/* DiaDash — estilos (look índigo del mock, tema claro/oscuro, responsive). */
:root {
  --accent: #4f46e5;
  --bg: #eef1f6;
  --surface: #ffffff;
  --text: #14233b;
  --muted: #687587;
  --border: #e7ebf2;
  --rail-bg: #0c1c33;
  --green: #22c55e;
  --green-ink: #16a34a;
  --amber: #f59e0b;
  --red: #ef4444;
  --slate-ink: #51607a;
  --warn-text: #92400e;
  --warn-bg: #fff8ed;
  --warn-border: #fed7aa;
  --err-text: #991b1b;
  --err-bg: #fff7f7;
  --err-border: #fecaca;
  --shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 1px 3px rgba(16, 24, 40, .05);
  --radius: 16px;
  --font: "Plus Jakarta Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  color-scheme: light;
}
[data-theme="dark"] {
  --bg: #0a1322;
  --surface: #111d31;
  --text: #e7eef8;
  --muted: #93a3b8;
  --border: #1e2c42;
  --rail-bg: #060e1c;
  --accent: #818cf8;
  --green-ink: #86efac;
  --slate-ink: #b8c6d9;
  --warn-text: #fde68a;
  --warn-bg: #2c210f;
  --warn-border: #8a5c18;
  --err-text: #fecaca;
  --err-bg: #351618;
  --err-border: #7f1d1d;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px -12px rgba(0, 0, 0, .5);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--bg); color: var(--text); font-family: var(--font); -webkit-font-smoothing: antialiased; }
#app { display: block; min-height: 100%; }
h1, h2, p { margin: 0; }

/* ---------- shell ---------- */
.dd-shell { display: grid; grid-template-columns: 248px 1fr; min-height: 100vh; }
.dd-main { min-width: 0; display: flex; flex-direction: column; }
.dd-content { padding: 28px 32px 48px; }

/* ---------- rail ---------- */
.dd-rail { background: var(--rail-bg); color: #cdd9e8; padding: 22px 16px; display: flex; flex-direction: column; }
.dd-brand { display: flex; align-items: center; gap: 11px; margin: 4px 6px 28px; }
.dd-brandname { font-weight: 800; font-size: 18px; color: #fff; }
.dd-logo { width: 30px; height: 30px; border-radius: 9px; background: linear-gradient(140deg, #7c6cf6, #38a0ff); display: grid; place-items: center; color: #fff; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .18); }
.dd-nav { display: flex; flex-direction: column; gap: 4px; }
.dd-navitem { display: flex; align-items: center; gap: 12px; width: 100%; padding: 11px 12px; border: 0; background: transparent; color: #9fb1c6; border-radius: 12px; cursor: pointer; font: inherit; font-weight: 600; font-size: 14.5px; text-align: left; transition: background .15s, color .15s; }
.dd-navitem:hover { background: rgba(255, 255, 255, .06); color: #fff; }
.dd-navitem.active { background: var(--accent); color: #fff; box-shadow: 0 8px 18px -8px var(--accent); }
.dd-rail-foot { margin-top: auto; display: flex; flex-direction: column; gap: 12px; padding-top: 18px; }
.dd-device { background: rgba(255, 255, 255, .04); border: 1px solid rgba(255, 255, 255, .08); border-radius: 14px; padding: 12px 14px; }
.dd-device-h { font-size: 11px; letter-spacing: .04em; text-transform: uppercase; color: #7d92ab; margin-bottom: 9px; }
.dd-device-row { display: flex; align-items: center; gap: 8px; color: #e6eef8; font-weight: 700; font-size: 14px; }
.dd-device-state { display: flex; align-items: center; gap: 7px; font-size: 12px; color: #8fd6b0; margin-top: 7px; }
.dd-device-state i { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 3px rgba(34, 197, 94, .18); }
.dd-user { display: flex; align-items: center; gap: 10px; width: 100%; padding: 6px; border: 0; background: transparent; border-radius: 12px; cursor: pointer; text-align: left; }
.dd-user:hover { background: rgba(255, 255, 255, .05); }
.dd-avatar { width: 34px; height: 34px; border-radius: 50%; background: rgba(255, 255, 255, .1); display: grid; place-items: center; color: #cdd9e8; flex: 0 0 auto; }
.dd-user-meta { display: flex; flex-direction: column; }
.dd-user-meta strong { color: #fff; font-size: 14px; }
.dd-user-meta small { color: #8295ab; font-size: 12px; }

