/* =========================================================================
   TRENER — industrialny notatnik siłowy.
   Ciemna hala, kredowe litery, jeden akcent w kolorze lampy sodowej.
   ========================================================================= */

:root {
  --ink:        #0a0b0d;
  --ink-2:      #101216;
  --panel:      #15181d;
  --panel-2:    #1b1f26;
  --line:       #262b33;
  --line-soft:  #1e222a;
  --chalk:      #eceae4;
  --muted:      #878d99;
  --dim:        #5b6270;

  --amber:      #ff7a18;
  --amber-dim:  #b8560f;
  --steel:      #6ea8fe;
  --green:      #74d68a;
  --red:        #ef5350;

  --r:   4px;
  --r-lg: 8px;
  --pad: 18px;

  --font-display: "Archivo Black", "Arial Black", "Helvetica Neue", sans-serif;
  --font-body: "Familjen Grotesk", "Segoe UI", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--ink);
  color: var(--chalk);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior-y: none;
}

/* ziarno + siatka hali: tło ma fakturę, nie jest płaskim prostokątem */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.022) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.022) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at 50% 0%, #000 0%, transparent 78%);
}
body::after {
  content: "";
  position: fixed;
  inset: -50%;
  pointer-events: none;
  z-index: 0;
  opacity: .035;
  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='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)'/%3E%3C/svg%3E");
}

#app, #view-login, #gym { position: relative; z-index: 1; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -.01em;
  margin: 0;
  text-transform: uppercase;
}
h1 { font-size: 1.5rem; }
h2 { font-size: 1.05rem; letter-spacing: .04em; }
h3 { font-size: .82rem; letter-spacing: .12em; color: var(--muted); }

a { color: var(--amber); }
button { font-family: inherit; }

.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* ---------------------------------------------------------------- logowanie */

#view-login {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-card { width: min(420px, 100%); }
.login-mark {
  font-family: var(--font-display);
  font-size: clamp(3rem, 17vw, 5.5rem);
  line-height: .86;
  letter-spacing: -.03em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.login-mark span { display: block; }
.login-mark span:last-child {
  color: transparent;
  -webkit-text-stroke: 1.5px var(--amber);
  margin-left: .18em;
}
.login-sub {
  color: var(--muted);
  font-size: .92rem;
  border-left: 2px solid var(--amber);
  padding-left: 12px;
  margin: 22px 0 30px;
  max-width: 34ch;
}

/* ------------------------------------------------------------- formularze */

input, textarea, select {
  width: 100%;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--r);
  color: var(--chalk);
  padding: 13px 14px;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color .15s, box-shadow .15s;
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--amber);
  box-shadow: 0 0 0 3px rgba(255,122,24,.13);
}
input[type="number"] { font-family: var(--font-mono); }
label {
  display: block;
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 6px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px 18px;
  border: 1px solid var(--amber);
  border-radius: var(--r);
  background: var(--amber);
  color: #140a02;
  font-family: var(--font-display);
  font-size: .82rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform .08s, filter .15s, background .15s;
}
.btn:hover { filter: brightness(1.1); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.ghost { background: transparent; color: var(--chalk); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--muted); }
.btn.small { width: auto; padding: 9px 14px; font-size: .7rem; }
.btn.danger { background: transparent; border-color: var(--red); color: var(--red); }

/* --------------------------------------------------------------- szkielet */

#app { display: none; padding-bottom: 92px; }
#app.on { display: block; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 16px var(--pad) 12px;
  background: linear-gradient(180deg, var(--ink) 72%, transparent);
  backdrop-filter: blur(6px);
}
.topbar .brand {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: -.01em;
  font-size: 1.02rem;
}
.topbar .brand em { color: var(--amber); font-style: normal; }
.topbar .meta { font-family: var(--font-mono); font-size: .7rem; color: var(--dim); }

main { padding: 0 var(--pad) 20px; max-width: 720px; margin: 0 auto; }
section.tab { display: none; animation: rise .3s cubic-bezier(.2,.7,.3,1) both; }
section.tab.on { display: block; }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } }

.stack > * + * { margin-top: 14px; }

.card {
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  padding: 16px;
}
.card.flush { padding: 0; overflow: hidden; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--dim);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.eyebrow::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}

.muted { color: var(--muted); }
.tiny { font-size: .78rem; }

/* --------------------------------------------------------------- nawigacja */

nav.tabs {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 40;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: rgba(12,13,16,.92);
  backdrop-filter: blur(14px);
  border-top: 1px solid var(--line);
  padding-bottom: env(safe-area-inset-bottom);
}
nav.tabs button {
  background: none;
  border: 0;
  border-top: 2px solid transparent;
  color: var(--dim);
  padding: 12px 4px 14px;
  font-size: .64rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color .15s, border-color .15s;
}
nav.tabs button .ico { display: block; font-size: 1.15rem; margin-bottom: 3px; }
nav.tabs button.on { color: var(--chalk); border-top-color: var(--amber); }

