/* FinTree — P&L Hierarchy Explorer (River + Cards Design) */

:root {
  --bg: #06080d;
  --surface: #0c1018;
  --surface-2: #111827;
  --border: rgba(255,255,255,0.06);
  --border-2: rgba(255,255,255,0.04);
  --text: #e2e8f0;
  --text-dim: #94a3b8;
  --text-muted: #475569;
  --text-faint: #334155;
  --green: #10b981;
  --green-dim: rgba(16,185,129,0.08);
  --red: #ef4444;
  --red-dim: rgba(239,68,68,0.08);
  --amber: #f59e0b;
  --amber-dim: rgba(245,158,11,0.08);
  --blue: #60a5fa;
  --indigo: #818cf8;
  --indigo-dim: rgba(129,140,248,0.06);
  --purple: #a78bfa;
  --pink: #f472b6;
  --bottom-green: #22c55e;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: 'Cascadia Code', 'JetBrains Mono', 'Fira Code', monospace;
  --radius: 8px;
  --radius-lg: 12px;
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ─── Header ─── */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 24px;
  background: linear-gradient(180deg, var(--surface), var(--bg));
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
}

.logo { display: flex; align-items: baseline; gap: 10px; }
.logo h1 {
  font-size: 20px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px;
}
.logo-sub { font-size: 11px; color: var(--text-muted); font-weight: 500; }

.header-controls { display: flex; align-items: center; gap: 12px; }

/* Search */
.search-box { position: relative; }
.search-input {
  width: 260px;
  padding: 7px 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 13px;
  font-family: var(--font);
  outline: none;
  transition: border-color 0.2s;
}
.search-input:focus { border-color: rgba(96,165,250,0.4); background: rgba(255,255,255,0.06); }
.search-input::placeholder { color: var(--text-muted); }

.search-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  max-height: 400px;
  overflow-y: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-top: 4px;
  z-index: 200;
  box-shadow: 0 12px 40px rgba(0,0,0,0.5);
}
.search-dropdown.visible { display: block; }

.search-result {
  padding: 10px 14px;
  cursor: pointer;
  border-bottom: 1px solid var(--border-2);
  transition: background 0.1s;
}
.search-result:hover { background: rgba(255,255,255,0.04); }
.search-result .sr-label { font-size: 13px; font-weight: 500; }
.search-result .sr-meta { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

/* Industry Select */
.industry-select {
  padding: 7px 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-dim);
  font-size: 12px;
  font-family: var(--font);
  font-weight: 500;
  cursor: pointer;
  outline: none;
  transition: border-color 0.2s;
}
.industry-select:focus { border-color: rgba(96,165,250,0.4); }
.industry-select.active {
  border-color: rgba(16,185,129,0.4);
  color: var(--green);
  background: var(--green-dim);
}

/* ─── Main Layout ─── */
.main-layout {
  display: flex;
  flex: 1;
  overflow: hidden;
}
.main-content {
  flex: 1;
  overflow-y: auto;
}

/* ─── River Overview ─── */
.river-section {
  background: linear-gradient(180deg, var(--surface) 0%, var(--bg) 100%);
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-2);
  position: relative;
  overflow: hidden;
}
.river-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 20% 50%, rgba(16,185,129,0.03) 0%, transparent 50%),
              radial-gradient(ellipse at 80% 50%, rgba(129,140,248,0.02) 0%, transparent 50%);
  pointer-events: none;
}

.river-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-muted);
  margin-bottom: 14px;
  position: relative;
}

.river-flow {
  display: flex;
  align-items: center;
  position: relative;
  padding: 0 4px;
}

