/* Reusable UI pieces */

/* Buttons */
.btn {
  display: inline-block; cursor: pointer; border: 1px solid transparent;
  font-family: var(--font-mono); font-size: 15px; padding: 14px 24px;
}
.btn--primary { background: var(--accent); color: var(--bg); font-weight: 700; }
.btn--primary:hover { background: var(--accent-soft); color: var(--bg); }
.btn--ghost { border-color: var(--line-strong); color: var(--text); background: none; }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn--small { background: none; border-color: var(--line-strong); font-size: 13px; padding: 6px 12px; }
.btn--small:hover { border-color: var(--accent); color: var(--accent); }

/* Tags */
.tag {
  font-family: var(--font-mono); font-size: 13px; padding: 6px 12px;
  background: var(--chip); border: 1px solid var(--line); color: var(--text);
}
.tag--sm { font-size: 12px; padding: 3px 8px; background: none; border-color: var(--line-strong); color: var(--muted); }
.tag--cell { font-size: 12.5px; padding: 4px 9px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; min-width: 0; }
.tags--tight { gap: 6px; }

/* Terminal */
.terminal { background: var(--bg-deep); border: 1px solid var(--line); font-family: var(--font-mono); font-size: 13px; }
.terminal__bar { display: flex; align-items: center; gap: 8px; padding: 10px 14px; border-bottom: 1px solid var(--line); color: var(--faint); }
.terminal__dot { width: 10px; height: 10px; border-radius: 50%; background: var(--line-strong); }
.terminal__dot--red { background: var(--accent); }
.terminal__title { margin-left: 8px; }
.terminal__close {
  width: 14px; height: 14px; padding: 0; border: 0; border-radius: 50%; cursor: pointer;
  display: grid; place-items: center; background: var(--accent); color: var(--bg-deep);
  font-family: var(--font-mono); font-size: 12px; font-weight: 700; line-height: 1;
}
.terminal__close:hover { background: var(--accent-soft); }