/* ------------------------------------------------------------------- dziś */

.hero-day {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 100% at 100% 0%, rgba(255,122,24,.13), transparent 62%),
    var(--panel);
  padding: 20px;
  overflow: hidden;
}
.hero-day::after {
  content: "";
  position: absolute;
  right: -30px; top: -30px;
  width: 140px; height: 140px;
  border: 1px solid rgba(255,122,24,.16);
  border-radius: 50%;
}
.hero-date {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--amber);
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 7vw, 2.3rem);
  line-height: 1.02;
  text-transform: uppercase;
  margin: 8px 0 4px;
}
.hero-sub { color: var(--muted); font-size: .88rem; }

.exlist { list-style: none; margin: 16px 0 0; padding: 0; }
.exlist li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 0;
  border-top: 1px solid var(--line-soft);
}
.exlist li .n {
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--dim);
  min-width: 22px;
}
.exlist li .nm { flex: 1; }
.exlist li .pr {
  font-family: var(--font-mono);
  font-size: .82rem;
  color: var(--amber);
  white-space: nowrap;
}
.exlist li .prev { display: block; font-size: .68rem; color: var(--dim); }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(96px, 1fr)); gap: 1px; background: var(--line-soft); border: 1px solid var(--line-soft); border-radius: var(--r-lg); overflow: hidden; }
.stat { background: var(--panel); padding: 13px 12px; }
.stat .k { font-size: .6rem; letter-spacing: .14em; text-transform: uppercase; color: var(--dim); }
.stat .v { font-family: var(--font-mono); font-size: 1.35rem; margin-top: 3px; }
.stat .v.warn { color: var(--amber); }
.stat .v.bad { color: var(--red); }
.stat .v.good { color: var(--green); }

.flag {
  display: flex;
  gap: 10px;
  font-size: .84rem;
  padding: 10px 12px;
  border-left: 2px solid var(--amber);
  background: rgba(255,122,24,.06);
  border-radius: 0 var(--r) var(--r) 0;
}
.flag + .flag { margin-top: 8px; }

/* ------------------------------------------------------------------- plan */

.week { display: grid; gap: 10px; }
.day {
  display: grid;
  grid-template-columns: 58px 1fr;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--panel);
  transition: border-color .15s, transform .1s;
}
.day:hover { border-color: var(--line); }
.day .rail {
  background: var(--panel-2);
  border-right: 1px solid var(--line-soft);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 12px 4px;
  gap: 2px;
}
.day .rail .wd { font-size: .58rem; letter-spacing: .12em; text-transform: uppercase; color: var(--dim); }
.day .rail .dd { font-family: var(--font-mono); font-size: 1.3rem; }
.day .body { padding: 12px 14px; min-width: 0; }
.day .body .t { font-family: var(--font-display); text-transform: uppercase; font-size: .92rem; }
.day .body .l { font-size: .78rem; color: var(--muted); margin-top: 3px; }
.day.done { opacity: .55; }
.day.done .rail { background: rgba(116,214,138,.08); }
.day.today { border-color: var(--amber); box-shadow: 0 0 0 1px rgba(255,122,24,.25); }

.pill {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 3px 7px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
}
.pill.deload { border-color: var(--steel); color: var(--steel); }
.pill.done { border-color: var(--green); color: var(--green); }

/* --------------------------------------------------------------- rozmowa */

#chat-log {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-bottom: 8px;
  min-height: 40vh;
}
.msg { max-width: 88%; font-size: .93rem; }
.msg .who {
  font-family: var(--font-mono);
  font-size: .6rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 5px;
}
.msg.coach { align-self: flex-start; }
.msg.coach .bubble {
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--amber);
  border-radius: 0 var(--r-lg) var(--r-lg) 0;
  padding: 12px 14px;
  white-space: pre-wrap;
}
.msg.me { align-self: flex-end; text-align: right; }
.msg.me .bubble {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 12px 14px;
  white-space: pre-wrap;
  text-align: left;
}
.msg.act { align-self: center; max-width: 100%; }
.msg.act .bubble {
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--green);
  border: 1px dashed rgba(116,214,138,.35);
  border-radius: var(--r);
  padding: 6px 10px;
}

.composer {
  position: fixed;
  bottom: calc(66px + env(safe-area-inset-bottom));
  left: 0; right: 0;
  z-index: 35;
  padding: 10px var(--pad) 12px;
  background: linear-gradient(180deg, transparent, var(--ink) 34%);
}
.composer .row {
  display: flex;
  gap: 8px;
  max-width: 720px;
  margin: 0 auto;
}
.composer textarea {
  resize: none;
  max-height: 128px;
  border-radius: var(--r-lg);
}
.composer .send {
  flex: 0 0 52px;
  border-radius: var(--r-lg);
  border: 1px solid var(--amber);
  background: var(--amber);
  color: #140a02;
  font-size: 1.15rem;
  cursor: pointer;
}
.composer .send:disabled { opacity: .4; }

