/**************************************
 * THEME & GLOBAL
 **************************************/
:root{
  --bg: #0f1115;
  --elev: #151923;
  --text: #e6e6e6;
  --muted:#93a0b4;
  --primary:#5b9dff;
  --danger:#ff6b6b;
  --border:#2a3242;

  --sidebar-w: 240px;
  --sidebar-bg: #0b1230;
  --sidebar-text: #c8d0e2;
  --sidebar-muted:#9aa4bc;
  --sidebar-active:#3351ff;
  --sidebar-hover: rgba(255,255,255,.08);
}
:root.light{
  --bg:#f6f8fc;
  --elev:#ffffff;
  --text:#1b2430;
  --muted:#5b677a;
  --primary:#2f6bff;
  --danger:#e14b4b;
  --border:#e5e9f1;

  --sidebar-bg:#ffffff;
  --sidebar-text:#213247;
  --sidebar-muted:#5b677a;
  --sidebar-active:#2f6bff;
  --sidebar-hover: rgba(0,0,0,.06);
}

*{box-sizing:border-box}
/* 🔧 FIX SCROLL: dùng min-height + overflow-y */
html,body{
  min-height:100%;
  height:auto;
  max-width:100%;
}
html{ overflow-y:auto; }
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font:16px/1.5 system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji","Segoe UI Emoji";
  overflow-y:auto;
  overscroll-behavior-y: contain;
}

/**************************************
 * SIDEBAR
 **************************************/
body:has(.sidebar){ padding-left: var(--sidebar-w); }
.sidebar{
  position: fixed; inset: 0 auto 0 0;
  width: var(--sidebar-w);
  background: var(--sidebar-bg);
  border-right:1px solid var(--border);
  display:flex; flex-direction:column; gap:8px; z-index:20;
  overflow-y:auto;
}
.sidebar__logo{ display:flex; align-items:center; gap:10px; padding:18px 16px 10px; color:var(--sidebar-text); }
.sidebar__logo .logo{ font-size:22px; }
.sidebar__logo h2{ font-size:18px; margin:0; }

.sidebar__nav{ display:flex; flex-direction:column; padding:6px; }
.sidebar__nav a{
  display:flex; align-items:center; gap:12px; padding:10px 12px; margin:2px 4px;
  text-decoration:none; color:var(--sidebar-text);
  border-radius:8px; transition: background .2s, color .2s;
}
.sidebar__nav a:hover{ background: var(--sidebar-hover); color:#fff; }
.sidebar__nav a.active{ background: var(--sidebar-active); color:#fff; font-weight:600; }
.sidebar__nav a .icon{ width:20px; display:inline-flex; justify-content:center; opacity:.9; }

.sidebar__group{ margin:4px 6px; }
.sidebar__group>summary{
  list-style:none; cursor:pointer; display:flex; align-items:center; gap:12px;
  padding:10px 12px; border-radius:8px; color:var(--sidebar-text);
  transition: background .2s, color .2s;
}
.sidebar__group>summary::-webkit-details-marker{ display:none; }
.sidebar__group>summary:hover{ background: var(--sidebar-hover); color:#fff; }
.sidebar__group[open]>summary{ background: var(--sidebar-hover); }
.submenu{ display:flex; flex-direction:column; padding:6px 0 6px 32px; gap:2px; }
.submenu a{ display:flex; align-items:center; gap:10px; padding:8px 10px; border-radius:8px; text-decoration:none; color:var(--sidebar-text); }
.submenu a:hover{ background: var(--sidebar-hover); color:#fff; }

@media (max-width: 900px){
  :root{ --sidebar-w: 72px; }
  .sidebar__logo h2{ display:none; }
  .sidebar__nav a{ justify-content:center; gap:8px; }
  .sidebar__nav a .label{ display:none; }
}

/**************************************
 * TOPBAR
 **************************************/
.topbar{
  position:sticky; top:0; z-index:10;
  display:flex; align-items:center; justify-content:space-between;
  padding:12px 16px; gap:12px;
  background:var(--elev); border-bottom:1px solid var(--border);
}
.brand{display:flex; align-items:center; gap:10px}
.brand .logo{font-size:22px}
.brand h1{font-size:18px; margin:0}