/* Retro desktop shown when the terminal window is closed */
.desktop { min-width: 0; }
.desktop__screen {
  position: relative; min-height: 400px; overflow: hidden; border: 1px solid var(--line);
  font-family: Tahoma, 'Segoe UI', sans-serif; font-size: 12px; background: #3f86e3;
}
.desktop__wall { position: absolute; inset: 0; width: 100%; height: 100%; transition: filter .4s; }
.desktop__screen--sunset .desktop__wall { filter: sepia(.6) saturate(1.7) hue-rotate(-22deg) brightness(.92); }
.desktop__screen--night .desktop__wall { filter: brightness(.36) saturate(.75) hue-rotate(12deg); }
.desktop__icons { position: absolute; top: 12px; left: 10px; display: flex; flex-direction: column; gap: 6px; }
.desktop__icon {
  width: 76px; padding: 6px 4px; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  background: none; border: 1px dotted transparent; color: #fff;
}
.desktop__icon:hover, .desktop__icon:focus-visible { background: rgba(11, 97, 255, .35); border-color: rgba(255, 255, 255, .7); outline: none; }
.desktop__icon-img {
  width: 40px; height: 34px; display: grid; place-items: center;
  background: #0e1015; border: 2px solid #d8d8d8; border-top-width: 6px; border-radius: 3px;
  font-family: var(--font-mono); font-size: 12px; font-weight: 700; color: #5fc98a;
}
.desktop__icon-img--mines { background: #c0c0c0; border-color: #fff #808080 #808080 #fff; border-width: 3px; color: #111; font-size: 18px; }
.desktop__icon-img--txt { background: #fff; border: 1px solid #8a8a8a; border-radius: 1px; width: 30px; color: #6b7a99; font-size: 18px; }
.desktop__icon-label { text-shadow: 1px 1px 2px #000; overflow-wrap: anywhere; text-align: center; line-height: 1.2; }
.desktop__taskbar {
  position: absolute; left: 0; right: 0; bottom: 0; height: 30px;
  display: flex; justify-content: space-between; align-items: stretch;
  background: linear-gradient(#3f8cf3 0%, #245edb 12%, #245edb 85%, #1941a5 100%);
}
.desktop__start {
  padding: 0 22px 0 14px; border: 0; border-radius: 0 12px 12px 0; cursor: pointer;
  background: linear-gradient(#5eb85e 0%, #3c9a3c 15%, #2f8a2f 85%, #236b23 100%);
  color: #fff; font: italic 700 15px Tahoma, 'Segoe UI', sans-serif; text-shadow: 1px 1px 1px rgba(0, 0, 0, .5);
}
.desktop__start:hover, .desktop__start[aria-expanded="true"] { filter: brightness(1.12); }
.desktop__tray {
  display: flex; align-items: center; gap: 8px; padding: 0 12px 0 10px; color: #fff;
  background: linear-gradient(#1ca6f5 0%, #0f8ee9 15%, #0f8ee9 85%, #0b6fc0 100%); border-left: 1px solid #0a4fa3;
}
.desktop__menu {
  position: absolute; left: 0; bottom: 30px; z-index: 3; width: min(280px, 100%); overflow: hidden;
  background: #fff; border: 1px solid #0f3fa8; border-bottom: 0; border-radius: 8px 8px 0 0;
  box-shadow: 3px -2px 10px rgba(0, 0, 0, .45);
}
.desktop__tray-icon { display: grid; place-items: center; padding: 0; border: 0; background: none; color: #fff; }
button.desktop__tray-icon { cursor: pointer; }
.desktop__slash { display: none; }
.is-offline .desktop__slash, [aria-pressed="false"] .desktop__slash { display: inline; }
[aria-pressed="false"] .desktop__waves { display: none; }
.desktop__menu-head {
  display: flex; align-items: center; gap: 10px; padding: 7px 10px; color: #fff; font-weight: 700; font-size: 14px;
  text-shadow: 1px 1px 1px rgba(0, 0, 0, .55);
