/* =========================================================
   CADENCE — "Broadcast Almanac"
   Cream paper · ink black · signal orange · print-ledger UI
   ========================================================= */

:root{
  --paper:#f4ede0;
  --paper-2:#efe6d6;
  --card:#fbf7ee;
  --ink:#1a1714;
  --ink-soft:#4a443c;
  --ink-faint:#8a8175;
  --line:#d8cdb8;
  --line-soft:#e6ddcc;
  --accent:#e8552a;      /* signal orange */
  --accent-deep:#c1431f;
  --x:#1a1714;           /* X = ink stamp */
  --li:#2f6f8f;          /* linkedin = slate teal */
  --rd:#d4622a;          /* reddit = burnt */
  --ok:#3f7a4f;
  --serif:'Fraunces',Georgia,serif;
  --sans:'Spline Sans',system-ui,sans-serif;
  --mono:'Spline Sans Mono',ui-monospace,monospace;
  --shadow:0 1px 0 #fff inset, 0 2px 0 var(--line), 0 14px 30px -18px rgba(40,30,15,.45);
  --radius:4px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  background-image:
    radial-gradient(1200px 600px at 80% -10%, rgba(232,85,42,.06), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(47,111,143,.07), transparent 60%);
  -webkit-font-smoothing:antialiased;
  line-height:1.5;
}
.grain{
  position:fixed;inset:0;pointer-events:none;z-index:1;opacity:.05;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
a{color:inherit}
::selection{background:var(--accent);color:#fff}

/* ---------- back link ---------- */
.back-link{
  position:fixed;left:18px;bottom:18px;z-index:60;
  font:600 12px/1 var(--mono);letter-spacing:.04em;text-decoration:none;
  background:var(--ink);color:var(--paper);padding:9px 13px;border-radius:999px;
  box-shadow:0 8px 20px -10px rgba(0,0,0,.6);transition:transform .2s,background .2s;
}
.back-link:hover{transform:translateY(-2px);background:var(--accent)}

/* ---------- buttons ---------- */
.btn{
  font:600 14px/1 var(--sans);letter-spacing:.01em;border:none;cursor:pointer;
  padding:12px 20px;border-radius:999px;text-decoration:none;display:inline-flex;
  align-items:center;gap:8px;transition:transform .15s,box-shadow .2s,background .2s,color .2s;
}
.btn:active{transform:translateY(1px)}
.btn--accent{background:var(--accent);color:#fff;box-shadow:0 10px 24px -12px var(--accent-deep)}
.btn--accent:hover{background:var(--accent-deep)}
.btn--ink{background:var(--ink);color:var(--paper)}
.btn--ink:hover{background:#33291f}
.btn--ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.btn--ghost:hover{background:var(--ink);color:var(--paper)}

/* =========================================================
   LANDING
   ========================================================= */
.screen{display:none}
.screen.is-active{display:block;animation:fade .5s ease both}
@keyframes fade{from{opacity:0}to{opacity:1}}

.screen--landing{position:relative;z-index:2;max-width:1180px;margin:0 auto;padding:0 28px 60px}

.landing-nav{display:flex;justify-content:space-between;align-items:center;padding:26px 0;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:baseline;gap:12px}
.brand-mark{font-size:22px;color:var(--accent);transform:translateY(2px)}
.brand-name{font:600 24px/1 var(--serif);letter-spacing:.01em}
.brand-tag{font:500 10px/1 var(--mono);letter-spacing:.18em;color:var(--ink-faint);text-transform:uppercase}
.landing-nav__links{display:flex;align-items:center;gap:26px}
.landing-nav__links a{font:600 14px/1 var(--sans);text-decoration:none;color:var(--ink-soft);transition:color .2s}
.landing-nav__links a:hover{color:var(--accent)}
.landing-nav__links .btn--ink{color:var(--paper)}

.hero{padding:74px 0 40px;max-width:960px}
.hero__kicker{font:500 13px/1 var(--mono);letter-spacing:.22em;text-transform:uppercase;color:var(--accent);margin:0 0 22px}
.hero__title{font:900 clamp(40px,7.5vw,92px)/.98 var(--serif);letter-spacing:-.02em;margin:0;display:flex;flex-direction:column}
.hero__title em{font-style:italic;font-weight:500;color:var(--ink-soft)}
.hero__title-accent{color:var(--accent)}
.hero__lede{font-size:clamp(17px,2vw,20px);color:var(--ink-soft);max-width:640px;margin:30px 0 0}
.hero__lede em{font-family:var(--serif);font-style:italic;color:var(--ink)}
.hero__cta{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.hero__ticker{list-style:none;display:flex;gap:40px;flex-wrap:wrap;margin:54px 0 0;padding:22px 0 0;border-top:1px solid var(--line)}
.hero__ticker li{font:500 14px/1.4 var(--sans);color:var(--ink-faint)}
.hero__ticker strong{display:block;font:600 28px/1 var(--serif);color:var(--ink);margin-bottom:4px}