.actions{display:flex; align-items:center; gap:8px; flex-wrap:wrap}
.search-group{
  display:flex; align-items:stretch; gap:6px; background:var(--bg);
  border:1px solid var(--border); border-radius:12px; padding:6px;
}
.search-group input{
  background:transparent; border:none; color:var(--text); outline:none; min-width:240px;
}

/**************************************
 * LAYOUT: VIDEOS PAGE
 **************************************/
.videos-wrap{
  max-width:1100px;
  margin:24px auto;
  padding:0 16px;
  display:grid;
  gap:16px;
  min-height: 0; /* 🔧 tránh block con overflow */
}
.vid-toolbar{
  display:flex; align-items:center; justify-content:space-between;
  background: var(--elev);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  gap: 10px;
}
.vid-tools-left{ display:flex; gap:8px; flex-wrap:wrap; align-items:center; }
.vid-tools-right .muted{ color: var(--muted); }

.vid-content{ padding: 8px 0; min-height: 40vh; }
#vid-grid{
  display:grid;
  gap:16px;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}
.dropzone{ border:2px dashed transparent; border-radius:14px; transition:border-color .15s; }
.dropzone.dragover{ border-color: var(--primary); }

/**************************************
 * CARD
 **************************************/
.card{
  background:var(--elev); border:1px solid var(--border);
  border-radius:16px; padding:14px; display:flex; flex-direction:column; gap:8px;
  transition:transform .15s ease, box-shadow .15s ease;
}
.card:hover{transform:translateY(-2px); box-shadow:0 8px 24px rgba(0,0,0,.15)}
.card-title{margin:0; font-size:16px}
.card-meta{margin:0; color:var(--muted); font-size:13px}
.card-actions{display:flex; gap:8px; flex-wrap:wrap}

/**************************************
 * THUMBNAIL + PLAY
 **************************************/
.vid-card .vid-thumb{
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #0b0e14;
  background-size: cover;
  background-position: center center;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.vid-card .vid-thumb::after{
  content:"";
  position:absolute; inset:0;
  background: transparent;
  transition: background .2s ease;
  pointer-events: none; /* không chặn click */
}
.vid-card .vid-thumb:hover::after{ background: rgba(0,0,0,.15); }

.vid-card .btn-play{
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 64px; height: 64px;
  display: grid; place-items: center;
  border-radius: 999px;
  border: none;
  background: rgba(0,0,0,.45);
  backdrop-filter: blur(2px);
  color: #fff;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  transition: transform .12s ease, filter .12s ease, background .12s ease;
  z-index: 2;
}
.vid-card .btn-play:hover{ filter: brightness(1.15); transform: translate(-50%, -50%) scale(1.04); }
.vid-card .btn-play:active{ transform: translate(-50%, -50%) scale(0.98); }
.vid-card .btn-play:focus-visible{ outline: 2px solid #fff3; outline-offset: 2px; }

/**************************************
 * DELETE BUTTON (theo .show-delete)
 **************************************/
.vid-card .btn-del{ margin-top: 8px; display: none; }
.vid-card.show-delete .btn-del{ display: inline-block; }

/**************************************
 * BASIC DIALOG
 **************************************/
.dialog{
  border:none; padding:0; border-radius:16px; width:min(980px, 96vw);
  background:var(--elev); color:var(--text); border:1px solid var(--border);
}
.dialog::backdrop{ background: rgba(0,0,0,.5); }

/**************************************
 * THEATER DOCKED (né sidebar/topbar)
 **************************************/
.dialog--theater{
  position: fixed;
  top: var(--topbar-h, 56px);
  left: var(--sidebar-w);
  right: 0;
  bottom: 0;

  width: auto; height: auto;
  max-width: none; max-height: none;

  border-radius: 0;
  margin: 0; padding: 0;
  overflow: hidden;
  background: transparent;
  border: none;
}
.dialog--theater::backdrop{
  background: transparent;
}

.theater{
  width: 100%; height: 100%;
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(280px, 1.3fr);
  gap: 0;
  background: #000;
  overflow: hidden;
}