/* ---------- topbar ---------- */
.dd-topbar { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; margin-bottom: 20px; }
.dd-topbar-title h1 { font-size: 27px; font-weight: 800; letter-spacing: -.01em; }
.dd-topbar-title p { color: var(--muted); font-size: 14.5px; margin-top: 4px; }
.dd-topbar-actions { display: flex; align-items: center; gap: 12px; }
.dd-sync { display: inline-flex; align-items: center; gap: 8px; background: var(--surface); color: var(--accent); border: 1px solid var(--border); border-radius: 11px; padding: 10px 16px; font: inherit; font-weight: 700; font-size: 14px; cursor: pointer; box-shadow: var(--shadow); }
.dd-sync:hover { border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); }
.dd-sync:disabled { opacity: .75; cursor: wait; }
.dd-sync-ic { display: inline-flex; }
.dd-sync-ic.spinning { animation: dd-spin 1s linear infinite; }
@keyframes dd-spin { to { transform: rotate(360deg); } }
.dd-iconbtn { position: relative; display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 11px; border: 1px solid var(--border); background: var(--surface); color: var(--muted); cursor: pointer; box-shadow: var(--shadow); }
.dd-iconbtn:hover { color: var(--text); }
.dd-iconbtn:focus-visible, .dd-sync:focus-visible, .dd-navitem:focus-visible, .dd-bn:focus-visible, .dd-link:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 32%, transparent); outline-offset: 2px; }
.dd-theme-toggle { color: var(--accent); }
.dd-badge2 { position: absolute; top: -5px; right: -5px; min-width: 18px; height: 18px; padding: 0 4px; border-radius: 9px; background: var(--red); color: #fff; font-size: 11px; font-weight: 700; font-style: normal; display: grid; place-items: center; border: 2px solid var(--surface); }

/* ---------- cards ---------- */
.dd-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px 20px; }

/* ---------- status row ---------- */
.dd-status { display: grid; grid-template-columns: 1fr 1fr 1.7fr; gap: 16px; margin-bottom: 18px; }
.dd-status-card { display: flex; align-items: center; gap: 14px; padding: 16px 18px; }
.dd-status-meta { display: flex; flex-direction: column; min-width: 0; }
.dd-status-meta strong { font-size: 15px; color: var(--text); }
.dd-status-meta small { color: var(--muted); font-size: 13px; line-height: 1.35; }
.dd-status-notice p { color: var(--muted); font-size: 13.5px; line-height: 1.42; }
.dd-chip { width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; flex: 0 0 auto; }
.dd-chip.ok { background: rgba(34, 197, 94, .12); color: var(--green-ink); }
.dd-chip.slate { background: rgba(100, 116, 139, .14); color: var(--slate-ink); }
.dd-chip.accent, .dd-chip.accent-soft { background: color-mix(in srgb, var(--accent) 11%, transparent); color: var(--accent); }

/* ---------- actualización automática ---------- */
.dd-autosync { grid-column: 1 / -1; flex-wrap: wrap; }
.dd-autosync .dd-status-meta { flex: 1 1 180px; }
.dd-autosync-toggle { border: 1px solid var(--border); background: var(--bg); color: var(--muted); padding: 7px 16px; border-radius: 9px; font: inherit; font-weight: 700; font-size: 13.5px; cursor: pointer; transition: background .15s, color .15s, border-color .15s; }
.dd-autosync-toggle.on { background: color-mix(in srgb, var(--accent) 12%, transparent); color: var(--accent); border-color: color-mix(in srgb, var(--accent) 32%, transparent); }
.dd-autosync-toggle:disabled { opacity: .6; cursor: default; }
.dd-autosync-pills button:disabled { opacity: .5; cursor: default; }
@media (max-width: 720px) { .dd-autosync-pills { flex: 1 1 100%; } }

