:root {
    /* Color Palette - Premium & Modern */
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-soft: #dbeafe;
    --bg-dark: #0f172a;
    --sidebar-bg: #ffffff;
    --main-bg: #f8fafc;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --white: #ffffff;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --radius: 12px;
}

[data-theme="dark"] {
    --sidebar-bg: #1e293b;
    --main-bg: #0f172a;
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --white: #1e293b;
    --primary-soft: rgba(37, 99, 235, 0.1);
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-main);
    background-color: var(--main-bg);
    overflow: hidden;
    transition: background-color 0.3s, color 0.3s;
}

/* --- App Layout --- */
.app-container {
    display: flex;
    height: 100vh;
}

/* --- Sidebar --- */
.sidebar {
    width: 300px;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 2rem 1.5rem;
    z-index: 100;
}

.sidebar-header {
    margin-bottom: 2.5rem;
}

.sidebar-header .logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--primary-soft);
    border-radius: var(--radius);
    margin-bottom: 2.5rem;
    border: 1px solid var(--border-color);
}

.user-profile .avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary);
}

.user-info {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.user-name {
    font-weight: 600;
    font-size: 0.95rem;
    max-width: 140px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* --- Navigation & Filters --- */
.sidebar-nav label {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 1rem;
    letter-spacing: 0.1em;
}

.filter-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--white);
    padding: 0.875rem;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    margin-bottom: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.filter-item:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-soft);
}

.filter-item i {
    width: 18px;
    color: var(--text-muted);
}

.filter-item input, .filter-item select {
    border: none;
    background: transparent;
    width: 100%;
    font-size: 0.95rem;
    color: var(--text-main);
    outline: none;
}

/* --- Main Content --- */
.main-content {
    flex: 1;
    overflow-y: auto;
    padding: 2.5rem;
}

.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
}

.main-header h1 {
    font-size: 1.875rem;
    font-weight: 800;
    letter-spacing: -0.025em;
}

/* --- Results --- */
.results-card {
    background: var(--white);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(4px);
}

.card-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    text-align: left;
    padding: 1rem 1.5rem;
    background: var(--main-bg);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-color);
}

tr {
    transition: background-color 0.2s;
    cursor: pointer;
}

tr:hover {
    background-color: var(--main-bg);
}

td {
    padding: 1.25rem 1.5rem;
    font-size: 0.95rem;
    border-bottom: 1px solid var(--border-color);
}

/* --- Tags & Badges --- */
.type-tag {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.tag-sa { background: #fee2e2; color: #991b1b; }
.tag-srl { background: #dcfce7; color: #166534; }
.tag-sas { background: #fef9c3; color: #854d0e; }

.status-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: #dcfce7;
    color: #166534;
    padding: 0.375rem 1rem;
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 600;
}

.status-badge .dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

/* --- Animations --- */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); background-color: var(--primary-soft); }
    to { opacity: 1; transform: translateY(0); background-color: transparent; }
}

.new-item {
    animation: fadeIn 0.8s ease-out forwards;
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

/* --- Modal --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 4000;
    padding: 1rem;
}

.modal-content {
    background: var(--white);
    width: 100%;
    max-width: 800px;
    max-height: 90vh;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: modalSlideUp 0.3s ease-out;
}

@keyframes modalSlideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-header {
    padding: 2rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.modal-header-info h2 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.modal-header-info .meta {
    display: flex;
    gap: 1rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.close-modal {
    background: var(--main-bg);
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.2s;
}

.close-modal:hover {
    background: #fee2e2;
    color: #ef4444;
}

.modal-body {
    padding: 2rem;
    overflow-y: auto;
}

.detail-section {
    margin-bottom: 2rem;
}

.detail-section h3 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

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

.detail-item label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.detail-item span {
    font-weight: 600;
    font-size: 1rem;
}

.objeto-social {
    line-height: 1.6;
    font-size: 1rem;
    color: var(--text-main);
    background: var(--main-bg);
    padding: 1.5rem;
    border-radius: var(--radius);
}

.modal-footer {
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    background: var(--main-bg);
}

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    background: var(--main-bg);
}

/* --- Utilities --- */
.icon-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    transition: all 0.2s;
}

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

/* --- Responsive --- */
@media (max-width: 1024px) {
    .sidebar { width: 260px; }
}

@media (max-width: 768px) {
    .app-container { flex-direction: column; }
    .sidebar { width: 100%; height: auto; border-right: none; border-bottom: 1px solid var(--border-color); padding: 1.5rem; }
    .main-content { height: auto; padding: 1.5rem; }
}