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

body {
  background: var(--bg);
  color: var(--text);
  transition: background 0.3s, color 0.3s;
  min-height: 100vh;
}

/* Scrollbar */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--scroll-track); }
::-webkit-scrollbar-thumb { background: var(--scroll-thumb); border-radius: 3px; }

/* Number input spinners */
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button {
  opacity: 0.35;
  filter: var(--spinner-filter, none);
}
[data-theme="dark"] input[type=number]::-webkit-inner-spin-button,
[data-theme="dark"] input[type=number]::-webkit-outer-spin-button {
  filter: invert(0.7) sepia(1) hue-rotate(190deg) saturate(0.5) brightness(0.6);
  opacity: 0.5;
}

/* ===== HEADER ===== */
header {
  background: var(--header-bg);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 8px rgba(0,0,0,0.12);
}

.logo-badge {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 4px 14px var(--accent-glow);
}

/* ===== THEME TOGGLE ===== */
.theme-toggle {
  display: flex; align-items: center; gap: 7px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 6px 14px;
  cursor: pointer;
  transition: all 0.2s;
  color: var(--text2);
  font-size: 12px;
  font-weight: 500;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }

/* ===== BUTTONS ===== */
.action-btn {
  display: inline-flex; align-items: center; gap: 7px;
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-compact {
  padding: 5px 12px;
  font-size: 12px;
  gap: 5px;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  box-shadow: 0 3px 12px var(--accent-glow);
}
.btn-primary:hover { filter: brightness(1.08); transform: translateY(-1px); }
.btn-primary.saved {
  background: linear-gradient(135deg, #22c55e, #16a34a);
  box-shadow: 0 3px 12px rgba(34,197,94,0.25);
}
.btn-secondary {
  background: var(--surface);
  color: var(--text2);
  border-color: var(--border);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }
.btn-danger {
  background: var(--red-bg);
  color: var(--red);
  border-color: var(--red-border);
}
.btn-danger:hover { filter: brightness(1.08); }

.save-time {
  font-size: 11px;
  color: var(--save-time);
  font-style: italic;
  white-space: nowrap;
}

/* ===== CLOUD STATUS ===== */
.cloud-chip {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  color: var(--text2);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 5px 10px;
}

/* ===== TABS ===== */
.tab-bar {
  background: var(--tab-bar-bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 20;
}
.tab-btn {
  display: flex; align-items: center; gap: 7px;
  padding: 9px 20px;
  border-radius: 7px;
  font-weight: 600; font-size: 13px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s;
  color: var(--text2);
  background: transparent;
}
.tab-btn:hover:not(.active) { background: var(--accent-glow); border-color: var(--border2); color: var(--accent); }
.tab-btn.active {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  box-shadow: 0 3px 12px var(--accent-glow);
}

/* ===== STICKY SAVE ===== */
.sticky-save {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ===== CARDS ===== */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; }
.card-accent { background: var(--accent-glow); border: 1px solid var(--border2); border-radius: 14px; }

/* ===== TABLE ===== */
.calc-table { border-collapse: collapse; width: auto; min-width: 100%; }
.calc-table th {
  background: var(--th-bg);
  color: var(--accent2);
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 11px 10px;
  border-bottom: 2px solid var(--border2);
  white-space: nowrap;
  text-align: left;
}
.calc-table th.result-col { background: var(--th-bg); text-align: center; }
.calc-table td.result-col { text-align: center; }
.calc-table td { text-align: left; }

/* ===== TICKER LINK ===== */
.ticker-link {
  color: var(--text3);
  cursor: pointer;
  font-size: 10px;
  flex-shrink: 0;
  text-decoration: none;
  padding: 3px 4px;
  border-radius: 5px;
  line-height: 1;
  transition: color 0.2s, background 0.2s;
}
.ticker-link:hover { color: var(--accent); background: var(--accent-glow); }
.calc-table td {
  padding: 7px 6px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.calc-table tr:hover td { background: var(--accent-glow); }
.row-opp td { background: rgba(74,222,128,0.05) !important; }
.row-opp td:first-child { box-shadow: inset 3px 0 0 var(--green); }
.row-opp:hover td { background: rgba(74,222,128,0.09) !important; }

/* ===== INPUTS ===== */
.table-input {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 6px 7px;
  font-size: 13px;
  width: auto;
  min-width: 0;
  transition: all 0.2s;
  text-align: center;
}
.table-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow);
}
.ticker-input {
  font-weight: 700; color: var(--accent2);
  text-transform: uppercase; text-align: left;
  letter-spacing: 0.5px; font-size: 12.5px;
}

/* ===== RESULT CELLS ===== */
.result-cell {
  font-weight: 600; font-size: 13px;
  text-align: center; border-radius: 6px;
  white-space: nowrap; padding: 4px 8px;
  display: inline-flex; align-items: center;
  justify-content: center; gap: 4px;
}
.result-neutral { color: var(--text2); }
.preco-teto-cell { color: var(--gold); font-weight: 700; }
.margin-good { color: var(--green); background: var(--green-bg); border: 1px solid var(--green-border); border-radius: 6px; padding: 4px 9px; }
.margin-warn { color: var(--orange); background: var(--orange-bg); border: 1px solid var(--orange-border); border-radius: 6px; padding: 4px 9px; }
.margin-bad  { color: var(--red);   background: var(--red-bg);   border: 1px solid var(--red-border);   border-radius: 6px; padding: 4px 9px; }

