/* Shared pieces: buttons, fields, segmented controls, chips, panels, menus, toasts. */

/* --- buttons ------------------------------------------------------------- */
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.45em;
  min-height: 2.25rem; padding: 0.4rem 0.95rem; border: 1px solid var(--line-strong); border-radius: var(--r);
  background: var(--card); color: var(--fg); font: 500 var(--text-sm)/1.2 var(--font-ui);
  text-decoration: none; white-space: nowrap; cursor: pointer; user-select: none;
  box-shadow: var(--shadow-1);
  transition: background var(--dur-1) var(--ease-out), border-color var(--dur-1) var(--ease-out),
              transform var(--dur-1) var(--ease-out), box-shadow var(--dur-2) var(--ease-out);
}
.button:hover { background: var(--raised); color: var(--fg); border-color: var(--line-strong); }
.button:active { transform: scale(0.97); }
.button.primary { background: var(--accent); border-color: transparent; color: var(--accent-fg);
  box-shadow: 0 1px 2px oklch(0.3 0.1 285 / 0.25), inset 0 1px 0 oklch(1 0 0 / 0.14); }
.button.primary:hover { background: var(--accent-hover); color: var(--accent-fg); }
.button.ghost { background: transparent; border-color: transparent; box-shadow: none; color: var(--fg-soft); }
.button.ghost:hover { background: var(--hover); color: var(--fg); }
.button.small { min-height: 1.85rem; padding: 0.2rem 0.65rem; font-size: var(--text-xs); border-radius: var(--r-sm); }
.button.large { min-height: 3rem; padding: 0.6rem 1.4rem; font-size: var(--text-md); border-radius: var(--r-lg); }
.button.icon-only { padding: 0; width: 2.25rem; }
.button.small.icon-only { width: 1.85rem; }
.button kbd { background: transparent; color: inherit; opacity: 0.65; border-color: currentColor; }
.button:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }
.button.danger { color: var(--again); border-color: color-mix(in oklch, var(--again) 45%, var(--line)); }
.button.danger:hover { background: color-mix(in oklch, var(--again) 10%, var(--card)); color: var(--again); }
.button.danger.solid { background: var(--again); border-color: transparent; color: var(--accent-fg); }
.button.danger.solid:hover { background: color-mix(in oklch, var(--again) 88%, black); color: var(--accent-fg); }

/* Asking once before something that can't be undone: the summary turns into the question. */
.confirm summary { list-style: none; }
.confirm summary::-webkit-details-marker { display: none; }
.confirm[open] summary { display: none; }
.confirm-body { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 0.5rem;
  color: var(--fg-soft); font-size: var(--text-xs); animation: fade-in var(--dur-2) var(--ease-out); }

/* --- fields -------------------------------------------------------------- */
input, select, textarea {
  font: inherit; color: var(--fg); background: var(--card); min-height: 2.25rem;
  padding: 0.35rem 0.7rem; border: 1px solid var(--line-strong); border-radius: var(--r);
  transition: border-color var(--dur-1) var(--ease-out), box-shadow var(--dur-2) var(--ease-out);
}
input:hover, select:hover { border-color: var(--faint); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft); }
select { appearance: none; padding-right: 2rem; cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 15px) 52%, calc(100% - 10px) 52%; background-size: 5px 5px; background-repeat: no-repeat; }
input[type=checkbox], input[type=radio] { min-height: 0; padding: 0; accent-color: var(--accent); width: 1rem; height: 1rem;
  box-shadow: none; cursor: pointer; }
input[type=search] { padding-left: 2.1rem;
  background: var(--card) no-repeat 0.7rem 50% / 0.95rem
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.3-4.3'/%3E%3C/svg%3E"); }
input[type=range] { padding: 0; border: 0; background: transparent; box-shadow: none; accent-color: var(--accent); }
label { cursor: pointer; }

