/* ============================================================
   Aktuell view — mobile-native take on the dashboard "Now" surface.
   Designed for thumb-zone reach, glance-readability at arm's length,
   and sub-300ms touch feedback per Emil's rule (transform: scale on
   :active, ease-out exponential, no bounce).
   ============================================================ */

/* Now-card no longer embeds the Floor-Plan: room is shown in the meta line,
 * and the inline plan lives one tap away (Nächste-Lektion dropdown +
 * Heute-noch list). Keeps the Aktuell card lean. */

/* Now-card: most-prominent surface on the page. Larger left padding-line
   anchored by an accent dot when active (no side-stripe border — banned).
   Hierarchy: kicker label (10px caps) → big mono time → title → meta. */
.m-now-card {
  position: relative;
  /* Horizontal alignment with siblings comes from .m-main's padding alone;
   * adding margin here used to inset the Now-Card 14px more than the lists
   * underneath, making it visually narrower than the rest. */
  margin: 12px 0 0;
  padding: 16px 18px;
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  /* Tappable feel even though it isn't a link — feedback tightens daily-use. */
  transition: transform var(--t-fast) var(--ease);
}
.m-now-card--active {
  border-color: var(--accent-border);
  background:
    radial-gradient(120% 80% at 0% 0%, var(--accent-glow), transparent 60%),
    var(--surface);
}
.m-now-card--idle { border-style: dashed; opacity: 0.96; }

.m-now-card__lbl {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.m-now-card--active .m-now-card__lbl {
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.m-now-card--active .m-now-card__lbl::before {
  content: '';
  position: relative;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  /* Static halo (composited once, never animates). The breathing layer is
   * the wrapping ::after on the parent — see below. */
  box-shadow: 0 0 0 3px var(--accent-shadow);
}
.m-now-card--active .m-now-card__lbl {
  position: relative;
}
/* GPU-only pulse: a transparent ring scales out + fades. transform + opacity
 * are compositor-only properties; no repaint per frame, unlike box-shadow. */
.m-now-card--active .m-now-card__lbl::after {
  content: '';
  position: absolute;
  left: -1px;
  top: 50%;
  width: 8px;
  height: 8px;
  margin-top: -4px;
  border-radius: 50%;
  background: var(--accent-pulse);
  transform-origin: center;
  animation: m-now-pulse 1.6s var(--ease) infinite;
  pointer-events: none;
}

@keyframes m-now-pulse {
  0%   { transform: scale(0.9); opacity: 0.55; }
  70%  { transform: scale(2.4); opacity: 0;    }
  100% { transform: scale(2.4); opacity: 0;    }
}

.m-now-card__time {
  font-family: var(--font-mono);
  font-feature-settings: "tnum" 1, "zero" 1;
  font-size: clamp(20px, 6.2vw, 26px);
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
  margin-top: 4px;
  line-height: 1.1;
}
.m-now-card--active .m-now-card__time { color: var(--accent); }
.m-now-card__title {
  font-size: clamp(16px, 4.6vw, 18px);
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
  margin-top: 2px;
}
.m-now-card__meta {
  font-size: 13px;
  color: var(--text-mute);
  margin-top: 4px;
  line-height: 1.4;
}
/* Idle Now-Card: hairline between the headline ("Heute keine Lektionen")
 * and the "Nächste Lektion: …" meta line so the meta reads as a separate
 * piece of info, not a subtitle. :not(:empty) keeps the divider away
 * when there's no upcoming lesson and the meta would be blank. */
.m-now-card--idle .m-now-card__meta:not(:empty) {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border-soft);
}

/* Tiles row — stacked one-per-row for thumb-readability.
   Aligns with the Now-Card and the Heute-noch list (all live in m-main's
   14px padding; no extra horizontal margin here). */
.m-now-tiles {
  margin: 10px 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
.m-now-tile {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: 14px;
  text-decoration: none;
  color: var(--text);
  -webkit-tap-highlight-color: transparent;
  transition: transform var(--t-fast) var(--ease), background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}
.m-now-tile:active {
  transform: scale(0.985);
  background: var(--surface-2);
  border-color: var(--border);
}
.m-now-tile__body {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.m-now-tile__lbl {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.m-now-tile__val {
  font-family: var(--font-mono);
  font-feature-settings: "tnum" 1, "zero" 1;
  font-size: 18px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: -0.01em;
  margin-top: 2px;
  line-height: 1.15;
}
.m-now-tile__sub {
  font-size: 13px;
  color: var(--text-mute);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}
.m-now-tile__chev {
  width: 18px;
  height: 18px;
  color: var(--text-dim);
  flex-shrink: 0;
  transition: transform var(--t-fast) var(--ease);
}