  background: linear-gradient(#5a9cf5 0%, #1f5fd6 8%, #2a6be0 50%, #1a50c2 100%);
  border-bottom: 2px solid transparent;
  border-image: linear-gradient(90deg, transparent, #f5a13a 30%, #f5a13a 70%, transparent) 1;
}
.desktop__avatar { width: 36px; height: 36px; display: grid; place-items: center; font-size: 22px; line-height: 1; background: #f3e2c2; border: 2px solid #dfe9fb; border-radius: 4px; box-shadow: 1px 1px 2px rgba(0, 0, 0, .4); text-shadow: none; }
.desktop__menu-body { display: grid; grid-template-columns: 1fr 1fr; min-height: 190px; }
.desktop__menu-col { display: flex; flex-direction: column; padding: 6px 4px; background: #fff; }
.desktop__menu-col--places { background: #d3e5fa; border-left: 1px solid #95bdee; }
.desktop__menu-body a, .desktop__menu-body button {
  display: flex; align-items: center; gap: 8px; padding: 5px 8px; border: 0; background: none; cursor: pointer; text-align: left;
  font: 12px Tahoma, 'Segoe UI', sans-serif; color: #111;
}
.desktop__menu-body button { font-weight: 700; }
.desktop__menu-col--places a { color: #0c327d; font-weight: 700; }
.desktop__menu-body a:hover, .desktop__menu-body button:hover { background: #316ac5; color: #fff; }
.desktop__menu-body hr { width: 100%; height: 1px; margin: 5px 0; border: 0; background: linear-gradient(90deg, transparent, #7fa7dd 20%, #7fa7dd 80%, transparent); }
.desktop__menu-ico {
  width: 24px; height: 22px; flex: none; display: grid; place-items: center;
  background: #0e1015; border: 1px solid #9a9a9a; border-top-width: 4px; border-radius: 2px;
  font: 700 9px var(--font-mono); color: #5fc98a;
}
.desktop__menu-ico--txt { background: #fff; border: 1px solid #8a8a8a; color: #6b7a99; font-size: 13px; }
.desktop__menu-ico--set { background: #e9eef7; border: 1px solid #8a8a8a; color: #44536f; font-size: 14px; }
.desktop__menu-ico--mines { background: #c0c0c0; border: 2px solid; border-color: #fff #808080 #808080 #fff; color: #111; font-size: 13px; }
.desktop__menu-foot {
  display: flex; justify-content: flex-end; padding: 5px 8px;
  background: linear-gradient(#4282e6 0%, #2a66d8 50%, #1a50c2 100%); border-top: 1px solid #0f3fa8;
}
.desktop__menu-foot button {
  display: flex; align-items: center; gap: 6px; padding: 3px 6px; border: 0; background: none; cursor: pointer;
  color: #fff; font: 12px Tahoma, 'Segoe UI', sans-serif;
}
.desktop__menu-off {
  width: 22px; height: 22px; display: grid; place-items: center; font-size: 13px; line-height: 1; color: #fff;
  background: linear-gradient(#f0795f 0%, #d8401f 45%, #b62a0e 100%); border: 1px solid #fff; border-radius: 4px;
  box-shadow: 1px 1px 2px rgba(0, 0, 0, .4);
}
.desktop__menu-foot button:hover .desktop__menu-off { filter: brightness(1.2); }
.desktop__menu-foot button:hover span:last-child { text-decoration: underline; }
.desktop__off { position: absolute; inset: 0; z-index: 5; display: grid; place-items: center; background: #000; }
.desktop__power {
  display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 14px 18px; cursor: pointer;
  background: none; border: 0; color: var(--faint); font-family: var(--font-mono); font-size: 12px;
}
.desktop__power span:first-child { font-size: 34px; line-height: 1; }
.desktop__power:hover, .desktop__power:focus-visible { color: var(--green); outline: none; }

