/* ==========================================================================
   Faculty Daily Time Record — Stylesheet v3
   MSU-IIT Maroon #751318 · Gold #B8860B · Slate warm-grays · Modern cards
   ========================================================================== */

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

:root {
  /* Brand — MSU-IIT Maroon */
  --brand:         #751318;
  --brand-hover:   #611011;
  --brand-light:   #fdf1f2;
  --brand-mid:     #8E1A21;

  /* Accent — MSU-IIT Gold */
  --accent:        #B8860B;
  --accent-hover:  #9A7009;
  --accent-light:  #fdf8e8;

  /* Danger */
  --danger:        #dc2626;
  --danger-hover:  #b91c1c;
  --danger-light:  #fef2f2;
  --warn:          #d97706;

  /* Grays (slate-based, warm) */
  --gray-50:   #f8fafc;
  --gray-100:  #f1f5f9;
  --gray-200:  #e2e8f0;
  --gray-300:  #cbd5e1;
  --gray-400:  #94a3b8;
  --gray-500:  #64748b;
  --gray-600:  #475569;
  --gray-700:  #334155;
  --gray-800:  #1e293b;
  --gray-900:  #0f172a;

  /* Tokens */
  --bg:        #f8fafc;
  --surface:   #ffffff;
  --border:    #e2e8f0;
  --text:      #1e293b;
  --text-muted:#64748b;

  /* Radius */
  --r-sm:  6px;
  --r:     10px;
  --r-lg:  14px;
  --r-xl:  20px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
  --shadow:    0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 8px -2px rgba(0,0,0,.1), 0 2px 4px -2px rgba(0,0,0,.05);
  --shadow-lg: 0 10px 24px -4px rgba(0,0,0,.1), 0 4px 8px -4px rgba(0,0,0,.04);
  --shadow-pop:0 20px 40px -8px rgba(0,0,0,.2), 0 8px 16px -4px rgba(0,0,0,.08);

  /* Type */
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

html { font-size: 16px; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.6;
}

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }


/* ── Nav ──────────────────────────────────────────────────────────────────── */
.navbar {
  background: var(--brand);
  border-top: 3px solid var(--accent);   /* gold accent stripe — MSU-IIT */
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  height: 56px;
  gap: 2rem;
  box-shadow: 0 2px 8px rgba(0,0,0,.28);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  color: #fff;
  font-weight: 700;
  font-size: .92rem;
  letter-spacing: -.01em;
  display: flex;
  align-items: center;
  gap: .45rem;
  text-decoration: none;
  white-space: nowrap;
}
.nav-brand:hover { text-decoration: none; color: rgba(255,255,255,.9); }
.nav-brand-icon {
  color: var(--accent);    /* gold icon in maroon navbar */
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.nav-links { display: flex; gap: .25rem; flex: 1; }

.nav-link {
  color: rgba(255,255,255,.72);
  padding: .4rem .75rem;
  border-radius: var(--r-sm);
  font-size: .855rem;
  font-weight: 500;
  transition: background .15s, color .15s;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: .35rem;
  border-bottom: 2px solid transparent;
}
.nav-link:hover { background: rgba(255,255,255,.1); color: #fff; text-decoration: none; }
.nav-link.active {
  background: rgba(255,255,255,.13);
  color: #fff;
  border-bottom-color: var(--accent);  /* gold underline on active step */
}

.nav-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  background: rgba(255,255,255,.18);
  border-radius: 50%;
  font-size: .7rem;
  font-weight: 700;
  flex-shrink: 0;
  line-height: 1;
}
.nav-link.active .nav-step-num {
  background: var(--accent);
  color: #fff;
}

.nav-reset {
  margin-left: auto;
  color: rgba(255,255,255,.55);
  font-size: .8rem;
  padding: .35rem .65rem;
  border-radius: var(--r-sm);
  transition: background .15s, color .15s;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: .3rem;
  white-space: nowrap;
}
.nav-reset:hover { background: rgba(255,255,255,.1); color: rgba(255,255,255,.9); text-decoration: none; }


/* ── Main content wrapper ─────────────────────────────────────────────────── */
main { flex: 1; padding: 2rem 1.5rem 3rem; }

.page-container { max-width: 1100px; margin: 0 auto; }

.page-header { margin-bottom: 1.75rem; }
.page-header h1 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: -.02em;
}
.page-desc {
  margin-top: .35rem;
  color: var(--text-muted);
  font-size: .9rem;
}
.link-edit { color: var(--accent); font-weight: 500; }
.link-edit:hover { color: var(--accent-hover); }


/* ── Cards ────────────────────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow);
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: .65rem;
  display: flex;
  align-items: center;
  gap: .45rem;
}

/* Gold left bar on card titles */
.card-title-icon {
  color: var(--brand);
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.card-desc {
  font-size: .85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  line-height: 1.55;
}

/* ── Step badge ───────────────────────────────────────────────────────────── */
.step-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: var(--accent-light);
  color: var(--accent);
  border: 1px solid rgba(184,134,11,.2);
  border-radius: 99px;
  padding: .25rem .85rem;
  font-size: .8rem;
  font-weight: 600;
  margin-bottom: .75rem;
  letter-spacing: .01em;
}


/* ── Form elements ────────────────────────────────────────────────────────── */
.form-row { display: flex; gap: 1rem; flex-wrap: wrap; }

.form-group {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  flex: 1;
  min-width: 180px;
}

.form-group-sm { min-width: 120px; max-width: 200px; }

.form-group label {
  font-size: .8rem;
  font-weight: 600;
  color: var(--gray-700);
  letter-spacing: .01em;
}

