/* ─────────────────────────────────────────────────────────────────────────
   THE SYSTEM · Virtual Keyboard — bottom-sheet cyan
   Source de vérité : _mockup/keyboard.html
   3 claviers : heure · nombre · azerty
   ───────────────────────────────────────────────────────────────────────── */

:root {
  --kbd-overlay-bg: rgba(3, 5, 8, 0.60);

  --kbd-sheet-bg: rgba(7, 9, 14, 0.99);
  --kbd-sheet-border: rgba(63, 231, 255, 0.15);

  --kbd-title: rgba(255, 255, 255, 0.25);

  --kbd-display-bg: rgba(255, 255, 255, 0.04);
  --kbd-display-border: rgba(63, 231, 255, 0.20);
  --kbd-display-value: rgba(255, 255, 255, 0.95);
  --kbd-display-unit: rgba(255, 255, 255, 0.40);
  --kbd-display-hint: rgba(255, 255, 255, 0.20);

  --kbd-key-bg: rgba(255, 255, 255, 0.06);
  --kbd-key-border: rgba(255, 255, 255, 0.09);
  --kbd-key-text: rgba(255, 255, 255, 0.85);
  --kbd-key-hover-bg: rgba(255, 255, 255, 0.10);
  --kbd-key-active-bg: rgba(63, 231, 255, 0.10);
  --kbd-key-active-border: rgba(63, 231, 255, 0.30);

  --kbd-key-dot-bg: rgba(255, 255, 255, 0.04);
  --kbd-key-dot-text: rgba(255, 255, 255, 0.50);

  --kbd-key-c-bg: rgba(255, 255, 255, 0.03);
  --kbd-key-c-border: rgba(255, 255, 255, 0.09);
  --kbd-key-c-text: rgba(255, 255, 255, 0.35);

  --kbd-key-del-bg: rgba(255, 77, 106, 0.06);
  --kbd-key-del-border: rgba(255, 77, 106, 0.18);
  --kbd-key-del-text: rgba(255, 77, 106, 0.65);

  --kbd-cancel-border: rgba(255, 255, 255, 0.12);
  --kbd-cancel-text: rgba(255, 255, 255, 0.35);

  --kbd-ok-bg: rgba(63, 231, 255, 0.08);
  --kbd-ok-border: rgba(63, 231, 255, 0.35);
  --kbd-ok-text: #3fe7ff;

  --kbd-hydra: rgba(63, 231, 255, 0.45);

  --kbd-cursor: #3fe7ff;

  /* AZERTY */
  --kbd-az-title: rgba(255, 255, 255, 0.25);
  --kbd-az-display-bg: rgba(255, 255, 255, 0.04);
  --kbd-az-display-border: rgba(63, 231, 255, 0.20);
  --kbd-az-display-text: rgba(255, 255, 255, 0.95);
  --kbd-az-hint: rgba(255, 255, 255, 0.20);

  --kbd-az-key-bg: rgba(255, 255, 255, 0.06);
  --kbd-az-key-border: rgba(255, 255, 255, 0.09);
  --kbd-az-key-text: rgba(255, 255, 255, 0.85);
  --kbd-az-key-hover-bg: rgba(255, 255, 255, 0.10);
  --kbd-az-key-active-bg: rgba(63, 231, 255, 0.10);
  --kbd-az-key-active-border: rgba(63, 231, 255, 0.30);

  --kbd-az-digit-bg: rgba(255, 255, 255, 0.04);
  --kbd-az-digit-text: rgba(255, 255, 255, 0.55);

  --kbd-az-space-bg: rgba(255, 255, 255, 0.05);
  --kbd-az-space-border: rgba(255, 255, 255, 0.10);
  --kbd-az-space-text: rgba(255, 255, 255, 0.30);

  --kbd-az-shift-bg: rgba(63, 231, 255, 0.06);
  --kbd-az-shift-border: rgba(63, 231, 255, 0.18);
  --kbd-az-shift-text: rgba(63, 231, 255, 0.60);
  --kbd-az-shift-on-bg: rgba(63, 231, 255, 0.14);
  --kbd-az-shift-on-border: rgba(63, 231, 255, 0.40);
  --kbd-az-shift-on-text: #3fe7ff;

