:root {
  color-scheme: dark;
  --bg: #0b1020;
  --panel: #111827;
  --panel-2: #172033;
  --panel-3: #1f2937;
  --border: rgba(255, 255, 255, 0.09);
  --text: #f4f7fb;
  --muted: #9ca8ba;
  --accent: #7c8cff;
  --accent-strong: #6877ee;
  --danger: #ff7d91;
  --success: #62d69a;
  --shadow: 0 18px 45px rgba(0, 0, 0, 0.28);
  --sait: var(--discord-safe-area-inset-top, env(safe-area-inset-top, 0px));
  --saib: var(--discord-safe-area-inset-bottom, env(safe-area-inset-bottom, 0px));
  --sail: var(--discord-safe-area-inset-left, env(safe-area-inset-left, 0px));
  --sair: var(--discord-safe-area-inset-right, env(safe-area-inset-right, 0px));
}

* { box-sizing: border-box; }
html, body { width: 100%; min-height: 100%; margin: 0; }
body {
  min-height: 100vh;
  min-height: 100dvh;
  overflow: hidden;
  background: radial-gradient(circle at top, #17213c 0, var(--bg) 42%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  padding: var(--sait) var(--sair) var(--saib) var(--sail);
}
button, input, select { font: inherit; }
button { color: inherit; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small-label { display: block; color: var(--muted); font-size: 0.74rem; margin-top: 2px; }
.error-text { color: var(--danger); min-height: 1.3rem; margin: 8px 0 0; }

.app-shell { width: 100%; height: 100vh; height: 100dvh; }
.login-view { display: grid; place-items: center; width: 100%; height: 100%; padding: 24px; overflow: auto; }
.login-card {
  width: min(440px, 100%);
  padding: 30px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(31, 41, 55, 0.96), rgba(17, 24, 39, 0.98));
  box-shadow: var(--shadow);
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 18px;
  background: linear-gradient(145deg, var(--accent), #a36bff);
  font-weight: 900;
  letter-spacing: -0.08em;
  box-shadow: 0 10px 28px rgba(124, 140, 255, 0.34);
}
.login-card h1 { margin: 18px 0 5px; font-size: clamp(1.8rem, 5vw, 2.45rem); }
.login-form { display: grid; gap: 10px; margin-top: 26px; }
.login-form label { color: var(--muted); font-size: 0.88rem; font-weight: 700; }
.login-form input, .search-shell input {
  width: 100%;
  min-height: 50px;
  border: 1px solid var(--border);
  border-radius: 13px;
  background: #0b1222;
  color: var(--text);
  padding: 0 15px;
  outline: none;
}
.login-form input { font-size: 1.35rem; letter-spacing: 0.18em; text-align: center; }
.login-form input:focus, .search-shell input:focus, select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(124, 140, 255, 0.18); }
.hint { color: var(--muted); font-size: 0.85rem; line-height: 1.5; }

.primary-button, .secondary-button, .icon-button, .avatar-button, .mobile-bottom-bar button {
  border: 0;
  cursor: pointer;
  transition: transform 120ms ease, background 120ms ease, opacity 120ms ease;
}
.primary-button:active, .secondary-button:active, .icon-button:active, .avatar-button:active, .mobile-bottom-bar button:active { transform: scale(0.97); }
.primary-button {
  min-height: 44px;
  padding: 0 16px;
  border-radius: 12px;
  background: var(--accent);
  color: white;
  font-weight: 800;
}
.primary-button:hover { background: var(--accent-strong); }
.secondary-button {
  min-height: 40px;
  padding: 0 14px;
  border-radius: 11px;
  background: var(--panel-3);
  border: 1px solid var(--border);
  font-weight: 700;
}
.icon-button, .avatar-button {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: transparent;
  font-size: 1.25rem;
}
.icon-button:hover, .avatar-button:hover { background: rgba(255,255,255,0.07); }
.avatar-button { background: var(--accent); font-size: 0.82rem; font-weight: 900; }