/* Cột trái: player + meta */
.theater__main{
  display: grid;
  grid-template-rows: auto 1fr;
  min-width: 0; height: 100%;
  background: #000;
  overflow: hidden;
}
.theater__playerWrap{ width: 100%; background: #000; }
.theater__player{
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
}
.theater__player iframe,
.theater__player video{
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  border: 0; background: #000;
}
.theater__meta{
  padding: 12px 16px 16px;
  background: var(--elev);
  border-top: 1px solid var(--border);
  overflow: auto;
}
.theater__title{
  margin: 0 0 10px;
  font-size: 18px; line-height: 1.35;
  color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.theater__note{ display:flex; flex-direction:column; gap:8px; }
.theater__note label{ font-size: 13px; color: var(--muted); }
#theater-note{
  width:100%; min-height: 110px; max-height: 40vh;
  resize: vertical;
  padding: 10px 12px; border-radius: 10px;
  background: var(--bg); color: var(--text);
  border: 1px solid var(--border);
  outline: none;
}
#theater-note:focus{ box-shadow: 0 0 0 2px rgba(91,157,255,.25); }
.note-status{ font-size:12px; color: var(--muted); min-height:16px; }

/* Cột phải: gợi ý */
.theater__side{
  display:flex; flex-direction:column;
  min-width:280px;
  background: var(--elev);
  border-left: 1px solid var(--border);
  overflow: hidden;
}
.theater__side-header{
  padding:10px 12px; border-bottom:1px solid var(--border);
  font-weight:600;
}
.theater__list{ overflow: auto; padding:8px; }
.theater-item{
  display:flex; gap:10px; padding:8px;
  border-radius:10px; cursor:pointer;
  border:1px solid transparent;
}
.theater-item:hover{ background:rgba(255,255,255,.05); }
.theater-item.active{ background:rgba(90,160,255,.12); border-color:rgba(90,160,255,.35); }
.theater-thumb{
  flex:0 0 120px; aspect-ratio:16/9;
  background:#0b0e14; background-size:cover; background-position:center;
  border-radius:8px; border:1px solid var(--border);
}
.theater-meta{ display:flex; flex-direction:column; gap:4px; min-width:0; }
.theater-title{ font-size:14px; margin:0; line-height:1.3; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.theater-sub{ font-size:12px; color:var(--muted); }

/* Ẩn cột gợi ý khi màn nhỏ */
@media (max-width: 860px){
  .theater{ grid-template-columns: 1fr; }
  .theater__side{ display: none; }
}

/**************************************
 * BUTTONS & MISC
 **************************************/
.btn{
  background:var(--bg); border:1px solid var(--border); color:var(--text);
  padding:8px 10px; border-radius:10px; cursor:pointer;
}
.btn:hover{filter:brightness(1.08)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--primary); border-color:transparent; color:#fff}
.btn-danger{ background: var(--danger); border-color: transparent; color: #fff; }
.btn-ghost{background:transparent}
.muted{ color: var(--muted); }

@media (max-width: 640px){
  #vid-grid{ grid-template-columns: 1fr; }
  .vid-toolbar{ flex-direction: column; align-items: stretch; gap: 8px; }
  .vid-card .btn-play{ width:72px; height:72px; font-size:24px; }
}


/* =========================================
   Add / Edit Link Dialog (đẹp & mượt)
   ========================================= */
#vid-edit-dialog{
  width: min(720px, 92vw);
  padding: 0;
  border-radius: 18px;
  border: 1px solid var(--border);
  background:
    linear-gradient(180deg,
      color-mix(in oklab, var(--elev), transparent 0%),
      color-mix(in oklab, var(--elev), transparent 8%)
    );
  box-shadow: 0 20px 60px rgba(0,0,0,.40);
  animation: dlg-pop .16s ease-out;
}
@keyframes dlg-pop{
  from{ transform: translateY(6px) scale(.985); opacity: 0; }
  to{   transform: translateY(0)   scale(1);    opacity: 1; }
}

#vid-edit-form{
  display: grid;
  gap: 14px;
  padding: 16px 16px 12px;
}

#vid-dialog-title{
  margin: 0;
  font-size: 20px;
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: .2px;
  padding: 12px 4px 10px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 6px;
}

/* Hàng/nhãn gọn gàng */
#vid-edit-dialog .form-row{
  display: grid;
  gap: 6px;
}
#vid-edit-dialog label{
  font-size: 12px;
  letter-spacing: .3px;
  text-transform: uppercase;
  color: var(--muted);
}