  --kbd-az-del-bg: rgba(255, 77, 106, 0.06);
  --kbd-az-del-border: rgba(255, 77, 106, 0.18);
  --kbd-az-del-text: rgba(255, 77, 106, 0.65);
}

body.light-mode {
  --kbd-overlay-bg: rgba(200, 200, 210, 0.60);

  --kbd-sheet-bg: rgba(242, 244, 250, 0.99);
  --kbd-sheet-border: rgba(0, 0, 0, 0.10);

  --kbd-title: rgba(10, 13, 20, 0.30);

  --kbd-display-bg: rgba(0, 0, 0, 0.03);
  --kbd-display-border: rgba(0, 153, 204, 0.25);
  --kbd-display-value: rgba(10, 13, 20, 0.95);
  --kbd-display-unit: rgba(10, 13, 20, 0.40);
  --kbd-display-hint: rgba(10, 13, 20, 0.25);

  --kbd-key-bg: #FFFFFF;
  --kbd-key-border: rgba(0, 0, 0, 0.10);
  --kbd-key-text: rgba(10, 13, 20, 0.85);
  --kbd-key-hover-bg: rgba(0, 0, 0, 0.04);
  --kbd-key-active-bg: rgba(0, 153, 204, 0.08);
  --kbd-key-active-border: rgba(0, 153, 204, 0.30);

  --kbd-key-dot-bg: rgba(0, 0, 0, 0.02);
  --kbd-key-dot-text: rgba(10, 13, 20, 0.50);

  --kbd-key-c-bg: rgba(0, 0, 0, 0.02);
  --kbd-key-c-border: rgba(0, 0, 0, 0.10);
  --kbd-key-c-text: rgba(10, 13, 20, 0.40);

  --kbd-key-del-bg: rgba(200, 30, 50, 0.05);
  --kbd-key-del-border: rgba(200, 30, 50, 0.15);
  --kbd-key-del-text: #CC2244;

  --kbd-cancel-border: rgba(0, 0, 0, 0.12);
  --kbd-cancel-text: rgba(10, 13, 20, 0.40);

  --kbd-ok-bg: rgba(0, 153, 204, 0.08);
  --kbd-ok-border: rgba(0, 153, 204, 0.30);
  --kbd-ok-text: #0099CC;

  --kbd-hydra: rgba(0, 153, 204, 0.60);

  --kbd-cursor: #0099CC;

  --kbd-az-title: rgba(10, 13, 20, 0.30);
  --kbd-az-display-bg: rgba(0, 0, 0, 0.03);
  --kbd-az-display-border: rgba(0, 153, 204, 0.25);
  --kbd-az-display-text: rgba(10, 13, 20, 0.95);
  --kbd-az-hint: rgba(10, 13, 20, 0.30);

  --kbd-az-key-bg: #FFFFFF;
  --kbd-az-key-border: rgba(0, 0, 0, 0.10);
  --kbd-az-key-text: rgba(10, 13, 20, 0.80);
  --kbd-az-key-hover-bg: rgba(0, 0, 0, 0.04);
  --kbd-az-key-active-bg: rgba(0, 153, 204, 0.08);
  --kbd-az-key-active-border: rgba(0, 153, 204, 0.30);

  --kbd-az-digit-bg: rgba(0, 0, 0, 0.02);
  --kbd-az-digit-text: rgba(10, 13, 20, 0.55);

  --kbd-az-space-bg: rgba(0, 0, 0, 0.04);
  --kbd-az-space-border: rgba(0, 0, 0, 0.10);
  --kbd-az-space-text: rgba(10, 13, 20, 0.35);

  --kbd-az-shift-bg: rgba(0, 153, 204, 0.05);
  --kbd-az-shift-border: rgba(0, 153, 204, 0.18);
  --kbd-az-shift-text: #0099CC;
  --kbd-az-shift-on-bg: rgba(0, 153, 204, 0.14);
  --kbd-az-shift-on-border: rgba(0, 153, 204, 0.40);
  --kbd-az-shift-on-text: #0099CC;

  --kbd-az-del-bg: rgba(200, 30, 50, 0.05);
  --kbd-az-del-border: rgba(200, 30, 50, 0.15);
  --kbd-az-del-text: #CC2244;
}

/* ── Overlay ──────────────────────────────────────────────────────────── */
.vk-overlay {
  position: fixed;
  inset: 0;
  background: var(--kbd-overlay-bg);
  z-index: var(--z-keyboard, 9650);
  isolation: isolate;
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease;
}
.vk-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

