/* ============================================================
   tenzou.dev
   Minimal monospace personal site.
   ============================================================ */

*,
*::before,
*::after {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

:root {
  --bg: #000000;
  --fg: #ececec;
  --dim: #8a8a8a;
  --hair: #232323;
  --toast-bg: #ececec;
  --toast-fg: #000000;
  --ok: #6ee7a8;
  --err: #ff8080;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --pad-x: clamp(20px, 5.5vw, 44px);
  --pad-y: clamp(18px, 3.5vh, 30px);
  color-scheme: dark;
}

html[data-theme="light"] {
  --bg: #f3f1ec;
  --fg: #14140f;
  --dim: #77726a;
  --hair: #dcd7ce;
  --toast-bg: #14140f;
  --toast-fg: #f3f1ec;
  --ok: #167a45;
  --err: #b42323;
  color-scheme: light;
}

html,
body {
  margin: 0;
  padding: 0;
}

html {
  background: var(--bg);
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  min-height: 100vh;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  transition: background-color 0.25s ease, color 0.25s ease;
}

::selection {
  background: var(--fg);
  color: var(--bg);
}

:focus-visible {
  outline: 1px solid var(--fg);
  outline-offset: 3px;
  border-radius: 1px;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ---------- shell ---------- */

.shell {
  width: 100%;
  max-width: 980px;
  margin: 0 auto;
  padding: var(--pad-y) var(--pad-x);
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  gap: clamp(20px, 5vh, 44px);
}

/* ---------- top bar ---------- */

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 15px;
  line-height: 1;
  letter-spacing: 0.01em;
}

.top a {
  transition: color 0.2s ease;
}

.top a:hover {
  color: var(--dim);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
}

.mark {
  display: block;
  flex: none;
  width: 3px;
  height: 16px;
  background: currentColor;
  border-radius: 0.5px;
  animation: breathe 3.6s ease-in-out infinite;
}

.top-links {
  display: flex;
  align-items: center;
  gap: clamp(16px, 4vw, 28px);
}

.theme {
  appearance: none;
  background: none;
  border: 0;
  padding: 0;
  margin: 0;
  font: inherit;
  color: inherit;
  line-height: 1;
  letter-spacing: inherit;
  cursor: pointer;
  transition: color 0.2s ease;
}

.theme:hover {
  color: var(--dim);
}

/* ---------- hero ---------- */

.main {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero {
  display: flex;
  align-items: center;
  gap: clamp(18px, 5vw, 48px);
  width: 100%;
  max-width: 660px;
  opacity: 0;
  transition: opacity 0.4s ease;
}

body.content-ready .hero {
  opacity: 1;
}

.name {
  flex: none;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: clamp(38px, 11.8vw, 58px);
  font-weight: 200;
  line-height: 1.26;
  letter-spacing: 0.01em;
  user-select: none;
  -webkit-user-select: none;
}

.name span {
  display: block;
  animation: rise 0.55s cubic-bezier(0.22, 0.7, 0.25, 1) both;
  animation-delay: calc(var(--i, 0) * 55ms + 80ms);
}

.intro {
  min-width: 0;
  max-width: 36ch;
}

.intro p {
  margin: 0;
  font-size: clamp(14px, 3.85vw, 16px);
  line-height: 1.52;
  color: var(--fg);
  text-wrap: pretty;
}

.intro .coords {
  margin-top: clamp(14px, 2.8vh, 22px);
  color: var(--dim);
  font-size: clamp(13.5px, 3.6vw, 15px);
  letter-spacing: 0.04em;
}

.socials {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-top: 12px;
}

.socials a {
  display: inline-flex;
  padding: 2px;
  color: var(--fg);
  opacity: 0.92;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.socials a:hover {
  opacity: 1;
  transform: translateY(-2px);
}

.socials svg {
  display: block;
  width: 21px;
  height: 21px;
}

/* ---------- footer ---------- */

.foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 14px;
  line-height: 1;
}

.foot-links {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.foot-links .mark {
  width: 3px;
  height: 15px;
  animation: none;
}

.foot-links a {
  color: var(--fg);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3.5px;
  text-decoration-color: currentColor;
  transition: color 0.2s ease, text-underline-offset 0.2s ease;
}

.foot-links a:hover {
  color: var(--dim);
  text-underline-offset: 5px;
}

.version {
  color: var(--dim);
  font-size: 12.5px;
  letter-spacing: 0.02em;
}

/* ---------- inner pages ---------- */

.page {
  flex: 1 1 auto;
  width: 100%;
  max-width: 660px;
  margin: 0 auto;
  padding: clamp(16px, 7vh, 56px) 0 clamp(24px, 6vh, 40px);
}

.kicker {
  margin: 0 0 10px;
  color: var(--dim);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.page-title {
  margin: 0 0 12px;
  font-size: clamp(24px, 5vw, 30px);
  font-weight: 300;
  line-height: 1.2;
}

.page-sub {
  max-width: 48ch;
  margin: 0 0 clamp(26px, 5vh, 38px);
  color: var(--dim);
  font-size: clamp(13.5px, 3.6vw, 14.5px);
  line-height: 1.55;
}

.list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--hair);
}

.list li {
  border-bottom: 1px solid var(--hair);
}

.row {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 2px 6px;
  color: var(--fg);
}

.row-title {
  font-size: clamp(14.5px, 3.9vw, 15.5px);
}

.row:hover .row-title {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.row-meta {
  margin-left: auto;
  color: var(--dim);
  font-size: 12.5px;
  white-space: nowrap;
}