.flow-track {
  position: absolute;
  top: 50%;
  left: 24px;
  right: 24px;
  height: 2px;
  background: linear-gradient(90deg, rgba(16,185,129,0.15) 0%, rgba(239,68,68,0.12) 20%, rgba(129,140,248,0.12) 35%, rgba(245,158,11,0.12) 50%, rgba(129,140,248,0.12) 65%, rgba(239,68,68,0.12) 80%, rgba(34,197,94,0.15) 100%);
  border-radius: 1px;
  z-index: 0;
}
@keyframes flowDot {
  0%    { left: 0;    opacity: 0; background: #10b981; box-shadow: 0 0 6px #10b981; }
  3%    {             opacity: 1; background: #10b981; box-shadow: 0 0 6px #10b981; }
  13%   {                         background: #10b981; box-shadow: 0 0 6px #10b981; }
  15%   {                         background: #ef4444; box-shadow: 0 0 6px #ef4444; }
  27%   {                         background: #ef4444; box-shadow: 0 0 6px #ef4444; }
  29%   {                         background: #818cf8; box-shadow: 0 0 6px #818cf8; }
  41%   {                         background: #818cf8; box-shadow: 0 0 6px #818cf8; }
  43%   {                         background: #f59e0b; box-shadow: 0 0 6px #f59e0b; }
  56%   {                         background: #f59e0b; box-shadow: 0 0 6px #f59e0b; }
  58%   {                         background: #818cf8; box-shadow: 0 0 6px #818cf8; }
  70%   {                         background: #818cf8; box-shadow: 0 0 6px #818cf8; }
  72%   {                         background: #ef4444; box-shadow: 0 0 6px #ef4444; }
  84%   {                         background: #ef4444; box-shadow: 0 0 6px #ef4444; }
  86%   {                         background: #22c55e; box-shadow: 0 0 6px #22c55e; }
  97%   {             opacity: 1; background: #22c55e; box-shadow: 0 0 6px #22c55e; }
  100%  { left: 100%; opacity: 0; background: #22c55e; box-shadow: 0 0 6px #22c55e; }
}
.flow-dot {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  top: -1px;
  animation: flowDot 10s linear infinite;
}
.flow-dot:nth-child(1) { }
.flow-dot:nth-child(2) { display: none; }
.flow-dot:nth-child(3) { display: none; }
.flow-dot:nth-child(4) { display: none; }

.river-node {
  flex: 1;
  text-align: center;
  padding: 10px 4px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.25s ease;
  position: relative;
  z-index: 1;
}
.river-node:hover { transform: translateY(-3px); background: rgba(255,255,255,0.03); }
.river-node.active { background: rgba(255,255,255,0.04); }

.river-node .rn-amount { font-size: 17px; font-weight: 700; letter-spacing: -0.5px; }
.river-node .rn-name { font-size: 9px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; margin-top: 2px; opacity: 0.7; }
.river-node .rn-margin {
  height: 3px;
  border-radius: 2px;
  margin: 8px auto 0;
  max-width: 90%;
  transition: width 0.5s ease;
}

.river-arrow { color: var(--text-faint); font-size: 14px; flex-shrink: 0; width: 16px; text-align: center; z-index: 1; }

/* River node types */
.rn-revenue .rn-amount { color: var(--green); }
.rn-revenue .rn-margin { background: var(--green); }
.rn-expense .rn-amount { color: var(--red); }
.rn-expense .rn-margin { background: var(--red); opacity: 0.6; }
.rn-subtotal .rn-amount { color: var(--indigo); }
.rn-subtotal .rn-margin { background: var(--indigo); }
.rn-bottom .rn-amount { color: var(--bottom-green); text-shadow: 0 0 20px rgba(34,197,94,0.3); }
.rn-bottom .rn-margin { background: var(--bottom-green); }

/* ─── Statement Cards ─── */
.cards-section {
  padding: 0 24px 80px;
  max-width: 960px;
  margin: 0 auto;
}

.pl-section {
  border-radius: var(--radius-lg);
  margin-top: 3px;
  overflow: hidden;
}

.pl-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 20px;
  cursor: pointer;
  transition: filter 0.15s;
}
.pl-header:hover { filter: brightness(1.15); }

/* Section colors */
.sec-revenue .pl-header { background: linear-gradient(90deg, #064e3b, #0d2818); border-left: 4px solid var(--green); }
.sec-cogs .pl-header { background: linear-gradient(90deg, #3b0a0a, #1a0808); border-left: 4px solid var(--red); }
.sec-opex .pl-header { background: linear-gradient(90deg, #3b2506, #1a1203); border-left: 4px solid var(--amber); }
.sec-nonop .pl-header { background: linear-gradient(90deg, #1a1a2e, #0e0e1a); border-left: 4px solid #64748b; }
.sec-tax .pl-header { background: linear-gradient(90deg, #2d1515, #1a0c0c); border-left: 4px solid #f87171; }
.sec-btl .pl-header { background: linear-gradient(90deg, #1a1a24, #0e0e14); border-left: 4px solid #475569; }

.sec-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 15px;
}
.sec-icon {
  width: 28px;
  height: 28px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  background: rgba(255,255,255,0.06);
}

.sec-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--text-muted);
}
.sec-count {
  padding: 2px 8px;
  background: rgba(255,255,255,0.04);
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
}
.sec-emphasized {
  color: var(--green);
  font-size: 11px;
}
.sec-arrow {
  font-size: 10px;
  transition: transform 0.2s;
  display: inline-block;
}
.sec-arrow.open { transform: rotate(90deg); }