/* Expandable variant — Tile is a button, panel slides open below.
   Shell wraps both so border + radius envelope the whole expanded card. */
.m-now-tile-shell {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: 14px;
  overflow: hidden;
  transition: border-color var(--t-fast) var(--ease);
}
.m-now-tile-shell--open { border-color: var(--border); }
.m-now-tile-shell .m-now-tile {
  background: transparent;
  border: 0;
  border-radius: 0;
  width: 100%;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
}
.m-now-tile--btn[aria-expanded="true"] .m-now-tile__chev {
  transform: rotate(90deg);
}
.m-now-tile__panel {
  border-top: 1px solid var(--border-soft);
  padding: 12px 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  animation: tilePanelIn 200ms var(--ease);
}
@keyframes tilePanelIn {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}
.m-now-tile__dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 4px 14px;
  margin: 0;
  font-size: 13px;
}
.m-now-tile__dl dt {
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 10.5px;
  align-self: center;
}
.m-now-tile__dl dd {
  margin: 0;
  color: var(--text);
}
.m-now-tile__floor {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
/* When the floor block is embedded INSIDE the Now-Card (idle / next-today
 * states), give it room to breathe from the meta line above AND let the
 * RaumView stage bleed to the card's outer edges so it looks substantial,
 * not like a tiny inset image. The caption pill stays inside the card's
 * text-content area for visual hierarchy; only the stage bleeds. */
.m-now-card .m-now-tile__floor {
  margin-top: 12px;
}
/* Make the embedded RaumView genuinely big: bleed horizontally past the
 * card's 18px padding (gain ~36px of width) AND override the stage's
 * native ~2:1 aspect-ratio with a taller 14:9 in this context so the
 * floor plan actually reads at a glance on phones. Overriding the
 * aspect-ratio stretches the room boxes a little vertically — that's
 * acceptable here because the goal is "see it" not "exact geometry";
 * the standalone editors keep the original ratio. */
/* The floor plan stays INSIDE the card's content area — no horizontal
 * bleed. width: 100% + max-width: 100% guarantees it can never extend
 * past .m-now-tile__floor (which itself is constrained by the card's
 * 18px padding) regardless of any internal element width. */
.m-now-card .m-now-tile__floor {
  max-width: 100%;
  overflow: hidden;
}
.m-now-card .m-now-tile__floor .raumview {
  width: 100%;
  max-width: 100%;
  margin: 0;
}
.m-now-card .m-now-tile__floor .raumview .raumview__stage {
  width: 100%;
  max-width: 100%;
  /* min-height nudges the stage just past the natural ~2:1 aspect-ratio
   * (which gives ~155px in a 290px-wide iPhone-SE card). 180px keeps the
   * floor plan readable without crowding the card on tiny phones. */
  min-height: 180px;
  box-sizing: border-box;
}

/* Small-device legibility tuning for the embedded RaumView. The default
 * room sizing is calibrated for the 1000+px standalone editor; in a
 * narrow phone card those same labels feel cramped and the long utility
 * names ("Treppenhaus", "Schulleitung-HB", "Aufenthalt") truncate. */
.m-now-card .m-now-tile__floor .raumview .raumview__room {
  font-size: 10px;
}
.m-now-card .m-now-tile__floor .raumview .raumview__room-label {
  padding: 0 2px;
}
.m-now-card .m-now-tile__floor .raumview .raumview__room--utility {
  font-size: 8.5px;
}
.m-now-card .m-now-tile__floor .raumview .raumview__room--utility .raumview__room-label {
  /* Two short lines beat one truncated mess. */
  white-space: normal;
  line-height: 1.05;
  text-align: center;
  text-overflow: clip;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
}
.m-now-card .m-now-tile__floor .raumview .raumview__room--active {
  font-size: 11px;
}

