;
    animation: fadeInUp 0.6s ease-out;
}

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

.auth-form-container h2 {
    font-size: 32px;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 8px;
}

.subtitle {
    font-size: 16px;
    color: #718096;
    margin-bottom: 40px;
}

.error-message {
    background: #fee;
    border-left: 4px solid #f56565;
    color: #c53030;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    animation: shake 0.5s;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

.auth-form {
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 8px;
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 15px;
    transition: all 0.3s;
    font-family: inherit;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
    color: #4a5568;
}

.checkbox input {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.forgot-password {
    font-size: 14px;
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.forgot-password:hover {
    color: #764ba2;
}

.btn-primary {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

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

.demo-credentials {
    background: #f7fafc;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 15px;
    margin-bottom: 20px;
    font-size: 13px;
    text-align: center;
    color: #4a5568;
}

.demo-credentials strong {
    color: #2d3748;
}

.demo-credentials code {
    background: #edf2f7;
    padding: 3px 8px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    color: #667eea;
    font-weight: 600;
}

.back-to-site {
    text-align: center;
}

.back-to-site a {
    color: #718096;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.back-to-site a:hover {
    color: #667eea;
}

/* Responsive */
@media (max-width: 968px) {
    .auth-left {
        display: none;
    }

    .auth-right {
        flex: 1;
    }
}

@media (max-width: 480px) {
    .auth-right {
        padding: 20px;
    }

    .auth-form-container h2 {
        font-size: 26px;
    }
}