:root {
    --primary: #000000;
    --primary-dark: #000000;
    --accent: #F79100;
    --accent-hover: #e08200;
    --accent-red: #FF4B4B;
    --accent-green: #4FCA5C;
    --bg: #fafafa;
    --card: #ffffff;
    --text: #1a1a1a;
    --text-light: #6b6b6b;
    --border: #e5e5e5;
    --border-light: #f0f0f0;
    --success: #4FCA5C;
    --radius: 8px;
    --shadow: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.1);
}

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

body {
    font-family: 'Archivo', 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

/* Header */
.header {
    background: var(--primary);
    color: white;
    padding: 1.25rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header h1 {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.header h1 .accent {
    color: var(--accent);
}

.header p {
    opacity: 0.5;
    font-size: 0.8rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* Container */
.container {
    max-width: 920px;
    margin: 2rem auto;
    padding: 0 1.5rem;
}

/* Form sections */
.form-section {
    background: var(--card);
    border-radius: var(--radius);
    padding: 2rem;
    margin-bottom: 1.25rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-light);
}

.form-section h2 {
    font-size: 0.85rem;
    color: var(--text);
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 700;
}

.form-section h2 .icon {
    color: var(--accent);
    font-size: 1.1rem;
}

/* Form grid */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

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

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

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.4rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.7rem 0.9rem;
    border: 1.5px solid var(--border);
    border-radius: 6px;
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
    background: #fff;
    color: var(--text);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(247,145,0,0.12);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

/* Amenities & Services */
.amenities-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}

.amenity-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.7rem;
    border: 1.5px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.85rem;
}

.amenity-check:hover {
    border-color: var(--accent);
    background: rgba(247,145,0,0.04);
}

.amenity-check input[type="checkbox"] {
    accent-color: var(--accent);
    width: 15px;
    height: 15px;
}

.section-subtitle {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.75rem;
    margin-top: 1.25rem;
}

.section-subtitle:first-of-type {
    margin-top: 0;
}

/* File upload */
.file-upload-area {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 1.75rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: #fafafa;
}

.file-upload-area:hover {
    border-color: var(--accent);
    background: rgba(247,145,0,0.03);
}

.file-upload-area .upload-icon {
    font-size: 2rem;
    margin-bottom: 0.4rem;
    opacity: 0.4;
}

.file-upload-area p {
    color: var(--text-light);
    font-size: 0.85rem;
}

.file-upload-area input[type="file"] {
    display: none;
}

.file-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}

.file-preview img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 6px;
    border: 2px solid var(--border);
}

/* Submit button */
.submit-btn {
    display: block;
    width: 100%;
    padding: 1rem 2rem;
    background: var(--accent);
    color: var(--primary);
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: var(--shadow);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.submit-btn:hover {
    background: var(--accent-hover);
    box-shadow: var(--shadow-lg);
    transform: translateY(-1px);
}

.submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Results page */
.result-card {
    background: var(--card);
    border-radius: var(--radius);
    padding: 2rem;
    margin-bottom: 1.25rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-light);
}

.result-card h2 {
    font-size: 0.85rem;
    color: var(--text);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 700;
}

.result-header {
    background: var(--primary);
    color: white;
    border: none;
}

.result-header h2 {
    color: white;
}

.result-text {
    background: #fafafa;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1.25rem;
    white-space: pre-wrap;
    font-size: 0.93rem;
    line-height: 1.7;
    color: var(--text);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: var(--primary);
    color: white;
}
.btn-primary:hover { background: #222; }

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

.btn-success {
    background: var(--success);
    color: var(--primary);
}
.btn-success:hover { background: #3fb84d; }

.btn-instagram {
    background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
    color: white;
}
.btn-instagram:hover { opacity: 0.9; }

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}
.btn-outline:hover {
    background: var(--primary);
    color: white;
}

.btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}

/* Instagram preview */
.instagram-preview {
    max-width: 420px;
    margin: 1rem auto;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.instagram-preview img {
    width: 100%;
    display: block;
}

/* Loading overlay */
.loading-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.7);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.loading-overlay.active {
    display: flex;
}

.loading-box {
    background: white;
    padding: 2.5rem;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.spinner {
    width: 44px;
    height: 44px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    margin: 0 auto 1rem;
}

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

/* Progress bar */
.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 1rem;
}

.progress-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 3px;
    width: 0%;
    animation: progress-anim 3s ease-in-out infinite;
}

@keyframes progress-anim {
    0% { width: 10%; }
    50% { width: 70%; }
    100% { width: 90%; }
}

/* Toast messages */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 1rem 1.5rem;
    border-radius: var(--radius);
    color: white;
    font-weight: 700;
    box-shadow: var(--shadow-lg);
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s;
    z-index: 2000;
    font-size: 0.9rem;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast.success { background: var(--primary); }
.toast.error { background: var(--accent-red); }

/* Price tag */
.price-tag {
    color: var(--accent);
    font-weight: 800;
}

/* Responsive */
@media (max-width: 768px) {
    .form-grid, .form-grid.three-cols {
        grid-template-columns: 1fr;
    }
    .amenities-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .container { padding: 0 1rem; }
    .form-section { padding: 1.25rem; }
    .header { flex-direction: column; align-items: flex-start; gap: 0.25rem; }
}

@media (max-width: 480px) {
    .amenities-grid {
        grid-template-columns: 1fr;
    }
}