/* ============================================================================
   tool-kit.css: the shared frame for every Strategic Student tool.
   Plumbing only: page flow, inputs, answer states, actions, mobile answer bar,
   print. Each tool brings its own signature visual and personality on top.
   Type floor: 14px (.875rem). No pill shapes. Loaded after app.css/extra.css.
   ========================================================================== */

/* ----- Page head ---------------------------------------------------------- */
.tk-head{max-width:72ch;margin-bottom:clamp(20px,3vw,30px)}
.tk-head h1{margin:.35rem 0 .5rem;text-wrap:balance}
.tk-head .tk-q{font-size:clamp(1.06rem,2vw,1.2rem);line-height:1.5;color:var(--ink-2);margin:0;max-width:62ch}

/* ----- Two-column workspace ----------------------------------------------
   Desktop: inputs left (sticky while the answer scrolls), answer right, both
   starting at the same height so the answer is on screen as you type.
   Under 1024px: stacked, with the mobile answer bar (below).             */
.tk-grid{display:grid;grid-template-columns:minmax(300px,5fr) 7fr;gap:clamp(20px,2.6vw,32px);align-items:start}
.tk-grid.tk-wide-in{grid-template-columns:6fr 6fr}
.tk-grid.tk-stack{grid-template-columns:1fr}
@media(max-width:1023px){.tk-grid,.tk-grid.tk-wide-in{grid-template-columns:1fr}}
.tk-inputs{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);padding:clamp(18px,2.4vw,26px)}
/* Desktop: the two columns share a top and a bottom edge. The inputs card
   stretches to the answer column's height and its contents stay pinned while
   the answer scrolls; when the inputs are taller, the answer's main card
   grows to meet them. */
@media(min-width:1024px){
  .tk-grid:not(.tk-stack){align-items:stretch}
  .tk-inputs.tk-sticky > .tk-inputs-in{position:sticky;top:84px}
  .tk-answer > .tk-empty:not([hidden]){flex:1 1 auto;display:flex;flex-direction:column;justify-content:center}
  .tk-answer > :has(.tk-verdict):not([hidden]){flex:1 1 auto}
  .tk-answer > :has(.tk-verdict) > .tk-verdict,.tk-answer > .tk-verdict{flex:1 1 auto}
}
/* every card in the answer column gets the same breathing room, however
   deeply a tool nests its result block */
.tk-answer > :has(.tk-verdict){display:flex;flex-direction:column;gap:18px;min-width:0}
.tk-answer > :has(.tk-verdict)[hidden]{display:none}
.tk-answer > :has(.tk-verdict) > *,.tk-answer > *{margin-top:0!important;margin-bottom:0!important}
.tk-inputs > h2,.tk-inputs-in > h2,.tk-answer > h2{font-family:var(--font-display);font-size:1.15rem;margin:0 0 14px}
.tk-answer{min-width:0;display:flex;flex-direction:column;gap:18px}

/* ----- Example banner ----------------------------------------------------- */
.tk-example{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:10px 14px;border:1.5px dashed var(--line-2);border-radius:var(--r-xs);background:var(--paper-2);font-size:.95rem;color:var(--ink-2);margin-bottom:16px}
.tk-example b{color:var(--ink)}
.tk-example[hidden]{display:none}
.tk-example button{font:inherit;font-weight:800;color:var(--teal-deep);background:none;border:0;padding:10px 4px;min-height:44px;cursor:pointer;text-decoration:underline;text-underline-offset:3px}

