:root {
    --bg-dark: #0f111a;
    --bg-card: #1e2130;
    --bg-card-hover: #262a3d;
    --text-primary: #f8f9fa;
    --text-secondary: #adb5bd;
    --accent-blue: #3b82f6;
    --accent-purple: #8b5cf6;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --border-color: rgba(255, 255, 255, 0.08);
    --glass-bg: rgba(30, 33, 48, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    overflow: hidden;
}

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

.sidebar {
    width: 260px;
    background-color: var(--bg-card);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    z-index: 10;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    margin-bottom: 2.5rem;
    color: var(--text-primary);
    width: 100%;
    min-width: 0;
    overflow: hidden;
}

.logo i {
    color: var(--accent-blue);
    font-size: 1.75rem;
    flex-shrink: 0;
    line-height: 1;
}

.logo h2 {
    font-size: 1.35rem;
    font-weight: 700;
    white-space: nowrap;
    letter-spacing: -0.4px;
    line-height: 1;
    overflow: hidden;
    text-overflow: ellipsis;
}

.logo span {
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 12px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-link i {
    font-size: 1.25rem;
}

.nav-link:hover {
    background-color: var(--bg-card-hover);
    color: var(--text-primary);
    transform: translateX(5px);
}

.nav-link.active {
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-purple) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    position: relative;
}

.main-content::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(59,130,246,0.1) 0%, rgba(15,17,26,0) 70%);
    pointer-events: none;
    z-index: 0;
}

/* Header */
.top-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 3rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 10;
}

.month-selector {
    display: flex;
    align-items: center;
    gap: 1rem;
    background-color: var(--bg-card);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

.month-selector button {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.5rem;
    transition: color 0.2s;
}

.month-selector button:hover {
    color: var(--accent-blue);
}

.month-selector h3 {
    font-weight: 600;
    min-width: 120px;
    text-align: center;
}

.avatar {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    box-shadow: 0 4px 10px rgba(139, 92, 246, 0.3);
}

/* Views */
.views-container {
    padding: 2rem 3rem;
    flex: 1;
    z-index: 1;
}

.view {
    display: none;
    animation: fadeIn 0.4s ease-out forwards;
}

.view.active {
    display: block;
}

.view-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    background: linear-gradient(to right, #fff, #adb5bd);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

/* Cards */
.card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

/* Dashboard Summary Cards */
.summary-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    margin-bottom: 2rem;
}

@media (max-width: 1200px) {
    .summary-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .summary-cards {
        grid-template-columns: 1fr;
    }
}

.summary-card {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.35rem 1.5rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.summary-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.card-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.income .card-icon { background: rgba(16, 185, 129, 0.12); color: #10b981; }
.expense .card-icon { background: rgba(239, 68, 68, 0.12); color: #ef4444; }
.investment .card-icon { background: rgba(139, 92, 246, 0.12); color: #8b5cf6; }
.balance .card-icon { background: rgba(59, 130, 246, 0.12); color: #3b82f6; }

.card-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.card-info p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
}

.card-info h3 {
    font-size: 1.55rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.3px;
}

/* Charts */
.charts-row {
    display: grid;
    grid-template-columns: 1.55fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

@media (max-width: 1050px) {
    .charts-row {
        grid-template-columns: 1fr;
    }
}

.chart-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
}

.chart-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
}

/* Insertions View */
.insertions-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.btn-import-pdf {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(18, 23, 39, 0.8);
    color: #60a5fa;
    border: 1px solid rgba(59, 130, 246, 0.4);
    border-radius: 10px;
    padding: 0.65rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-import-pdf:hover {
    background: rgba(59, 130, 246, 0.15);
    border-color: var(--accent-blue);
    color: #93c5fd;
    transform: translateY(-1px);
}

.btn-import-pdf i {
    font-size: 1.15rem;
}

.insertion-layout {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 1.5rem;
    align-items: start;
}

@media (max-width: 992px) {
    .insertion-layout {
        grid-template-columns: 1fr;
    }
}

.form-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
}

.list-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    min-height: 480px;
}

.list-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.85rem;
}

input, select {
    width: 100%;
    padding: 0.8rem 1rem;
    background-color: #121522;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: 'Inter', sans-serif;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23adb5bd' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1em;
    padding-right: 2.5rem;
    cursor: pointer;
}

input:focus, select:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.btn-primary {
    width: 100%;
    padding: 0.9rem 1rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.2s;
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
}

/* Tables */
.table-responsive {
    overflow-x: auto;
}

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

.entries-table th {
    text-align: left;
    padding: 0.85rem 1rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    border-bottom: 1px solid var(--border-color);
}

.entries-table td {
    padding: 0.85rem 1rem;
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.entries-table tr:hover td {
    background-color: rgba(255, 255, 255, 0.02);
}

.val-positive { color: var(--success); font-weight: 600; }
.val-negative { color: var(--danger); font-weight: 600; }
.val-invest { color: var(--accent-purple); font-weight: 600; }

.btn-delete {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: none;
    padding: 0.5rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-delete:hover {
    background: var(--danger);
    color: white;
}

/* Categories Manager Styling */
.categories-header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.view-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-top: 0.25rem;
}

.cat-type-tabs {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    overflow-x: auto;
    padding-bottom: 0.25rem;
}

.cat-tab-btn {
    padding: 0.65rem 1.25rem;
    border-radius: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
    font-size: 0.95rem;
}