.features{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:64px}
.feature{background:var(--card);padding:30px 26px 36px}
.feature__no{font:600 13px/1 var(--mono);color:var(--accent);letter-spacing:.1em}
.feature h3{font:600 21px/1.2 var(--serif);margin:16px 0 10px}
.feature p{margin:0;color:var(--ink-soft);font-size:15px}

.landing-foot{display:flex;justify-content:space-between;align-items:center;margin-top:60px;padding-top:22px;border-top:1px solid var(--line);font:500 12px/1 var(--mono);letter-spacing:.06em;color:var(--ink-faint);flex-wrap:wrap;gap:12px}
.landing-foot__set{text-transform:uppercase;letter-spacing:.16em}

/* reveal */
.reveal{opacity:0;transform:translateY(16px);animation:rise .7s cubic-bezier(.2,.8,.2,1) forwards;animation-delay:var(--d,0s)}
@keyframes rise{to{opacity:1;transform:none}}

/* =========================================================
   APP SHELL
   ========================================================= */
.app{display:grid;grid-template-columns:248px 1fr;min-height:100vh;position:relative;z-index:2}
.app.is-active{display:grid}

.rail{
  background:var(--ink);color:var(--paper);padding:26px 20px;display:flex;flex-direction:column;gap:30px;
  position:sticky;top:0;height:100vh;
}
.rail__brand{display:flex;align-items:center;gap:10px;font:600 22px/1 var(--serif);text-decoration:none;color:var(--paper)}
.rail__brand .brand-mark{color:var(--accent)}
.rail__nav{display:flex;flex-direction:column;gap:4px;margin-top:6px}
.rail__nav a{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:var(--radius);text-decoration:none;color:#c9bfae;font:600 15px/1 var(--sans);transition:background .2s,color .2s}
.rail__nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.rail__nav a.is-active{background:var(--accent);color:#fff}
.rail__ico{font-size:15px;width:18px;text-align:center}
.rail__foot{margin-top:auto;display:flex;flex-direction:column;gap:16px}
.rail__user{display:flex;align-items:center;gap:12px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12)}
.avatar{width:38px;height:38px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font:600 14px/1 var(--sans)}
.rail__user-meta{display:flex;flex-direction:column;font-size:13px}
.rail__user-meta strong{font-weight:600}
.rail__user-meta small{color:var(--ink-faint)}
.rail__exit{font:600 12px/1 var(--mono);color:var(--ink-faint);text-decoration:none;letter-spacing:.04em}
.rail__exit:hover{color:var(--accent)}

.work{padding:0;overflow:hidden}
.panel{padding:34px 40px 60px;animation:fade .4s ease both}

.topbar{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap;margin-bottom:28px;padding-bottom:20px;border-bottom:2px solid var(--ink)}
.topbar__eyebrow{margin:0 0 4px;font:600 11px/1 var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--accent)}
.topbar__title{margin:0;font:600 clamp(26px,4vw,38px)/1 var(--serif);letter-spacing:-.01em}
.topbar__tools{display:flex;align-items:center;gap:14px;flex-wrap:wrap}

.seg{display:inline-flex;background:var(--paper-2);border:1px solid var(--line);border-radius:999px;padding:3px}
.seg__btn{border:none;background:transparent;cursor:pointer;font:600 13px/1 var(--sans);padding:8px 14px;border-radius:999px;color:var(--ink-soft);display:inline-flex;align-items:center;gap:7px;transition:background .2s,color .2s}
.seg__btn.is-active{background:var(--ink);color:var(--paper)}
.dot{width:8px;height:8px;border-radius:50%}
.dot--x{background:var(--x)}.dot--li{background:var(--li)}.dot--rd{background:var(--rd)}

/* =========================================================
   CALENDAR
   ========================================================= */
.calendar{display:grid;grid-template-columns:repeat(7,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.day{background:var(--paper);min-height:420px;display:flex;flex-direction:column}
.day__head{padding:12px 12px 10px;border-bottom:1px solid var(--line-soft);display:flex;justify-content:space-between;align-items:baseline}
.day__name{font:600 11px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-faint)}
.day__num{font:600 18px/1 var(--serif)}
.day--today .day__num{color:var(--accent)}
.day--today{background:var(--card)}
.day__slots{padding:10px;display:flex;flex-direction:column;gap:9px;flex:1}

