/* ==========================================================================
   base.css — global type, the app shell (status bar / rail / screens / tab bar)
   ========================================================================== */
html { overflow-x: clip; }

html, body { height: 100%; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--text);
  /* the "desk" behind the phone — soft ambient light, both themes */
  background:
    radial-gradient(40vw 48vw at 3% 20%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 70%),
    radial-gradient(42vw 50vw at 99% 84%, color-mix(in srgb, var(--accent-2) 12%, transparent), transparent 70%),
    color-mix(in srgb, var(--bg) 72%, var(--text-3));
  overflow: hidden;                 /* the page never scrolls — the card does */
}

/* fine dot grid + soft vignette on the free space around the phone */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: radial-gradient(color-mix(in srgb, var(--text-3) 50%, transparent) 0.5px, transparent 0.6px);
  background-size: 26px 26px;
  opacity: 0.22;
  -webkit-mask-image: radial-gradient(115% 85% at 50% 45%, #000, transparent 80%);
          mask-image: radial-gradient(115% 85% at 50% 45%, #000, transparent 80%);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(135% 120% at 50% 40%, transparent 62%, color-mix(in srgb, var(--text-3) 45%, transparent));
  opacity: 0.4;
}

body.no-scroll { overflow: hidden; }

/* ---------- iPhone 16 DEVICE FRAME (Dynamic Island) ---------- */
.device {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: var(--device-w);
  z-index: 1;
  padding: var(--bezel);
  border-radius: var(--device-r);
  background:
    linear-gradient(145deg, #6f7075 0%, #2b2c30 18%, #0c0c0e 46%, #232428 74%, #55565b 100%);
  box-shadow:
    0 44px 100px -26px rgba(0, 0, 0, 0.55),
    0 6px 24px -6px rgba(0, 0, 0, 0.4),
    inset 0 0 0 2px rgba(0, 0, 0, 0.92),
    inset 0 0 0 3px rgba(255, 255, 255, 0.06);
}

.device-screen {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: var(--screen-r);
  overflow: hidden;
  background: var(--bg);
  box-shadow: inset 0 0 0 3px #000;
  /* containing block for the floating toggle / any in-screen fixed UI */
  transform: translateZ(0);
}

/* Dynamic Island — a floating pill near the top centre */
.device-island {
  position: absolute;
  top: var(--island-top);
  left: 50%;
  transform: translateX(-50%);
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 13px;
  width: var(--island-w);
  height: var(--island-h);
  background: #000;
  border-radius: 999px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.45);
}
.device-island-cam {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 30%, #26333f, #05070a 68%);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.05);
}

.device-btn {
  position: absolute;
  width: 4px;
  border-radius: 3px;
  background: linear-gradient(180deg, #55565c, #17171b 55%, #45464c);
  box-shadow: 0 0 3px rgba(0, 0, 0, 0.55);
}
/* left edge: Action button, then volume up / down */
.device-btn--action {
  left: -3px;
  top: 17%;
  height: clamp(30px, 4.5vh, 52px);
}
.device-btn--volup {
  left: -3px;
  top: calc(17% + clamp(30px, 4.5vh, 52px) + 26px);
  height: clamp(58px, 9vh, 104px);
}
.device-btn--voldn {
  left: -3px;
  top: calc(17% + clamp(30px, 4.5vh, 52px) + 26px + clamp(58px, 9vh, 104px) + 16px);
  height: clamp(58px, 9vh, 104px);
}
/* right edge: side button, then Camera Control */
.device-btn--power {
  right: -3px;
  top: 23%;
  height: clamp(96px, 15vh, 172px);
}
.device-btn--camera {
  right: -4px;
  top: calc(23% + clamp(96px, 15vh, 172px) + 30px);
  width: 5px;
  height: clamp(34px, 5vh, 60px);
}