.explorer-view { display: grid; grid-template-rows: auto minmax(0, 1fr); width: 100%; height: 100%; background: var(--bg); }
.topbar {
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 66px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(17, 24, 39, 0.96);
  backdrop-filter: blur(12px);
}
.brand-block { display: flex; align-items: center; gap: 10px; min-width: 170px; }
.brand-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 5px rgba(98,214,154,0.12); }
.branch-control { margin-left: auto; display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 0.82rem; font-weight: 700; }
.branch-control select {
  max-width: min(300px, 34vw);
  min-height: 40px;
  border: 1px solid var(--border);
  border-radius: 11px;
  padding: 0 34px 0 11px;
  background: var(--panel-2);
  color: var(--text);
}
.workspace { display: grid; grid-template-columns: 280px minmax(0, 1fr); min-height: 0; }
.tree-panel { display: grid; grid-template-rows: auto minmax(0, 1fr) auto; min-height: 0; background: var(--panel); border-right: 1px solid var(--border); }
.panel-heading { display: flex; align-items: center; justify-content: space-between; padding: 15px 16px 9px; font-size: 0.78rem; color: var(--muted); font-weight: 900; text-transform: uppercase; letter-spacing: 0.08em; }
.folder-tree { overflow: auto; padding: 5px 8px 14px; }
.tree-footer { padding: 12px; border-top: 1px solid var(--border); }
.tree-footer .secondary-button { width: 100%; }
.tree-item {
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: 38px;
  width: 100%;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--text);
  padding: 5px 8px;
  text-align: left;
  cursor: pointer;
}
.tree-item:hover, .tree-item.active { background: rgba(124, 140, 255, 0.14); }
.tree-item .chevron { width: 14px; color: var(--muted); text-align: center; }
.tree-item .tree-name { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }

.content-panel { display: grid; grid-template-rows: auto minmax(0, 1fr); min-width: 0; min-height: 0; background: #0d1424; }
.pathbar { display: flex; align-items: center; gap: 6px; min-height: 58px; padding: 8px 14px; border-bottom: 1px solid var(--border); background: rgba(13,20,36,0.95); }
.breadcrumbs { display: flex; align-items: center; gap: 4px; min-width: 0; overflow-x: auto; scrollbar-width: none; }
.breadcrumbs::-webkit-scrollbar { display: none; }
.crumb { flex: 0 0 auto; border: 0; border-radius: 8px; background: transparent; color: var(--muted); padding: 7px 8px; cursor: pointer; }
.crumb:hover, .crumb.current { background: rgba(255,255,255,0.06); color: var(--text); }
.crumb-separator { color: #566074; }
.list-view, .preview-view { min-height: 0; overflow: auto; }
.list-header, .file-row { display: grid; grid-template-columns: minmax(0, 1fr) 130px 100px; align-items: center; gap: 14px; }
.list-header { position: sticky; top: 0; z-index: 2; min-height: 42px; padding: 0 19px; color: var(--muted); font-size: 0.76rem; font-weight: 800; background: #101827; border-bottom: 1px solid var(--border); }
.file-list { padding: 8px; }
.file-row {
  width: 100%;
  min-height: 52px;
  border: 0;
  border-radius: 11px;
  background: transparent;
  color: var(--text);
  padding: 7px 11px;
  text-align: left;
  cursor: pointer;
}
.file-row:hover { background: rgba(255,255,255,0.055); }
.file-main { display: flex; align-items: center; gap: 11px; min-width: 0; }
.file-icon { display: grid; place-items: center; width: 33px; height: 33px; flex: 0 0 auto; border-radius: 10px; background: var(--panel-3); font-size: 1.1rem; }
.file-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 700; }
.file-type, .file-size { color: var(--muted); font-size: 0.82rem; }
.empty-state { display: grid; place-items: center; min-height: 220px; color: var(--muted); text-align: center; padding: 24px; }