.cat-tab-btn:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.cat-tab-btn.active {
    background: var(--bg-card-hover);
    border-color: var(--accent-blue);
    color: var(--text-primary);
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.2);
}

.add-category-card {
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
}

.add-category-card h3 {
    font-size: 1.15rem;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
}

.add-cat-form-grid {
    display: grid;
    grid-template-columns: 160px 1fr 1fr auto;
    gap: 1rem;
    align-items: flex-end;
}

.add-cat-btn-group {
    display: flex;
    align-items: flex-end;
}

.categories-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.category-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: all 0.2s;
}

.category-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.category-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
}

.category-card-title-group {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.category-type-indicator {
    width: 9px;
    height: 9px;
    border-radius: 50%;
}

.category-type-indicator.despesa { background-color: var(--danger); box-shadow: 0 0 8px var(--danger); }
.category-type-indicator.receita { background-color: var(--success); box-shadow: 0 0 8px var(--success); }
.category-type-indicator.investimento { background-color: var(--accent-blue); box-shadow: 0 0 8px var(--accent-blue); }

.category-card-title {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.category-card-actions {
    display: flex;
    gap: 0.35rem;
}

.cat-action-btn {
    background: rgba(255, 255, 255, 0.05);
    border: none;
    color: var(--text-secondary);
    width: 32px;
    height: 32px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: all 0.2s;
}

.cat-action-btn:hover {
    color: var(--text-primary);
    background: var(--bg-card-hover);
}

.cat-action-btn.btn-delete:hover {
    color: white;
    background: var(--danger);
}

.cat-action-btn.btn-edit:hover {
    color: white;
    background: var(--accent-blue);
}

.cat-action-btn.btn-add-sub:hover {
    color: white;
    background: var(--success);
}

.subcategories-section {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.subcategories-title {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    font-weight: 600;
}

.subcategories-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.subcat-chip {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.4rem 0.7rem;
    font-size: 0.85rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
}

.subcat-chip:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
}

.subcat-chip-actions {
    display: flex;
    gap: 0.25rem;
    opacity: 0.6;
    transition: opacity 0.2s;
}

.subcat-chip:hover .subcat-chip-actions {
    opacity: 1;
}

.subcat-chip-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2px;
    border-radius: 4px;
    transition: color 0.15s;
}

.subcat-chip-btn:hover {
    color: var(--accent-blue);
}

.subcat-chip-btn.delete-sub:hover {
    color: var(--danger);
}

.btn-add-subcat-chip {
    background: transparent;
    border: 1px dashed var(--accent-blue);
    color: var(--accent-blue);
    border-radius: 8px;
    padding: 0.4rem 0.75rem;
    font-size: 0.85rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.35rem;
    transition: all 0.2s;
}

.btn-add-subcat-chip:hover {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--accent-purple);
    color: white;
}

@media (max-width: 900px) {
    .add-cat-form-grid {
        grid-template-columns: 1fr;
    }
}

#improvement-insights li, #top-expenses-list li {
    padding: 1rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 10px;
    margin-bottom: 0.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-left: 4px solid var(--accent-blue);
}

.mt-4 { margin-top: 1.5rem; }

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Modal Styling */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    display: none; /* hidden by default */
    justify-content: center;
    align-items: center;
    z-index: 100;
}

.modal-overlay.active {
    display: flex;
    animation: fadeIn 0.3s ease-out forwards;
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    width: 90%;
    max-width: 900px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    padding: 2rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

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

.modal-header h2 {
    font-size: 1.5rem;
    color: var(--text-primary);
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.2s;
}

.close-btn:hover {
    color: var(--danger);
}

.modal-body select {
    padding: 0.5rem;
    font-size: 0.9rem;
    margin: 0;
}

/* Auth Screen Styling */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: var(--bg-dark);
    padding: 20px;
}

.auth-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.auth-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.auth-logo i {
    color: var(--accent-blue);
    font-size: 2.2rem;
    flex-shrink: 0;
    line-height: 1;
}

.auth-logo h2 {
    font-size: 1.8rem;
    font-weight: 700;
    white-space: nowrap;
    letter-spacing: -0.5px;
    line-height: 1;
}

.auth-logo span {
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.auth-form h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-align: center;
    color: var(--text-primary);
}

.auth-form .form-group {
    margin-bottom: 1.2rem;
}

.auth-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.auth-form input {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background-color: rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.auth-form input:focus {
    outline: none;
    border-color: var(--accent-blue);
    background-color: rgba(255, 255, 255, 0.06);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.auth-restricted-badge {
    margin-top: 1.5rem;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    background: rgba(255, 255, 255, 0.03);
    padding: 0.65rem 1rem;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.auth-restricted-badge i {
    color: var(--accent-blue);
    font-size: 1rem;
}

/* Admin Users View */
.admin-users-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    align-items: start;
}

@media (max-width: 900px) {
    .admin-users-layout {
        grid-template-columns: 1fr;
    }
}

.admin-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.75rem;
}

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

.admin-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.admin-info-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.75rem;
}

.admin-tip-box {
    margin-top: 1.5rem;
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 12px;
    padding: 1.25rem;
}

.admin-tip-box h4 {
    color: #60a5fa;
    font-size: 0.95rem;
    margin-bottom: 0.6rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.admin-tip-box ul {
    color: var(--text-secondary);
    font-size: 0.85rem;
    padding-left: 1.2rem;
    line-height: 1.6;
}