:root {
    --primary: #003366;
    --primary-dark: #001f3f;
    --accent: #00a86b;
    --accent-blue: #0077b6;
    --bg-page: #f4f6f9;
    --bg-card: #ffffff;
    --text-main: #2d3748;
    --text-muted: #718096;
    --border-color: #e2e8f0;
    --danger: #e53e3e;
    --warning: #dd6b20;
    --success: #38a169;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -1px rgba(0,0,0,0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: Arial, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    background-color: var(--bg-page);
    color: var(--text-main);
    line-height: 1.5;
    padding-bottom: 60px;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: white;
    padding: 1.25rem 1rem;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.logo-badge {
    background: #00a86b;
    color: white;
    font-size: 0.75rem;
    font-weight: 800;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    text-transform: uppercase;
}

.brand-title {
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: 0.5px;
}

.brand-sub {
    font-size: 0.75rem;
    color: #90cdf4;
    display: block;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Container */
.container {
    max-width: 1100px;
    margin: 1.5rem auto;
    padding: 0 1rem;
}

/* Navigation Tabs */
.tabs-nav {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
    overflow-x: auto;
    padding-bottom: 4px;
}

.tab-btn {
    background: white;
    border: 1px solid var(--border-color);
    padding: 0.6rem 1.1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.tab-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

/* Tab Contents */
.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Cards & Surfaces */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1.25rem;
    margin-bottom: 1.25rem;
    box-shadow: var(--shadow-sm);
}

.card-title {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 0.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Form Styles */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

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

.form-label {
    font-size: 0.8rem;
    font-weight: 700;
    color: #4a5568;
    text-transform: uppercase;
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 0.65rem 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.95rem;
    color: var(--text-main);
    background: white;
    transition: border 0.15s ease;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(0, 119, 182, 0.15);
}

.form-help {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.65rem 1.2rem;
    font-size: 0.9rem;
    font-weight: 700;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    transition: background 0.15s ease, transform 0.05s ease;
    text-decoration: none;
}

.btn:active {
    transform: scale(0.98);
}

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

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

.btn-success {
    background: var(--accent);
    color: white;
}

.btn-success:hover {
    background: #008f5a;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-main);
}

.btn-outline:hover {
    background: #edf2f7;
}

.btn-sm {
    padding: 0.35rem 0.7rem;
    font-size: 0.8rem;
}

/* Parcels Grid */
.parcels-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.25rem;
}

.parcel-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.parcel-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.parcel-img-box {
    position: relative;
    width: 100%;
    height: 180px;
    background: #e2e8f0;
    overflow: hidden;
}

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

.parcel-badge-portal {
    position: absolute;
    top: 8px;
    left: 8px;
    background: rgba(0, 31, 63, 0.85);
    color: white;
    font-size: 0.7rem;
    font-weight: bold;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    backdrop-filter: blur(4px);
}

.parcel-body {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.parcel-price-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 0.4rem;
}

.parcel-price-uf {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--primary);
}

.parcel-price-clp {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
}

.parcel-title {
    font-size: 0.95rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.parcel-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    margin-bottom: 0.8rem;
}

.parcel-actions {
    margin-top: auto;
    display: flex;
    gap: 0.5rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
}

/* WhatsApp Banner */
.whatsapp-banner {
    background: #e6fffa;
    border: 1px solid #b2f5ea;
    border-radius: 8px;
    padding: 0.85rem 1rem;
    margin-bottom: 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.whatsapp-text {
    font-size: 0.85rem;
    color: #234e52;
}

.whatsapp-text strong {
    color: #007050;
}

/* Badges */
.badge {
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: bold;
    display: inline-block;
}
.badge-favorite { background: #fefcbf; color: #744210; }
.badge-new { background: #c6f6d5; color: #22543d; }
.badge-discarded { background: #fed7d7; color: #742a2a; }

/* Responsive Adjustments */
@media (max-width: 640px) {
    .header-container {
        flex-direction: column;
        align-items: flex-start;
    }
    .header-actions {
        width: 100%;
        justify-content: space-between;
    }
    .parcels-grid {
        grid-template-columns: 1fr;
    }
}