/* ----- Fields ------------------------------------------------------------- */
.tk-fields{display:flex;flex-direction:column;gap:18px}
.tk-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:480px){.tk-row{grid-template-columns:1fr}}
.tk-field{display:flex;flex-direction:column;gap:6px;min-width:0}
.tk-field > label,.tk-field > .tk-label{font-weight:800;font-size:1rem;line-height:1.3;color:var(--ink)}
.tk-hint{font-size:.875rem;color:var(--ink-2);line-height:1.45;margin:0}
.tk-input{display:flex;align-items:stretch;border:1.5px solid #8F8571;border-radius:var(--r-xs);background:#fff;overflow:hidden;transition:border-color var(--t-fast)}
.tk-input:focus-within{border-color:var(--teal)}
.tk-input input,.tk-input select,.tk-input textarea{flex:1;min-width:0;font:inherit;font-size:1.05rem;font-variant-numeric:tabular-nums;color:var(--ink);background:transparent;border:0;padding:11px 14px;min-height:48px}
.tk-input input:focus-visible,.tk-input select:focus-visible,.tk-input textarea:focus-visible{outline:none}
.tk-input .tk-unit{display:flex;align-items:center;padding:0 14px;font-size:.95rem;font-weight:700;color:var(--ink-2);background:var(--paper-2);border-left:1px solid var(--line)}
.tk-input textarea{resize:vertical;min-height:96px;line-height:1.5}
.tk-field.is-invalid .tk-input{border-color:var(--red)}
.tk-err{font-size:.9rem;font-weight:700;color:var(--red-ink);margin:0}
.tk-err:empty{display:none}

/* segmented choice (buttons with aria-pressed) */
.tk-seg{display:flex;flex-wrap:wrap;gap:8px}
.tk-seg button{font:inherit;font-weight:800;font-size:.95rem;min-height:44px;min-width:44px;padding:8px 14px;border-radius:10px;border:1.5px solid var(--line-2);background:#fff;color:var(--ink);cursor:pointer;transition:background var(--t-fast),border-color var(--t-fast),color var(--t-fast)}
.tk-seg button:hover{border-color:var(--teal);background:var(--teal-tint)}
.tk-seg button[aria-pressed="true"]{background:var(--teal-deep);border-color:var(--teal-deep);color:#fff}
.tk-seg.tk-seg-fill button{flex:1 1 0}

/* stepper */
.tk-step{display:inline-flex;align-items:stretch;border:1.5px solid var(--line-2);border-radius:var(--r-xs);overflow:hidden;background:#fff}
.tk-step button{width:48px;min-height:48px;border:0;background:var(--paper-2);color:var(--teal-deep);font-size:1.3rem;font-weight:800;cursor:pointer}
.tk-step button:hover{background:var(--teal-soft)}
.tk-step input{width:84px;text-align:center;font:inherit;font-size:1.1rem;font-weight:800;font-variant-numeric:tabular-nums;border:0;border-inline:1px solid var(--line)}

/* presets */
.tk-presets{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.tk-presets > span{font-size:.9rem;font-weight:800;color:var(--ink-2);margin-right:2px}
.tk-presets button{font:inherit;font-size:.9rem;font-weight:700;min-height:44px;padding:8px 13px;border-radius:10px;border:1.5px solid var(--line);background:var(--paper);color:var(--teal-deep);cursor:pointer}
.tk-presets button:hover{border-color:var(--teal);background:#fff}

/* range */
.tk-range{width:100%;accent-color:var(--teal-deep);height:36px;cursor:pointer}

/* ----- Answer card -------------------------------------------------------- */
.tk-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);padding:clamp(18px,2.6vw,28px)}
.tk-verdict{border-left:6px solid var(--line-2)}
.tk-verdict[data-tone="ok"]{border-left-color:var(--green)}
.tk-verdict[data-tone="watch"]{border-left-color:var(--amber)}
.tk-verdict[data-tone="act"]{border-left-color:var(--orange)}
.tk-verdict[data-tone="urgent"]{border-left-color:var(--red)}
.tk-verdict[data-tone="info"]{border-left-color:var(--teal)}
.tk-verdict[data-tone="none"]{border-left-color:var(--line-2);border-style:dashed;border-left-style:solid}