/* iPhone SE / very narrow phones: every label except the numbered
 * classrooms is unreadable at this size. Hide utility labels entirely
 * — the hatched fill already tells the user "non-classroom"; trying to
 * fit "Schulleitung-HB" into a 38px box just clutters the diagram.
 * Drop classroom font another step too so room numbers don't crowd. */
@media (max-width: 400px) {
  .m-now-card .m-now-tile__floor .raumview .raumview__room {
    font-size: 9.5px;
  }
  .m-now-card .m-now-tile__floor .raumview .raumview__room--active {
    font-size: 10.5px;
  }
  .m-now-card .m-now-tile__floor .raumview .raumview__room--utility .raumview__room-label {
    display: none;
  }
}

/* Idle Now-Card preview block: shows the upcoming non-today lesson's full
 * details below the meta line. Hierarchy: title (regular weight, 14px) +
 * meta (12px, dim). Sits above the embedded floor view. */
.m-now-card__next {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border-soft);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.m-now-card__next-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}
.m-now-card__next-meta {
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.01em;
}
/* Caption ABOVE the floor-plan inside the Nächste-Lektion dropdown.
   We render our own pill above, and hide the RaumView's internal caption
   underneath — the geographic anchor reads better before the visual. */
.m-now-tile__floor-caption {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  padding: 4px 10px;
  background: var(--surface-2);
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  font-size: 11px;
}
.m-now-tile__floor-tag {
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.04em;
}
.m-now-tile__floor-room {
  color: var(--text);
  font-weight: 600;
}
.m-now-tile__floor .raumview {
  margin: 0;
}
.m-now-tile__floor .raumview__caption {
  display: none;
}