/* ---------- OUTER SHELL: scrollable card inside the device screen ---------- */
.shell {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  padding: calc(var(--frame) + var(--status-h)) var(--frame) var(--frame);
}

.shell-card {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  /* soft colour grading — a whisper of the two accents, top and bottom */
  background:
    linear-gradient(
      176deg,
      color-mix(in srgb, var(--accent) 5%, var(--bg)) 0%,
      var(--bg) 42%,
      color-mix(in srgb, var(--accent-2) 5%, var(--bg)) 100%
    );
  border: 1px solid var(--border-2);
  border-radius: var(--r-frame);
  box-shadow: var(--shadow-2);
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

/* hide every scrollbar — scrolling still works */
* {
  scrollbar-width: none;              /* Firefox */
  -ms-overflow-style: none;           /* old Edge / IE */
}
*::-webkit-scrollbar {                 /* Chrome / Safari / Edge */
  width: 0;
  height: 0;
  display: none;
}

strong { font-weight: 700; color: var(--text); }
em { font-style: normal; }

.skip-link {
  position: fixed;
  top: 0.5rem;
  left: 0.5rem;
  z-index: 200;
  padding: 0.6rem 1rem;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
  border-radius: var(--r-sm);
  transform: translateY(-150%);
  transition: transform 0.2s var(--ease);
}
.skip-link:focus { transform: translateY(0); }

/* ---------- APP FRAME ---------- */
.app {
  min-height: 100%;
  display: grid;
  grid-template-columns: var(--rail-w) minmax(0, 1fr);
  grid-template-areas: "rail main";
}

/* ---------- iOS STATUS BAR (in the device strip, beside the Dynamic Island) ---------- */
.statusbar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 30;
  height: var(--status-h);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0 clamp(1.1rem, 4vw, 2.6rem);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--text-2);
}
.statusbar-time { color: var(--text); font-weight: 600; font-variant-numeric: tabular-nums; }
.statusbar-title { display: flex; align-items: center; gap: 0.5rem; margin-right: auto; text-transform: uppercase; }
.statusbar-crumb { color: var(--text-3); }
.statusbar-sep { color: var(--text-3); }
.statusbar-screen { color: var(--accent); }
.statusbar-icons { display: flex; align-items: center; gap: 0.4rem; color: var(--text); }

/* ---------- DESKTOP RAIL ---------- */
.rail {
  grid-area: rail;
  position: sticky;
  top: 0;
  align-self: start;
  height: var(--card-h);
  z-index: 95;
  display: flex;
  flex-direction: column;
  padding: 1.35rem 0.8rem 1.1rem;
  background:
    linear-gradient(180deg,
      color-mix(in srgb, var(--accent) 4%, var(--bg-screen)),
      var(--bg-screen) 30%);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.rail-brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.2rem 0.5rem 1rem;
  margin-bottom: 0.85rem;
  border-bottom: 1px solid var(--border);
}
.app-icon {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  flex-shrink: 0;
  box-shadow: 0 6px 18px -8px color-mix(in srgb, var(--accent) 55%, transparent);
}
.rail-brand-text { display: flex; flex-direction: column; line-height: 1.3; min-width: 0; }
.rail-brand-text strong {
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: -0.01em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.rail-brand-text em { font-size: 0.72rem; color: var(--text-3); }

.rail-kicker {
  padding: 0 0.75rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-3);
}

.rail-nav { position: relative; display: flex; flex-direction: column; gap: 0.15rem; }
.rail-indicator { display: none; }

