/* Internship Evidence – shared styles */
:root {
  --bg: #f3f5f9;
  --surface: #ffffff;
  --surface-2: #f7f9fc;
  --text: #1f2430;
  --muted: #667085;
  --border: #d9dee7;
  --accent: #1c6bc7;
  --accent-hover: #155aa8;
  --accent-soft: #e6f0fb;
  --danger: #c62828;
  --danger-soft: #fdecec;
  --success: #1d8a4b;
  --success-soft: #e6f6ec;
  --warn: #a15c00;
  --warn-soft: #fff4e0;
  --night: #5b3fb8;
  --night-soft: #efeaff;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 4px 16px rgba(16, 24, 40, .06);
  --font: "Inter", "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1420;
    --surface: #171d2b;
    --surface-2: #1e2636;
    --text: #e7ebf3;
    --muted: #97a1b5;
    --border: #2c3648;
    --accent: #5b9cf0;
    --accent-hover: #7ab0f5;
    --accent-soft: #1b2b45;
    --danger: #f28b82;
    --danger-soft: #3a1f1f;
    --success: #5fd08a;
    --success-soft: #16331f;
    --warn: #f3b35b;
    --warn-soft: #3a2c12;
    --night: #b19cf5;
    --night-soft: #2a2245;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 4px 16px rgba(0, 0, 0, .35);
  }
}

* { box-sizing: border-box; }
/* Class display rules (.btn, .badge…) would otherwise override the hidden attribute */
[hidden] { display: none !important; }
html { font-size: 16px; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
h1, h2, h3 { margin: 0 0 .4rem; line-height: 1.25; }
h1 { font-size: 1.45rem; }
h2 { font-size: 1.1rem; }
h3 { font-size: .95rem; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
p { margin: 0 0 .6rem; }
small, .muted { color: var(--muted); }
code { font-family: var(--mono); font-size: .9em; background: var(--surface-2); padding: .1em .35em; border-radius: 5px; }

/* Layout */
.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 20;
}
.topbar-inner {
  max-width: 1280px; margin: 0 auto; padding: .7rem 1rem;
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; color: inherit; }
.brand-logo {
  width: 36px; height: 36px; border-radius: 10px; background: var(--accent); color: #fff;
  display: grid; place-items: center; font-weight: 700; font-size: 1rem;
}
.brand-title { font-weight: 700; font-size: 1.05rem; }
.brand-sub { font-size: .8rem; color: var(--muted); }
.topbar-nav { margin-left: auto; display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; }
.topbar-nav select.lang-select {
  width: auto; min-height: 32px; padding: .25rem 1.8rem .25rem .6rem; font-size: .8rem; font-weight: 600;
  background-position: right .5rem center; cursor: pointer;
}
.version-pill {
  font-family: var(--mono); font-size: .75rem; color: var(--muted);
  border: 1px solid var(--border); border-radius: 999px; padding: .2rem .6rem;
}

main { max-width: 1280px; margin: 0 auto; padding: 1.25rem 1rem 3rem; }
.grid { display: grid; gap: 1.25rem; }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 960px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 1.1rem 1.2rem; margin-bottom: 1.25rem;
}
.card-head { display: flex; align-items: center; gap: .75rem; flex-wrap: wrap; margin-bottom: .8rem; }
.card-head h2 { margin: 0; }
.card-head .spacer { flex: 1; }

.notice {
  display: flex; gap: .7rem; align-items: flex-start;
  border-radius: 10px; padding: .7rem .9rem; font-size: .9rem; margin-bottom: 1rem;
  background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
}
.notice.warn { background: var(--warn-soft); border-color: color-mix(in srgb, var(--warn) 40%, transparent); }
.notice.success { background: var(--success-soft); border-color: color-mix(in srgb, var(--success) 40%, transparent); }
.notice.danger { background: var(--danger-soft); border-color: color-mix(in srgb, var(--danger) 40%, transparent); }
.notice .ico { font-size: 1.1rem; line-height: 1.3; }

/* Forms */
.field { display: flex; flex-direction: column; gap: .3rem; min-width: 0; }
.field label { font-size: .82rem; font-weight: 600; color: var(--muted); }
.field .hint { font-size: .75rem; color: var(--muted); }
input[type="text"], input[type="date"], input[type="search"], input[type="number"], select, textarea {
  font: inherit; color: var(--text); background: var(--surface-2);
  border: 1px solid var(--border); border-radius: 9px; padding: .55rem .7rem; min-height: 42px;
  width: 100%; transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}
input:invalid.touched, .invalid { border-color: var(--danger) !important; }
select { appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23667085' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
  background-repeat: no-repeat; background-position: right .7rem center; padding-right: 2rem;
}
.time-picker { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: .3rem; }
.time-picker .sep { font-weight: 700; color: var(--muted); }
.form-row { display: grid; gap: .9rem; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); align-items: end; }
.form-actions { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; margin-top: .9rem; }
.checkbox { display: inline-flex; align-items: center; gap: .45rem; font-size: .9rem; cursor: pointer; }
.checkbox input { width: 18px; height: 18px; accent-color: var(--accent); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: .45rem; font: inherit; font-weight: 600; font-size: .9rem;
  border-radius: 9px; padding: .55rem .95rem; border: 1px solid var(--border); cursor: pointer;
  background: var(--surface); color: var(--text); transition: background .15s, border-color .15s, transform .05s;
  white-space: nowrap; min-height: 40px;
}
.btn:hover { background: var(--surface-2); border-color: color-mix(in srgb, var(--muted) 50%, var(--border)); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-danger { color: var(--danger); }
.btn-danger:hover { background: var(--danger-soft); border-color: var(--danger); }
.btn-sm { padding: .3rem .6rem; font-size: .8rem; min-height: 32px; }
.btn-icon { padding: .3rem .5rem; min-width: 32px; justify-content: center; }
.btn-file input[type="file"] { display: none; }