/* Ô nhập: tròn, dịu, có focus ring */
#vid-edit-dialog input[type="text"],
#vid-edit-dialog input[type="url"]{
  width: 100%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--bg), #000 4%);
  color: var(--text);
  outline: none;
  transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
}
#vid-edit-dialog input::placeholder{
  color: color-mix(in oklab, var(--muted), #fff 10%);
  opacity: .9;
}
#vid-edit-dialog input:focus{
  border-color: color-mix(in oklab, var(--primary), #fff 10%);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--primary), transparent 80%);
  background: color-mix(in oklab, var(--bg), #000 2%);
}

/* Tag look & feel */
#vid-tags{
  font-family: ui-monospace, Menlo, Consolas, Monaco, "Courier New", monospace;
}

/* Hàng nút dưới: dính đáy, có fade */
#vid-edit-dialog .dialog-actions{
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 10px 16px 14px;
  position: sticky;
  bottom: 0;
  background: linear-gradient(to top,
               color-mix(in oklab, var(--elev), transparent 0%),
               transparent 80%);
  margin: 4px -16px -12px;          /* kéo full-bleed */
  border-top: 1px solid var(--border);
}

/* Nút trong dialog: bóng nhẹ */
#vid-edit-dialog .btn{
  height: 38px;
  padding-inline: 14px;
  border-radius: 10px;
}
#vid-edit-dialog .btn-primary{
  box-shadow: 0 6px 18px rgba(91,157,255,.28);
}
#vid-edit-dialog .btn:active{ transform: translateY(0); }
#vid-edit-dialog .btn:focus-visible{
  outline: 2px solid color-mix(in oklab, var(--primary), #fff 15%);
  outline-offset: 2px;
}

/* Mobile tối ưu */
@media (max-width: 520px){
  #vid-edit-dialog{ width: 96vw; }
  #vid-edit-form{ padding: 14px 12px; }
  #vid-edit-dialog .dialog-actions{
    margin: 4px -12px -12px;
    padding: 8px 12px 12px;
  }
}

/* --- FIX LIGHT THEME --------------------------------------------------- */

/* Biến màu dùng chung cho breadcrumb + tree */
:root{
  --pill-bg: #10131b;      /* nền “viên thuốc” breadcrumb ở dark */
  --pill-text: #bcd1ff;    /* chữ breadcrumb ở dark */
  --tree-fg: #d7def0;      /* chữ của summary/a trong cây thư mục ở dark */
}

:root.light{
  /* Nền/chữ cho light mode – mềm, tương phản tốt */
  --pill-bg: #eef3ff;      /* nền breadcrumb nhạt xanh */
  --pill-text: #1f3a8a;    /* chữ breadcrumb xanh đậm */
  --tree-fg: #334155;      /* chữ cây thư mục xám xanh */
}

/* Breadcrumb dùng biến thay vì màu cứng */
.mat-breadcrumbs .crumb{
  background: var(--pill-bg);
  color: var(--pill-text);
  border: 1px solid var(--border);
}
.mat-breadcrumbs .crumb a{
  color: inherit; /* giữ cùng màu với pill */
}

/* Màu chữ cây thư mục theo biến */
.mat-tree summary{ color: var(--tree-fg); }
.mat-tree a{ color: var(--tree-fg); }

/* Hover vẫn theo biến sẵn có, nhưng tăng tương phản ở light */
:root.light .mat-tree a.active,
:root.light .mat-tree a:hover,
:root.light .mat-tree summary:hover{
  background: rgba(47,107,255,.12); /* nhẹ nhàng hơn trên nền sáng */
  color: #0f172a;
}

/* Dropzone khi kéo ở light nên sáng hơn một chút */
:root.light .dropzone.dragover{
  background: rgba(47,107,255,.12);
  border-color: var(--primary);
}

/* Card meta trong light hơi đậm quá -> dịu bớt */
:root.light .card .card__meta{ color: #6b7280; }

/* Sidebar active: tránh quá rực trên light */
:root.light .sidebar__nav a.active{
  background: linear-gradient(135deg, var(--sidebar-active), #8eb3ff);
  color:#fff;
}

/* Crumb chevron màu trung tính trong light */
:root.light .mat-breadcrumbs .crumb + .crumb::before{
  color:#94a3b8;
}

/* ===== Lock background scroll only when theater open ===== */
body:has(#vid-theater-dialog[open]) {
  overflow: hidden;
}

