/* ── Reset & Base ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:          #0f1117;
  --surface:     #1a1d27;
  --surface-2:   #22263a;
  --border:      #2e3350;
  --accent:      #4f8ef7;
  --accent-dim:  #2a4fa8;
  --text:        #e8eaf6;
  --text-subtle: #7b80a0;
  --success:     #22c55e;
  --field:       #3b82f6;
  --office:      #a855f7;
  --shop:        #f97316;
  --dayoff:      #6b7280;
  --vacation:    #f59e0b;
  --danger:      #ef4444;
  --radius:      14px;
  --radius-sm:   8px;
  --safe-top:    env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior: none;
}

/* ── Screen System ────────────────────────────────────────────── */
.screen {
  display: none;
  flex-direction: column;
  height: 100dvh;
  overflow: hidden;
}
.screen.active { display: flex; }

/* ── Loading Overlay ──────────────────────────────────────────── */
#loading-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 17, 23, 0.82);
  z-index: 999;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 14px;
}
#loading-overlay.active { display: flex; }
.spinner {
  width: 44px; height: 44px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Toast ────────────────────────────────────────────────────── */
#toast {
  position: fixed;
  bottom: calc(24px + var(--safe-bottom));
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 12px 22px;
  border-radius: 40px;
  font-size: 0.9rem;
  font-weight: 500;
  opacity: 0;
  transition: opacity 0.25s, transform 0.25s;
  z-index: 1000;
  pointer-events: none;
  white-space: nowrap;
  max-width: 90vw;
}
#toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
#toast.success { border-color: var(--success); color: var(--success); }
#toast.error   { border-color: var(--danger);  color: var(--danger); }
#toast.info    { border-color: var(--accent);  color: var(--accent); }

/* ── Comment Modal ────────────────────────────────────────────── */
#comment-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 900;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: var(--safe-bottom);
}
#comment-modal.active { display: flex; }
.comment-sheet {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius) var(--radius) 0 0;
  padding: 28px 20px 32px;
  width: 100%;
  max-width: 560px;
}
.comment-sheet h3 {
  font-size: 1rem;
  color: var(--text-subtle);
  margin-bottom: 14px;
  font-weight: 500;
}
.comment-sheet textarea {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 1rem;
  padding: 12px;
  resize: none;
  height: 110px;
  outline: none;
}
.comment-sheet textarea:focus { border-color: var(--accent); }
.comment-actions {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

/* ── Buttons ──────────────────────────────────────────────────── */
.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  padding: 14px 20px;
  transition: opacity 0.15s, transform 0.1s;
  -webkit-tap-highlight-color: transparent;
}
.btn:active { opacity: 0.8; transform: scale(0.97); }
.btn-primary  { background: var(--accent); color: #fff; flex: 1; }
.btn-ghost    { background: var(--surface-2); color: var(--text-subtle); flex: 1; border: 1px solid var(--border); }
.btn-icon     { background: var(--surface-2); color: var(--text-subtle); border: 1px solid var(--border); padding: 12px 16px; border-radius: var(--radius-sm); }

/* ─────────────────────────────────────────────────────────────── */
/* SCREEN 1: PIN ENTRY                                             */
/* ─────────────────────────────────────────────────────────────── */
#screen-pin {
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: calc(24px + var(--safe-top)) 20px calc(24px + var(--safe-bottom));
}

.pin-logo {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -1px;
  color: var(--accent);
  margin-bottom: 6px;
}
.pin-logo span { color: var(--text-subtle); font-weight: 400; }

.pin-subtitle {
  font-size: 0.88rem;
  color: var(--text-subtle);
  margin-bottom: 40px;
}

.pin-display {
  display: flex;
  gap: 18px;
  margin-bottom: 40px;
}
.pin-dot {
  width: 18px; height: 18px;
  border-radius: 50%;
  border: 2px solid var(--text-subtle);
  transition: background 0.15s, border-color 0.15s;
}
.pin-dot.filled {
  background: var(--accent);
  border-color: var(--accent);
}
.pin-dot.error {
  background: var(--danger);
  border-color: var(--danger);
}

.pin-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  width: 100%;
  max-width: 320px;
  margin-bottom: 14px;
}
.pin-key {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 1.5rem;
  font-weight: 600;
  padding: 0;
  height: 72px;
  cursor: pointer;
  transition: background 0.1s, transform 0.1s;
  -webkit-tap-highlight-color: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 2px;
  user-select: none;
}
.pin-key .key-letters {
  font-size: 0.5rem;
  letter-spacing: 1.5px;
  color: var(--text-subtle);
  font-weight: 500;
}
.pin-key:active { background: var(--surface-2); transform: scale(0.94); }
.pin-key.key-action { background: var(--surface-2); color: var(--text-subtle); font-size: 1rem; }
.pin-key.key-submit { background: var(--accent); color: #fff; font-size: 1rem; }
.pin-key.key-submit:active { background: var(--accent-dim); }

/* ─────────────────────────────────────────────────────────────── */
/* SCREEN 2: TECH SELECTION                                        */
/* ─────────────────────────────────────────────────────────────── */
#screen-tech { padding: 0; }

.screen-header {
  padding: calc(20px + var(--safe-top)) 20px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  flex-shrink: 0;
}
.screen-header h2 { font-size: 1.1rem; font-weight: 700; }
.screen-header p  { font-size: 0.82rem; color: var(--text-subtle); margin-top: 2px; }