/* Letzte-Änderung dropdown list. */
.m-now-tile__count {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 7px;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 999px;
  font-size: 10px;
  letter-spacing: 0;
}
.m-now-tile__val--empty { color: var(--text-dim); }
.m-now-tile__kind {
  font-size: 14px;
  font-weight: 700;
  color: var(--warning);
  letter-spacing: 0.02em;
  margin-top: 2px;
}
.m-now-tile__changes {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--border-soft);
  animation: tilePanelIn 200ms var(--ease);
}
.m-now-tile__changes li + li .m-now-tile__change {
  border-top: 1px solid var(--border-soft);
}
/* Swipe-to-dismiss: pan-y signalisiert dass vertikales Scrollen erlaubt
 * ist, horizontales aber von uns gehandled wird. Sonst würde der Browser
 * z.B. auf iOS die page-back-Geste zuerst kapern. */
.m-now-tile__changes li {
  touch-action: pan-y;
}
/* Swipe-Item-Container: position:relative + overflow:hidden damit der
 * Backdrop unter dem Button liegt und beim Wisch nicht überläuft. */
.m-now-tile__change-item {
  position: relative;
  overflow: hidden;
}
/* Swipe-Backdrop: liegt unter dem Button (z-index 0). Sichtbar wird er
 * durch JS-gesteuerte opacity während der Geste. Roter Gradient + Trash-
 * Icon rechts signalisieren die Dismiss-Aktion. Bei is-armed-Klasse
 * (Threshold überschritten) wird der Backdrop saturierter und das Icon
 * skaliert hoch — taktiles "ready-to-fire"-Feedback. */
.m-now-tile__change-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  padding: 0 18px;
  background: linear-gradient(to left,
    var(--danger-bg) 0%,
    var(--danger-soft-hint) 60%,
    transparent 100%);
  color: var(--danger);
  pointer-events: none;
  opacity: 0;
}
.m-now-tile__change-bg-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: transform var(--t-fast) var(--ease);
}
.m-now-tile__change-bg-icon {
  flex-shrink: 0;
  transition: transform var(--t-fast) var(--ease);
}
/* "Armed" — Threshold überschritten, Loslassen würde dismissen. Backdrop
 * intensiviert sich, Icon scale-up als haptik-äquivalentes visual. */
.m-now-tile__change-bg.is-armed {
  background: linear-gradient(to left,
    var(--danger-bg-armed) 0%,
    var(--danger-soft) 60%,
    transparent 100%);
}
.m-now-tile__change-bg.is-armed .m-now-tile__change-bg-icon {
  transform: scale(1.15);
}
.m-now-tile__change-bg.is-armed .m-now-tile__change-bg-label {
  transform: translateX(-2px);
}
/* Button liegt ÜBER dem Backdrop und braucht eigenen opaken Background
 * sonst zeigt der Backdrop schon im Ruhezustand durch. */
.m-now-tile__change-item .m-now-tile__change {
  position: relative;
  z-index: 1;
  background: var(--surface);
}
.m-now-tile__change-item .m-now-tile__change:active {
  background: var(--surface-2);
}
/* "Alle gelesen"-Action-Row als first-li im Panel — rechtsbündig, ghost
 * style, dezent. Drückt nicht über die Liste, dient als Header der
 * dismissable Items darunter. */
.m-now-tile__action-row {
  display: flex;
  justify-content: flex-end;
  padding: 6px 10px 0;
  /* Diese Row ist NICHT swipeable — touch-action zurücksetzen */
  touch-action: auto;
}
.m-now-tile__dismiss-all {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-mute);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 4px 10px;
  border-radius: var(--r-sm);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: color var(--t-fast) var(--ease),
              background var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease),
              transform var(--t-fast) var(--ease);
}
.m-now-tile__dismiss-all:active:not(:disabled) {
  transform: scale(0.96);
  background: var(--surface-2);
  color: var(--text);
  border-color: var(--border);
}
.m-now-tile__dismiss-all:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.m-now-tile__change {
  display: grid;
  grid-template-columns: 44px 1fr;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  width: 100%;
  background: transparent;
  border: 0;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  transition: background var(--t-fast) var(--ease);
}
.m-now-tile__change:active { background: var(--surface-2); }
/* Inline-Diff im Titel-Text der Liste. Mono damit Tabular-Nums alignen. */
.m-now-tile__change-diff {
  font-weight: 600;
  margin-left: 2px;
}
.m-now-tile__change-arrow {
  color: var(--text-dim);
  font-weight: 500;
}
/* Top-Tile-Note (m-now-tile__val) — bleibt prev → curr im Wert-Slot, weil
 * das Top-Tile keine ikonisch-Modulnummer-Format-Spalte hat. */
.m-now-tile__val-prev {
  font-size: 14px;
  font-weight: 500;
  opacity: 0.55;
}
.m-now-tile__val-arrow {
  font-size: 13px;
  color: var(--text-dim);
  font-weight: 500;
}
.m-now-tile__val-curr {
  font-weight: 600;
}
.m-now-tile__change-icon {
  font-size: 16px;
  text-align: center;
  color: var(--warning);
}
/* Letzte-Änderung-Liste: Modifier für Note-Diff-Icons. Nach der Base-Klasse
 * platziert, damit die Farbe (accent/g-good) die Default-orange aus
 * .m-now-tile__change-icon korrekt überschreibt — bei gleicher Specificity
 * gewinnt die später definierte Regel.
 *  ✎ (note-change) — accent-blau, eine bestehende Modul-Note hat sich geändert
 *  ＋ (note-new)   — grade-excellent grün, eine Note wurde erstmals erfasst
 *  ⇄ (Zimmerwechsel) — Default-orange aus der Base-Klasse */
.m-now-tile__change-icon--note-change {
  color: var(--accent);
  font-size: 16px;
}
.m-now-tile__change-icon--note-new {
  color: var(--g-good, var(--accent));
  font-size: 17px;
  font-weight: 700;
}
.m-now-tile__change-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.m-now-tile__change-title {
  font-size: 13px;
  color: var(--text);
  /* Mobile-Phones sind schmal — lange Modul-Namen + Diff-Werte würden mit
   * nowrap/ellipsis abgeschnitten. Wrap auf mehrere Zeilen, mit
   * overflow-wrap so dass auch lange Wörter (z.B. zusammengesetzte
   * Veranstaltungs-Titel) brechen wenn nötig. */
  line-height: 1.35;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.m-now-tile__change-sub { font-size: 11px; color: var(--text-mute); }

@media (prefers-reduced-motion: reduce) {
  .m-now-card--active .m-now-card__lbl::after {
    animation: none;
    opacity: 0;
  }
  .m-now-tile { transition: none; }
  .m-now-tile:active { transform: none; }
  .m-now-tile__chev { transition: none; }
  .m-now-tile__panel { animation: none; }
}