/* ===== OPP STAR ===== */
.opp-star {
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--green);
  font-size: 10px;
  margin-left: 5px;
  vertical-align: middle;
  flex-shrink: 0;
}

/* ===== DEL BTN ===== */
.del-btn { color: rgba(248,113,113,0.3); cursor: pointer; transition: color 0.2s; padding: 4px 6px; font-size: 14px; }
.del-btn:hover { color: var(--red); }

/* ===== ADD ROW BTN ===== */
.add-row-btn {
  background: var(--accent-glow);
  border: 1.5px dashed var(--border2);
  color: var(--accent2);
  border-radius: 9px;
  padding: 9px 20px;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 13px;
  font-weight: 600;
}
.add-row-btn:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }

/* ===== GUIDE STEPS ===== */
.guide-step { background: var(--surface); border: 1px solid var(--border); border-radius: 9px; padding: 13px 15px; }
.step-num {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff; border-radius: 50%;
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700; flex-shrink: 0;
}

/* ===== BADGES ===== */
.badge { display: inline-block; background: var(--accent-glow); color: var(--accent2); border: 1px solid var(--border2); border-radius: 4px; padding: 1px 6px; font-size: 10px; font-weight: 600; }
.badge-green  { background: var(--green-bg);  color: var(--green);  border-color: var(--green-border); }
.badge-orange { background: var(--orange-bg); color: var(--orange); border-color: var(--orange-border); }
.badge-red    { background: var(--red-bg);    color: var(--red);    border-color: var(--red-border); }

/* ===== STAT CARDS ===== */
.stat-card { background: var(--surface); border: 1px solid var(--border); border-radius: 11px; padding: 10px 16px; text-align: center; transition: border-color 0.2s; display: flex; align-items: center; gap: 12px; }
.stat-card:hover { border-color: var(--border2); }
.stat-card-val { font-size: 20px; font-weight: 800; line-height: 1; white-space: nowrap; }
.stat-card-lbl { font-size: 11px; color: var(--text2); margin-top: 2px; text-align: left; }

/* ===== TABLE SCROLL ===== */
.table-scroll { overflow-x: auto; border-radius: 12px; border: 1px solid var(--border); }

/* ===== TAB CONTENT ===== */
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ===== EXT LINKS ===== */
.ext-link {
  display: flex; align-items: center; gap: 5px;
  padding: 6px 12px; border-radius: 7px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text2); font-size: 12px; font-weight: 500;
  text-decoration: none; transition: all 0.2s;
}
.ext-link:hover { border-color: var(--accent); color: var(--accent); }

/* ===== TOOLTIP ===== */
#g-tip {
  position: fixed; z-index: 9999;
  background: var(--tooltip-bg);
  border: 1px solid var(--border2);
  border-radius: 10px; padding: 11px 14px;
  width: 250px; font-size: 12px; line-height: 1.55;
  color: var(--text2);
  box-shadow: 0 8px 30px rgba(0,0,0,0.2);
  pointer-events: none; opacity: 0; transition: opacity 0.15s;
}
#g-tip.visible { opacity: 1; }
#g-tip::after { content:''; position:absolute; top:100%; left:20px; border:6px solid transparent; border-top-color: var(--border2); }
#g-tip.flip-down::after { display:none; }
#g-tip.flip-down::before { content:''; position:absolute; bottom:100%; left:20px; border:6px solid transparent; border-bottom-color:var(--border2); }

.tip-icon { color: var(--border2); cursor: help; font-size: 11px; margin-left: 3px; vertical-align: middle; transition: color 0.2s; }
.tip-icon:hover { color: var(--accent); }

/* ===== ANIMATIONS ===== */
@keyframes fadeIn { from { opacity:0; transform:translateY(6px); } to { opacity:1; transform:translateY(0); } }
.animate-in { animation: fadeIn 0.25s ease forwards; }

/* ===== TOAST ===== */
#toast {
  position: fixed; bottom: 24px; right: 24px; z-index: 9999;
  background: var(--bg2); border: 1px solid var(--border2);
  border-radius: 10px; padding: 11px 18px;
  display: flex; align-items: center; gap: 9px;
  font-size: 13px; font-weight: 600; color: var(--text);
  box-shadow: 0 6px 24px rgba(0,0,0,0.18);
  transform: translateY(70px); opacity: 0;
  transition: all 0.3s cubic-bezier(0.34,1.56,0.64,1);
  pointer-events: none;
}
#toast.show { transform: translateY(0); opacity: 1; }
.toast-icon { color: var(--green); font-size: 15px; }
.toast-icon.warn { color: var(--orange); }