.post{
  background:var(--card);border:1px solid var(--line);border-left:4px solid var(--ink);
  border-radius:var(--radius);padding:10px 11px;cursor:pointer;text-align:left;font:inherit;
  transition:transform .15s,box-shadow .2s,border-color .2s;display:flex;flex-direction:column;gap:6px;
}
.post:hover{transform:translateY(-2px);box-shadow:0 10px 20px -14px rgba(40,30,15,.6)}
.post:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.post--x{border-left-color:var(--x)}
.post--linkedin{border-left-color:var(--li)}
.post--reddit{border-left-color:var(--rd)}
.post__top{display:flex;justify-content:space-between;align-items:center}
.post__plat{font:600 10px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase}
.post--x .post__plat{color:var(--x)}.post--linkedin .post__plat{color:var(--li)}.post--reddit .post__plat{color:var(--rd)}
.post__time{font:500 11px/1 var(--mono);color:var(--ink-faint)}
.post__text{font-size:12.5px;color:var(--ink-soft);line-height:1.35;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post__persona{font:500 10px/1 var(--mono);color:var(--ink-faint);letter-spacing:.04em}
.post.is-hidden{display:none}
.post--draft{border-style:dashed;opacity:.85}
.post--draft .post__plat::after{content:' · draft';color:var(--accent)}
.post--published{border-left-color:var(--ok);opacity:.78}
.post--published .post__plat::after{content:' · published';color:var(--ok)}
.post--published .post__time::before{content:'✓ '}
.post--scheduled .post__plat::after{content:' · scheduled';color:var(--ink-faint)}

.day__add{margin-top:auto;border:1px dashed var(--line);background:transparent;border-radius:var(--radius);padding:8px;cursor:pointer;color:var(--ink-faint);font:600 12px/1 var(--sans);transition:color .2s,border-color .2s}
.day__add:hover{color:var(--accent);border-color:var(--accent)}

/* =========================================================
   PERSONAS
   ========================================================= */
.persona-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:18px}
.persona{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:14px;transition:transform .2s}
.persona:hover{transform:translateY(-3px)}
.persona__head{display:flex;align-items:center;gap:12px}
.persona__avatar{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;font:600 17px/1 var(--serif);color:#fff}
.persona__name{font:600 19px/1.1 var(--serif);margin:0}
.persona__aud{font:500 12px/1 var(--mono);color:var(--ink-faint);letter-spacing:.03em;margin:3px 0 0}
.persona__tone{display:flex;flex-wrap:wrap;gap:6px}
.tag{font:600 11px/1 var(--mono);letter-spacing:.04em;background:var(--paper-2);border:1px solid var(--line);padding:5px 9px;border-radius:999px;color:var(--ink-soft)}
.persona__sample{font-family:var(--serif);font-style:italic;font-size:14px;color:var(--ink-soft);border-left:3px solid var(--accent);padding:4px 0 4px 12px;margin:0}
.persona__foot{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:6px}
.persona__stat{font:500 12px/1 var(--mono);color:var(--ink-faint)}
.persona__edit{font:600 13px/1 var(--sans);color:var(--accent);background:none;border:none;cursor:pointer;padding:0}
.persona__edit:hover{text-decoration:underline}

/* =========================================================
   ANALYTICS
   ========================================================= */
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:22px}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow)}
.kpi__label{font:600 11px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-faint)}
.kpi__val{font:600 34px/1 var(--serif);margin:10px 0 6px}
.kpi__delta{font:600 12px/1 var(--mono)}
.kpi__delta--up{color:var(--ok)}
.kpi__delta--down{color:var(--accent-deep)}

.analytics-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.card--wide{grid-column:1 / -1}
.card__head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:18px}
.card__head h3{margin:0;font:600 18px/1 var(--serif)}
.card__hint{font:500 11px/1 var(--mono);color:var(--ink-faint);letter-spacing:.04em}

.chart{width:100%}
.chart svg{width:100%;height:auto;display:block}
.chart__xlabel{font:500 10px/1 var(--mono);fill:var(--ink-faint)}
.legend{display:flex;gap:22px;margin-top:14px;font:500 12px/1 var(--sans);color:var(--ink-soft);flex-wrap:wrap}
.legend--hm{gap:14px;margin-top:10px}
.legend__scale{display:inline-flex;align-items:center;gap:6px}
.legend__ramp{display:inline-block;width:80px;height:9px;border-radius:2px;background:linear-gradient(to right,rgba(232,85,42,.08),rgba(232,85,42,.93));border:1px solid var(--line)}
.swatch{display:inline-block;width:12px;height:12px;border-radius:2px;margin-right:7px;vertical-align:-1px}
.swatch--ink{background:var(--ink)}.swatch--accent{background:var(--accent)}

