:root {
    --color-cream: #F4EEE5;
    --color-green-dark: #1a5c3e;
    --color-green-light: #2d8659;
    --color-green-lighter: #40b973;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--color-cream);
    min-height: 100vh;
}

.signup-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 100vh;
    gap: 0;
}

/* Left Banner Section */
.signup-banner {
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 60px 40px;
}

.signup-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, 
        transparent 0%,
        transparent 30%,
        rgba(0, 0, 0, 0.3) 60%,
        rgba(0, 0, 0, 0.7) 100%
    );
    z-index: 1;
}

.banner-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.banner-content {
    position: relative;
    z-index: 10;
    text-align: left;
    color: white;
    max-width: 100%;
}

.banner-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.banner-logo-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.banner-logo-text {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: 1px;
}

.banner-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.2;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.banner-subtitle {
    font-size: 1.1rem;
    opacity: 0.95;
    line-height: 1.6;
    margin-bottom: 32px;
    max-width: 380px;
}

.banner-features {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.banner-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 10px 16px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.banner-feature i {
    font-size: 16px;
    color: #4ade80;
}

/* Right Form Section */
.signup-form-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    background-color: white;
    overflow-y: auto;
}

.signup-form-container {
    width: 100%;
    max-width: 420px;
}

.form-header {
    margin-bottom: 28px;
}

.form-header h1 {
    font-size: 32px;
    font-weight: bold;
    color: var(--color-green-dark);
    margin-bottom: 8px;
}

.form-header p {
    color: #666;
    font-size: 14px;
}

/* Progress Indicator */
.progress-indicator {
    display: flex;
    gap: 12px;
    margin-bottom: 32px;
}

.progress-step {
    flex: 1;
    height: 4px;
    background: #e0d5c7;
    border-radius: 2px;
    overflow: hidden;
}

.progress-step.active {
    background: var(--color-green-dark);
}

.step-labels {
    display: flex;
    gap: 12px;
    justify-content: space-between;
    margin-bottom: 28px;
    font-size: 12px;
    color: #999;
}

.step-label.active {
    color: var(--color-green-dark);
    font-weight: 600;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #1a1a1a;
    font-size: 14px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 14px;
    border: 2px solid #e0d5c7;
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--color-green-dark);
    outline: none;
    box-shadow: 0 0 0 3px rgba(26, 92, 62, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.form-row .form-group {
    margin-bottom: 18px;
}

.password-group {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 14px;
    top: 38px;
    cursor: pointer;
    color: #999;
    transition: color 0.3s;
    font-size: 20px;
}

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

.password-strength {
    margin-top: 8px;
    height: 4px;
    background: #e0d5c7;
    border-radius: 2px;
    overflow: hidden;
}

.password-strength-bar {
    height: 100%;
    width: 0%;
    background: #ef4444;
    transition: all 0.3s ease;
}

.password-strength-bar.weak {
    width: 33%;
    background: #f59e0b;
}

.password-strength-bar.medium {
    width: 66%;
    background: #eab308;
}

.password-strength-bar.strong {
    width: 100%;
    background: var(--color-green-light);
}

.password-requirements {
    background: #f5f5f5;
    border-radius: 8px;
    padding: 12px;
    margin-top: 12px;
    font-size: 13px;
    display: none;
}

.password-requirements.show {
    display: block;
}

.requirement {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    color: #999;
}

.requirement:last-child {
    margin-bottom: 0;
}

.requirement.met {
    color: var(--color-green-light);
}

.requirement i {
    font-size: 14px;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 14px;
    font-size: 13px;
}

.checkbox-group input {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    cursor: pointer;
    flex-shrink: 0;
}

.checkbox-group label {
    margin: 0;
    cursor: pointer;
    color: #666;
    line-height: 1.4;
}

.checkbox-group a {
    color: var(--color-green-dark);
    text-decoration: none;
    font-weight: 600;
}

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

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 28px;
}

.btn-prev,
.btn-next,
.btn-signup {
    flex: 1;
    padding: 12px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

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

.btn-prev:hover {
    background: rgba(26, 92, 62, 0.05);
}

.btn-next,
.btn-signup {
    background: var(--color-green-dark);
    color: white;
}

.btn-next:hover,
.btn-signup:hover {
    background: var(--color-green-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(26, 92, 62, 0.2);
}

.btn-next:active,
.btn-signup:active {
    transform: translateY(0);
}

.btn-next:disabled,
.btn-signup:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.step-content {
    display: none;
}

.step-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

.divider {
    display: flex;
    align-items: center;
    margin: 24px 0;
    color: #999;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: #e0d5c7;
}

.divider span {
    margin: 0 12px;
    font-size: 14px;
}

.social-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 20px;
}

.social-btn {
    padding: 10px;
    border: 2px solid #e0d5c7;
    background: white;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
    color: #1a1a1a;
    font-size: 14px;
}

.social-btn:hover {
    border-color: var(--color-green-dark);
    background: rgba(26, 92, 62, 0.05);
}

.login-link {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
    color: #666;
}

.login-link a {
    color: var(--color-green-dark);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.login-link a:hover {
    color: var(--color-green-light);
}

.error-message,
.success-message {
    font-size: 14px;
    margin-bottom: 16px;
    padding: 12px;
    border-radius: 4px;
    display: none;
    animation: slideDown 0.3s ease;
}

.error-message {
    color: #ef4444;
    background: #fee2e2;
    border-left: 4px solid #ef4444;
}

.success-message {
    color: #065f46;
    background: #d1fae5;
    border-left: 4px solid var(--color-green-light);
}

.error-message.show,
.success-message.show {
    display: block;
}

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

/* Mobile Responsive */
@media (max-width: 768px) {
    .signup-wrapper {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .signup-banner {
        display: none;
    }

    .signup-form-wrapper {
        min-height: 100vh;
        padding: 20px;
        align-items: flex-start;
        padding-top: 40px;
    }

    .signup-form-container {
        max-width: 100%;
    }

    .form-header h1 {
        font-size: 28px;
    }

    .banner-features {
        display: none;
    }

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

/* Messages/Alerts */
.messages {
    margin-bottom: 20px;
}

.alert {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
    animation: slideDown 0.3s ease;
}

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

.alert-info {
    background: #e0f2fe;
    color: #0369a1;
    border: 1px solid #bae6fd;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #6ee7b7;
}

.alert-warning {
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #fcd34d;
}

.alert-error, .alert-danger {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}