/* Section body (expanded children) */
.sec-body {
  display: none;
  padding: 10px 20px 14px 46px;
  background: rgba(0,0,0,0.2);
  border-top: 1px solid var(--border-2);
}
.sec-body.visible { display: block; }

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.chip {
  padding: 5px 12px;
  border-radius: var(--radius);
  font-size: 12px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.2s;
}
.chip:hover { background: rgba(255,255,255,0.07); color: var(--text); transform: translateY(-1px); }
.chip.emphasized {
  border-color: rgba(16,185,129,0.4);
  color: var(--green);
  background: var(--green-dim);
  box-shadow: 0 0 8px rgba(16,185,129,0.08);
}
.chip.suppressed {
  text-decoration: line-through;
  opacity: 0.3;
  border-style: dashed;
}
.chip-more {
  padding: 5px 12px;
  font-size: 11px;
  color: var(--text-muted);
  cursor: pointer;
}
.chip-more:hover { color: var(--text-dim); }

/* Subtotal rows */
.subtotal-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  font-weight: 700;
  font-size: 14px;
  position: relative;
  cursor: pointer;
  transition: background 0.15s;
}
.subtotal-row:hover { filter: brightness(1.1); }
.subtotal-row::before {
  content: '';
  position: absolute;
  top: 0;
  left: 20px;
  right: 20px;
  height: 2px;
}
.subtotal-row.selected { outline: 1px solid var(--indigo); outline-offset: -1px; }

.st-subtotal { color: var(--indigo); background: var(--indigo-dim); }
.st-subtotal::before { background: linear-gradient(90deg, var(--indigo), transparent); }

.st-bottom { color: var(--bottom-green); background: rgba(34,197,94,0.04); font-size: 16px; padding: 14px 20px; }
.st-bottom::before { background: linear-gradient(90deg, var(--bottom-green), transparent); height: 3px; }

.st-label { display: flex; align-items: center; gap: 8px; }
.st-eq { font-size: 18px; opacity: 0.6; }
.st-formula { font-size: 11px; font-weight: 400; opacity: 0.5; font-style: italic; }

/* ─── Detail Panel ─── */
.detail-panel {
  width: 380px;
  flex-shrink: 0;
  background: linear-gradient(180deg, var(--surface), var(--bg));
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.detail-header {
  padding: 16px 20px 12px;
  border-bottom: 1px solid var(--border-2);
  flex-shrink: 0;
}
.detail-title { font-size: 17px; font-weight: 700; }
.detail-breadcrumb { font-size: 11px; color: var(--text-muted); margin-top: 4px; }
.detail-breadcrumb a { color: var(--blue); text-decoration: none; cursor: pointer; }
.detail-breadcrumb a:hover { text-decoration: underline; }

.detail-content {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px;
}
.placeholder-text { color: var(--text-muted); font-size: 13px; text-align: center; padding: 40px 16px; line-height: 1.6; }

.detail-block { margin-bottom: 16px; }
.detail-block h4 {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.def-box {
  background: rgba(255,255,255,0.03);
  border-left: 3px solid var(--blue);
  padding: 10px 14px;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 13px;
  line-height: 1.6;
  color: #cbd5e1;
}

.formula-box {
  background: var(--amber-dim);
  border: 1px solid rgba(245,158,11,0.15);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-family: var(--mono);
  font-size: 12px;
  color: #fbbf24;
}

.detail-field {
  display: flex;
  justify-content: space-between;
  padding: 5px 0;
  font-size: 12px;
  border-bottom: 1px solid var(--border-2);
}
.detail-field .k { color: var(--text-muted); }
.detail-field .v { color: var(--text); font-family: var(--mono); font-size: 11px; text-align: right; max-width: 60%; }

.tag-row { display: flex; flex-wrap: wrap; gap: 4px; }
.tag {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.variance-box {
  background: rgba(255,255,255,0.02);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 12px;
  line-height: 1.6;
}
.var-up { color: var(--green); }
.var-down { color: var(--red); margin-top: 6px; }

.children-list { list-style: none; }
.children-list li { padding: 3px 0; }
.children-list a { color: var(--blue); text-decoration: none; font-size: 12px; cursor: pointer; }
.children-list a:hover { text-decoration: underline; }

