:root {
    --primary-color: #0ea5e9;
    --primary-dark: #0284c7;
    --accent-color: #8b5cf6;
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-color: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --input-bg: #1e293b;
    --radius: 8px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    padding: 2rem 1rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

header {
    text-align: center;
    margin-bottom: 3rem;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.025em;
}

.accent {
    color: var(--primary-color);
}

header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.form-section {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.input-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.input-group {
    display: flex;
    flex-direction: column;
}

label {
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
}

input, select {
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 0.75rem 1rem;
    color: var(--text-color);
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
}

input:focus, select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(14, 165, 233, 0.2);
}

.options-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.radio-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.radio-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-color);
    cursor: pointer;
}

button {
    width: 100%;
    padding: 1rem;
    border-radius: var(--radius);
    border: none;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

#submit-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
}

#submit-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

#submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.hidden {
    display: none !important;
}

.section-divider {
    height: 1px;
    background: var(--border-color);
    margin: 3rem 0;
}

#results-section h2 {
    margin-bottom: 2rem;
    text-align: center;
}

.suggestions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.card {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.card .description {
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.card .benefits {
    font-size: 0.875rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    margin-top: auto;
}

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

.secondary-btn {
    width: auto;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    background-color: var(--border-color);
    color: var(--text-color);
}

.image-wrapper {
    width: 100%;
    aspect-ratio: 1 / 1;
    background-color: var(--card-bg);
    border-radius: var(--radius);
    overflow: hidden;
    position: relative;
    border: 1px solid var(--border-color);
}

.image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 1.5rem;
}

.text-btn {
    background: transparent;
    color: var(--primary-color);
    width: auto;
    font-size: 0.9rem;
    text-decoration: none;
    text-align: center;
}

.text-btn:hover {
    text-decoration: underline;
}

footer {
    margin-top: 5rem;
    text-align: center;
    color: var(--text-muted);
}

.cta-link {
    display: inline-block;
    margin-top: 0.5rem;
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
}

@media (max-width: 640px) {
    .options-grid {
        grid-template-columns: 1fr;
    }
    
    h1 {
        font-size: 2rem;
    }
}