/* ── Sheet (bottom slide-up) ──────────────────────────────────────────── */
.vk-panel {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0 auto;
  max-width: 390px;
  width: 100%;
  z-index: 1;
  background: var(--kbd-sheet-bg);
  border-top: 1px solid var(--kbd-sheet-border);
  border-radius: 20px 20px 0 0;
  padding: 20px 16px calc(32px + env(safe-area-inset-bottom, 0px));
  transform: translateY(100%);
  transition: transform 280ms cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
  max-height: 90vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  box-sizing: border-box;
}
.vk-panel.open { transform: translateY(0); }
.vk-panel.vk-panel-az { padding: 16px 12px calc(28px + env(safe-area-inset-bottom, 0px)); }

/* ── Title ────────────────────────────────────────────────────────────── */
.kbd-sheet-title {
  font-family: 'Share Tech Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.20em;
  color: var(--kbd-title);
  text-transform: uppercase;
  text-align: center;
  margin: 0 0 16px;
}
.vk-panel-az .kbd-sheet-title {
  color: var(--kbd-az-title);
  margin-bottom: 12px;
}

/* ── Display (heure / nombre) ─────────────────────────────────────────── */
.kbd-display {
  background: var(--kbd-display-bg);
  border: 1px solid var(--kbd-display-border);
  border-radius: 8px;
  padding: 16px 20px;
  margin-bottom: 20px;
  text-align: center;
}
.kbd-display-row {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 8px;
}
.kbd-display-value {
  font-family: 'Share Tech Mono', monospace;
  font-size: 36px;
  letter-spacing: 0.10em;
  color: var(--kbd-display-value);
  line-height: 1;
}
.kbd-display-value.big {
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  font-size: 48px;
  letter-spacing: 0.04em;
  color: var(--kbd-ok-text);
}
.kbd-display-value .dim { color: var(--kbd-display-hint); }

.kbd-cursor {
  display: inline-block;
  color: var(--kbd-cursor);
  font-weight: 700;
  animation: kbd-blink 0.8s step-end infinite;
}
@keyframes kbd-blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

.kbd-display-unit {
  font-family: 'Share Tech Mono', monospace;
  font-size: 14px;
  letter-spacing: 0.10em;
  color: var(--kbd-display-unit);
}

.kbd-display-hint {
  margin-top: 8px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.20em;
  color: var(--kbd-display-hint);
  text-transform: uppercase;
}
.kbd-display-current {
  margin-top: 10px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.14em;
  color: var(--kbd-display-hint);
  text-transform: uppercase;
}

/* ── Numpad grid (heure / nombre) ─────────────────────────────────────── */
.kbd-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}
.kbd-key {
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--kbd-key-bg);
  border: 1px solid var(--kbd-key-border);
  border-radius: 8px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 20px;
  color: var(--kbd-key-text);
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  transition: background 80ms ease, border-color 80ms ease, transform 80ms ease;
  box-sizing: border-box;
}
.kbd-key:hover { background: var(--kbd-key-hover-bg); }
.kbd-key:active,
.kbd-key.is-active,
.kbd-key.vk-pressed {
  background: var(--kbd-key-active-bg);
  border-color: var(--kbd-key-active-border);
  transform: scale(0.94);
}
.kbd-key-c {
  background: var(--kbd-key-c-bg);
  border-color: var(--kbd-key-c-border);
  font-family: 'Share Tech Mono', monospace;
  font-size: 14px;
  color: var(--kbd-key-c-text);
}
.kbd-key-dot {
  background: var(--kbd-key-dot-bg);
  color: var(--kbd-key-dot-text);
}
.kbd-key-del {
  background: var(--kbd-key-del-bg);
  border-color: var(--kbd-key-del-border);
  font-family: 'Share Tech Mono', monospace;
  font-size: 18px;
  color: var(--kbd-key-del-text);
}

/* ── Actions (cancel / confirm) ───────────────────────────────────────── */
.kbd-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 16px;
}
.kbd-btn {
  border-radius: 8px;
  padding: 12px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
  text-align: center;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  transition: background 150ms ease, border-color 150ms ease, filter 150ms ease;
  box-sizing: border-box;
}
.kbd-btn-cancel {
  background: transparent;
  border: 1px solid var(--kbd-cancel-border);
  color: var(--kbd-cancel-text);
}
.kbd-btn-ok {
  background: var(--kbd-ok-bg);
  border: 1px solid var(--kbd-ok-border);
  color: var(--kbd-ok-text);
}
.kbd-btn-ok:hover { filter: brightness(1.15); }
.kbd-btn:active { transform: scale(0.98); }