/* ─── Stats Bar ─── */
.stats-bar {
  padding: 7px 24px;
  background: rgba(0,0,0,0.3);
  border-top: 1px solid var(--border);
  display: flex;
  gap: 24px;
  font-size: 11px;
  color: var(--text-faint);
  flex-shrink: 0;
  backdrop-filter: blur(10px);
}
.stats-bar strong { color: var(--text-muted); }
.stats-bar .overlay-active { color: var(--green); }

/* ─── Detail Panel Toggle (mobile) ─── */
.detail-toggle {
  display: none;
  position: fixed;
  bottom: 48px;
  right: 16px;
  z-index: 150;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  border: none;
  color: #fff;
  font-size: 20px;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
  transition: transform 0.2s;
}
.detail-toggle:active { transform: scale(0.9); }
.detail-close {
  display: none;
  position: absolute;
  top: 8px;
  right: 12px;
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 28px;
  height: 28px;
  color: var(--text-dim);
  font-size: 14px;
  cursor: pointer;
  z-index: 10;
}
@media (max-width: 768px) {
  .detail-close { display: flex; align-items: center; justify-content: center; }
  .detail-header { position: relative; padding-right: 44px; }
}

/* ─── Responsive: Tablet (≤1024px) ─── */
@media (max-width: 1024px) {
  .detail-panel { width: 320px; }
  .cards-section { max-width: 100%; }
}

/* ─── Responsive: Mobile (≤768px) ─── */
@media (max-width: 768px) {
  body { overflow: auto; height: auto; min-height: 100vh; }

  /* Header */
  .app-header {
    flex-wrap: wrap;
    gap: 8px;
    padding: 8px 12px;
  }
  .header-controls { width: 100%; gap: 8px; }
  .search-input { width: 100%; flex: 1; }
  .industry-select { flex-shrink: 0; font-size: 11px; padding: 7px 6px; max-width: 140px; }

  /* Layout: stack vertically, detail becomes overlay */
  .main-layout { flex-direction: column; overflow: auto; }
  .main-content { overflow: visible; }

  /* Detail panel: slide-up overlay */
  .detail-panel {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 60vh;
    max-height: 60vh;
    z-index: 200;
    border-left: none;
    border-top: 2px solid var(--border);
    border-radius: 16px 16px 0 0;
    transform: translateY(100%);
    transition: transform 0.3s ease;
    box-shadow: 0 -8px 32px rgba(0,0,0,0.5);
  }
  .detail-panel.visible { transform: translateY(0); }
  .detail-toggle { display: block; }
  .detail-panel.visible ~ .detail-toggle { display: none; }

  /* River flow: horizontal scroll */
  .river-section { padding: 12px; }
  .river-flow { overflow-x: auto; -webkit-overflow-scrolling: touch; padding-bottom: 4px; }
  .river-node { min-width: 64px; flex-shrink: 0; padding: 8px 2px; }
  .river-node .rn-amount { font-size: 13px; }
  .river-node .rn-name { font-size: 8px; }
  .river-arrow { font-size: 12px; width: 12px; }
  .flow-track { left: 12px; right: 12px; }

  /* Cards */
  .cards-section { padding: 0 12px 120px; max-width: 100%; }
  .pl-header { padding: 10px 12px; }
  .sec-title { font-size: 13px; gap: 8px; }
  .sec-icon { width: 24px; height: 24px; font-size: 12px; }
  .sec-meta { gap: 6px; font-size: 11px; }
  .sec-body { padding: 8px 12px 10px 12px; }
  .chip { padding: 4px 8px; font-size: 11px; }
  .subtotal-row { padding: 10px 12px; font-size: 12px; }
  .st-bottom { font-size: 14px; padding: 12px; }
  .st-formula { font-size: 10px; }

  /* Detail panel content */
  .detail-header { padding: 12px 16px 8px; }
  .detail-title { font-size: 15px; }
  .detail-content { padding: 12px 16px; }
  .detail-field .v { max-width: 55%; font-size: 10px; }

  /* Stats bar */
  .stats-bar { padding: 6px 12px; gap: 12px; font-size: 10px; flex-wrap: wrap; }

  /* Search dropdown */
  .search-dropdown { max-height: 300px; }
}

/* ─── Responsive: Small phone (≤480px) ─── */
@media (max-width: 480px) {
  .logo h1 { font-size: 16px; }
  .logo-sub { font-size: 9px; }
  .river-node { min-width: 52px; }
  .river-node .rn-amount { font-size: 11px; }
  .sec-title { font-size: 12px; }
  .detail-panel { height: 70vh; max-height: 70vh; }
  .industry-select { max-width: 110px; font-size: 10px; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.15); }