/* Desktop window + Mines game */
.xpwin {
  position: absolute; top: 12px; left: 100px; z-index: 1;
  background: #c0c0c0; border: 3px solid #1c56d1; border-radius: 6px 6px 0 0; box-shadow: 3px 4px 10px rgba(0, 0, 0, .4);
}
.xpwin__bar {
  display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 3px 4px 4px 8px;
  background: linear-gradient(#3f8cf3, #1c56d1); color: #fff; font-weight: 700;
}
.xpwin__close {
  width: 18px; height: 18px; padding: 0; cursor: pointer; display: grid; place-items: center;
  background: #e0492f; border: 1px solid #fff; border-radius: 3px; color: #fff; font-size: 13px; font-weight: 700; line-height: 1;
}
.xpwin__close:hover { background: #f36a50; }
.xpwin.is-front { z-index: 2; }
.xpwin--note { right: 10px; bottom: 40px; display: flex; flex-direction: column; }
.note {
  flex: 1; min-height: 0; margin: 0; padding: 8px 10px; overflow: auto; background: #fff; color: #111;
  font: 11.5px/1.5 var(--font-mono); white-space: pre-wrap; overflow-wrap: anywhere;
}
@media (max-width: 520px) { .xpwin--note { left: 10px; } }
.settings { display: flex; flex-direction: column; gap: 6px; width: 226px; padding: 10px; color: #111; }
.settings__label { font-weight: 700; margin-top: 4px; }
.settings__input { width: 100%; padding: 4px 6px; background: #fff; color: #111; border: 2px solid; border-color: #808080 #fff #fff #808080; font: 12px Tahoma, 'Segoe UI', sans-serif; outline: none; }
.settings__input:focus { background: #fffde6; }
.settings__row { display: flex; flex-wrap: wrap; gap: 4px; }
.settings__opt {
  padding: 3px 8px; cursor: pointer; color: #111; font: 12px Tahoma, 'Segoe UI', sans-serif;
  background: #c0c0c0; border: 2px solid; border-color: #fff #808080 #808080 #fff;
}
.settings__opt--pic { padding: 2px 4px; font-size: 17px; line-height: 1.2; }
.settings__opt[aria-pressed="true"] { border-color: #808080 #fff #fff #808080; background: #a9c4ee; }
.settings__hint { margin-top: 4px; color: #555; font-size: 11px; }
.mines { padding: 6px; }
.mines__top {
  display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; padding: 4px;
  border: 2px solid; border-color: #808080 #fff #fff #808080;
}
.mines__num { padding: 1px 4px; background: #000; color: #ff3b30; font: 700 16px var(--font-mono); letter-spacing: 1px; }
.mines__buttons { display: flex; gap: 4px; }
.mines__btn {
  width: 26px; height: 26px; padding: 0; cursor: pointer; font-size: 14px; line-height: 1; color: #111;
  background: #c0c0c0; border: 2px solid; border-color: #fff #808080 #808080 #fff;
}
.mines__btn:active, .mines__btn[aria-pressed="true"] { border-color: #808080 #fff #fff #808080; background: #b0b0b0; }
.mines__grid { display: grid; grid-template-columns: repeat(9, 20px); border: 2px solid; border-color: #808080 #fff #fff #808080; }
.mines__cell {
  width: 20px; height: 20px; padding: 0; cursor: pointer; font: 700 12px var(--font-mono); line-height: 1; color: #111;
  background: #c0c0c0; border: 2px solid; border-color: #fff #808080 #808080 #fff;
}
.mines__cell.is-open { border: 1px solid #9a9a9a; cursor: default; }
.mines__cell.is-flag { color: #d6201a; }
.mines__cell.is-hit { background: #ff3b30; }
.mines__cell.is-wrong { background: #f0b4ae; }
.mines__cell--1 { color: #0000ff; } .mines__cell--2 { color: #007b00; } .mines__cell--3 { color: #ff0000; } .mines__cell--4 { color: #00007b; }
.mines__cell--5 { color: #7b0000; } .mines__cell--6 { color: #007b7b; } .mines__cell--7 { color: #000; } .mines__cell--8 { color: #7b7b7b; }
.terminal__body { display: flex; flex-direction: column; gap: 9px; min-height: 320px; padding: 16px 18px; }
.log-line { display: flex; align-items: baseline; gap: 10px; line-height: 1.45; opacity: 0; animation: log-line 14s infinite; animation-delay: var(--delay, 0s); }
.log-line__time { color: var(--faint); flex: none; }
.log-line__tag { min-width: 84px; flex: none; }
.log-line__msg { color: var(--text-soft); min-width: 0; overflow-wrap: anywhere; }
.log-line--ok .log-line__tag { color: var(--green); }
.log-line--info .log-line__tag { color: var(--blue); }
.log-line--warn .log-line__tag { color: var(--yellow); }
.log-line--error .log-line__tag { color: var(--accent); }

