/* style.css - clean, professional dashboard (Layout A) */
:root{
    --bg:#F6F8FB;
    --card:#FFFFFF;
    --text:#1F2D3D;
    --muted:#6B7280;
    --primary:#FF6B9D;
    --accent:#4ECDC4;
    --radius:12px;
    --sidebar-width:260px;
    --header-height:68px;
    --shadow-sm: 0 4px 16px rgba(18, 25, 36, 0.06);
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
    background:var(--bg);
    color:var(--text);
    -webkit-font-smoothing:antialiased;
}

/* Sidebar */
.sidebar{
    position:fixed;left:0;top:0;height:100vh;width:var(--sidebar-width);background:var(--card);box-shadow:var(--shadow-sm);display:flex;flex-direction:column;z-index:50;
}
.sidebar-header{padding:22px;border-bottom:1px solid #F1F3F5;display:flex;align-items:center;gap:12px}
.logo{font-weight:700;display:flex;align-items:center;gap:10px}
.logo i{color:var(--primary)}
.sidebar-nav{padding:12px 0;flex:1;overflow:auto}
.nav-item{display:flex;align-items:center;gap:12px;padding:12px 20px;color:var(--muted);text-decoration:none;font-weight:600;border-radius:10px;margin:6px 12px;transition:all .18s}
.nav-item i{width:20px;text-align:center}
.nav-item:hover,.nav-item.active{background:linear-gradient(90deg, rgba(255,107,157,0.07), rgba(78,205,196,0.03));color:var(--primary)}
.sidebar-footer{padding:16px;border-top:1px solid #F1F3F5}
.user-profile{display:flex;align-items:center;gap:12px}
.user-avatar{width:44px;height:44px;border-radius:10px;background:linear-gradient(90deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700}
.sidebar-actions{display:flex;flex-direction:column;gap:8px;margin-top:12px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 12px;border-radius:10px;border:none;background:transparent;cursor:pointer;font-weight:600}
.btn i{font-size:14px}
.btn-primary{background:linear-gradient(90deg,var(--primary),var(--accent));color:#fff;padding:10px 14px;border-radius:12px}
.btn-secondary{background:#F3F5F7;color:var(--text);padding:10px 12px;border-radius:10px}

/* Main content */
.main-content{margin-left:var(--sidebar-width);min-height:100vh}
.header{height:var(--header-height);display:flex;align-items:center;justify-content:space-between;padding:0 24px;background:transparent;position:sticky;top:0;z-index:20}
.header-left{display:flex;align-items:center;gap:18px}
#pageTitle{font-size:20px;font-weight:700}
.header-right{display:flex;align-items:center;gap:12px}

/* Pages container */
.pages-container{padding:24px 32px}

/* Summary cards */
.summary-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}
.summary-card{background:var(--card);padding:16px;border-radius:var(--radius);box-shadow:var(--shadow-sm);display:flex;gap:12px;align-items:center}
.card-icon{width:56px;height:56px;border-radius:10px;background:linear-gradient(90deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px}
.card-label{font-size:13px;color:var(--muted);margin-bottom:6px}
.card-value{font-size:20px;font-weight:700}

/* Charts row */
.charts-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px}
.chart-card{background:var(--card);padding:12px;border-radius:var(--radius);box-shadow:var(--shadow-sm);min-height:220px;display:flex;flex-direction:column}
.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.chart-container{flex:1;min-height:160px;display:flex;align-items:center}

/* Recent transactions */
.recent-transactions{background:var(--card);padding:14px;border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.recent-header{display:flex;justify-content:space-between;align-items:center}
.transactions-list{display:flex;flex-direction:column;gap:10px;margin-top:12px}
.transaction-item{display:flex;align-items:center;gap:12px;padding:10px;border-radius:10px;background:#FBFCFD}
.transaction-icon{width:44px;height:44px;border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff}
.transaction-info{flex:1}

/* Page controls */
.page-controls{display:flex;gap:10px;padding:12px;margin-bottom:12px}
.search-input,.filter-select{padding:10px;border-radius:10px;border:1px solid #EEF0F2;background:#fff;min-width:120px}

/* Table */
.transactions-table{background:var(--card);padding:12px;border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:auto}
table{width:100%;border-collapse:collapse}
thead th{padding:12px;text-align:left;color:var(--muted);font-size:12px;border-bottom:1px solid #F1F3F5}
tbody td{padding:12px;border-bottom:1px solid #F6F8FA;font-size:14px}
.action-btn{border:none;background:transparent;cursor:pointer;padding:6px;border-radius:8px}

/* Grids */
.cards-grid,.categories-grid,.people-grid,.goals-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.credit-card{height:150px;border-radius:12px;padding:12px;color:#fff;position:relative;overflow:hidden}
.category-card,.person-card,.goal-card{background:var(--card);padding:12px;border-radius:12px;box-shadow:var(--shadow-sm);position:relative}

/* Modal */
.modal{position:fixed;inset:0;background:rgba(8,12,20,0.45);display:none;align-items:center;justify-content:center;z-index:200}
.modal.active{display:flex}
.modal-content{width:100%;max-width:540px;background:var(--card);border-radius:12px;overflow:hidden;box-shadow:0 20px 80px rgba(7,11,20,0.35)}
.modal-header{display:flex;justify-content:space-between;align-items:center;padding:16px;border-bottom:1px solid #F1F3F5}
.modal-body{padding:16px}
.modal-footer{display:flex;justify-content:flex-end;gap:10px;padding:12px;border-top:1px solid #F1F3F5}

/* Forms */
.form-group{margin-bottom:12px}
.form-row{display:flex;gap:10px}
.form-row .form-group{flex:1}
input[type="text"], input[type="date"], input[type="number"], select{width:100%;padding:10px;border-radius:8px;border:1px solid #EEF0F2;background:#fff}

/* Responsive */
@media (max-width:1100px){
    .summary-cards{grid-template-columns:repeat(2,1fr)}
    .charts-row{grid-template-columns:1fr}
    .cards-grid,.categories-grid,.people-grid,.goals-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:700px){
    .main-content{margin-left:0}
    .sidebar{position:relative;width:100%;height:auto}
    .summary-cards{grid-template-columns:1fr}
    .cards-grid,.categories-grid,.people-grid,.goals-grid{grid-template-columns:1fr}
    .page-controls{flex-direction:column}
    .header{padding:12px}
}