:root {
    --primary-color: #2C5F2D;
    --secondary-color: #97BC62;
    --accent-color: #FC6E3D;
    --text-dark: #333333;
    --text-light: #666666;
    --bg-light: #F5F7FA;
    --white: #FFFFFF;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    --radius: 12px;
    --radius-sm: 8px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.auth-box {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 500px;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
}

.auth-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, var(--primary-color), var(--accent-color));
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    margin-bottom: 1.5rem;
}

.logo i {
    font-size: 2rem;
    color: var(--primary-color);
}

.logo span {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

.auth-header h2 {
    color: var(--text-dark);
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.auth-header p {
    color: var(--text-light);
    font-size: 1rem;
}

.auth-options {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.auth-option {
    flex: 1;
    padding: 1rem;
    border: 2px solid var(--bg-light);
    border-radius: var(--radius-sm);
    background: var(--white);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.auth-option i {
    font-size: 1.2rem;
    color: var(--text-light);
}

.auth-option span {
    font-weight: 500;
    color: var(--text-light);
}

.auth-option.active {
    border-color: var(--primary-color);
    background: var(--bg-light);
}

.auth-option.active i,
.auth-option.active span {
    color: var(--primary-color);
}

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

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.input-icon {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon i:first-child {
    position: absolute;
    left: 1rem;
    color: var(--text-light);
    transition: var(--transition);
}

.input-icon input,
.input-icon textarea {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    border: 2px solid var(--bg-light);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    transition: var(--transition);
}

.input-icon textarea {
    height: 100px;
    resize: none;
}

.input-icon input:focus,
.input-icon textarea:focus {
    border-color: var(--primary-color);
    outline: none;
}

.input-icon input:focus + i,
.input-icon textarea:focus + i {
    color: var(--primary-color);
}

.toggle-password {
    position: absolute;
    right: 1rem;
    cursor: pointer;
    color: var(--text-light);
    transition: var(--transition);
}

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

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.remember-me input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
}

.forgot-link {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.forgot-link:hover {
    text-decoration: underline;
}

.auth-button {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: var(--radius-sm);
    background: var(--primary-color);
    color: var(--white);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.auth-button:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
}

.auth-footer {
    text-align: center;
    margin-top: 2rem;
    color: var(--text-light);
}

.auth-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

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

.terms {
    margin: 1.5rem 0;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-light);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
    margin-top: 2px;
}

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

.checkbox-label a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media screen and (max-width: 768px) {
    .auth-box {
        padding: 2rem;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .auth-options {
        flex-direction: column;
    }

    .auth-option {
        padding: 0.8rem;
    }

    .form-options {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
}

@media screen and (max-width: 480px) {
    .auth-container {
        padding: 1rem;
    }

    .auth-box {
        padding: 1.5rem;
    }

    .auth-header h2 {
        font-size: 1.5rem;
    }

    .logo span {
        font-size: 1.5rem;
    }
}

/* Animation Classes */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-box {
    animation: fadeIn 0.5s ease-out;
}