/* ---------- CGM panel ---------- */
.dd-cgm { padding: 20px 22px; margin-bottom: 16px; }
.dd-cgm-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 6px; }
.dd-cgm-head h2 { font-size: 18px; font-weight: 700; }
.dd-cgm-tools { display: flex; align-items: center; gap: 10px; }
.dd-pills { display: flex; gap: 2px; background: var(--bg); border: 1px solid var(--border); border-radius: 11px; padding: 3px; }
.dd-pills button { border: 0; background: transparent; color: var(--muted); padding: 7px 14px; border-radius: 8px; font: inherit; font-weight: 600; font-size: 13.5px; cursor: pointer; transition: color .15s; }
.dd-pills button.sel { background: var(--surface); color: var(--accent); box-shadow: var(--shadow); }
.dd-chart-wrap { margin-top: 6px; }
.dd-chart { width: 100%; height: auto; display: block; }
.dd-chart text { font-family: var(--font); }
.dd-legend { display: flex; gap: 22px; margin-top: 6px; padding-left: 4px; }
.dd-legend span { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 13px; }
.dd-legend i { width: 11px; height: 11px; border-radius: 3px; }
.dd-legend i.basal { background: var(--green); }
.dd-legend i.bolus { background: var(--accent); border-radius: 50%; }
.dd-legend i.gmi { background: var(--accent); }
.dd-legend i.lab { background: var(--amber); border-radius: 50%; }

/* chart svg parts */
.dd-grid { stroke: var(--border); stroke-width: 1; }
.dd-axis { fill: var(--muted); font-size: 12px; }
.dd-unit { fill: var(--muted); font-size: 12px; }
.dd-ylab { text-anchor: end; }
.dd-tlab { text-anchor: middle; }
.dd-band { fill: color-mix(in srgb, var(--green) 12%, transparent); }
.dd-limit { stroke-width: 1.4; stroke-dasharray: 5 5; }
.dd-limit.hi { stroke: var(--green); }
.dd-limit.lo { stroke: var(--red); }
.dd-line { fill: none; stroke: var(--accent); stroke-width: 2.6; stroke-linejoin: round; stroke-linecap: round; }
.dd-hit { fill: transparent; cursor: crosshair; }
.dd-gmi-line { fill: none; stroke: var(--accent); stroke-width: 2.6; stroke-linejoin: round; stroke-linecap: round; }
.dd-lab-dot { fill: var(--amber); stroke: var(--surface); stroke-width: 1.6; cursor: pointer; }
.dd-basal { fill: var(--green); opacity: .82; }
.dd-ev-basal { fill: var(--green); opacity: .82; cursor: crosshair; }
.dd-ev-bolus { fill: var(--accent); opacity: .9; cursor: crosshair; }
.dd-stem { stroke: var(--accent); stroke-width: 1.4; opacity: .5; }
.dd-dot { fill: var(--accent); stroke: var(--surface); stroke-width: 1.5; }
.dd-bracket { fill: none; stroke: var(--border); stroke-width: 1.4; }
.dd-bracket-lab { fill: var(--muted); font-size: 12.5px; }
.dd-badge rect { fill: var(--accent); }
.dd-badge text { fill: #fff; font-size: 13px; font-weight: 700; text-anchor: middle; }

/* ---------- stats grid ---------- */
.dd-stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.dd-gmi.is-unreliable { opacity: .62; }
.dd-gmi.is-unreliable .dd-avg-big strong { color: var(--muted); }
.dd-metric { padding: 20px 22px; }
.dd-metric-head { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 600; font-size: 15px; margin-bottom: 6px; }
.dd-avg-big { display: flex; align-items: baseline; gap: 9px; margin: 12px 0 16px; }
.dd-avg-big strong { font-size: 42px; font-weight: 800; letter-spacing: -.02em; line-height: 1; }
.dd-avg-big em { font-style: normal; font-size: 18px; font-weight: 600; color: var(--muted); }
.dd-avg-foot { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; }
.dd-avg-foot small { color: var(--muted); font-size: 13px; }
.dd-spark { flex: 1; max-width: 200px; color: var(--accent); }
.dd-spark polyline { fill: none; stroke: var(--accent); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }

.dd-tir-body { display: flex; align-items: center; gap: 22px; margin: 10px 0 12px; }
.dd-donut { flex: 0 0 auto; width: 132px; height: 132px; }
.dd-donut-track { fill: none; stroke: color-mix(in srgb, var(--muted) 16%, transparent); stroke-width: 15; }
.dd-seg { fill: none; stroke-width: 15; stroke-linecap: butt; transition: stroke-dasharray .3s ease; }
.dd-seg.ok { stroke: var(--green); }
.dd-seg.hi { stroke: var(--amber); }
.dd-seg.lo { stroke: var(--red); }
.dd-tir-legend { flex: 1; display: flex; flex-direction: column; gap: 12px; }
.dd-tir-row { display: grid; grid-template-columns: 14px 1fr auto; align-items: center; gap: 10px; }
.dd-tir-row i { width: 11px; height: 11px; border-radius: 50%; }
.dd-tir-row i.ok { background: var(--green); }
.dd-tir-row i.hi { background: var(--amber); }
.dd-tir-row i.lo { background: var(--red); }
.dd-tir-row span { color: var(--text); font-size: 14px; }
.dd-tir-row strong { font-weight: 700; font-size: 14px; }
.dd-tir-goal { color: var(--muted); font-size: 13px; }

/* ---------- bands / activity ---------- */
.dd-band { margin-top: 20px; }
.dd-section-title { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.dd-section-title h2 { font-size: 18px; font-weight: 700; }
.dd-link { border: 0; background: none; color: var(--accent); font: inherit; font-weight: 600; font-size: 14px; cursor: pointer; }
.dd-link.danger { color: var(--red); }
.dd-act-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 16px; }
.dd-act { min-width: 0; padding: 18px 20px; display: flex; flex-direction: column; gap: 6px; }
.dd-act-head { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 600; font-size: 14.5px; }
.dd-act-head span { min-width: 0; overflow-wrap: anywhere; }
.dd-act-value { font-size: 26px; font-weight: 800; letter-spacing: 0; overflow-wrap: anywhere; }
.dd-act small { color: var(--muted); font-size: 13px; }

/* ---------- generic panels ---------- */
.dd-panel-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.dd-panel-head h2 { font-size: 16px; font-weight: 700; }
.dd-panel-head span { color: var(--muted); font-size: 13px; }

/* glucose view */
.dd-glucose-grid { display: grid; grid-template-columns: 320px 1fr; gap: 16px; }
.dd-cal-card { grid-column: 1; grid-row: 1 / span 2; }
.dd-glucose-grid > .dd-cgm { grid-column: 2; grid-row: 1; margin-bottom: 0; }
.dd-glucose-grid > .dd-tir { grid-column: 2; grid-row: 2; }
.dd-readings-card { grid-column: 1 / -1; }

/* a1c view */
.dd-a1c-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: start; }
.dd-a1c-form { grid-template-columns: 1fr 1fr; }
.dd-a1c-form button.dd-sync { grid-column: 1 / -1; }

/* overflow menu (mobile "Más") */
.dd-overflow-backdrop { display: none; }
.dd-overflow { display: none; }
.dd-cal-head { display: grid; grid-template-columns: 34px 1fr 34px; align-items: center; gap: 8px; margin-bottom: 12px; }
.dd-cal-head strong { text-align: center; text-transform: capitalize; font-size: 14px; }
.dd-cal-head .dd-iconbtn { width: 34px; height: 34px; }
.dd-cal-head button[data-glucose-month="-1"] svg { transform: rotate(180deg); }
.dd-cal-weekdays, .dd-cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }
.dd-cal-weekdays span { text-align: center; color: var(--muted); font-size: 11px; font-weight: 700; }
.dd-cal-grid button { aspect-ratio: 1; position: relative; display: grid; place-items: center; border: 1px solid var(--border); background: var(--surface); border-radius: 9px; color: var(--text); font: inherit; font-size: 13px; cursor: pointer; }
.dd-cal-grid button:hover { border-color: var(--accent); }
.dd-cal-grid button.sel { background: color-mix(in srgb, var(--accent) 12%, transparent); border-color: var(--accent); color: var(--accent); font-weight: 700; }
.dd-cal-grid button.today:not(.sel) { border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); }
.dd-cal-empty { aspect-ratio: 1; }
.dd-cal-dot { position: absolute; bottom: 5px; width: 5px; height: 5px; border-radius: 50%; background: var(--green); }