/* --- segmented control (sliding thumb via --i / --n set inline) ---------- */
.segmented { position: relative; display: inline-grid; grid-auto-flow: column; grid-auto-columns: 1fr;
  padding: 3px; border-radius: var(--r); background: var(--sunken); border: 1px solid var(--line); isolation: isolate; }
.segmented::before { content: ""; position: absolute; z-index: -1; top: 3px; bottom: 3px; left: 3px;
  width: calc((100% - 6px) / var(--n, 2)); border-radius: calc(var(--r) - 3px);
  background: var(--card); box-shadow: var(--shadow-1), 0 0 0 1px var(--line);
  transform: translateX(calc(100% * var(--i, 0))); transition: transform var(--dur-3) var(--spring); }
.segmented > a, .segmented > button { display: inline-flex; align-items: center; justify-content: center; gap: 0.4em;
  padding: 0.3rem 0.9rem; border: 0; background: none; color: var(--muted); font: 500 var(--text-sm)/1.4 var(--font-ui);
  text-decoration: none; white-space: nowrap; cursor: pointer; border-radius: calc(var(--r) - 3px);
  transition: color var(--dur-2) var(--ease-out); }
.segmented > a:hover, .segmented > button:hover { color: var(--fg); }
.segmented > [aria-current="page"], .segmented > [aria-pressed="true"] { color: var(--fg); }

/* --- chips, badges, dots -------------------------------------------------- */
.chip { display: inline-flex; align-items: center; gap: 0.4em; max-width: 100%; padding: 0.1rem 0.55rem;
  border-radius: var(--r-pill); background: var(--sunken); border: 1px solid var(--line);
  color: var(--fg-soft); font-size: var(--text-xs); font-weight: 500; white-space: nowrap; }
.chip > span { overflow: hidden; text-overflow: ellipsis; }
.badge { display: inline-flex; align-items: center; padding: 0 0.45rem; min-height: 1.15rem; border-radius: var(--r-pill);
  border: 1px solid var(--line-strong); color: var(--muted); font-size: 0.68rem; font-weight: 500;
  vertical-align: middle; letter-spacing: 0.01em; }
.count { font-variant-numeric: tabular-nums; font-size: var(--text-xs); color: var(--muted); }
.count.due { color: var(--accent-text); font-weight: 600; }
.topic-dot { display: inline-block; flex: none; width: 0.55rem; height: 0.55rem; border-radius: 50%;
  background: oklch(var(--topic-l) var(--topic-c) var(--hue, 280)); }
.topic-dot.none { background: transparent; box-shadow: inset 0 0 0 1.5px var(--faint); }
.mem-dot { display: inline-block; flex: none; width: 0.6rem; height: 0.6rem; border-radius: 50%; background: var(--mem-new); }
.mem-dot.new { background: transparent; box-shadow: inset 0 0 0 1.5px var(--mem-new); }

/* --- panels ------------------------------------------------------------- */
.panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 1.25rem 1.4rem; }
.panel > h2 { font-size: var(--text-md); margin-bottom: 0.9rem; }
.eyebrow { font: 600 0.7rem/1.2 var(--font-ui); letter-spacing: 0.08em; text-transform: uppercase; color: var(--faint); }
.notice { display: flex; align-items: center; gap: 0.6rem; padding: 0.6rem 0.9rem; border-radius: var(--r);
  font-size: var(--text-sm); animation: rise-in var(--dur-3) var(--ease-out); margin-bottom: 1rem; }
.notice.ok { background: color-mix(in oklch, var(--good) 14%, transparent); color: var(--fg); font-weight: 500; }
.notice.error { background: color-mix(in oklch, var(--again) 14%, transparent); color: var(--fg); }

/* --- menus and popovers --------------------------------------------------- */
.popover, .menu {
  background: var(--raised); border: 1px solid var(--line-strong); border-radius: var(--r-lg);
  box-shadow: var(--shadow-3); padding: 0.4rem;
  transform-origin: top left;
  transition: opacity var(--dur-2) var(--ease-out), transform var(--dur-2) var(--spring),
              display var(--dur-2) allow-discrete, overlay var(--dur-2) allow-discrete;
}
@starting-style {
  .popover, .menu { opacity: 0; transform: scale(0.96) translateY(-4px); }
}
.menu button, .menu a { display: flex; align-items: center; gap: 0.5rem; width: 100%; padding: 0.4rem 0.6rem;
  border: 0; border-radius: var(--r-sm); background: none; text-align: left; color: var(--fg);
  text-decoration: none; cursor: pointer; font-size: var(--text-sm); }
.menu button:hover, .menu a:hover { background: var(--hover); }