.bars{display:flex;flex-direction:column;gap:16px}
.bar-row{display:grid;grid-template-columns:84px 1fr 52px;align-items:center;gap:12px}
.bar-row__label{font:600 13px/1 var(--sans);display:flex;align-items:center;gap:7px}
.bar-track{height:14px;background:var(--paper-2);border-radius:999px;overflow:hidden;border:1px solid var(--line)}
.bar-fill{height:100%;border-radius:999px;transform-origin:left;animation:grow .9s cubic-bezier(.2,.8,.2,1) both}
@keyframes grow{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.bar-row__val{font:600 13px/1 var(--mono);text-align:right;color:var(--ink-soft)}

.heatmap{display:grid;grid-template-columns:48px repeat(12,1fr);gap:4px;font:500 11px/1 var(--mono)}
.hm-cell{aspect-ratio:1.6/1;border-radius:3px;display:grid;place-items:center;color:transparent;font-size:0}
.hm-label{display:flex;align-items:center;color:var(--ink-faint);justify-content:flex-end;padding-right:6px}
.hm-head{display:grid;place-items:center;color:var(--ink-faint);font-size:10px}
.hm-cell:hover{outline:2px solid var(--ink);outline-offset:1px;color:var(--ink);font-size:10px;z-index:2}

/* =========================================================
   MODAL + TOAST
   ========================================================= */
[hidden]{display:none !important}
.modal{position:fixed;inset:0;z-index:80;display:grid;place-items:center;padding:24px}
.modal__scrim{position:absolute;inset:0;background:rgba(26,23,20,.55);backdrop-filter:blur(2px);animation:fade .25s ease both}
.modal__panel{position:relative;background:var(--card);border:1px solid var(--line);border-radius:8px;max-width:520px;width:100%;padding:30px;box-shadow:0 30px 80px -30px rgba(0,0,0,.6);animation:pop .3s cubic-bezier(.2,.9,.2,1) both}
@keyframes pop{from{opacity:0;transform:translateY(20px) scale(.97)}to{opacity:1;transform:none}}
.modal__x{position:absolute;top:16px;right:16px;background:none;border:none;font-size:16px;cursor:pointer;color:var(--ink-faint)}
.modal__x:hover{color:var(--accent)}
.modal__eyebrow{font:600 11px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin:0 0 6px}
.modal__title{font:600 26px/1 var(--serif);margin:0 0 20px}
.composer__row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.composer__row--3{grid-template-columns:1fr 1fr 1fr}
.pm__grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
label{font:600 12px/1.3 var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-faint);display:flex;flex-direction:column;gap:7px}
select,textarea,input[type=text],input[type=time]{font:400 15px/1.45 var(--sans);color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:11px 12px;text-transform:none;letter-spacing:normal}
select:focus,textarea:focus,input:focus{outline:2px solid var(--accent);outline-offset:0;border-color:var(--accent)}
textarea{resize:vertical}
.composer__body{margin-bottom:14px}
.composer__ai{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.composer__count{font:600 13px/1 var(--mono);color:var(--ink-faint)}
.modal__actions{display:flex;justify-content:flex-end;gap:12px}

.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);z-index:90;background:var(--ink);color:var(--paper);padding:13px 22px;border-radius:999px;font:600 14px/1 var(--sans);opacity:0;transition:opacity .3s,transform .3s;box-shadow:0 14px 30px -14px rgba(0,0,0,.6)}
.toast.is-show{opacity:1;transform:translateX(-50%) translateY(0)}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media(max-width:1080px){
  .analytics-grid{grid-template-columns:1fr}
  .kpis{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:900px){
  .app{grid-template-columns:1fr}
  .rail{position:static;height:auto;flex-direction:row;align-items:center;gap:18px;flex-wrap:wrap}
  .rail__nav{flex-direction:row;margin:0}
  .rail__foot{margin:0 0 0 auto}
  .rail__user{border:none;padding:0}
  .calendar{grid-template-columns:repeat(2,1fr)}
  .features{grid-template-columns:1fr}
}
@media(max-width:620px){
  .landing-nav__links a:not(.btn){display:none}
  .calendar{grid-template-columns:1fr}
  .day{min-height:auto}
  .composer__row{grid-template-columns:1fr}
  .heatmap{grid-template-columns:40px repeat(12,1fr);font-size:0}
  .panel{padding:24px 18px 50px}
}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001s!important;transition-duration:.001s!important}
}