/* tables / events / import */
.dd-table { width: 100%; border-collapse: collapse; }
.dd-table th { text-align: left; color: var(--muted); font-size: 12px; font-weight: 600; padding: 8px 6px; border-bottom: 1px solid var(--border); }
.dd-table td { padding: 10px 6px; border-bottom: 1px solid var(--border); color: var(--muted); font-size: 13.5px; }
.dd-table td:first-child { color: var(--text); font-weight: 600; }
.dd-events { list-style: none; margin: 0; padding: 0; }
.dd-events li { display: flex; align-items: center; gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--border); }
.dd-events li:last-child { border-bottom: 0; }
.dd-ev-ic { width: 32px; height: 32px; border-radius: 9px; background: color-mix(in srgb, var(--accent) 10%, transparent); color: var(--accent); display: grid; place-items: center; flex: 0 0 auto; }
.dd-ev-meta { flex: 1; display: flex; flex-direction: column; }
.dd-ev-meta strong { font-size: 14px; color: var(--text); }
.dd-ev-meta small { font-size: 12.5px; color: var(--muted); }
.dd-events time { color: var(--muted); font-size: 13px; }
.dd-import { display: grid; grid-template-columns: 1fr 220px auto; gap: 14px; align-items: end; }
.dd-import label { display: flex; flex-direction: column; gap: 6px; }
.dd-import label span { font-size: 12px; color: var(--muted); font-weight: 600; }
.dd-import input, .dd-import select { height: 42px; border: 1px solid var(--border); border-radius: 10px; padding: 0 12px; background: var(--surface); color: var(--text); font: inherit; }
.dd-import input[type=checkbox] { width: 18px; height: 18px; align-self: flex-start; accent-color: var(--accent); }
.dd-import input[type=file] { padding: 9px 12px; }
.dd-import input::file-selector-button { border: 0; border-radius: 8px; margin-right: 10px; padding: 6px 10px; background: color-mix(in srgb, var(--accent) 12%, var(--surface)); color: var(--accent); font: inherit; font-weight: 700; cursor: pointer; }
.dd-import button.dd-sync { height: 42px; background: var(--accent); color: #fff; border-color: transparent; }
.dd-import-hint { margin-top: 14px; color: var(--muted); font-size: 13.5px; }
.dd-import-summary { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 16px; }
.dd-import-summary span, .dd-import-confirmation { background: var(--bg); border: 1px solid var(--border); border-radius: 12px; padding: 12px 14px; }
.dd-import-summary span { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.dd-import-summary strong { color: var(--text); font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dd-import-summary small, .dd-import-confirmation span { color: var(--muted); font-size: 12.5px; }
.dd-import-confirmation { display: flex; flex-direction: column; gap: 5px; margin-top: 16px; }
.dd-import-result { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 16px; }
.dd-import-result span { background: var(--bg); border: 1px solid var(--border); border-radius: 12px; padding: 14px; display: flex; flex-direction: column; gap: 4px; }
.dd-import-result strong { font-size: 24px; font-weight: 800; }
.dd-import-result small { color: var(--muted); font-size: 12.5px; }
.dd-inline-form { display: flex; gap: 8px; margin-top: 8px; align-items: center; }
.dd-inline-form input { min-width: 0; flex: 1; height: 34px; border: 1px solid var(--border); border-radius: 8px; padding: 0 10px; background: var(--surface); color: var(--text); font: inherit; font-size: 13px; }

