/* ============================================================
   PHANTOM AGENDA — Persona 5 styled task manager
   Палитра: почти-чёрный фон, кроваво-красный акцент, рваная
   диагональная геометрия, жирная скошенная типографика.
   ============================================================ */

:root {
  --pt-bg: #0b0b0d;
  --pt-panel: #17171a;
  --pt-panel-2: #1f1f22;
  --pt-red: #e3122b;
  --pt-red-dark: #9c0b1d;
  --pt-white: #f4f2ec;
  --pt-muted: #948f8a;
  --pt-border: #2a2a2e;
  --pt-skew: -8deg;
  --pt-font-display: "Montserrat", "Inter", sans-serif;
  --pt-font-body: "Inter", system-ui, sans-serif;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--pt-bg);
  color: var(--pt-white);
  font-family: var(--pt-font-body);
  position: relative;
  overflow-x: hidden;
}

/* subtle grain/noise so the black isn't flat */
.pt-noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.05;
  background-image:
    repeating-linear-gradient(0deg, #fff 0px, transparent 1px, transparent 2px),
    repeating-linear-gradient(90deg, #fff 0px, transparent 1px, transparent 3px);
  mix-blend-mode: overlay;
}

/* diagonal red slash band bleeding across the top of the page */
.pt-diag-band {
  position: fixed;
  top: -18vh;
  left: -10vw;
  width: 140vw;
  height: 46vh;
  background: linear-gradient(100deg, var(--pt-red-dark) 0%, var(--pt-red) 45%, transparent 70%);
  transform: skewY(-6deg);
  z-index: 0;
  pointer-events: none;
  opacity: 0.9;
}

.pt-header,
.pt-main {
  position: relative;
  z-index: 1;
}

/* ---------- header ---------- */

.pt-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  padding: 2.75rem 5vw 1.75rem;
  flex-wrap: wrap;
}

.pt-header__title-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.pt-header__eyebrow {
  font-family: var(--pt-font-display);
  font-weight: 800;
  font-size: 0.78rem;
  letter-spacing: 0.32em;
  color: var(--pt-white);
  text-shadow: 2px 0 0 var(--pt-red);
}

.pt-header__title {
  margin: 0;
  font-family: var(--pt-font-display);
  font-weight: 900;
  font-style: italic;
  font-size: clamp(2.4rem, 7vw, 4.4rem);
  line-height: 0.92;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  transform: skewX(-6deg);
  color: var(--pt-white);
}

.pt-header__title span {
  display: block;
  color: var(--pt-red);
  -webkit-text-stroke: 1.5px var(--pt-white);
}

.pt-sound-toggle {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--pt-panel);
  border: 2px solid var(--pt-red);
  color: var(--pt-white);
  font-family: var(--pt-font-display);
  font-weight: 800;
  letter-spacing: 0.12em;
  font-size: 0.82rem;
  padding: 0.6rem 1.1rem;
  clip-path: polygon(10% 0, 100% 0, 90% 100%, 0% 100%);
  cursor: pointer;
  transition: transform 0.12s ease, background 0.12s ease;
}

.pt-sound-toggle:hover {
  transform: translate(-2px, -2px);
  background: var(--pt-red-dark);
}

.pt-sound-toggle.is-muted {
  border-color: var(--pt-muted);
  color: var(--pt-muted);
}

/* ---------- main / cards ---------- */

.pt-main {
  max-width: 780px;
  margin: 0 auto;
  padding: 0.5rem 5vw 5rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.pt-card {
  position: relative;
  background: var(--pt-panel);
  border: 2px solid var(--pt-border);
  padding: 1.75rem 1.75rem 1.5rem;
  clip-path: polygon(0 0, 100% 0, 100% 82%, 94% 100%, 0 100%);
}

.pt-card__corner {
  position: absolute;
  top: 0;
  right: 0;
  width: 46px;
  height: 46px;
  background: var(--pt-red);
  clip-path: polygon(100% 0, 0 0, 100% 100%);
}

.pt-form__label {
  display: block;
  font-family: var(--pt-font-display);
  font-weight: 800;
  letter-spacing: 0.2em;
  font-size: 0.85rem;
  color: var(--pt-red);
  margin-bottom: 0.75rem;
}

.pt-form__row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.pt-form__input {
  flex: 1 1 220px;
  background: var(--pt-bg);
  border: 2px solid var(--pt-border);
  color: var(--pt-white);
  font-family: var(--pt-font-body);
  font-size: 1rem;
  padding: 0.85rem 1rem;
  clip-path: polygon(3% 0, 100% 0, 97% 100%, 0 100%);
  transition: border-color 0.15s ease;
}