/* ── Hydra note (nombre / poids) ──────────────────────────────────────── */
.kbd-hydra {
  margin-top: 12px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--kbd-hydra);
  text-align: center;
}

/* ── AZERTY display ───────────────────────────────────────────────────── */
.kbd-az-display {
  background: var(--kbd-az-display-bg);
  border: 1px solid var(--kbd-az-display-border);
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 8px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  box-sizing: border-box;
}
.kbd-az-text {
  font-family: 'Share Tech Mono', monospace;
  font-size: 20px;
  letter-spacing: 0.15em;
  color: var(--kbd-az-display-text);
  text-transform: uppercase;
  word-break: break-all;
}
.kbd-az-text.no-upper { text-transform: none; letter-spacing: 0.08em; }
.kbd-az-text.empty    { color: var(--kbd-az-hint); letter-spacing: 0.12em; }
.kbd-az-cursor {
  display: inline-block;
  color: var(--kbd-cursor);
  font-weight: 700;
  margin-left: 2px;
  animation: kbd-az-blink 0.7s step-end infinite;
}
@keyframes kbd-az-blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}
.kbd-az-hint {
  font-family: 'Share Tech Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.18em;
  color: var(--kbd-az-hint);
  text-transform: uppercase;
  margin: 0 0 14px;
  padding-left: 4px;
}

/* ── AZERTY rows ──────────────────────────────────────────────────────── */
.kbd-az-rows {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}
.kbd-az-row {
  display: flex;
  gap: 5px;
}
.kbd-az-key {
  flex: 1;
  min-width: 0;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--kbd-az-key-bg);
  border: 1px solid var(--kbd-az-key-border);
  border-radius: 7px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--kbd-az-key-text);
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  transition: background 80ms ease, border-color 80ms ease, transform 80ms ease;
  box-sizing: border-box;
}
.kbd-az-key:hover { background: var(--kbd-az-key-hover-bg); }
.kbd-az-key:active,
.kbd-az-key.is-active,
.kbd-az-key.vk-pressed {
  background: var(--kbd-az-key-active-bg);
  border-color: var(--kbd-az-key-active-border);
  transform: scale(0.94);
}
.kbd-az-key-digit {
  height: 36px;
  font-size: 12px;
  background: var(--kbd-az-digit-bg);
  color: var(--kbd-az-digit-text);
}
.kbd-az-key-shift {
  flex: 1.4;
  background: var(--kbd-az-shift-bg);
  border-color: var(--kbd-az-shift-border);
  color: var(--kbd-az-shift-text);
  font-size: 14px;
}
.kbd-az-key-shift.is-caps {
  background: var(--kbd-az-shift-on-bg);
  border-color: var(--kbd-az-shift-on-border);
  color: var(--kbd-az-shift-on-text);
}
.kbd-az-key-del {
  flex: 1.4;
  background: var(--kbd-az-del-bg);
  border-color: var(--kbd-az-del-border);
  color: var(--kbd-az-del-text);
  font-size: 14px;
}
.kbd-az-key-space {
  flex: 4;
  background: var(--kbd-az-space-bg);
  border-color: var(--kbd-az-space-border);
  color: var(--kbd-az-space-text);
  font-size: 10px;
  letter-spacing: 0.20em;
}

/* ── Responsive ───────────────────────────────────────────────────────── */
@media (max-height: 640px) {
  .kbd-display { padding: 10px 14px; margin-bottom: 14px; }
  .kbd-display-value { font-size: 28px; }
  .kbd-display-value.big { font-size: 34px; }
  .kbd-key { height: 44px; font-size: 17px; }
  .kbd-az-key { height: 36px; font-size: 12px; }
  .kbd-az-key-digit { height: 30px; font-size: 11px; }
  .kbd-btn { padding: 10px; font-size: 10px; }
}
@media (max-width: 360px) {
  .kbd-key { font-size: 16px; }
  .kbd-az-key { font-size: 11px; letter-spacing: 0.04em; }
}