/* Color Scheme: Orange (#FF8C00), Black (#1a1a1a), White (#FFFFFF) */

:root {
    --primary-orange: #FF8C00;
    --dark-orange: #E67E00;
    --light-orange: #FFB347;
    --dark-bg: #1a1a1a;
    --darker-bg: #0f0f0f;
    --white: #FFFFFF;
    --light-gray: #f5f5f5;
    --gray: #888888;
    --dark-gray: #333333;
    --border-color: #e0e0e0;
    --transition: all 0.3s ease;
    --success: #4CAF50;
    --error: #FF6B6B;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--darker-bg) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* ===== AUTH CONTAINER ===== */
.auth-container {
    background: var(--white);
    border-radius: 15px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    display: grid;
    grid-template-columns: 1fr 1fr;
    overflow: hidden;
    max-width: 900px;
    width: 100%;
    position: relative;
    animation: slideUp 0.6s ease-out;
}

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

.back-link {
    position: absolute;
    top: 20px;
    left: 20px;
    color: var(--primary-orange);
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 10;
    transition: var(--transition);
}

.back-link:hover {
    gap: 15px;
}

.back-link i {
    font-size: 1.2rem;
}

/* ===== AUTH FORMS ===== */
.auth-form {
    padding: 60px 40px;
    display: none;
    animation: fadeIn 0.5s ease-out;
}

.auth-form.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.form-header {
    margin-bottom: 30px;
    text-align: center;
}

.form-header h2 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.8rem;
    color: var(--dark-bg);
    margin-bottom: 10px;
}

.form-header p {
    color: var(--gray);
    font-size: 0.95rem;
}

/* ===== FORM GROUPS ===== */
.form-group {
    margin-bottom: 20px;
    position: relative;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--dark-bg);
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.form-group input {
    width: 100%;
    padding: 12px 15px 12px 40px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    transition: var(--transition);
    background-color: var(--white);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-orange);
    box-shadow: 0 0 0 3px rgba(255, 140, 0, 0.1);
}

.form-group input::placeholder {
    color: #ccc;
}

.form-group i {
    position: absolute;
    left: 15px;
    top: 40px;
    color: var(--primary-orange);
    font-size: 1rem;
}

.toggle-password {
    position: absolute;
    right: 15px;
    top: 40px;
    cursor: pointer;
    color: var(--gray);
    transition: var(--transition);
}

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

/* ===== FORM OPTIONS ===== */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 20px 0;
    font-size: 0.9rem;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    color: var(--gray);
}

.remember-me input {
    width: auto;
    cursor: pointer;
    accent-color: var(--primary-orange);
}

.forgot-password {
    color: var(--primary-orange);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.forgot-password:hover {
    color: var(--dark-orange);
}

/* ===== TERMS CHECKBOX ===== */
.terms-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 20px 0;
    font-size: 0.85rem;
    color: var(--gray);
    cursor: pointer;
}

.terms-checkbox input {
    width: auto;
    cursor: pointer;
    accent-color: var(--primary-orange);
}

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

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

/* ===== BUTTONS ===== */
.btn {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
}

.btn-primary {
    background-color: var(--primary-orange);
    color: var(--white);
    margin-bottom: 15px;
}

.btn-primary:hover {
    background-color: var(--dark-orange);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 140, 0, 0.3);
}

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

.btn-secondary {
    background-color: transparent;
    color: var(--dark-bg);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--primary-orange);
    color: var(--primary-orange);
}

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

/* ===== DIVIDER ===== */
.divider {
    text-align: center;
    margin: 25px 0;
    color: var(--gray);
    font-size: 0.9rem;
    position: relative;
}

.divider::before,
.divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 45%;
    height: 1px;
    background-color: var(--border-color);
}

.divider::before {
    left: 0;
}

.divider::after {
    right: 0;
}

/* ===== FORM FOOTER ===== */
.form-footer {
    text-align: center;
    margin-top: 25px;
    color: var(--gray);
    font-size: 0.95rem;
}

.form-footer p {
    margin: 0;
}

.switch-link {
    color: var(--primary-orange);
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.switch-link:hover {
    color: var(--dark-orange);
}

/* ===== AUTH BENEFITS ===== */
.auth-benefits {
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--dark-orange) 100%);
    color: var(--white);
    padding: 60px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.auth-benefits h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.8rem;
    margin-bottom: 40px;
    font-weight: 700;
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.benefit-item i {
    font-size: 1.5rem;
    color: var(--white);
    margin-top: 5px;
    flex-shrink: 0;
}

.benefit-item p {
    font-size: 1rem;
    line-height: 1.5;
    margin: 0;
}

/* ===== MODAL ===== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.show {
    display: flex;
    animation: fadeIn 0.3s ease-out;
}

.modal-content {
    background: var(--white);
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    max-width: 400px;
    width: 100%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.3s ease-out;
}

.modal-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.modal-icon.success {
    color: var(--success);
}

.modal-icon.error {
    color: var(--error);
}

.modal-content h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    color: var(--dark-bg);
    margin-bottom: 10px;
}

.modal-content p {
    color: var(--gray);
    margin-bottom: 25px;
    font-size: 0.95rem;
}

.modal-content .btn {
    font-size: 0.95rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .auth-container {
        grid-template-columns: 1fr;
    }

    .auth-form {
        padding: 40px 25px;
    }

    .auth-benefits {
        padding: 40px 25px;
        border-radius: 0 0 15px 15px;
    }

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

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

    .auth-benefits h3 {
        font-size: 1.5rem;
    }

    .benefits-list {
        gap: 15px;
    }

    .benefit-item p {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .auth-container {
        border-radius: 10px;
    }

    .auth-form {
        padding: 30px 20px;
    }

    .auth-benefits {
        padding: 30px 20px;
    }

    .form-header h2 {
        font-size: 1.3rem;
    }

    .form-header p {
        font-size: 0.85rem;
    }

    .form-group input {
        padding: 10px 12px 10px 35px;
        font-size: 0.95rem;
    }

    .form-group i {
        left: 12px;
        font-size: 0.9rem;
    }

    .toggle-password {
        right: 12px;
        font-size: 0.9rem;
    }

    .btn {
        padding: 10px;
        font-size: 0.95rem;
    }

    .auth-benefits h3 {
        font-size: 1.3rem;
        margin-bottom: 25px;
    }
}