/* Tables */
.table-wrap { overflow: auto; border: 1px solid var(--border); border-radius: 10px; }
table.data { width: 100%; border-collapse: collapse; font-size: .9rem; min-width: 640px; }
table.data th, table.data td { padding: .55rem .7rem; text-align: left; border-bottom: 1px solid var(--border); vertical-align: middle; }
table.data th {
  background: var(--surface-2); color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .04em;
  position: sticky; top: 0; z-index: 1; white-space: nowrap;
}
table.data th.sortable { cursor: pointer; user-select: none; }
table.data th.sortable:hover { color: var(--text); }
table.data th .sort-ind { opacity: .5; margin-left: .25rem; font-size: .7rem; }
table.data th.sorted { color: var(--accent); }
table.data tbody tr:hover { background: var(--surface-2); }
table.data tr:last-child td { border-bottom: 0; }
table.data td.num, table.data th.num { text-align: right; font-variant-numeric: tabular-nums; }
table.data tfoot td { font-weight: 700; background: var(--surface-2); }
table.data .actions { white-space: nowrap; text-align: right; }
table.data tr.editing { background: var(--accent-soft); }
.empty { padding: 1.5rem; text-align: center; color: var(--muted); }

.badge {
  display: inline-block; font-size: .72rem; font-weight: 600; padding: .15rem .5rem; border-radius: 999px;
  background: var(--surface-2); border: 1px solid var(--border); color: var(--muted); white-space: nowrap;
}
.badge-night { background: var(--night-soft); color: var(--night); border-color: transparent; }
.badge-ok { background: var(--success-soft); color: var(--success); border-color: transparent; }
.badge-warn { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
.badge-err { background: var(--danger-soft); color: var(--danger); border-color: transparent; }
.badge-accent { background: var(--accent-soft); color: var(--accent); border-color: transparent; }
.badge-wrap { white-space: normal; }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: .8rem; margin-bottom: 1rem; }
.stat { background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px; padding: .7rem .9rem; }
.stat .label { font-size: .75rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.stat .value { font-size: 1.35rem; font-weight: 700; font-variant-numeric: tabular-nums; }

/* Tabs (evidence lists) */
.tabs { display: flex; gap: .4rem; flex-wrap: wrap; align-items: center; }
.tab {
  border: 1px solid var(--border); background: var(--surface-2); border-radius: 999px; padding: .35rem .85rem;
  font: inherit; font-size: .85rem; font-weight: 600; cursor: pointer; color: var(--muted);
}
.tab.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.tab:hover:not(.active) { color: var(--text); }

/* Drop zone */
.dropzone {
  border: 2px dashed var(--border); border-radius: var(--radius); padding: 1.6rem; text-align: center;
  color: var(--muted); transition: border-color .15s, background .15s; cursor: pointer;
}
.dropzone.drag { border-color: var(--accent); background: var(--accent-soft); }
.file-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .4rem; }
.file-list li {
  display: flex; align-items: center; gap: .6rem; padding: .5rem .7rem; background: var(--surface-2);
  border: 1px solid var(--border); border-radius: 9px; font-size: .88rem; flex-wrap: wrap;
}
.file-list .fname { font-weight: 600; word-break: break-all; }
.file-list .fmeta { color: var(--muted); font-size: .8rem; }
.file-list .spacer { flex: 1; }
.mono { font-family: var(--mono); }

/* Footer */
footer.site { max-width: 1280px; margin: 0 auto; padding: 1rem 1rem 2rem; color: var(--muted); font-size: .82rem; }
footer.site .row { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: space-between; }

/* Toasts */
#toast-host { position: fixed; right: 1rem; bottom: 1rem; display: flex; flex-direction: column; gap: .5rem; z-index: 100; max-width: min(420px, 92vw); }
.toast {
  background: var(--text); color: var(--bg); padding: .7rem .95rem; border-radius: 10px; font-size: .9rem;
  box-shadow: var(--shadow); opacity: 0; transform: translateY(8px); transition: opacity .25s, transform .25s;
}
.toast.show { opacity: 1; transform: none; }
.toast-error { background: var(--danger); color: #fff; }
.toast-success { background: var(--success); color: #fff; }
.toast-warn { background: var(--warn); color: #fff; }

/* Dialog */
dialog {
  border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); color: var(--text);
  padding: 1.2rem 1.4rem; max-width: 520px; width: calc(100% - 2rem); box-shadow: var(--shadow);
}
dialog::backdrop { background: rgba(10, 14, 25, .55); }
dialog .dialog-actions { display: flex; gap: .5rem; justify-content: flex-end; margin-top: 1rem; }

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.inline-list { display: flex; gap: .4rem; flex-wrap: wrap; align-items: center; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: .25rem .9rem; font-size: .9rem; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; font-weight: 600; }