/* ===== Improve: URL preview in add-link dialog ===== */
.url-preview{ display:flex; align-items:center; gap:12px; margin-top:8px; }
.url-preview img{ width: 120px; height: 68px; object-fit: cover; border-radius: 8px; border:1px solid var(--border); }
.url-preview .meta{ display:flex; flex-direction:column; gap:4px; }
.url-preview .provider{ font-size:12px; color: var(--muted); }
.url-preview .title{ font-weight:600; color: var(--text); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }

/* Small hint under player */
.theater__hint{ font-size:12px; color:var(--muted); padding:8px 12px 0; }

/* ===== Floating Unmute Button (appears over theater) ===== */
.unmute-btn{
  position:absolute;
  right:16px;
  bottom:16px;
  z-index:5;
  padding:10px 14px;
  border-radius:999px;
  background:var(--primary);
  color:#fff;
  font-weight:600;
  box-shadow:0 6px 18px rgba(0,0,0,.35);
  border:none;
  cursor:pointer;
}
.unmute-btn[hidden]{ display:none; }
.theater__stage{ position:relative; }

/* ===== Sidebar: link base ===== */
.sidebar__nav a{
  display:flex; align-items:center; gap:10px;
  padding:10px 14px;
  color: var(--sidebar-text, #c8d0e2);
  text-decoration:none;
  border-radius:10px;
  position:relative;
  transition: background .2s, color .2s, transform .08s;
  outline: none;
}

/* Hover */
.sidebar__nav a:hover{
  background: var(--sidebar-hover, rgba(255,255,255,.08));
  color:#fff;
}

/* Focus (keyboard) */
.sidebar__nav a:focus-visible{
  box-shadow: 0 0 0 2px rgba(91,157,255,.55);
}

/* Active highlight: nền + viền phát sáng + thanh chỉ báo bên trái */
.sidebar__nav a.active{
  background: linear-gradient(90deg, rgba(51,81,255,.18), rgba(51,81,255,0));
  color:#fff;
}
.sidebar__nav a.active::before{
  content:"";
  position:absolute; left:0; top:8px; bottom:8px;
  width:4px; border-radius:4px;
  background: var(--sidebar-active,#3351ff);
  box-shadow: 0 0 0 2px rgba(51,81,255,.25);
}

/* Icon & label cân hàng */
.sidebar__nav a .icon{ width:20px; text-align:center; opacity:.95; }
.sidebar__nav a .label{ flex:1; }

/* Nhóm <details> trông gọn hơn, giữ highlight khi mở */
.sidebar__group > summary{
  list-style:none; cursor:pointer;
  padding:10px 14px; border-radius:10px;
  display:flex; gap:10px; align-items:center;
}
.sidebar__group[open] > summary{
  background: rgba(255,255,255,.04);
}
.sidebar__group .submenu{
  display:flex; flex-direction:column; gap:4px;
  padding:6px 6px 8px 28px;
}
.sidebar__group .submenu a{
  padding:8px 10px;
  border-radius:8px;
}

/* (Tuỳ chọn) hiệu ứng nhấn */
.sidebar__nav a:active{ transform: translateY(1px); }

/* =========================
   LIGHT THEME TWEAKS
   ========================= */
:root.light{
  --bg:#f6f8fc;
  --elev:#ffffff;
  --text:#1b2430;
  --muted:#5b677a;
  --primary:#2f6bff;
  --border:#e5e9f1;

  --sidebar-bg:#ffffff;
  --sidebar-text:#2a3550;
  --sidebar-muted:#6b7691;
  --sidebar-active:#2f6bff;
  --sidebar-hover: rgba(0,0,0,.06);
}

/* Sidebar links */
:root.light .sidebar__nav a{
  color: var(--sidebar-text);
}
:root.light .sidebar__nav a:hover{
  background: var(--sidebar-hover);
  color: var(--sidebar-text);
}
:root.light .sidebar__nav a:focus-visible{
  box-shadow: 0 0 0 2px rgba(47,107,255,.45);
}

/* Active item: nền nhạt + thanh chỉ báo trái rõ ràng */
:root.light .sidebar__nav a.active{
  background: linear-gradient(90deg, rgba(47,107,255,.14), rgba(47,107,255,0));
  color: var(--sidebar-text);
}
:root.light .sidebar__nav a.active::before{
  background: var(--sidebar-active);
  box-shadow: 0 0 0 2px rgba(47,107,255,.2);
}

