/*
 * puttbook.css — Graybeard's PuttBook page styles
 * Design tokens live in theme.css — do not duplicate variables here.
 */

/* ── Header (mirrors yardbook.css) ──────────────────────────────────────── */
header {
  background: var(--hdr); border-bottom: 1px solid var(--hdr-border);
  padding: 0 20px; display: flex; align-items: center; gap: 16px;
  position: sticky; top: 0; z-index: 100; height: 64px;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  flex-shrink: 0; user-select: none; text-decoration: none;
}
.logo-mark  { width: 24px; height: 32px; color: var(--green); flex-shrink: 0; }
.logo-name  { font-size: 1.3rem; font-weight: 800; color: var(--t1); letter-spacing: -.03em; line-height: 1; }
.logo-sub   { font-size: .68rem; font-weight: 700; color: var(--green-text); letter-spacing: .12em; text-transform: uppercase; line-height: 1; margin-top: 2px; }
.main-nav   { display: flex; gap: 4px; }
.nav-link   { font-size: .84rem; font-weight: 500; color: var(--t2); text-decoration: none; padding: 6px 10px; border-radius: 8px; transition: background .14s, color .14s; }
.nav-link:hover  { background: var(--nav-active); color: var(--t1); }
.nav-link.active { background: var(--nav-active); color: var(--t1); font-weight: 600; }
.hdr-right  { display: flex; align-items: center; gap: 8px; margin-left: auto; }
/* iOS-style theme toggle — matches yardbook header */
.theme-toggle-btn {
  background: var(--surface2);
  border: 1px solid var(--border); border-radius: 50%;
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--t2); padding: 0; flex-shrink: 0;
  transition: background .15s, color .15s, border-color .15s;
}
.theme-toggle-btn:hover { background: var(--nav-active); color: var(--t1); border-color: var(--t3); }
.theme-toggle-btn svg   { display: block; }

/* Shared button styles — mirrors yardbook.css */
.mob-view-btn {
  background: var(--surface2); border: 1px solid var(--border); border-radius: 8px;
  color: var(--t2); cursor: pointer; padding: 5px 12px; font-size: .78rem;
  font-family: inherit; font-weight: 600; text-decoration: none;
  display: inline-flex; align-items: center; gap: 4px;
  transition: background .15s, color .15s, border-color .15s; white-space: nowrap;
}
.mob-view-btn:hover { background: var(--nav-active); color: var(--t1); border-color: var(--t3); }

.export-btn {
  background: var(--accent-lo); border: 1px solid var(--accent); border-radius: 8px;
  color: var(--accent); cursor: pointer; padding: 5px 12px; font-size: .78rem;
  font-family: inherit; font-weight: 600;
  transition: background .15s, color .15s; white-space: nowrap;
}
.export-btn:hover:not(:disabled) { background: var(--accent); color: #fff; }
.export-btn:disabled { opacity: .5; cursor: not-allowed; }

/* ── Layout ──────────────────────────────────────────────────────────────── */
main {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 14px;
  padding: 14px;
  max-width: 1600px;
  margin: 0 auto;
  align-items: start;
}

/* ── Panel ───────────────────────────────────────────────────────────────── */
.panel {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; overflow: hidden;
}
.panel-hdr {
  display: flex; align-items: center; justify-content: space-between;
  padding: 11px 14px; border-bottom: 1px solid var(--border);
}
.panel-title { font-size: .9rem; font-weight: 700; letter-spacing: .01em; }
.panel-sub   { margin-top: 12px; }

/* ── Stimp selector ──────────────────────────────────────────────────────── */
.stimp-section { padding: 10px 14px 12px; }

.stimp-label {
  font-size: .68rem; font-weight: 700; color: var(--t3);
  text-transform: uppercase; letter-spacing: .07em;
  margin-bottom: 7px;
}

.stimp-btns {
  display: flex; gap: 5px; flex-wrap: wrap; margin-bottom: 8px;
}
.stimp-btn {
  flex: 1; min-width: 36px;
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 8px; color: var(--t2);
  cursor: pointer; padding: 5px 4px; text-align: center;
  font-size: .82rem; font-weight: 600; font-family: inherit;
  transition: background .13s, border-color .13s, color .13s;
}
.stimp-btn:hover  { background: var(--nav-active); color: var(--t1); }
.stimp-btn.active {
  background: var(--green-lo); border-color: var(--green);
  color: var(--green-text); font-weight: 700;
}

