:root{
  --bg:#f3f6fb;
  --card:#eef2f8;
  --card-solid:#ffffff;
  --text:#333333;
  --muted:#6c7890;
  --accent:#2e7cf6;
  --danger-bg:#ff6b6b;
  --danger-text:#fff;
  --gap-xs:6px;
  --gap-sm:10px;
  --gap:12px;
  --gap-md:16px;
  --gap-lg:18px;
  --r-ctrl:14px;
  --r-card:16px;
  --inset: inset -6px -6px 12px rgba(255,255,255,.75), inset 6px 6px 12px rgba(0,0,0,.08);
  --panel: #f3f6fb;
  --border: rgba(0, 0, 0, 0.08);
  --success: #4caf50;
  --green: #4caf50;
  --warning: #f6b02e;
}

*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Inter,Roboto;background:var(--bg);color:var(--text)}

.subtitle,.muted{color:var(--muted)}

/* Soft card surfaces */
.card, .panel, .box, .kpi, .tile, .container.cardlike{
  background:var(--card);border-radius:var(--r-card);
  box-shadow:-8px -8px 16px rgba(255,255,255,.75), 8px 8px 16px rgba(0,0,0,.08);
  padding:16px;
}
.inset, .sunken, .input-shell{
  box-shadow:inset -8px -8px 16px rgba(255,255,255,.75), inset 8px 8px 16px rgba(0,0,0,.08);
}

/* Inputs */
input[type="text"],input[type="tel"],input[type="search"],input[type="date"],input[type="number"],
input[type="email"],input[type="password"],select,textarea{
  border:0;padding:12px;border-radius:12px;background:var(--card);color:var(--text);
  box-shadow:inset -6px -6px 12px rgba(255,255,255,.75), inset 6px 6px 12px rgba(0,0,0,.08);
  font:inherit;
}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent)}

/* Buttons */
.btn{
  border:0;padding:10px 14px;border-radius:12px;background:var(--card);cursor:pointer;color:var(--text);
  box-shadow:-5px -5px 10px rgba(255,255,255,.75),5px 5px 10px rgba(0,0,0,.08);
  font:inherit;
  transition:transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.btn:hover{transform:translateY(-1px)}
.btn.primary{
  background:linear-gradient(145deg,#f8fbff,#e6ecf7);color:#1b3f7a
}
.btn.danger{
  background:var(--danger-bg);color:var(--danger-text)
}
.btn-danger { background: var(--danger-bg) !important; color: var(--danger-text) !important; }
.btn-danger:hover { background: #ff5252 !important; transform: translateY(-1px); }
.btn-green, .green { background: #4caf50 !important; color: #fff !important; }
.btn-green:hover, .green:hover { background: #43a047 !important; transform: translateY(-1px); }
.btn-red, .red { background: #e53935 !important; color: #fff !important; }
.btn-red:hover, .red:hover { background: #d32f2f !important; transform: translateY(-1px); }
.btn-blue, .blue { background: #2e7cf6 !important; color: #fff !important; }
.btn-blue:hover, .blue:hover { background: #1e88e5 !important; transform: translateY(-1px); }
.btn-clear { background: #ffebee !important; color: #c62828 !important; border:none; }
.btn-clear:hover { background: #ffcdd2 !important; transform: translateY(-1px); }
.btn-edit { background: var(--accent) !important; color: #fff !important; border:none; }
.btn-edit:hover { background: #1e88e5 !important; transform: translateY(-1px); }
.btn-apply { background: #4caf50 !important; color: #fff !important; }
.btn-clear { background: #ffe3e3 !important; color: #c62828 !important; }

/* Tables */
.table, .data-table, .grid, .listing{overflow-x:auto; -webkit-overflow-scrolling: touch;}
.grid-panel { overflow-x: auto; -webkit-overflow-scrolling: touch; width: 100%; }
table{width:100%;border-collapse:separate;border-spacing:0 8px}
th,td{padding:10px 12px;text-align:left}
thead th{font-weight:600}
.amount{text-align:right}

/* Neumorphic Table Row Styling */
tbody tr td { background: var(--card); }
tbody tr td:first-child { border-top-left-radius: 12px; border-bottom-left-radius: 12px; }
tbody tr td:last-child { border-top-right-radius: 12px; border-bottom-right-radius: 12px; }
tbody tr:hover td {
  box-shadow: var(--inset);
  cursor: pointer;
}