.dd-empty { display: grid; place-items: center; height: 240px; color: var(--muted); font-size: 14px; }
.dd-empty.compact { height: auto; padding: 28px 0; }

/* avisos */
.dd-note { margin: 0 0 14px; padding: 11px 14px; border-radius: 12px; font-size: 13.5px; border: 1px solid var(--border); }
.dd-note.warn { color: var(--warn-text); background: var(--warn-bg); border-color: var(--warn-border); }
.dd-note.err { color: var(--err-text); background: var(--err-bg); border-color: var(--err-border); }
.dd-import-hint + .dd-note, .dd-note + .dd-import-result { margin-top: 14px; }

/* tooltip */
.dd-tooltip { position: fixed; z-index: 60; background: rgba(15, 23, 42, .96); color: #fff; border: 1px solid rgba(255, 255, 255, .08); border-radius: 10px; padding: 9px 11px; font-size: 12.5px; line-height: 1.4; pointer-events: none; box-shadow: 0 14px 34px rgba(15, 23, 42, .28); display: flex; flex-direction: column; gap: 2px; max-width: 220px; }
.dd-tooltip[hidden] { display: none; }
.dd-tooltip strong { font-weight: 700; }
.dd-tooltip span { color: rgba(255, 255, 255, .78); }

/* mobile chrome (hidden on desktop) */
.dd-mtop, .dd-bottomnav { display: none; }
.dd-only-mobile { display: none; }

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .dd-shell { grid-template-columns: 1fr; }
  .dd-shell > .dd-rail { display: none; }
  .dd-topbar { display: none; }
  .dd-mtop { display: flex; align-items: center; justify-content: space-between; padding: 14px; background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 20; }
  .dd-mtop strong { font-size: 18px; font-weight: 800; }
  .dd-mtop-actions { display: flex; align-items: center; gap: 8px; }
  .dd-bottomnav { display: flex; justify-content: space-around; position: fixed; left: 0; right: 0; bottom: 0; background: var(--surface); border-top: 1px solid var(--border); padding: 8px 4px calc(8px + env(safe-area-inset-bottom)); z-index: 30; }
  .dd-bn { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 3px; border: 0; background: none; color: var(--muted); font: inherit; font-size: 11px; font-weight: 600; cursor: pointer; }
  .dd-bn.active { color: var(--accent); }
  .dd-only-desktop { display: none; }
  .dd-only-mobile { display: inline-grid; }
  .dd-content { padding: 16px 16px 92px; }
  .dd-status { grid-template-columns: 1fr 1fr; }
  .dd-status-notice { grid-column: 1 / -1; }
  .dd-glucose-grid { grid-template-columns: 1fr; }
  .dd-cal-card, .dd-glucose-grid > .dd-cgm, .dd-glucose-grid > .dd-tir { grid-column: auto; grid-row: auto; }
  .dd-readings-card { grid-column: auto; }
  .dd-act-grid { grid-template-columns: 1fr; }
  .dd-import { grid-template-columns: 1fr; }
  .dd-import-result, .dd-import-summary { grid-template-columns: 1fr 1fr; }
  .dd-a1c-grid, .dd-a1c-form { grid-template-columns: 1fr; }
  .dd-overflow-backdrop { display: block; position: fixed; inset: 0; background: rgba(15, 23, 42, .28); z-index: 35; }
  .dd-overflow { display: flex; flex-direction: column; position: fixed; left: 12px; right: 12px; bottom: calc(66px + env(safe-area-inset-bottom)); background: var(--surface); border: 1px solid var(--border); border-radius: 14px; box-shadow: var(--shadow); padding: 6px; z-index: 40; }
  .dd-overflow-item { display: flex; align-items: center; gap: 12px; border: 0; background: none; color: var(--text); font: inherit; font-weight: 600; font-size: 15px; padding: 13px 14px; border-radius: 10px; cursor: pointer; text-align: left; }
  .dd-overflow-item.active { color: var(--accent); background: var(--bg); }
}