.preview-view { padding: 18px; }
.preview-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 15px; margin-bottom: 15px; }
.preview-header h2 { margin: 0 0 4px; overflow-wrap: anywhere; }
.preview-actions { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.preview-body { min-height: 220px; border: 1px solid var(--border); border-radius: 16px; background: #070c16; overflow: auto; }
.preview-body pre { margin: 0; padding: 17px; min-width: max-content; color: #d9e2ef; font: 0.86rem/1.55 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; tab-size: 2; }
.preview-image { display: block; max-width: 100%; max-height: 72vh; margin: auto; object-fit: contain; padding: 18px; }
.preview-message { padding: 28px; color: var(--muted); text-align: center; }

.search-dialog { width: min(680px, calc(100vw - 24px)); max-height: min(78vh, 760px); padding: 0; border: 1px solid var(--border); border-radius: 20px; background: var(--panel); color: var(--text); box-shadow: var(--shadow); }
.search-dialog::backdrop { background: rgba(0,0,0,0.62); backdrop-filter: blur(5px); }
.search-shell { display: grid; grid-template-rows: auto auto minmax(0, 1fr); gap: 12px; max-height: inherit; padding: 16px; }
.search-heading { display: flex; align-items: center; justify-content: space-between; }
.search-heading h2 { margin: 0; font-size: 1.15rem; }
.search-results { overflow: auto; display: grid; gap: 5px; }
.search-result { display: flex; align-items: center; gap: 9px; min-height: 48px; border: 0; border-radius: 11px; background: transparent; color: var(--text); text-align: left; padding: 8px 10px; cursor: pointer; }
.search-result:hover { background: rgba(255,255,255,0.06); }
.search-result span:last-child { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.toast { position: fixed; left: 50%; bottom: calc(22px + var(--saib)); z-index: 60; transform: translateX(-50%); max-width: calc(100vw - 32px); padding: 11px 15px; border-radius: 12px; background: #242d42; border: 1px solid var(--border); box-shadow: var(--shadow); }
.mobile-only { display: none; }
.mobile-bottom-bar { display: none; }


.where-card {
  margin: 16px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--panel);
}
.where-heading h2 { margin: 2px 0 12px; }
.where-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.where-item {
  display: grid;
  gap: 6px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--panel-2);
}
.where-item strong { font-size: 0.94rem; }
.where-item span { color: var(--muted); font-size: 0.84rem; line-height: 1.45; }

@media (max-width: 760px) {
  body { overflow: hidden; }
  .desktop-only { display: none !important; }
  .mobile-only { display: inline-grid; }
  .explorer-view { grid-template-rows: auto minmax(0, 1fr) auto; }
  .topbar { min-height: 58px; padding: 7px 9px; gap: 4px; }
  .brand-block { min-width: 0; flex: 1; }
  .brand-block > div { min-width: 0; }
  #repoName { display: block; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; max-width: 28vw; }
  .brand-dot { width: 9px; height: 9px; }
  .branch-control { margin-left: 0; }
  .branch-control span { display: none; }
  .branch-control select { max-width: 30vw; min-height: 38px; padding-left: 8px; }
  .topbar > .icon-button, .topbar > .avatar-button { width: 38px; height: 38px; }
  #refreshButton { display: none; }
  .workspace { display: block; min-height: 0; position: relative; }
  .tree-panel {
    position: absolute;
    z-index: 40;
    inset: 0 auto 0 0;
    width: min(86vw, 340px);
    transform: translateX(-105%);
    transition: transform 180ms ease;
    box-shadow: var(--shadow);
  }
  .tree-panel.open { transform: translateX(0); }
  .content-panel { height: 100%; }
  .pathbar { min-height: 51px; padding: 5px 8px; }
  .file-list { padding: 6px; }
  .file-row { display: flex; align-items: center; justify-content: space-between; min-height: 58px; padding: 8px; }
  .file-row::after { content: "›"; color: var(--muted); font-size: 1.4rem; }
  .file-main { flex: 1; }
  .file-icon { width: 38px; height: 38px; }
  .file-type, .file-size { display: none; }
  .preview-view { padding: 12px; }
  .preview-header { display: block; }
  .preview-actions { justify-content: stretch; margin-top: 12px; }
  .preview-actions button { flex: 1; }
  .preview-body { max-height: calc(100dvh - 260px); }
  .mobile-bottom-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    min-height: 60px;
    padding: 4px 6px calc(4px + var(--saib));
    border-top: 1px solid var(--border);
    background: rgba(17,24,39,0.98);
  }
  .mobile-bottom-bar button { display: grid; place-items: center; align-content: center; gap: 1px; min-height: 50px; border-radius: 10px; background: transparent; }
  .mobile-bottom-bar button:hover { background: rgba(255,255,255,0.06); }
  .mobile-bottom-bar span { font-size: 1.25rem; line-height: 1; }
  .mobile-bottom-bar small { color: var(--muted); font-size: 0.68rem; }
  .toast { bottom: calc(76px + var(--saib)); }
  .search-dialog { width: calc(100vw - 12px); max-height: calc(100dvh - 20px); border-radius: 16px; }
}