.row-arrow {
  color: var(--dim);
  font-size: 13px;
  transition: transform 0.2s ease, color 0.2s ease;
}

.row:hover .row-arrow {
  color: var(--fg);
  transform: translate(2px, -2px);
}

.row-desc {
  max-width: 62ch;
  margin: 0 0 16px;
  color: var(--dim);
  font-size: 13.5px;
  line-height: 1.5;
  text-wrap: pretty;
}

.list-note {
  margin: 0;
  padding: 16px 2px;
  color: var(--dim);
  font-size: 13.5px;
  line-height: 1.5;
}

.inline-link {
  color: var(--fg);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.inline-link:hover {
  color: var(--dim);
}

.back {
  display: inline-block;
  margin-top: clamp(28px, 5vh, 40px);
  color: var(--dim);
  font-size: 13.5px;
  transition: color 0.2s ease;
}

.back:hover {
  color: var(--fg);
}

/* ---------- admin ---------- */

.admin {
  max-width: 720px;
}

.login {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 320px;
  padding-top: 6px;
}

.offline-note {
  max-width: 56ch;
  margin: 0;
  padding: 12px 14px;
  border: 1px solid var(--hair);
  color: var(--dim);
  font-size: 13px;
  line-height: 1.6;
}

.offline-note code {
  color: var(--fg);
  font-size: 12.5px;
}

.panel {
  padding: 18px 0 22px;
  border-top: 1px solid var(--hair);
}

.panel:last-of-type {
  border-bottom: 1px solid var(--hair);
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.panel-title {
  margin: 0;
  color: var(--dim);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
  min-width: 0;
}

.field-label,
.field > span {
  color: var(--dim);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.input {
  width: 100%;
  margin: 0;
  padding: 10px 12px;
  border: 1px solid var(--hair);
  border-radius: 4px;
  background: transparent;
  color: var(--fg);
  font: inherit;
  font-size: 14px;
  line-height: 1.4;
  transition: border-color 0.2s ease;
}

.input::placeholder {
  color: var(--dim);
  opacity: 0.7;
}

.input:focus {
  outline: none;
  border-color: var(--fg);
}

.textarea {
  resize: vertical;
  min-height: 72px;
  line-height: 1.55;
}

.select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 26px;
  background-image: linear-gradient(45deg, transparent 50%, currentColor 50%),
    linear-gradient(135deg, currentColor 50%, transparent 50%);
  background-position: calc(100% - 15px) 50%, calc(100% - 10px) 50%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  cursor: pointer;
}

.select option {
  background: var(--bg);
  color: var(--fg);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.btn {
  appearance: none;
  border: 1px solid var(--fg);
  border-radius: 999px;
  padding: 9px 18px;
  background: var(--fg);
  color: var(--bg);
  font: inherit;
  font-size: 13px;
  line-height: 1.2;
  cursor: pointer;
  transition: opacity 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.btn:hover {
  opacity: 0.82;
}

.btn--ghost {
  background: transparent;
  color: var(--fg);
  border-color: var(--hair);
}

.btn--ghost:hover {
  border-color: var(--fg);
  opacity: 1;
}

.btn--sm {
  padding: 6px 12px;
  font-size: 12px;
}

.editor-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.editor-row {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr) 36px;
  gap: 10px;
  align-items: start;
}

.editor-card {
  display: grid;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--hair);
  border-radius: 6px;
}

.editor-card-head {
  display: flex;
  gap: 10px;
  align-items: center;
}

.editor-card-head .input {
  flex: 1;
}

.editor-card-meta {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 10px;
}

.icon-btn {
  flex: none;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 1px solid var(--hair);
  border-radius: 4px;
  background: transparent;
  color: var(--dim);
  font: inherit;
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.icon-btn:hover {
  color: var(--fg);
  border-color: var(--fg);
}

.editor-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-top: 20px;
}

.status {
  color: var(--dim);
  font-size: 12.5px;
  line-height: 1.4;
}

.status--ok {
  color: var(--ok);
}

.status--err {
  color: var(--err);
}

@media (max-width: 560px) {
  .grid-2,
  .editor-card-meta {
    grid-template-columns: 1fr;
  }

  .editor-row {
    grid-template-columns: minmax(0, 1fr) 36px;
    gap: 8px;
  }

  .editor-row .select {
    grid-column: 1;
    grid-row: 1;
  }

  .editor-row .icon-btn {
    grid-column: 2;
    grid-row: 1;
  }

  .editor-row input {
    grid-column: 1 / -1;
    grid-row: 2;
  }
}


/* ---------- toast ---------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  z-index: 10;
  max-width: min(88vw, 420px);
  padding: 9px 15px;
  border-radius: 999px;
  background: var(--toast-bg);
  color: var(--toast-fg);
  font-size: 12.5px;
  line-height: 1.4;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 8px);
  transition: opacity 0.22s ease, transform 0.22s ease;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ---------- motion ---------- */

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes breathe {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.45;
  }
}

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

  .name span {
    opacity: 1;
    transform: none;
  }
}

/* ---------- small screens ---------- */

@media (max-width: 380px) {
  .top {
    font-size: 14px;
  }

  .hero {
    gap: 14px;
  }

  .name {
    font-size: 34px;
  }
}

@media (max-height: 620px) and (min-width: 600px) {
  .name {
    font-size: 36px;
  }
}