/* status label: square-cornered, never a pill */
.tk-status{display:inline-flex;align-items:center;gap:7px;font-weight:800;font-size:.9rem;letter-spacing:.02em;padding:5px 10px;border-radius:6px;background:var(--paper-2);color:var(--ink);border:1px solid var(--line)}
.tk-status::before{content:"";width:9px;height:9px;border-radius:2px;background:currentColor;opacity:.85}
.tk-status[data-tone="ok"]{background:var(--green-bg);color:var(--green-ink);border-color:var(--green-line)}
.tk-status[data-tone="watch"]{background:var(--amber-bg);color:var(--amber-ink);border-color:var(--amber-line)}
.tk-status[data-tone="act"]{background:var(--orange-bg);color:var(--orange-ink);border-color:#F8C9A3}
.tk-status[data-tone="urgent"]{background:var(--red-bg);color:var(--red-ink);border-color:var(--red-line)}
.tk-status[data-tone="info"]{background:var(--teal-tint);color:var(--teal-deep);border-color:var(--teal-soft)}
.tk-status[data-tone="none"]{background:var(--paper);color:var(--ink-2)}

.tk-headline{font-family:var(--font-display);font-weight:800;font-size:clamp(1.3rem,2.4vw,1.65rem);line-height:1.25;letter-spacing:-.01em;color:var(--ink);margin:12px 0 0;text-wrap:balance}
.tk-sub{font-size:1rem;line-height:1.6;color:var(--ink-2);margin:10px 0 0;max-width:62ch}
.tk-big{font-family:var(--font-display);font-weight:900;font-size:clamp(2.4rem,6vw,3.4rem);line-height:1;letter-spacing:-.03em;font-variant-numeric:tabular-nums;color:var(--teal-deep)}
.tk-big small{font-size:.42em;font-weight:800;letter-spacing:0;color:var(--ink-2);margin-left:6px}

/* key numbers row */
.tk-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-top:18px}
.tk-stat{padding:14px 16px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--paper-2)}
.tk-stat b{display:block;font-family:var(--font-display);font-weight:900;font-size:1.6rem;line-height:1.1;font-variant-numeric:tabular-nums;color:var(--ink)}
.tk-stat span{display:block;font-size:.9rem;line-height:1.4;color:var(--ink-2);margin-top:4px}

/* empty and invalid states (no verdict shown) */
.tk-empty{border:1.5px dashed var(--line-2);border-radius:var(--r);background:var(--paper-2);padding:clamp(22px,3vw,32px);text-align:center}
.tk-empty h3{font-size:1.15rem;margin:0 0 6px}
.tk-empty p{font-size:1rem;color:var(--ink-2);margin:0 auto;max-width:46ch}
.tk-empty[data-kind="invalid"]{border-color:var(--red-line);background:var(--red-bg)}
.tk-empty[data-kind="invalid"] h3{color:var(--red-ink)}
[hidden]{display:none!important}

/* next step */
.tk-next{border:1px solid var(--line);border-left:6px solid var(--gold);border-radius:var(--r-sm);background:var(--gold-soft);padding:16px 18px}
.tk-next h3{font-family:var(--font-body);font-size:.95rem;font-weight:800;color:var(--gold-ink);margin:0 0 6px}
.tk-next p{font-size:1rem;line-height:1.6;color:var(--ink);margin:0}
.tk-next a{font-weight:800;color:var(--teal-deep)}

/* keep in mind */
.tk-keep h3{font-size:1rem;margin:0 0 8px}
.tk-keep ul{margin:0;padding-left:1.2em}
.tk-keep li{font-size:.95rem;line-height:1.55;color:var(--ink-2);margin:0 0 6px}

/* actions: copy summary, copy link, print */
.tk-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.tk-actions button{display:inline-flex;align-items:center;gap:7px;font:inherit;font-weight:800;font-size:.9rem;min-height:44px;padding:8px 14px;border-radius:10px;border:1.5px solid var(--line-2);background:#fff;color:var(--teal-deep);cursor:pointer}
.tk-actions button:hover{border-color:var(--teal);background:var(--teal-tint)}
.tk-actions button svg{width:17px;height:17px}
.tk-actions .tk-done{color:var(--green-ink);border-color:var(--green-line);background:var(--green-bg)}