.thinking {
  display: inline-flex;
  gap: 5px;
  align-items: center;
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--dim);
}
.thinking i {
  width: 5px; height: 5px;
  background: var(--amber);
  border-radius: 50%;
  display: inline-block;
  animation: blip 1.1s infinite ease-in-out;
}
.thinking i:nth-child(2) { animation-delay: .16s; }
.thinking i:nth-child(3) { animation-delay: .32s; }
@keyframes blip { 0%, 70%, 100% { opacity: .2; transform: translateY(0); } 35% { opacity: 1; transform: translateY(-3px); } }

/* -------------------------------------------------- tryb „na siłowni" */

#gym {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--ink);
  overflow-y: auto;
  padding-bottom: 120px;
}
#gym.on { display: block; }

.gym-head {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px var(--pad);
  background: rgba(10,11,13,.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.gym-head .t { font-family: var(--font-display); text-transform: uppercase; font-size: .95rem; }
.gym-head .x {
  background: none; border: 1px solid var(--line); color: var(--muted);
  border-radius: var(--r); padding: 7px 11px; cursor: pointer; font-size: .8rem;
}

.gym-ex { padding: 0 var(--pad); margin-top: 18px; }
.gym-ex h2 { font-size: 1.15rem; }
.gym-ex .hint { color: var(--dim); font-size: .76rem; margin-top: 4px; }
.gym-ex .target {
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--amber);
  margin-top: 6px;
}

.setrow {
  display: grid;
  grid-template-columns: 30px 1fr 1fr 1fr 46px;
  gap: 7px;
  align-items: center;
  margin-top: 9px;
}
.setrow .idx { font-family: var(--font-mono); color: var(--dim); font-size: .8rem; }
.setrow input {
  padding: 15px 8px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  border-radius: var(--r);
}
.setrow .tick {
  height: 48px;
  border: 1px solid var(--line);
  background: var(--ink-2);
  color: var(--dim);
  border-radius: var(--r);
  font-size: 1.1rem;
  cursor: pointer;
  transition: .15s;
}
.setrow.ok .tick { background: rgba(116,214,138,.14); border-color: var(--green); color: var(--green); }
.setrow.ok input { opacity: .6; }
.setrow-head {
  display: grid;
  grid-template-columns: 30px 1fr 1fr 1fr 46px;
  gap: 7px;
  font-size: .58rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--dim);
  margin-top: 12px;
}
.setrow-head span { text-align: center; }

.nudge { display: flex; gap: 6px; margin-top: 10px; flex-wrap: wrap; }
.nudge button {
  flex: 1;
  min-width: 62px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  color: var(--muted);
  border-radius: var(--r);
  padding: 9px 6px;
  font-family: var(--font-mono);
  font-size: .78rem;
  cursor: pointer;
}
.nudge button:active { border-color: var(--amber); color: var(--amber); }

.timer-bar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 110;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px var(--pad) calc(12px + env(safe-area-inset-bottom));
  background: rgba(12,13,16,.96);
  backdrop-filter: blur(14px);
  border-top: 1px solid var(--line);
}
.timer-bar .clock {
  font-family: var(--font-mono);
  font-size: 1.7rem;
  min-width: 84px;
  letter-spacing: -.02em;
}
.timer-bar .clock.hot { color: var(--amber); }
.timer-bar .grow { flex: 1; }

.offline-badge {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  background: var(--amber-dim);
  color: #1a0d02;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  text-align: center;
  padding: 5px;
  transform: translateY(-100%);
  transition: transform .25s;
}
.offline-badge.on { transform: none; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 96px;
  transform: translate(-50%, 20px);
  z-index: 300;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-left: 2px solid var(--amber);
  border-radius: var(--r);
  padding: 11px 16px;
  font-size: .86rem;
  max-width: min(90vw, 460px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s, transform .2s;
}
.toast.on { opacity: 1; transform: translate(-50%, 0); }

.empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--dim);
}
.empty .big { font-family: var(--font-display); font-size: 1.1rem; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }

details.raw summary { cursor: pointer; font-size: .78rem; color: var(--dim); }
details.raw pre { font-family: var(--font-mono); font-size: .7rem; white-space: pre-wrap; color: var(--muted); }

@media (min-width: 720px) {
  nav.tabs { max-width: 720px; margin: 0 auto; border-left: 1px solid var(--line); border-right: 1px solid var(--line); border-radius: var(--r-lg) var(--r-lg) 0 0; }
}