/* KPI Cards */
.kpi-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:var(--gap);margin-top:8px}

/* Segmented Control */
.segmented{display:inline-flex;gap:6px;background:var(--card);padding:6px;border-radius:12px;box-shadow:inset -6px -6px 12px rgba(255,255,255,.75), inset 6px 6px 12px rgba(0,0,0,.08)}
.segmented.small{padding:4px}
.segmented button{border:0;padding:8px 12px;border-radius:12px;background:transparent;cursor:pointer}
.segmented button.active{background:linear-gradient(145deg,#f8fbff,#e6ecf7);box-shadow:-4px -4px 8px rgba(255,255,255,.75),4px 4px 8px rgba(0,0,0,.08)}

/* Branding Row */
.branding-row{display:flex;gap:var(--gap-md);flex-wrap:wrap}

/* Lists */
.lists-row{display:flex;gap:var(--gap);flex-wrap:nowrap;overflow:auto}
.lists-row .card{min-width:260px}

/* Footer */
.app-footer{margin:0 16px 16px;font-size:13px;color:#6c7890;display:flex;align-items:center;justify-content:center}

/* Fancy Delete Button */
.del{ position:relative; width:160px; height:50px; display:flex; justify-content:center; align-items:center; }
.del div{ width:100%; height:100%; display:flex; justify-content:center; align-items:center; background:none; box-shadow:4px 4px 6px 0 rgba(255,255,255,.5), -4px -4px 6px 0 rgba(116,125,136,.5), inset -4px -4px 6px 0 rgba(255,255,255,.2), inset 4px 4px 6px 0 rgba(0,0,0,.4); border-bottom:1px solid rgba(255,255,255,0.1); border-top:1px solid rgba(255,255,255,0.1); border-radius:30px; letter-spacing:1px; color:var(--danger-bg); z-index:1; transition:.3s; }
.del:hover div{ letter-spacing:4px; color:var(--danger-text); background:var(--danger-bg); }

/* Tabs Styles */
.tabs { display: inline-flex; gap: var(--gap-sm); margin-bottom: var(--gap-md); }
.tab { border:0; padding: 10px 16px; border-radius: 12px; background: var(--card); cursor: pointer; color: var(--muted); box-shadow: -5px -5px 10px rgba(255,255,255,.75),5px 5px 10px rgba(0,0,0,.08); transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1); }
.tab:hover { color: var(--text); transform: translateY(-1px); }
.tab.active { color: var(--accent); box-shadow: inset -4px -4px 8px rgba(255,255,255,.75), inset 4px 4px 8px rgba(0,0,0,.08); }

/* Alerts Styles */
.alert { padding: 12px var(--gap-md); border-radius: 12px; font-size: 14px; display: flex; align-items: center; gap: var(--gap-sm); background: var(--card); box-shadow: -5px -5px 10px rgba(255,255,255,.75),5px 5px 10px rgba(0,0,0,.08); border-left: 4px solid var(--muted); }
.alert.success { border-left-color: #2ecf72; color: #155724; }
.alert.warning { border-left-color: #f6b02e; color: #856404; }
.alert.info { border-left-color: var(--accent); color: #1b3f7a; }

/* Badges Styles */
.badge { display: inline-flex; align-items: center; justify-content: center; padding: 4px 10px; border-radius: 12px; font-size: 12px; font-weight: 600; background: var(--card); color: var(--text); box-shadow: -3px -3px 6px rgba(255,255,255,.75), 3px 3px 6px rgba(0,0,0,.08); }

/* Tooltips Styles */
.tooltip { position: relative; display: inline-block; cursor: pointer; }
.tooltip .tip { visibility: hidden; width: 120px; background-color: var(--text); color: var(--card); text-align: center; border-radius: 8px; padding: 6px; position: absolute; z-index: 10; bottom: 125%; left: 50%; transform: translateX(-50%); opacity: 0; transition: opacity 0.3s; font-size: 12px; box-shadow: 0 4px 12px rgba(0,0,0,0.15); }
.tooltip:hover .tip { visibility: visible; opacity: 1; }