.stimp-manual-row {
  display: flex; align-items: center; gap: 6px; margin-top: 6px;
}
.stimp-manual-lbl { font-size: .72rem; color: var(--t3); }
.stimp-manual-inp {
  width: 62px; background: var(--surface2); border: 1px solid var(--border);
  border-radius: 7px; color: var(--t1); font-family: inherit;
  font-size: .84rem; font-weight: 600; padding: 3px 7px; text-align: center;
}
.stimp-manual-inp:focus { outline: none; border-color: var(--green); }

.mu-row {
  display: flex; align-items: center; gap: 5px; margin-top: 8px;
  padding-top: 8px; border-top: 1px solid var(--border);
}
.mu-lbl   { font-size: .72rem; color: var(--t3); }
.mu-val   { font-size: .84rem; font-weight: 700; color: var(--accent); font-family: monospace; }
.mu-eq    { font-size: .68rem; color: var(--t3); margin-left: auto; }

/* ── Calibration panel ───────────────────────────────────────────────────── */
.calib-section { padding: 10px 14px 12px; display: flex; flex-direction: column; gap: 8px; }

.calib-row {
  display: flex; align-items: center; gap: 7px;
}
.calib-lbl {
  font-size: .74rem; font-weight: 600; color: var(--t2);
  min-width: 80px; flex-shrink: 0;
}
.calib-inp {
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 7px; color: var(--t1); font-family: inherit;
  font-size: .86rem; font-weight: 600; padding: 4px 7px;
  text-align: right; width: 70px;
  transition: border-color .15s;
}
.calib-inp:focus { outline: none; border-color: var(--green); }
/* Remove spinners */
.calib-inp::-webkit-inner-spin-button,
.calib-inp::-webkit-outer-spin-button { -webkit-appearance: none; }
.calib-inp { -moz-appearance: textfield; }

.calib-unit { font-size: .72rem; color: var(--t3); font-weight: 600; }

.calib-note { font-size: .68rem; color: var(--t3); font-style: italic; }

.my-stroke-row {
  background: var(--green-lo);
  border: 1px solid var(--green);
  border-radius: 8px;
  padding: 6px 9px;
}
.my-stroke-row .calib-lbl { color: var(--green-text); }

/* ── Zero Putt Calculator ────────────────────────────────────────────────── */
.zero-section { padding: 10px 14px 12px; }

.zero-slope-row {
  display: flex; align-items: center; gap: 7px; margin-bottom: 10px;
}
.zero-slope-lbl { font-size: .74rem; font-weight: 600; color: var(--t2); min-width: 80px; }
.zero-slope-inp {
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 7px; color: var(--t1); font-family: inherit;
  font-size: .86rem; font-weight: 600; padding: 4px 7px;
  text-align: right; width: 62px;
  transition: border-color .15s;
}
.zero-slope-inp:focus { outline: none; border-color: var(--accent); }
.zero-slope-inp::-webkit-inner-spin-button,
.zero-slope-inp::-webkit-outer-spin-button { -webkit-appearance: none; }
.zero-slope-inp { -moz-appearance: textfield; }

.zero-results { display: flex; flex-direction: column; gap: 5px; }

.zero-result-row {
  display: flex; align-items: center; gap: 8px;
  background: var(--surface2); border-radius: 8px; padding: 6px 10px;
}
.zero-dir-lbl { font-size: .74rem; font-weight: 700; min-width: 58px; }
.zero-dir-lbl.up   { color: var(--accent); }
.zero-dir-lbl.down { color: var(--danger); }
.zero-result-val {
  font-size: .88rem; font-weight: 700; color: var(--t1); margin-left: auto;
  font-family: monospace;
}
.zero-hint {
  font-size: .68rem; color: var(--t3); padding-top: 4px;
  border-top: 1px solid var(--border); margin-top: 2px;
  font-style: italic;
}

/* ── Units panel ──────────────────────────────────────────────────────────── */
.units-section { padding: 10px 14px 12px; display: flex; flex-direction: column; gap: 8px; }