/* Rows (stack list, sites list) */
.rows { border-top: 1px solid var(--line); }
.row {
  display: grid; align-items: baseline; gap: 14px 32px; padding: 22px 0;
  border-bottom: 1px solid var(--line);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
}
.row__title { font-family: var(--font-mono); font-size: 14px; color: var(--accent); }
.row .tags { grid-column: span 2; }
.tag:hover { border-color: var(--accent); }
.tag--cell:hover { border-color: var(--line); }

.site-row {
  display: grid; align-items: baseline; gap: 12px 24px; padding: 20px 0;
  border-bottom: 1px solid var(--line);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
}
.site-row__name { font-weight: 600; font-size: 18px; }
.site-row__url { font-family: var(--font-mono); font-size: 14px; word-break: break-all; }
.site-row__note { color: var(--muted); }

/* Project cards */
.cards { display: grid; gap: 24px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 460px), 1fr)); }
.card {
  display: flex; flex-direction: column; gap: 16px; padding: 28px; cursor: pointer; text-align: left;
  background: var(--panel); border: 1px solid var(--line);
}
.card:hover { border-color: var(--accent); }
.card__head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.card__num { font-family: var(--font-mono); font-size: 56px; font-weight: 700; line-height: 1; color: transparent; -webkit-text-stroke: 1.5px var(--accent); }
.card__kind { font-family: var(--font-mono); font-size: 12px; color: var(--faint); text-align: right; }
.card__name { font-size: 26px; font-weight: 600; line-height: 1.2; margin-top: 8px; }
.card__desc { color: var(--muted); font-size: 16px; flex: 1; text-wrap: pretty; }
.card__more { font-family: var(--font-mono); font-size: 14px; color: var(--accent); }

/* Studies */
.numbered { border-top: 1px solid var(--line); }
.numbered li { display: grid; grid-template-columns: 40px 1fr; align-items: baseline; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 16px; font-weight: 500; }
.numbered__n { font-family: var(--font-mono); font-size: 12px; color: var(--faint); font-weight: 400; }
.cells { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); grid-template-columns: repeat(auto-fit, minmax(min(100%, 210px), 1fr)); }
.cell { display: flex; flex-direction: column; gap: 14px; padding: 22px; background: var(--bg); }
.cell__title { font-family: var(--font-mono); font-size: 13px; color: var(--green); }

/* Form */
.form { display: flex; flex-direction: column; gap: 16px; font-family: var(--font-mono); }
.input { width: 100%; padding: 14px 16px; background: var(--panel); border: 1px solid var(--line); font-size: 15px; outline: none; }
.input:focus { border-color: var(--accent); }
.input--area { min-height: 150px; resize: vertical; }
.form .btn { align-self: flex-start; }
.form__trap { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form__status { min-height: 20px; font-size: 13px; color: var(--green); }
.form__status--error { color: var(--accent); }

/* Project drawer */
.drawer { position: fixed; inset: 0; z-index: 100; display: flex; justify-content: flex-end; background: rgba(5, 6, 9, .72); backdrop-filter: blur(4px); }
.drawer__panel { width: min(760px, 100%); height: 100%; overflow-y: auto; background: var(--bg); border-left: 1px solid var(--line); animation: slide-in .25s ease; }
.drawer__bar {
  position: sticky; top: 0; z-index: 2; display: flex; justify-content: space-between; align-items: center;
  padding: 14px 28px; background: var(--bg); border-bottom: 1px solid var(--line);
  font-family: var(--font-mono); font-size: 13px; color: var(--faint);
}
.drawer__body { display: flex; flex-direction: column; gap: 32px; padding: 40px 28px 56px; }
.drawer__title { font-size: clamp(26px, 4vw, 36px); line-height: 1.15; font-weight: 600; margin-bottom: 14px; }
.drawer__label { font-family: var(--font-mono); font-size: 13px; color: var(--accent); margin-bottom: 14px; }
.bullets { display: flex; flex-direction: column; gap: 12px; }
.bullets li { display: grid; grid-template-columns: auto 1fr; gap: 12px; color: var(--muted); }
.bullets__mark { font-family: var(--font-mono); color: var(--green); }
.bullets strong { color: var(--text); font-weight: 600; }
.drawer__link { align-self: flex-start; }

/* Language switch */
.lang { display: inline-flex; border: 1px solid var(--line-strong); }
.lang button { background: none; border: 0; padding: 2px 9px; font-family: var(--font-mono); font-size: 12px; color: var(--muted); cursor: pointer; }
.lang button:hover { color: var(--accent); }
.lang button.is-active { background: var(--accent); color: var(--bg); font-weight: 700; }