/* Pagination Styles */
.pagination { display: flex; gap: var(--gap-xs); align-items: center; }
.page-btn { border: 0; padding: 8px 12px; border-radius: 10px; background: var(--card); color: var(--text); cursor: pointer; box-shadow: -4px -4px 8px rgba(255,255,255,.75), 4px 4px 8px rgba(0,0,0,.08); transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1); font-size: 13px; }
.page-btn:hover { transform: translateY(-1px); }
.page-btn.active { color: var(--accent); box-shadow: inset -3px -3px 6px rgba(255,255,255,.75), inset 3px 3px 6px rgba(0,0,0,.08); }

/* Modal Backdrop & Dialog Styles */
.modal-backdrop { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background: rgba(0,0,0,0.3); backdrop-filter: blur(4px); display: none; justify-content: center; align-items: center; z-index: 1000; }
.modal { background: var(--bg); border-radius: 18px; padding: var(--gap-lg); max-width: 450px; width: 90%; box-shadow: -10px -10px 20px rgba(255,255,255,.75), 10px 10px 20px rgba(0,0,0,.15); border: 1px solid rgba(255,255,255,0.25); animation: modalPop 0.3s cubic-bezier(0.34, 1.56, 0.64, 1); }
@keyframes modalPop { from { transform: scale(0.9); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.modal-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--gap); }

/* Toasts Styles */
.toast-wrap { position: fixed; bottom: 24px; right: 24px; display: flex; flex-direction: column; gap: var(--gap-sm); z-index: 999999; }
.toast { padding: 16px 28px; border-radius: 24px; background: var(--card); font-size: 15px; font-weight: 600; box-shadow: -6px -6px 12px rgba(255,255,255,.75), 6px 6px 12px rgba(0,0,0,.1); border-left: 8px solid #3b82f6; color: #1b3a4b; min-width: 280px; animation: slideIn 0.3s ease; display: flex; align-items: center; }
.toast.success { border-left-color: #2ecf72; color: #1e4620; }
.toast.warning { border-left-color: #f6b02e; color: #664d03; }
.toast.info { border-left-color: #3b82f6; color: #055160; }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* Stepper Styles */
.stepper { display: flex; justify-content: space-between; align-items: center; position: relative; margin: var(--gap-md) 0; width: 100%; }
.stepper::before { content: ''; position: absolute; top: 50%; left: 0; width: 100%; height: 4px; background: var(--card); box-shadow: inset -2px -2px 4px rgba(255,255,255,.75), inset 2px 2px 4px rgba(0,0,0,.08); transform: translateY(-50%); z-index: 1; }
.step { display: flex; flex-direction: column; align-items: center; gap: var(--gap-xs); position: relative; z-index: 2; font-size: 13px; color: var(--muted); }
.step .dot { width: 28px; height: 28px; border-radius: 50%; background: var(--card); box-shadow: -3px -3px 6px rgba(255,255,255,.75), 3px 3px 6px rgba(0,0,0,.08); display: flex; align-items: center; justify-content: center; font-weight: 600; color: var(--muted); transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); }
.step.active .dot { background: var(--accent); color: #fff; box-shadow: 0 0 10px rgba(46,124,246,0.4); }
.step.active span:last-child { color: var(--text); font-weight: 600; }

/* Theme Switcher Styles */
.theme-row { display: flex; gap: var(--gap); }
.theme-btn { border: 0; padding: 10px 14px; border-radius: 12px; background: var(--card); cursor: pointer; color: var(--text); box-shadow: -5px -5px 10px rgba(255,255,255,.75), 5px 5px 10px rgba(0,0,0,.08); transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1); }
.theme-btn:hover { transform: translateY(-1px); }

/* App Specific Container Mappings */
#tab1, #donationsTab, #donationForm, #tab2, #expensesTab, #expensesForm,
#tab3, #tab4, #tab5, #tab6, #tab7, #reportsTab, #summaryTab, #backupTab, #mastersTab{
  background:transparent;
}
#donationsTab, #expensesTab, #reportsTab, #summaryTab, #backupTab, #mastersTab{
  padding:16px;border-radius:var(--r-card);
  box-shadow:-8px -8px 16px rgba(255,255,255,.75), 8px 8px 16px rgba(0,0,0,.08);
  background:var(--card);
}
#donationForm, #expensesForm, .form-body{
  padding:12px;border-radius:var(--r-card);
  box-shadow:inset -8px -8px 16px rgba(255,255,255,.75), inset 8px 8px 16px rgba(0,0,0,.08);
  background:var(--card);
}