.pt-form__input:focus {
  outline: none;
  border-color: var(--pt-red);
  box-shadow: 0 0 0 3px rgba(227, 18, 43, 0.25);
}

.pt-form__input::placeholder {
  color: var(--pt-muted);
}

.pt-form__error {
  margin: 0.75rem 0 0;
  min-height: 1.2em;
  font-family: var(--pt-font-display);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--pt-red);
}

.pt-btn {
  font-family: var(--pt-font-display);
  font-weight: 900;
  font-style: italic;
  letter-spacing: 0.06em;
  font-size: 1rem;
  border: none;
  padding: 0.85rem 1.6rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  clip-path: polygon(8% 0, 100% 0, 92% 100%, 0 100%);
  transition: transform 0.12s ease, filter 0.12s ease;
}

.pt-btn--primary {
  background: var(--pt-red);
  color: var(--pt-white);
}

.pt-btn--primary:hover {
  transform: translate(-2px, -1px);
  filter: brightness(1.15);
}

.pt-btn--primary:active {
  transform: translate(0, 1px) scale(0.98);
}

/* ---------- list section ---------- */

.pt-list-section__heading {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 1.1rem;
}

.pt-list-section__slash {
  width: 26px;
  height: 3px;
  background: var(--pt-red);
  transform: skewX(-25deg);
}

.pt-list-section__heading h2 {
  margin: 0;
  font-family: var(--pt-font-display);
  font-weight: 900;
  font-style: italic;
  letter-spacing: 0.06em;
  font-size: 1.3rem;
  text-transform: uppercase;
}

.pt-list-section__count {
  margin-left: auto;
  font-family: var(--pt-font-display);
  font-weight: 800;
  color: var(--pt-bg);
  background: var(--pt-white);
  padding: 0.15rem 0.65rem;
  clip-path: polygon(15% 0, 100% 0, 85% 100%, 0 100%);
}

.pt-task-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.pt-task {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.9rem;
  background: var(--pt-panel);
  border-left: 4px solid var(--pt-red);
  padding: 0.95rem 1.1rem;
  clip-path: polygon(0 0, 100% 0, 98% 100%, 2% 100%);
  animation: pt-task-in 0.28s cubic-bezier(.2,.9,.3,1.2);
}

@keyframes pt-task-in {
  from { opacity: 0; transform: translateX(-18px) skewX(-4deg); }
  to { opacity: 1; transform: translateX(0) skewX(0); }
}

.pt-task.pt-task--leaving {
  animation: pt-task-out 0.22s ease forwards;
}

@keyframes pt-task-out {
  from { opacity: 1; transform: translateX(0) scaleY(1); max-height: 80px; }
  to { opacity: 0; transform: translateX(24px) scaleY(0.4); max-height: 0; padding-top: 0; padding-bottom: 0; margin: 0; }
}

.pt-task__slash {
  width: 8px;
  align-self: stretch;
  background: repeating-linear-gradient(-45deg, var(--pt-red) 0 4px, transparent 4px 8px);
  flex-shrink: 0;
}

.pt-task__text {
  flex: 1;
  font-size: 1.02rem;
  word-break: break-word;
}

.pt-task__delete {
  background: transparent;
  border: 2px solid var(--pt-border);
  color: var(--pt-muted);
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  clip-path: polygon(15% 0, 100% 0, 85% 100%, 0 100%);
  transition: all 0.12s ease;
}

.pt-task__delete:hover {
  border-color: var(--pt-red);
  color: var(--pt-white);
  background: var(--pt-red-dark);
  transform: rotate(-4deg);
}

.pt-empty {
  text-align: center;
  font-family: var(--pt-font-display);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--pt-muted);
  padding: 2.5rem 1rem;
  border: 2px dashed var(--pt-border);
}

/* ---------- full-screen red wipe transition ---------- */

.pt-wipe {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: var(--pt-red);
  transform: scaleX(0);
  transform-origin: left;
  pointer-events: none;
}

.pt-wipe.is-active {
  animation: pt-wipe-sweep 0.5s cubic-bezier(.65,0,.35,1);
}

@keyframes pt-wipe-sweep {
  0% { transform: scaleX(0); transform-origin: left; opacity: 1; }
  48% { transform: scaleX(1); transform-origin: left; opacity: 1; }
  52% { transform: scaleX(1); transform-origin: right; opacity: 1; }
  100% { transform: scaleX(0); transform-origin: right; opacity: 1; }
}

@media (max-width: 560px) {
  .pt-header { padding: 2rem 6vw 1.25rem; }
  .pt-main { padding: 0.5rem 6vw 4rem; }
  .pt-form__row { flex-direction: column; }
  .pt-btn { justify-content: center; }
}

/* keyboard focus visibility */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid var(--pt-white);
  outline-offset: 2px;
}