:root {
    --primary: #126e17;
    --secondary: #000000;
    --accent: #f5d36b;
    --bg-light: #f8f9fa;
    --text-dark: #333;
    --text-light: #666;
    --border: #e0e0e0;
    --success: #28a745;
    --warning: #ffc107;
    --danger: #dc3545;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #000000 0%, #0aa51f 50%, #ffe602 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    line-height: 1.6;
}

.login-wrapper {
    display: flex;
    width: 100%;
    max-width: 1000px;
    min-height: 600px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    overflow: hidden;
}

.login-sidebar {
    flex: 1;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 50px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.login-sidebar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" opacity="0.1"><circle cx="50" cy="50" r="2" fill="white"/></svg>');
}

.logo-container {
    text-align: center;
    margin-bottom: 40px;
}

.logo {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    margin-bottom: 20px;
    border: 3px solid rgba(255,255,255,0.2);
    padding: 10px;
    background: rgba(255,255,255,0.1);
}

.sidebar-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 10px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.sidebar-subtitle {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 30px;
}

.features-list {
    list-style: none;
    margin-top: 30px;
}

.features-list li {
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    gap: 12px;
}

.features-list li::before {
    content: '✓';
    background: var(--accent);
    color: var(--primary);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
}

.login-main {
    flex: 1;
    padding: 60px 50px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.login-header {
    text-align: center;
    margin-bottom: 40px;
}

.login-title {
    font-size: 32px;
    color: var(--primary);
    margin-bottom: 10px;
    font-weight: 700;
}

.login-subtitle {
    color: var(--text-light);
    font-size: 16px;
}

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

.form-label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 14px;
}

.form-input {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid var(--border);
    border-radius: 10px;
    font-size: 15px;
    transition: all 0.3s ease;
    background: var(--bg-light);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    background: white;
    box-shadow: 0 0 0 3px rgba(18, 110, 23, 0.1);
}

.password-container {
    position: relative;
}

.toggle-password {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    font-size: 18px;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    font-size: 14px;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 8px;
}

.forgot-password {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.forgot-password:hover {
    color: var(--secondary);
    text-decoration: underline;
}

.login-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 20px;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(18, 110, 23, 0.3);
}

.login-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.register-section {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.register-text {
    color: var(--text-light);
    margin-bottom: 15px;
}

.register-btn {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
    padding: 12px 30px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.register-btn:hover {
    background: var(--primary);
    color: white;
}

.error-message {
    background: #ffe6e6;
    color: var(--danger);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: none;
    border-left: 4px solid var(--danger);
}

.success-message {
    background: #e6ffe6;
    color: var(--success);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: none;
    border-left: 4px solid var(--success);
}

.security-badge {
    background: var(--bg-light);
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    margin-top: 30px;
    border: 1px solid var(--border);
}

.security-badge .icon {
    color: var(--success);
    font-size: 20px;
    margin-bottom: 8px;
}

.footer {
    margin-top: 40px;
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    color: var(--text-light);
    font-size: 12px;
}

.footer a {
    color: var(--primary);
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: white;
    margin: 10% auto;
    padding: 0;
    border-radius: 15px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from { transform: translateY(-50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-header {
    background: var(--primary);
    color: white;
    padding: 20px 30px;
    border-radius: 15px 15px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
    font-size: 20px;
}

.close-modal {
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.close-modal:hover {
    background: rgba(255,255,255,0.2);
}

.modal-body {
    padding: 30px;
}

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

@media (max-width: 768px) {
    .login-wrapper {
        flex-direction: column;
        min-height: auto;
    }
    
    .login-sidebar {
        padding: 30px 20px;
    }
    
    .login-main {
        padding: 40px 30px;
    }
    
    .form-options {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
}