/* Emoji and symbols (emoji.js): the ":word" list under the caret and the picker. */
.emoji-suggest, .emoji-picker { position: fixed; inset: auto; margin: 0; }
.emoji-suggest { width: 16rem; max-height: 17rem; overflow: auto; }
.emoji-suggest button { display: flex; align-items: center; gap: 0.6rem; width: 100%; padding: 0.3rem 0.55rem;
  border: 0; border-radius: var(--r-sm); background: none; color: var(--fg); text-align: left; cursor: pointer;
  font: var(--text-sm)/1.3 var(--font-ui); }
.emoji-suggest button:hover, .emoji-suggest button[aria-selected] { background: var(--hover); }
.emoji-suggest .glyph { width: 1.6rem; font-size: 1.25rem; text-align: center; }
.emoji-picker { width: min(22rem, calc(100vw - 1rem)); padding: 0.5rem; }
.emoji-picker input { width: 100%; margin-bottom: 0.4rem; }
.emoji-body { height: 18rem; overflow-y: auto; overscroll-behavior: contain; }
.emoji-body h3 { margin: 0.6rem 0.2rem 0.3rem; }
.emoji-body .muted { padding: 1rem 0.3rem; font-size: var(--text-sm); }
.emoji-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(2.1rem, 1fr)); }
.emoji-grid button { aspect-ratio: 1; border: 0; border-radius: var(--r-sm); background: none; cursor: pointer;
  color: var(--fg); font-size: 1.3rem; line-height: 1; }
.emoji-grid button:hover, .emoji-grid button:focus-visible { background: var(--hover); }
.name-field { position: relative; display: flex; align-items: center; gap: 0.25rem; }
.name-field input { flex: 1; min-width: 0; }

/* --- tables ------------------------------------------------------------- */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 0.55rem 0.75rem; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { color: var(--faint); font: 600 0.7rem/1.2 var(--font-ui); letter-spacing: 0.06em; text-transform: uppercase; }

/* --- toast -------------------------------------------------------------- */
.flash { position: fixed; bottom: 1.5rem; left: 50%; z-index: 100; transform: translateX(-50%);
  display: flex; align-items: center; gap: 0.5rem; padding: 0.6rem 1rem; border-radius: var(--r);
  background: var(--fg); color: var(--bg); font-size: var(--text-sm); font-weight: 500; box-shadow: var(--shadow-3);
  animation: toast-in var(--dur-3) var(--spring) both; }
@keyframes toast-in { from { opacity: 0; transform: translate(-50%, 12px) scale(0.96); } }

/* --- empty states ------------------------------------------------------- */
.empty { display: grid; justify-items: center; gap: 0.6rem; padding: 3rem 1rem; text-align: center; color: var(--muted); }
.empty h2 { color: var(--fg); }
.empty .mark { width: 3.5rem; height: 3.5rem; opacity: 0.9; }

/* --- Import from Anki ------------------------------------------------------- */
.import-page .panel { margin-bottom: 1rem; }
.import-source h2 { display: flex; align-items: center; gap: 0.5rem; }
.import-profiles { list-style: none; margin: 0 0 0.8rem; padding: 0; display: grid; gap: 0.5rem; }
.import-profiles li { display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 0.55rem 0.4rem 0.55rem 0.9rem; border: 1px solid var(--line); border-radius: var(--r); background: var(--surface); }
.profile-name { font-weight: 600; }
.dropzone { position: relative; display: flex; flex-direction: column; align-items: center; gap: 0.5rem; padding: 1.6rem 1rem;
  border: 1.5px dashed var(--line-strong); border-radius: var(--r-lg); color: var(--fg-soft); cursor: pointer;
  text-align: center; transition: background 0.15s var(--ease-out), border-color 0.15s var(--ease-out); }
.dropzone:hover, .dropzone.over { background: var(--accent-soft); border-color: var(--accent-line); color: var(--fg); }
.dropzone .icon { width: 1.6rem; height: 1.6rem; }
.dropzone input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.import-progress progress { width: 100%; accent-color: var(--accent); }
.import-done h2 { display: flex; align-items: center; gap: 0.45rem; }
.import-done h2 .icon { color: var(--ok); }
.import-done h3 { font-size: var(--text-sm); margin: 1rem 0 0.3rem; }
.import-summary { margin: 0 0 1rem; padding-left: 1.2rem; display: grid; gap: 0.25rem; }
.import-note { font-size: var(--text-xs); }