/* ── Theme ─────────────────────────────────────────────── */
:root {
  --paper: #e9e4db;
  --paper-2: #e2ddd4;
  --panel: rgba(255, 255, 255, 0.55);
  --ink: #1d1b17;
  --ink-soft: rgba(29, 27, 23, 0.62);
  --line: rgba(29, 27, 23, 0.12);
  --accent: #1d1b17;
  --accent-fg: #f7f4ee;
  --green: #2f9e44;
  --shadow: 6px 6px 0 rgba(29, 27, 23, 0.08);
  --radius: 14px;
  --mono: "Space Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: "Manrope", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background:
    radial-gradient(circle at 15% 10%, rgba(255, 255, 255, 0.5), transparent 40%),
    linear-gradient(160deg, var(--paper) 0%, var(--paper-2) 100%);
  color: var(--ink);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.hidden { display: none !important; }

/* ── Boot screen ───────────────────────────────────────── */
#boot {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, #d6d2cc 0%, #e2deda 50%, #d8d4cf 100%);
  cursor: pointer;
  transition: opacity 0.5s ease;
}
#boot.done { opacity: 0; pointer-events: none; }

.boot-card {
  max-width: min(92vw, 560px);
  padding: 22px 26px;
  font-family: var(--mono);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.3);
  border: 1px solid rgba(29, 27, 23, 0.1);
  border-radius: 12px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(4px);
}
#boot-lines { font-size: 13px; line-height: 1.9; letter-spacing: 0.06em; }
#boot-lines .ok { color: var(--green); }
#boot-lines .cursor { display: inline-block; width: 8px; height: 1em; background: var(--ink); vertical-align: middle; animation: blink 1s steps(1) infinite; }
#boot-hint {
  margin-top: 14px;
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(29, 27, 23, 0.55);
  animation: blink 1.2s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ── App shell ─────────────────────────────────────────── */
#app { padding: 28px 16px 40px; }

.window {
  max-width: 980px;
  margin: 0 auto;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(6px);
  overflow: hidden;
}

.titlebar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-soft);
}
.dots { display: flex; gap: 6px; }
.dots span { width: 11px; height: 11px; border-radius: 50%; border: 1px solid rgba(29,27,23,.15); }
.dots span:nth-child(1) { background: #f2b8a0; }
.dots span:nth-child(2) { background: #e7d59a; }
.dots span:nth-child(3) { background: #a7c9a0; }

.layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 520px;
}

/* Sidebar */
#tabs {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 12px;
  border-right: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.18);
}
#tabs button {
  appearance: none;
  border: 1px solid transparent;
  background: transparent;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12.5px;
  text-align: left;
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}
#tabs button:hover { background: rgba(255, 255, 255, 0.5); }
#tabs button.active { background: var(--accent); color: var(--accent-fg); box-shadow: 3px 3px 0 rgba(29,27,23,.15); }
#tabs button .idx { opacity: 0.55; margin-right: 6px; }

/* Content */
#content { padding: 22px 26px; overflow-x: hidden; }
.panel { display: none; animation: fadein 0.25s ease; }
.panel.active { display: block; }
@keyframes fadein { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.section-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 14px;
}
.section-label::before { content: "› "; }

/* About */
.about-top { display: flex; flex-direction: column; align-items: center; gap: 18px; text-align: center; }
.avatar-frame {
  position: relative;
  width: 190px;
  height: 190px;
  margin: 0 auto;
  flex-shrink: 0;
}
.avatar-ring {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 4px 10px rgba(180, 130, 30, 0.35));
  transition: transform 0.5s ease;
}
.avatar-frame:hover .avatar-ring { transform: rotate(8deg); }
.avatar {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 146px;
  height: 146px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid #d9a92f;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.55), 0 6px 18px rgba(29, 27, 23, 0.18);
  background: rgba(255, 255, 255, 0.45);
}
.avatar .initials {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 34px;
  font-weight: 700;
  color: var(--ink-soft);
}
.avatar img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: grayscale(1); transition: filter 0.4s ease; }
.avatar:hover img { filter: grayscale(0); }
.avatar .online {
  position: absolute;
  bottom: 8px;
  right: 8px;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: var(--green);
  border: 3px solid var(--paper);
  box-shadow: 0 0 0 1px rgba(47, 158, 68, 0.45);
}

.about-meta { flex: 1; min-width: 240px; text-align: center; }
.about-name {
  font-family: var(--mono);
  font-size: clamp(22px, 4vw, 34px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  text-transform: uppercase;
}
.about-name .caret { display: inline-block; width: 2px; height: 1em; background: var(--ink); vertical-align: middle; margin-left: 2px; animation: blink 1s steps(1) infinite; }
.role-badge {
  display: inline-block;
  margin-top: 10px;
  background: var(--accent);
  color: var(--accent-fg);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 6px;
}
.about-bio { margin: 16px auto 0; font-size: 15px; line-height: 1.75; color: rgba(29,27,23,.82); max-width: 60ch; text-align: center; }

.chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
#tab-about .chip-row { justify-content: center; }