/* Details group trong light */
:root.light .sidebar__group[open] > summary{
  background: rgba(0,0,0,.04);
}
:root.light .sidebar__group .submenu a:hover{
  background: rgba(0,0,0,.06);
}

/* Profile header */
:root.light .profile__avatar img,
:root.light .profile__avatar-fallback{
  border-color: rgba(0,0,0,.06);
  box-shadow: 0 8px 20px rgba(0,0,0,.08);
}
:root.light .profile__avatar-fallback{
  background: radial-gradient(120px 120px at 30% 30%, rgba(0,0,0,.04), transparent),
              linear-gradient(135deg, #5c8cff, #3bc6ff);
}
:root.light .profile__tabs{
  background: rgba(0,0,0,.05);
}
:root.light .pill{
  color: var(--text);
}
:root.light .pill:hover{
  background: rgba(0,0,0,.06);
}
:root.light .pill.is-active{
  background: var(--primary);
  color: #fff;
}

/* Mobile drawer */
@media (max-width: 920px){
  :root.light .sidebar{
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border);
  }
}

/* === Login button style === */
#btn-login{
  display:inline-flex; align-items:center; gap:8px;
  padding:8px 12px;
  border:1px solid var(--border, #2a3242);
  border-radius:10px;
  background:var(--bg, #0f1115);
  color:var(--text, #e6e6e6);
  cursor:pointer; line-height:1;
  transition: background .12s ease, filter .12s ease, transform .06s ease, border-color .12s ease;
  outline: none;
}
#btn-login:hover{ background: color-mix(in oklab, var(--bg) 88%, #fff 12%); }
#btn-login:active{ transform: translateY(1px); }
#btn-login:focus-visible{ box-shadow: var(--ring, 0 0 0 3px rgba(91,157,255,.35)); }

#btn-login[data-state="in"]{
  background: var(--bg, #0f1115);
  border-color: var(--border, #2a3242);
  color: var(--text, #e6e6e6);
}
#btn-login[data-state="out"].btn-primary{
  background: var(--primary, #5b9dff);
  border-color: transparent;
  color: #fff;
}
#btn-login[data-state="out"].btn-primary:hover{ filter: brightness(1.06); }

/* === Dialog đăng nhập / đăng ký === */
#login-dialog, #signup-dialog{
  border:none; border-radius:16px;
  background:var(--elev, #151923); color:var(--text, #e6e6e6);
  border:1px solid var(--border, #2a3242);
  width:min(560px, 92vw);
  max-height:90vh; overflow:hidden;
  z-index:1205;
}
#login-dialog::backdrop, #signup-dialog::backdrop{ background: rgba(0,0,0,.5); }
#login-dialog form, #signup-dialog form{ padding:16px; max-height:90vh; overflow:auto; }
#login-dialog h3, #signup-dialog h3{
  margin:0 0 12px; font-size:18px; text-align:center;
}
#login-dialog .form-row, #signup-dialog .form-row{
  display:flex; flex-direction:column; gap:6px; margin-bottom:12px;
}
#login-dialog input, #signup-dialog input{
  background:var(--bg, #0f1115);
  border:1px solid var(--border, #2a3242);
  color:var(--text, #e6e6e6);
  padding:10px 12px; border-radius:10px; outline:none;
}
#login-dialog input:focus-visible, #signup-dialog input:focus-visible{
  box-shadow: var(--ring, 0 0 0 3px rgba(91,157,255,.35));
}
#login-dialog .dialog-actions, #signup-dialog .dialog-actions{
  display:flex; gap:8px; justify-content:space-between; margin-top:14px;
}
#login-dialog .form-error, #signup-dialog .form-error{
  color: var(--danger, #ff6b6b); font-size:14px; margin:6px 0;
}
#login-dialog a, #signup-dialog a{
  color: var(--primary, #5b9dff); text-decoration:none;
}
#login-dialog a:hover, #signup-dialog a:hover{ text-decoration:underline; }

/* Mobile: dialog full-screen */
@media (max-width: 960px){
  #login-dialog, #signup-dialog{
    width:100vw; height:100dvh; max-width:none; margin:0; border-radius:0;
    background: var(--bg-2, var(--elev)); color: inherit;
  }
  #login-dialog form, #signup-dialog form{ padding:14px; }
}