.search-bar {
  padding: 12px 16px;
  flex-shrink: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.search-bar input {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 40px;
  color: var(--text);
  font-size: 0.95rem;
  padding: 10px 18px;
  outline: none;
}
.search-bar input:focus { border-color: var(--accent); }
.search-bar input::placeholder { color: var(--text-subtle); }

.tech-list {
  flex: 1;
  overflow-y: auto;
  padding: 12px 16px;
  padding-bottom: calc(12px + var(--safe-bottom));
  -webkit-overflow-scrolling: touch;
}
.tech-group-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-subtle);
  padding: 14px 4px 8px;
}
.tech-btn {
  display: flex;
  align-items: center;
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 10px;
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s;
  -webkit-tap-highlight-color: transparent;
  text-align: left;
  gap: 14px;
}
.tech-btn:active { background: var(--surface-2); border-color: var(--accent); }
.tech-avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--accent-dim);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  flex-shrink: 0;
}
.tech-info { flex: 1; }
.tech-info .tech-name  { font-size: 1rem; font-weight: 600; }
.tech-info .tech-div   { font-size: 0.8rem; color: var(--text-subtle); margin-top: 2px; }
.tech-info .tech-roles { font-size: 0.75rem; color: var(--accent); margin-top: 1px; }
.tech-chevron { color: var(--text-subtle); font-size: 1.1rem; }

/* ─────────────────────────────────────────────────────────────── */
/* SCREEN 3: SCHEDULE VIEW                                         */
/* ─────────────────────────────────────────────────────────────── */
#screen-schedule { padding: 0; }

.sched-header {
  padding: calc(16px + var(--safe-top)) 20px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 14px;
}
.sched-header-back {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 1rem;
  cursor: pointer;
  min-height: 44px;
  min-width: 44px;
  padding: 4px 8px;
  display: flex;
  align-items: center;
  -webkit-tap-highlight-color: transparent;
  flex-shrink: 0;
}
.sched-header-info { flex: 1; }
.sched-header-info h2 { font-size: 1.05rem; font-weight: 700; }
.sched-header-info p  { font-size: 0.8rem; color: var(--text-subtle); margin-top: 2px; }
.sched-refresh-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-subtle);
  min-height: 44px;
  padding: 8px 14px;
  cursor: pointer;
  font-size: 0.85rem;
  -webkit-tap-highlight-color: transparent;
}

.sched-body {
  flex: 1;
  overflow-y: auto;
  padding: 14px 16px;
  padding-bottom: calc(14px + var(--safe-bottom));
  -webkit-overflow-scrolling: touch;
}

.day-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 12px;
}
.day-card.today { border-color: var(--accent); }
.day-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 12px;
  gap: 10px;
}
.day-card-date { flex: 1; }
.day-card-date .day-name {
  font-size: 1rem;
  font-weight: 700;
}
.day-card-date .today-badge {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 20px;
  margin-left: 8px;
  vertical-align: middle;
  letter-spacing: 0.5px;
}
.day-card-date .date-full {
  font-size: 0.8rem;
  color: var(--text-subtle);
  margin-top: 2px;
}
.comment-trigger {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-subtle);
  min-height: 44px;
  padding: 8px 14px;
  cursor: pointer;
  font-size: 0.8rem;
  -webkit-tap-highlight-color: transparent;
  flex-shrink: 0;
}
.comment-trigger:active { border-color: var(--accent); color: var(--accent); }

.shift-pills {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 40px;
  font-size: 0.85rem;
  font-weight: 600;
  flex: 1;
  min-width: 0;
  justify-content: center;
}
.pill-label { font-size: 0.7rem; font-weight: 700; opacity: 0.7; letter-spacing: 0.5px; }

.p-available { background: rgba(34,197,94,0.12);  color: var(--success); border: 1px solid rgba(34,197,94,0.25); }
.p-field     { background: rgba(59,130,246,0.12); color: var(--field);   border: 1px solid rgba(59,130,246,0.25); }
.p-office    { background: rgba(168,85,247,0.12); color: var(--office);  border: 1px solid rgba(168,85,247,0.25); }
.p-shop      { background: rgba(249,115,22,0.12); color: var(--shop);    border: 1px solid rgba(249,115,22,0.25); }
.p-dayoff    { background: rgba(107,114,128,0.12);color: var(--dayoff);  border: 1px solid rgba(107,114,128,0.25); }
.p-vacation  { background: rgba(245,158,11,0.12); color: var(--vacation);border: 1px solid rgba(245,158,11,0.25); }
.p-default   { background: var(--surface-2); color: var(--text-subtle); border: 1px solid var(--border); }

.day-comments {
  margin-top: 10px;
  border-top: 1px solid var(--border);
  padding-top: 10px;
}
.comment-item {
  font-size: 0.82rem;
  color: var(--text-subtle);
  padding: 4px 0;
  display: flex;
  gap: 6px;
}
.comment-item::before { content: "•"; color: var(--accent); flex-shrink: 0; }

/* ── Empty state ──────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-subtle);
}
.empty-state svg { opacity: 0.2; margin-bottom: 16px; }
.empty-state p { font-size: 0.95rem; }


/* Dim the empty shifts to reduce visual clutter */
.pill.p-available {
    opacity: 0.4;
}

/* Light up actual assigned shifts with a bright blue border and tint */
.pill.p-scheduled {
    background-color: rgba(59, 130, 246, 0.15); /* Light blue tint */
    border: 1px solid #3b82f6; /* Bright blue border */
    color: #ffffff; /* Bright white text */
    opacity: 1;
}