@media (max-width: 420px) {
  .login-view { padding: 12px; }
  .login-card { padding: 22px 18px; border-radius: 19px; }
  #repoName { max-width: 23vw; }
  .branch-control select { max-width: 27vw; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}

/* v1.0.29 submission inbox */
.mode-tabs { display: flex; gap: 4px; padding: 4px; border: 1px solid var(--border); border-radius: 12px; background: #0b1222; }
.mode-tab { min-height: 34px; border: 0; border-radius: 9px; padding: 0 12px; background: transparent; color: var(--muted); font-weight: 800; cursor: pointer; }
.mode-tab.active { background: var(--panel-3); color: var(--text); }
.explorer-view.submission-mode .files-only { display: none !important; }
.submissions-view { min-height: 0; overflow: auto; padding: 18px; background: #0d1424; }
.submissions-heading-card, .submission-card {
  border: 1px solid var(--border);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(23,32,51,.96), rgba(17,24,39,.98));
  box-shadow: var(--shadow);
}
.submissions-heading-card { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding: 20px; margin-bottom: 16px; }
.submissions-heading-card h1, .submission-card h2 { margin: 0; }
.submissions-heading-card p:last-child { max-width: 820px; line-height: 1.5; margin-bottom: 0; }
.eyebrow { margin: 0 0 5px; color: var(--accent); font-size: .72rem; font-weight: 900; text-transform: uppercase; letter-spacing: .1em; }
.submissions-grid { display: grid; grid-template-columns: minmax(340px, .9fr) minmax(360px, 1.1fr); gap: 16px; align-items: start; }
.submission-card { padding: 18px; min-width: 0; }
.card-title-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.limit-pill { flex: 0 0 auto; border: 1px solid var(--border); border-radius: 999px; background: #0b1222; color: var(--muted); padding: 7px 10px; font-size: .75rem; font-weight: 800; }
.submission-form { display: grid; gap: 14px; }
.submission-form label { display: grid; gap: 7px; }
.submission-form label > span:first-child { color: var(--muted); font-size: .8rem; font-weight: 800; }
.submission-form input:not([type="checkbox"]), .submission-form select, .submission-form textarea {
  width: 100%; border: 1px solid var(--border); border-radius: 12px; background: #0b1222; color: var(--text); padding: 11px 12px; outline: none;
}
.submission-form input:not([type="checkbox"]), .submission-form select { min-height: 44px; }
.submission-form textarea { resize: vertical; min-height: 100px; line-height: 1.45; }
.submission-form input:focus, .submission-form select:focus, .submission-form textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(124,140,255,.18); }
.form-row { display: grid; grid-template-columns: .7fr 1.3fr; gap: 12px; }
.upload-dropzone { display: grid; place-items: center; gap: 8px; min-height: 160px; border: 1px dashed rgba(124,140,255,.55); border-radius: 16px; background: rgba(124,140,255,.07); text-align: center; padding: 18px; outline: none; }
.upload-dropzone.dragging, .upload-dropzone:focus { border-color: var(--accent); background: rgba(124,140,255,.14); }
.upload-dropzone > span { color: var(--muted); font-size: .82rem; line-height: 1.45; }