/* how this works */
.tk-method{border:1px solid var(--line);border-radius:var(--r);background:#fff;overflow:hidden}
.tk-method summary{cursor:pointer;list-style:none;padding:16px 20px;min-height:52px;font-family:var(--font-display);font-weight:800;font-size:1.05rem;display:flex;align-items:center;justify-content:space-between;gap:10px}
.tk-method summary::-webkit-details-marker{display:none}
.tk-method summary::after{content:"+";font-size:1.4rem;color:var(--teal-deep);transition:transform var(--t-fast)}
.tk-method[open] summary::after{transform:rotate(45deg)}
.tk-method .tk-mb{padding:0 20px 20px;font-size:.95rem;line-height:1.65;color:var(--ink-2)}
.tk-method .tk-mb p{margin:0 0 10px;max-width:none}
.tk-method .tk-mb ul{margin:0 0 10px;padding-left:1.2em}

/* charts: honest minimums. SVG text inside tool charts must render at 14px
   or more on screen; use a viewBox sized to the container, not a fixed 800w. */
.tk-chart svg text{font-family:var(--font-body)}

/* ----- Mobile answer bar ------------------------------------------------- */
.tk-bar{position:fixed;left:0;right:0;bottom:0;z-index:290;display:none;align-items:center;gap:12px;padding:10px 14px calc(10px + env(safe-area-inset-bottom,0px));background:#fff;border-top:1px solid var(--line-2);box-shadow:0 -8px 24px rgba(35,38,52,.12);cursor:pointer;font:inherit;width:100%;text-align:left;color:var(--ink)}
.tk-bar .tk-status{flex:0 0 auto}
.tk-bar .tk-bar-t{flex:1;min-width:0;font-weight:800;font-size:1rem;line-height:1.3;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tk-bar .tk-bar-go{flex:0 0 auto;font-weight:800;font-size:.9rem;color:var(--teal-deep)}
@media(max-width:1023px){body.tk-bar-on .tk-bar{display:flex}body.tk-bar-on{padding-bottom:76px}html:has(body.tk-bar-on){scroll-padding-bottom:96px}}

/* ----- Print: the answer, what was entered, the method ------------------ */
.tk-print-only{display:none}
.tk-print-entered{white-space:pre-line;font-size:11pt;line-height:1.5;border:1px solid #ccc;border-radius:6px;padding:10px 12px;margin:0 0 14px}
@media print{
  .tk-print-only{display:block}
  .tk-inputs,.tk-example,.tk-presets,.tk-bar,.tk-actions{display:none!important}
  .tk-grid{display:block}
  .tk-method{border:0}
  .tk-method:not([open]) .tk-mb{display:block}
  .tk-card,.tk-next,.tk-stat{break-inside:avoid}
}

/* ----- More tools (end of page) ---------------------------------------- */
.tk-more{margin-top:clamp(36px,5vw,56px)}
.tk-more > h2{font-family:var(--font-display);font-size:clamp(1.2rem,2.2vw,1.45rem);margin:0 0 14px}
.tk-more-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:860px){.tk-more-grid{grid-template-columns:1fr}}
.tk-more-grid a{display:flex;flex-direction:column;gap:4px;padding:16px 18px;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;box-shadow:var(--sh-sm);text-decoration:none;color:var(--ink);transition:border-color var(--t-fast),transform var(--t-fast) var(--ease)}
.tk-more-grid a:hover{border-color:var(--teal);transform:translateY(-2px)}
.tk-more-grid b{font-family:var(--font-display);font-size:1.05rem}
.tk-more-grid span{font-size:.95rem;line-height:1.45;color:var(--ink-2)}
@media print{.tk-more{display:none}}