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

:root {
    --primary-color: #84cc16;
    --primary-dark: #65a30d;
    --primary-light: #a3e635;
    --secondary-color: #1a1a1a;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --dark-bg: #0a0a0a;
    --card-bg: #1e1e1e;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --border-color: #2a2a2a;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
}

.login-box {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    display: grid;
    grid-template-columns: 1fr 1fr;
    overflow: hidden;
    min-height: 600px;
    animation: slideUp 0.6s ease;
}

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

/* Left Panel */
.login-left {
    background: linear-gradient(135deg, #1a202c 0%, #2d3748 30%, #84cc16 100%);
    padding: 40px 40px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    color: white;
    position: relative;
    overflow: hidden;
}

.login-left::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: rgba(132, 204, 22, 0.2);
    border-radius: 50%;
    top: -100px;
    right: -100px;
}

.logo-section {
    z-index: 1;
}

.logo-icon {
    font-size: 60px;
    margin-bottom: 20px;
    display: block;
    animation: float 3s ease-in-out infinite;
}

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

.login-left h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 10px;
}

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

.illustration {
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin-top: 40px;
    z-index: 1;
}

.illustration i {
    font-size: 50px;
    opacity: 0.7;
    animation: pulse 2s ease-in-out infinite;
}

.illustration i:nth-child(2) {
    animation-delay: 0.3s;
}

.illustration i:nth-child(3) {
    animation-delay: 0.6s;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.7; }
    50% { transform: scale(1.1); opacity: 1; }
}

/* Right Panel */
.login-right 
{
    padding: 40px 50px;
    display: flex;
    align-items: center;
    background: #f8fafc;
}

.login-form-container {
    width: 100%;
}

.company-logo {
    text-align: center;
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 2px solid #e2e8f0;
}

.natural-logo {
    max-width: 200px;
    width: 100%;
    height: auto;
    animation: fadeInLogo 0.8s ease;
}

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

.login-right h2 {
    font-size: 32px;
    color: #1e293b;
    margin-bottom: 10px;
    font-weight: 700;
}

.subtitle {
    color: #64748b;
    margin-bottom: 30px;
    font-size: 15px;
}

.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    animation: slideDown 0.3s ease;
}

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

.alert.error {
    background: #fee2e2;
    color: #dc2626;
    border-left: 4px solid #dc2626;
}

.alert.success {
    background: #d1fae5;
    color: #059669;
    border-left: 4px solid #059669;
}

.input-group {
    position: relative;
    margin-bottom: 20px;
}

.input-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
    font-size: 16px;
}

.input-group input {
    width: 100%;
    padding: 14px 16px 14px 45px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 15px;
    transition: all 0.3s ease;
    background: white;
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(132, 204, 22, 0.1);
}

.toggle-password {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: #94a3b8;
    font-size: 16px;
    transition: color 0.3s ease;
}

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

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

.checkbox-container {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 14px;
    color: #475569;
    position: relative;
    padding-left: 28px;
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.checkmark {
    position: absolute;
    left: 0;
    height: 20px;
    width: 20px;
    background-color: white;
    border: 2px solid #e2e8f0;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.checkbox-container:hover .checkmark {
    border-color: var(--primary-color);
}

.checkbox-container input:checked ~ .checkmark {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

.forgot-link {
    color: #475569;
    text-decoration: none;
    font-size: 14px;
    font-weight: 400;
    transition: color 0.3s ease;
}

.forgot-link:hover {
    color: var(--primary-color);
}

.btn-login {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #65a30d 0%, #4d7c0f 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 ease;
    box-shadow: 0 4px 15px rgba(101, 163, 13, 0.3);
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(101, 163, 13, 0.5);
}

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

.btn-icon {
    transition: transform 0.3s ease;
}

.btn-login:hover .btn-icon {
    transform: translateX(5px);
}

.divider {
    text-align: center;
    margin: 30px 0;
    position: relative;
}

.divider::before,
.divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40%;
    height: 1px;
    background: #e2e8f0;
}

.divider::before {
    left: 0;
}

.divider::after {
    right: 0;
}

.divider span {
    background: #f8fafc;
    padding: 0 15px;
    color: #94a3b8;
    font-size: 13px;
}

.social-login {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.social-btn {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    border: 2px solid #e2e8f0;
    background: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    transition: all 0.3s ease;
}

.social-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.social-btn.google {
    color: #ea4335;
}

.social-btn.microsoft {
    color: #00a4ef;
}

.social-btn.apple {
    color: #000000;
}

.social-btn.google:hover {
    border-color: #ea4335;
    background: #fef2f2;
}

.social-btn.microsoft:hover {
    border-color: #00a4ef;
    background: #eff6ff;
}

.social-btn.apple:hover {
    border-color: #000000;
    background: #f9fafb;
}

/* Responsive */
@media (max-width: 968px) {
    .login-box {
        grid-template-columns: 1fr;
    }
    
    .login-left {
        display: none;
    }
    
    .login-right {
        padding: 40px 30px;
    }
}

@media (max-width: 480px) {
    .login-right {
        padding: 30px 20px;
    }
    
    .login-right h2 {
        font-size: 26px;
    }
    
    .remember-forgot {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
}