.rail-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  height: 44px;
  padding: 0 0.65rem 0 0.75rem;
  border-radius: 12px;
  color: var(--text-2);
  font-weight: 550;
  font-size: 0.9rem;
  letter-spacing: -0.005em;
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease);
}
/* rounded accent bar that grows in on the active row */
.rail-link::before {
  content: "";
  position: absolute;
  left: -0.8rem;
  top: 50%;
  height: 0;
  width: 3px;
  border-radius: 3px;
  background: var(--accent);
  transform: translateY(-50%);
  transition: height 0.3s var(--ease);
}
.rail-link .ic {
  width: 19px;
  height: 19px;
  flex-shrink: 0;
  opacity: 0.62;
  transition: opacity 0.2s, color 0.2s, transform 0.2s var(--ease);
}
.rail-num {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-variant-numeric: tabular-nums;
  color: var(--text-3);
  opacity: 0.55;
  transition: color 0.2s, opacity 0.2s;
}

.rail-link:hover {
  color: var(--text);
  background-color: color-mix(in srgb, var(--surface) 70%, transparent);
}
.rail-link:hover .ic { opacity: 1; transform: translateX(1px); }

.rail-link.is-active {
  color: var(--accent);
  background-color: var(--accent-soft);
  font-weight: 650;
}
.rail-link.is-active .ic { opacity: 1; color: var(--accent); }
.rail-link.is-active .rail-num { color: var(--accent); opacity: 0.9; }
.rail-link.is-active::before { height: 22px; }

.rail-foot { margin-top: auto; padding-top: 1rem; }
.rail-card {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.65rem 0.7rem;
  border-radius: 14px;
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--border);
  margin-bottom: 0.6rem;
}
.rail-card img {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 45%, transparent);
}
.rail-card-text { display: flex; flex-direction: column; gap: 0.15rem; line-height: 1.2; min-width: 0; }
.rail-card-text strong { font-size: 0.78rem; font-family: var(--font-display); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rail-card-text span { display: flex; align-items: center; gap: 0.4rem; font-size: 0.68rem; color: var(--text-3); }
.rail-card-text .dot { width: 6px; height: 6px; }

.rail-foot-actions { display: flex; align-items: center; gap: 0.5rem; }
.rail-foot-actions .btn { flex: 1; }

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--live);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--live) 60%, transparent);
  animation: pulse-dot 2.4s var(--ease) infinite;
  flex-shrink: 0;
}

/* ---------- SCREENS ---------- */
.screens { grid-area: main; display: flex; flex-direction: column; min-width: 0; }

.screen {
  position: relative;
  padding: clamp(2.75rem, 5.5vh, 4.5rem) var(--pad-screen);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  scroll-margin-top: 1rem;
  border-bottom: 1px solid var(--border);
}
.screen > * { width: 100%; max-width: var(--maxw); margin-inline: auto; min-width: 0; }
.screen:nth-child(even) {
  background:
    linear-gradient(
      176deg,
      color-mix(in srgb, var(--accent) 4%, var(--bg-screen)) 0%,
      var(--bg-screen) 60%
    );
}

/* the opening and closing screens still fill the viewport */
.screen-home,
.screen-contact {
  min-height: var(--card-h);
  justify-content: center;
}

.home-grid, .home-grid > *,
.profile-grid, .profile-grid > *,
.code-band, .code-band > * { min-width: 0; }

.screen-head { margin-bottom: clamp(2rem, 5vh, 3.5rem); }
.screen-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 1rem;
}
.screen-label span { color: var(--accent); }
.screen-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.9rem, 3.4vw, 3.4rem);
  line-height: 1.06;
  letter-spacing: -0.03em;
  max-width: 18ch;
}
.screen-sub {
  margin-top: 1rem;
  color: var(--text-2);
  font-size: 1.02rem;
  max-width: 52ch;
}

/* ---------- MOBILE TAB BAR ---------- */
.tabbar { display: none; }
.theme-toggle.theme-toggle-float { display: none; }

/* ---------- FOOTER ---------- */
.app-footer {
  max-width: none !important;
  padding: 2.5rem var(--pad-screen);
  text-align: center;
  color: var(--text-3);
  font-size: 0.82rem;
  background: var(--bg-screen);
}
.app-footer p + p { margin-top: 0.35rem; }
.app-footer strong { color: var(--text-2); }