.actions.spaced, .row.spaced, .toolbar{display:flex;gap:var(--gap)}
.bulk-actions, .filters, .form-actions{display:flex;gap:var(--gap);flex-wrap:wrap}

:disabled, [disabled]{opacity:.8}

/* Color Coding for 8 Payment/Due Combinations */
tr.row-paid-cash td { background: #d4eedb !important; }
tr.row-paid-upi td { background: #d4e6f1 !important; }
tr.row-paid-cheque td { background: #e8daef !important; }
tr.row-paid-banktransfer td { background: #d1f2eb !important; }

tr.row-due-cash td { background: #fdebd0 !important; }
tr.row-due-upi td { background: #f9dbe1 !important; }
tr.row-due-cheque td { background: #fcf3cf !important; }
tr.row-due-banktransfer td { background: #eaecee !important; }

.hidden { display: none !important; }

/* Neumorphic Segmented Control */
.seg { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.seg-btn {
  padding: 10px 16px; border: none; cursor: pointer; font-weight: 700;
  border-radius: 12px; background: var(--card); color: var(--text);
  box-shadow: -4px -4px 8px rgba(255,255,255,.75), 4px 4px 8px rgba(0,0,0,.08);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.seg-btn:hover { color: var(--text); transform: translateY(-1px); }
.seg-btn.active {
  box-shadow: inset -3px -3px 6px rgba(255,255,255,.75), inset 3px 3px 6px rgba(0,0,0,.08);
  color: var(--accent);
}
.seg-btn.danger.active {
  color: #ff6b6b;
}
.seg-btn.warn.active {
  color: #f6b02e;
}

/* Calendar Button Neumorphic style */
.cal-btn {
  height: 40px; width: 42px; border: none; border-radius: 32px; padding: 0;
  background: var(--card); cursor: pointer; display: flex; align-items: center; justify-content: center;
  box-shadow: -3px -3px 6px rgba(255,255,255,.75), 3px 3px 6px rgba(0,0,0,.08);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.cal-btn:hover { transform: translateY(-1px); }

/* Panel title style */
.panel-title { font-size: 16px; font-weight: 800; color: var(--text); margin-bottom: 8px; }



/* --- High-Density Layout Optimizations --- */
body, .container, .app-wrapper {
    padding-top: 12px;
    padding-bottom: 12px;
}

.top-controls-row {
    padding: 8px 16px !important;
    margin-bottom: 16px !important;
}

th {
    padding: 10px 12px !important;
}

td {
    padding: 8px 12px !important;
    line-height: 1.2;
}

.btn, .form-control, input[type="text"], input[type="tel"], input[type="search"], input[type="date"], input[type="number"], input[type="email"], input[type="password"], select, textarea {
    padding-top: 9px !important;
    padding-bottom: 9px !important;
}
/* ------------------------------------------- */

.btn-accent { background: var(--accent) !important; color: #fff !important; }
.btn-accent:hover { background: #1c65d6 !important; transform: translateY(-1px); }


/* Focus cue for table row keyboard navigation */
tbody tr:focus {
  outline: 2px solid #4F46E5;
  outline-offset: -2px;
  background-color: #f0fdf4 !important;
}

/* Export Dropdown Styles */
.export-dropdown {
  position: relative;
  display: inline-block;
}
.export-menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 8px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  min-width: 220px;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.15);
  border: 1px solid rgba(255,255,255,0.7);
  z-index: 1000;
  overflow: hidden;
}
.export-menu.show {
  display: block;
}
.export-menu button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 12px 16px;
  background: none;
  border: none;
  border-bottom: 1px solid rgba(0,0,0,0.05);
  font-family: inherit;
  font-size: 14px;
  color: var(--text);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.export-menu button:last-child {
  border-bottom: none;
}
.export-menu button:hover {
  background: #f0f4f8;
  color: var(--primary);
}