@media (max-width: 560px) {
  .dd-status, .dd-stats-grid { grid-template-columns: 1fr; }
  .dd-section-title { align-items: flex-start; flex-direction: column; gap: 10px; }
  .dd-pills { max-width: 100%; width: 100%; }
  .dd-pills button { flex: 1 1 0; min-width: 0; padding-inline: 10px; }
  .dd-cgm { padding: 16px; }
  .dd-metric { padding: 16px; }
  .dd-avg-big strong { font-size: 34px; }
  .dd-tir-body { flex-direction: column; align-items: flex-start; gap: 14px; }
  .dd-donut { width: 104px; height: 104px; }
  .dd-legend { gap: 14px; flex-wrap: wrap; }
  .dd-import-result, .dd-import-summary { grid-template-columns: 1fr; }
}

/* ---------- login ---------- */
.dd-shell-login { display: block; min-height: 100vh; background: var(--bg); }
.dd-login { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 24px; }
.dd-login-card { width: 100%; max-width: 400px; padding: 36px 32px; display: flex; flex-direction: column; gap: 20px; }
.dd-login-brand { display: flex; align-items: center; gap: 10px; }
.dd-login-brand .dd-brandname { font-size: 20px; font-weight: 800; color: var(--text); }
.dd-login-title { font-size: 22px; font-weight: 800; color: var(--text); margin: 0; }
.dd-login-sub { font-size: 14px; color: var(--muted); margin: -12px 0 0; }
.dd-login-form { display: flex; flex-direction: column; gap: 14px; }
.dd-login-label { display: flex; flex-direction: column; gap: 6px; font-size: 14px; font-weight: 600; color: var(--text); }
.dd-login-label input { padding: 11px 14px; border: 1px solid var(--border); border-radius: 10px; background: var(--bg); color: var(--text); font: inherit; font-size: 15px; outline: none; transition: border-color .15s; }
.dd-login-label input:focus { border-color: var(--accent); }
.dd-login-btn { width: 100%; justify-content: center; padding: 12px 20px; font-size: 15px; }
.dd-login-passkey { width: 100%; justify-content: center; gap: 8px; padding: 12px 20px; font-size: 15px; }
.dd-login-sep { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 12px; font-weight: 700; text-transform: uppercase; }
.dd-login-sep::before, .dd-login-sep::after { content: ""; flex: 1; height: 1px; background: var(--border); }
.dd-login-loading { color: var(--muted); font-size: 15px; font-weight: 600; }

/* ---------- cuenta / sesiones ---------- */
.dd-logout { display: flex; align-items: center; gap: 8px; width: 100%; padding: 9px 12px; border: 0; background: transparent; color: #9fb1c6; border-radius: 12px; cursor: pointer; font: inherit; font-size: 13px; font-weight: 600; transition: background .15s, color .15s; }
.dd-logout:hover { background: rgba(255, 255, 255, .06); color: #ef8080; }
.dd-sessions-table { width: 100%; }
.dd-sessions-table th, .dd-sessions-table td { font-size: 13px; }
.dd-session-current td { color: var(--accent); }
.dd-session-badge { display: inline-block; padding: 1px 7px; border-radius: 6px; background: color-mix(in srgb, var(--accent) 12%, transparent); color: var(--accent); font-size: 11px; font-weight: 700; margin-left: 6px; }
.dd-session-ua { max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dd-passkeys-table .dd-session-ua { max-width: 180px; }
.dd-table-actions { display: flex; gap: 10px; align-items: center; justify-content: flex-end; white-space: nowrap; }
.dd-passkey-form { display: grid; grid-template-columns: minmax(180px, 1fr) minmax(180px, 1fr) auto; gap: 12px; align-items: end; margin-bottom: 14px; }
.dd-account-logout { display: flex; flex-direction: column; gap: 12px; max-width: 480px; }
.dd-account-logout-desc { font-size: 14px; color: var(--muted); margin: 0; }

@media (max-width: 720px) {
  .dd-passkey-form { grid-template-columns: 1fr; }
}