/* ===== SIDEBAR ===== */
.sidebar {
  position: fixed; left: 0; top: 0; bottom: 0; width: 220px;
  background: var(--header-bg);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  z-index: 100;
  transition: transform 0.25s ease;
}
.sidebar-logo {
  padding: 16px 14px 14px;
  border-bottom: 1px solid var(--border);
}
.sidebar-nav {
  flex: 1; padding: 10px 8px; overflow-y: auto;
}
.sidebar-section-label {
  font-size: 10px; font-weight: 700; color: var(--text3);
  text-transform: uppercase; letter-spacing: 0.8px;
  padding: 8px 12px 4px;
}
.sidebar-nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: 8px;
  cursor: pointer; font-size: 13px; font-weight: 500;
  color: var(--text2); transition: all 0.15s;
  margin-bottom: 2px; border: none; background: transparent;
  width: 100%; text-align: left;
}
.sidebar-nav-item:hover { background: var(--surface2); color: var(--text); }
.sidebar-nav-item.active { background: var(--accent-glow); color: var(--accent); font-weight: 600; }
.sidebar-nav-item i { width: 16px; text-align: center; font-size: 14px; }
.sidebar-bottom {
  padding: 10px 8px; border-top: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 4px;
}
.sidebar-ext-link {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 12px; border-radius: 7px;
  font-size: 12px; color: var(--text2); text-decoration: none;
  transition: all 0.15s;
}
.sidebar-ext-link:hover { background: var(--surface2); color: var(--text); }
.sidebar-ext-link i { width: 14px; text-align: center; font-size: 11px; }

/* ===== APP WRAPPER ===== */
.app-wrapper { margin-left: 220px; min-height: 100vh; display: flex; flex-direction: column; }
.top-bar {
  position: sticky; top: 0; z-index: 50;
  background: var(--tab-bar-bg);
  border-bottom: 1px solid var(--border);
  padding: 10px 24px;
  display: flex; align-items: center; justify-content: space-between;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.top-bar-title { font-size: 14px; font-weight: 600; color: var(--text); }

/* ===== SIDEBAR OVERLAY (mobile) ===== */
.sidebar-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,0.5); z-index: 99;
}
.sidebar-overlay.open { display: block; }
.hamburger {
  display: none; align-items: center; gap: 6px;
  background: transparent; border: 1px solid var(--border);
  border-radius: 7px; padding: 6px 10px;
  cursor: pointer; color: var(--text); font-size: 13px;
}

@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .app-wrapper { margin-left: 0; }
  .hamburger { display: flex; }
  .top-bar { padding: 8px 14px; }
}

/* ===== DETAILS ===== */
details summary { user-select: none; }
details summary::-webkit-details-marker { display: none; }
details[open] summary .chevron { transform: rotate(180deg); }
.chevron { transition: transform 0.2s; display: inline-block; }

/* ===== RESPONSIVE: TABLET (< 1024px) ===== */
@media (max-width: 1023px) {
  main { padding-left: 16px; padding-right: 16px; }
}

/* ===== RESPONSIVE: MOBILE (< 640px) ===== */
@media (max-width: 639px) {

  /* --- Header --- */
  header { padding: 10px 14px; }
  #header-ext-links { display: none; }
  .h-sep { display: none !important; }
  .header-subtitle { display: none; }

  /* --- Tab bar --- */
  .tab-bar { padding-left: 12px !important; padding-right: 12px !important; }
  .tab-btn { padding: 7px 14px; font-size: 12px; gap: 5px; }

  /* Strip tab-bar save area to just the button */
  .cloud-chip { display: none !important; }
  #sticky-save-time { display: none !important; }
  #sticky-save > div:not([id]) { display: none !important; } /* inline separator */

  /* --- Main content --- */
  main { padding: 10px 10px 16px !important; }

  /* --- Explanation cards --- */
  .card-accent { padding: 14px 12px !important; }
  .card-accent .logo-badge { display: none; } /* reclaim ~52px on mobile */

  /* --- Guide steps --- */
  .guide-step { padding: 10px 11px; }
  .guide-step code { font-size: 10px; word-break: break-all; }

  /* --- Stat cards --- */
  .stat-card { padding: 12px 10px; }

  /* --- Table scroll: smooth iOS touch --- */
  .table-scroll { -webkit-overflow-scrolling: touch; border-radius: 8px; }

  /* Tighter table inputs */
  .table-input { font-size: 12px; padding: 5px 4px; }

  /* --- Buttons --- */
  .add-row-btn { font-size: 12px; padding: 8px 14px; }
  .action-btn { padding: 7px 13px; font-size: 12px; }
  .theme-toggle { padding: 6px 11px; font-size: 11px; }

  /* --- Legend wrap fix --- */
  .legend-wrap { flex-direction: column; gap: 6px; }

  /* --- Toast: full-width on mobile --- */
  #toast { left: 12px; right: 12px; bottom: 16px; max-width: none; }

  /* --- Tooltip: narrower on mobile --- */
  #g-tip { width: 210px; font-size: 11px; }
}