.unit-row  { display: flex; align-items: center; gap: 7px; }
.unit-lbl  { font-size: .72rem; font-weight: 600; color: var(--t3); text-transform: uppercase; letter-spacing: .06em; min-width: 58px; }
.unit-grp  { display: flex; gap: 5px; }
.unit-btn  {
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 7px; color: var(--t2); cursor: pointer;
  padding: 4px 12px; font-size: .78rem; font-weight: 500;
  font-family: inherit; transition: all .13s;
}
.unit-btn:hover  { background: var(--nav-active); color: var(--t1); }
.unit-btn.active {
  background: var(--accent-lo); border-color: var(--accent);
  color: var(--accent); font-weight: 700;
}

/* ── Matrix panel ────────────────────────────────────────────────────────── */
.pb-matrix-panel { overflow: visible; }

.pb-matrix-scroll {
  overflow-x: auto;
  overflow-y: auto;
  max-height: calc(100vh - 130px);
}

/* Matrix table */
.pb-tbl {
  border-collapse: collapse;
  font-size: .76rem;
  min-width: max-content;
}

.pb-tbl thead { position: sticky; top: 0; z-index: 10; }

/* Distance column header */
.pb-th-dist {
  font-size: .63rem; font-weight: 700; color: var(--t3);
  text-transform: uppercase; letter-spacing: .07em;
  padding: 8px 10px; text-align: center;
  min-width: 48px; width: 48px;
  border-right: 2px solid var(--sep);
  background: var(--surface);
  position: sticky; left: 0; z-index: 11;
}

/* Slope column headers */
.pb-th-slope {
  min-width: 54px; width: 54px;
  height: 40px;
  vertical-align: middle;
  padding: 4px 4px;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,.12);
}
.pb-th-slope:last-child { border-right: none; }

.pb-slope-lbl {
  font-size: .76rem; font-weight: 700;
  white-space: nowrap; letter-spacing: .01em;
  display: inline-block;
}

/* Body */
.pb-tbl tbody tr { border-bottom: 1px solid var(--border); }
.pb-tbl tbody tr:last-child { border-bottom: none; }

/* Sticky distance label */
.pb-td-dist {
  font-size: .73rem; font-weight: 600; color: var(--t2);
  padding: 2px 8px; text-align: center;
  border-right: 2px solid var(--sep);
  background: var(--surface);
  position: sticky; left: 0; z-index: 1;
  white-space: nowrap;
}
.pb-ref-dist {
  font-weight: 800; color: var(--t1);
  background: var(--surface2);
  border-top: 1px solid var(--sep);
  border-bottom: 1px solid var(--sep);
}

/* Data cells */
.pb-td-cell {
  padding: 2px 4px; text-align: center;
  border-right: 1px solid var(--border);
  background: var(--surface);
  height: 22px; min-width: 54px;
  font-size: .75rem;
}
.pb-td-cell:last-child { border-right: none; }

/* Baseline reference cell (e.g. 10ft flat = 23.0cm) */
.pb-ref-cell {
  background: #1a7c36 !important;
  color: #fff !important;
  font-weight: 800 !important;
  font-size: .78rem !important;
}

/* Zero stroke row (per column) — uses inline column color via JS */
.pb-zero-row { font-weight: 800 !important; }

/* Mid stroke row (1.5×) — purple */
.pb-mid-row {
  background: rgba(175,82,222,.70) !important;
  color: #fff !important;
  font-weight: 800 !important;
}

/* Double stroke row — consistent blue regardless of slope column */
.pb-dbl-row {
  background: rgba(90,200,250,.70) !important;
  color: #000 !important;
  font-weight: 800 !important;
}

/* Max stroke exceeded — needs velocity not length */
.pb-max-exceeded {
  background: rgba(255,69,58,.55) !important;
  color: #fff !important;
  font-weight: 700 !important;
}

/* Impossible cell */
.pb-impossible {
  color: var(--t3) !important;
  font-style: italic;
}

/* Alternating row shade */
.pb-tbl tbody tr:nth-child(even) .pb-td-cell { background: var(--surface2); }

/* ── Right column wrapper (matrix + legend stacked) ─────────────────────── */
.pb-right-col {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

/* ── Notes legend panel ──────────────────────────────────────────────────── */
.pb-notes {
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.pb-note {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .78rem;
  color: var(--t2);
  line-height: 1.5;
}

.pb-note strong { color: var(--t1); }
.pb-note em     { font-style: italic; color: var(--t1); }

.pb-note-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 3px;
  box-shadow: 0 0 0 2px rgba(0,0,0,.2);
}