.upload-actions { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; margin-top: 4px; }
.selected-files-summary { font-size: .82rem; }
.selected-files-list { display: grid; gap: 6px; max-height: 230px; overflow: auto; }
.selected-file-row { display: grid; grid-template-columns: minmax(0,1fr) auto auto; align-items: center; gap: 8px; min-height: 42px; border: 1px solid var(--border); border-radius: 10px; background: #0b1222; padding: 7px 9px; }
.selected-file-row .path { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: .82rem; }
.selected-file-row .size { color: var(--muted); font-size: .75rem; }
.remove-file-button { width: 30px; height: 30px; border: 0; border-radius: 8px; background: transparent; color: var(--danger); cursor: pointer; }
.remove-file-button:hover { background: rgba(255,125,145,.1); }
.confirmation-row { grid-template-columns: auto 1fr !important; align-items: start; gap: 10px !important; color: var(--muted); font-size: .82rem; line-height: 1.45; }
.confirmation-row input { margin-top: 3px; width: 18px; height: 18px; }
.submit-wide { width: 100%; min-height: 48px; }
.submissions-list { display: grid; gap: 9px; }
.submission-item { border: 1px solid var(--border); border-radius: 14px; background: #0b1222; padding: 13px; }
.submission-item-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.submission-item h3 { margin: 0; font-size: .98rem; overflow-wrap: anywhere; }
.submission-meta { display: flex; flex-wrap: wrap; gap: 7px 12px; margin-top: 8px; color: var(--muted); font-size: .76rem; }
.status-pill { border-radius: 999px; padding: 5px 8px; font-size: .68rem; font-weight: 900; text-transform: uppercase; letter-spacing: .05em; }
.status-pill.open { background: rgba(98,214,154,.13); color: var(--success); }
.status-pill.closed { background: rgba(156,168,186,.12); color: var(--muted); }
.submission-item-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 11px; }
.submission-item-actions a, .submission-item-actions button { display: inline-grid; place-items: center; min-height: 36px; border: 1px solid var(--border); border-radius: 9px; background: var(--panel-3); color: var(--text); padding: 0 11px; text-decoration: none; font-size: .78rem; font-weight: 800; cursor: pointer; }
.mobile-bottom-bar button.active { background: rgba(124,140,255,.16); color: var(--text); }

@media (max-width: 980px) {
  .submissions-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .desktop-mode-tabs { display: none; }
  .submissions-view { padding: 10px 9px 18px; }
  .submissions-heading-card { display: block; padding: 15px; border-radius: 15px; }
  .submissions-heading-card .secondary-button { width: 100%; margin-top: 12px; }
  .submission-card { padding: 14px; border-radius: 15px; }
  .form-row { grid-template-columns: 1fr; }
  .upload-dropzone { min-height: 145px; }
  .selected-file-row { grid-template-columns: minmax(0,1fr) auto auto; }
  .explorer-view.submission-mode { grid-template-rows: auto minmax(0,1fr) auto; }
  .explorer-view.submission-mode .brand-block { flex: 1; }
  .mobile-bottom-bar { grid-template-columns: repeat(5, 1fr); }
}

@media (max-width: 760px) {
  .where-card { margin: 10px; padding: 12px; }
  .where-grid { grid-template-columns: 1fr; }
}