/* About quick links */
.about-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 18px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.mini-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  padding: 9px 14px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.15s ease;
}
.mini-link:hover { transform: translateY(-2px); box-shadow: 3px 3px 0 rgba(29, 27, 23, 0.1); background: rgba(255, 255, 255, 0.85); }
.mini-icon { font-size: 14px; }
.mini-label { letter-spacing: 0.04em; }
#tab-about .section-label { text-align: center; }
#tab-about .section-label::before { content: ""; }
.chip {
  font-family: var(--mono);
  font-size: 12px;
  padding: 6px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.5);
}

.email-row { display: flex; align-items: center; gap: 10px; margin-top: 20px; flex-wrap: wrap; }
.email-box {
  font-family: var(--mono);
  font-size: 13px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.5);
}
.btn-copy {
  font-family: var(--mono);
  font-size: 12px;
  border: 1px solid var(--line);
  background: var(--accent);
  color: var(--accent-fg);
  padding: 9px 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.1s ease, opacity 0.15s ease;
}
.btn-copy:hover { transform: translateY(-1px); opacity: 0.92; }
.copy-ok { color: var(--green); font-family: var(--mono); font-size: 12px; }

/* Skills */
.skill-group { margin-bottom: 24px; }
.skill-group h3 {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 12px;
}
.skill-list { display: flex; flex-wrap: wrap; gap: 10px; }
.skill-item {
  font-family: var(--mono);
  font-size: 13px;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 10px 13px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.skill-item .tag {
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 2px 5px;
}

/* Projects */
.project-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.project-card {
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.project-card:hover { transform: translateY(-3px); box-shadow: 5px 5px 0 rgba(29,27,23,.09); }
.project-card .date { font-family: var(--mono); font-size: 11px; color: var(--ink-soft); text-transform: uppercase; letter-spacing: 0.1em; }
.project-card h3 { font-family: var(--mono); font-size: 17px; text-transform: uppercase; }
.project-card p { font-size: 13.5px; line-height: 1.6; color: rgba(29,27,23,.78); flex: 1; }
.project-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.project-tags span { font-family: var(--mono); font-size: 11px; padding: 4px 8px; border-radius: 6px; background: rgba(29,27,23,.07); }
.project-links { display: flex; gap: 12px; font-family: var(--mono); font-size: 12.5px; }
.project-links a { color: var(--ink); font-weight: 700; text-decoration: none; border-bottom: 1px dashed var(--ink-soft); }
.project-links a:hover { border-bottom-style: solid; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; }
.contact-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px;
  text-decoration: none;
  color: var(--ink);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.contact-card:hover { transform: translateY(-3px); box-shadow: 5px 5px 0 rgba(29,27,23,.09); }
.contact-card .label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-soft); }
.contact-card .value { font-family: var(--mono); font-size: 14px; font-weight: 700; word-break: break-all; }

/* Education */
.edu-card {
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px;
  margin-bottom: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.edu-card .date { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-soft); }
.edu-card h3 { font-family: var(--mono); font-size: 16px; text-transform: uppercase; }
.edu-card p { font-size: 14px; color: rgba(29,27,23,.78); line-height: 1.6; }

/* Footer */
#site-footer {
  max-width: 980px;
  margin: 22px auto 0;
  text-align: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 760px) {
  .layout { grid-template-columns: 1fr; }
  #tabs { flex-direction: row; flex-wrap: wrap; border-right: none; border-bottom: 1px solid var(--line); }
  #tabs button { font-size: 12px; padding: 8px 10px; }
  #content { padding: 18px 16px; }
}

/* ── Status bar (phone style) ──────────────────────────── */
.statusbar {
  max-width: 980px;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink);
  box-shadow: 4px 4px 0 rgba(29, 27, 23, 0.07);
  backdrop-filter: blur(6px);
}
.sb-left { display: flex; align-items: center; gap: 8px; min-width: 0; }
.sb-avatar { width: 26px; height: 26px; border-radius: 50%; object-fit: cover; border: 1px solid var(--line); background: rgba(255,255,255,.4); }
.sb-name { font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sb-center { font-size: 11px; letter-spacing: 0.06em; color: var(--ink-soft); white-space: nowrap; }
.sb-right { display: flex; align-items: center; gap: 10px; }
.sb-time { font-weight: 700; }
.sb-signal { display: flex; align-items: flex-end; gap: 2px; }
.sb-signal i { display: block; width: 3px; border-radius: 1px; background: var(--ink); opacity: 0.85; }
.sb-signal i:nth-child(1) { height: 4px; }
.sb-signal i:nth-child(2) { height: 6px; }
.sb-signal i:nth-child(3) { height: 8px; }
.sb-signal i:nth-child(4) { height: 10px; }
.sb-battery { display: inline-flex; align-items: center; gap: 5px; }
.batt { position: relative; width: 24px; height: 11px; border: 1.5px solid var(--ink); border-radius: 3px; }
.batt::after { content: ""; position: absolute; right: -4px; top: 2px; width: 2.5px; height: 5px; background: var(--ink); border-radius: 1px; }
.batt .fill { position: absolute; left: 1px; top: 1px; bottom: 1px; width: 70%; background: var(--green); border-radius: 1px; transition: width 0.3s ease; }
.batt-txt { font-size: 11px; min-width: 34px; }
@media (max-width: 560px) {
  .sb-center { display: none; }
  .sb-name { max-width: 120px; }
}