.form-input {
  border: 1.5px solid var(--gray-300);
  border-radius: var(--r-sm);
  padding: .5rem .75rem;
  font-size: .9rem;
  font-family: var(--font);
  color: var(--text);
  background: var(--surface);
  transition: border-color .15s, box-shadow .15s;
  width: 100%;
  outline: none;
}
.form-input:focus {
  border-color: var(--brand-mid);
  box-shadow: 0 0 0 3px rgba(117,19,24,.11);
}

.form-hint { font-size: .78rem; color: var(--text-muted); margin-top: .3rem; }
.center-hint { text-align: center; }

.form-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .75rem;
  margin-top: 1.5rem;
}

/* Standalone action card — no background, just centred spacing */
.card.card-action {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .75rem;
  background: transparent;
  border: none;
  box-shadow: none;
  padding: 1.75rem 1.5rem 1rem;
}
.action-btn-row {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}


/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .9rem;
  font-weight: 600;
  padding: .55rem 1.25rem;
  border-radius: var(--r-sm);
  border: none;
  cursor: pointer;
  transition: background .15s, transform .1s, box-shadow .15s;
  font-family: var(--font);
  text-decoration: none;
  white-space: nowrap;
}
.btn:active { transform: scale(.98); }
.btn:hover  { text-decoration: none; }

.btn-primary {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 1px 4px rgba(117,19,24,.3);
}
.btn-primary:hover { background: var(--brand-hover); color: #fff; box-shadow: 0 3px 8px rgba(117,19,24,.35); }

.btn-accent {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 1px 3px rgba(184,134,11,.3);
}
.btn-accent:hover { background: var(--accent-hover); }

.btn-secondary {
  background: var(--surface);
  color: var(--gray-700);
  border: 1.5px solid var(--gray-300);
  box-shadow: var(--shadow-sm);
}
.btn-secondary:hover { background: var(--gray-50); border-color: var(--gray-400); color: var(--gray-800); }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: var(--danger-hover); }

.btn-lg { font-size: 1rem; padding: .7rem 1.75rem; }
.btn-generate { min-width: 200px; justify-content: center; }


/* ── Dynamic rows ─────────────────────────────────────────────────────────── */
.dynamic-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .5rem;
  padding: .6rem .75rem;
  background: var(--gray-50);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  margin-bottom: .5rem;
}

.inline-label {
  font-size: .78rem;
  font-weight: 600;
  color: var(--gray-500);
  white-space: nowrap;
}

.input-date   { width: 145px; }
.input-time   { width: 116px; }
.input-label  { flex: 1; min-width: 140px; }
.input-select { min-width: 160px; flex: 1; }
.input-ta     { width: 130px; }

.slot-sep { color: var(--gray-400); font-weight: 500; padding: 0 .1rem; }

.btn-add-row {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  font-size: .8rem;
  font-weight: 600;
  color: var(--brand);
  background: var(--brand-light);
  border: 1.5px dashed rgba(117,19,24,.3);
  border-radius: var(--r-sm);
  padding: .4rem .85rem;
  cursor: pointer;
  transition: background .15s, border-color .15s;
  margin-top: .25rem;
}
.btn-add-row:hover { background: #fddde0; border-color: var(--brand-mid); }

.btn-remove-row {
  background: none;
  border: none;
  color: var(--gray-400);
  cursor: pointer;
  padding: .2rem .35rem;
  border-radius: 4px;
  transition: color .15s, background .15s;
  margin-left: auto;
  flex-shrink: 0;
  display: flex;
  align-items: center;
}
.btn-remove-row:hover { color: var(--danger); background: var(--danger-light); }


/* ── Preset bar (schedule name + load/save/delete) ───────────────────────── */
.preset-bar {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-wrap: wrap;
  background: var(--gray-50);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: .5rem .75rem;
  margin-bottom: .85rem;
}

.preset-bar label {
  font-size: .78rem;
  font-weight: 600;
  color: var(--gray-600);
  white-space: nowrap;
}
.preset-bar-sep {
  width: 1px;
  height: 1.2rem;
  background: var(--border);
  margin: 0 .15rem;
  flex-shrink: 0;
}

.preset-select {
  flex: 1;
  min-width: 160px;
  max-width: 280px;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--r-sm);
  padding: .35rem .6rem;
  font-size: .82rem;
  font-family: var(--font);
  color: var(--text);
  background: var(--surface);
  outline: none;
}
.preset-select:focus { border-color: var(--brand-mid); }

/* Small utility button used in preset bar */
.btn-sm {
  font-size: .78rem;
  font-weight: 600;
  padding: .35rem .75rem;
  border-radius: var(--r-sm);
  border: 1.5px solid var(--gray-300);
  background: var(--surface);
  color: var(--gray-700);
  cursor: pointer;
  transition: background .15s, border-color .15s;
  font-family: var(--font);
  white-space: nowrap;
}
.btn-sm:hover { background: var(--gray-100); border-color: var(--gray-400); color: var(--gray-800); }
.btn-sm.btn-sm-danger { color: var(--danger); border-color: rgba(220,38,38,.25); }
.btn-sm.btn-sm-danger:hover { background: var(--danger-light); border-color: var(--danger); }

/* ── Time-toggle button (Related Activities rows) ─────────────────────────── */
.btn-add-time {
  display: inline-flex;
  align-items: center;
  gap: .25rem;
  font-size: .75rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-light);
  border: 1.5px solid rgba(184,134,11,.3);
  border-radius: var(--r-sm);
  padding: .3rem .65rem;
  cursor: pointer;
  transition: background .15s, border-color .15s;
  white-space: nowrap;
  font-family: var(--font);
}
.btn-add-time:hover { background: #fef3c7; border-color: var(--accent); }

/* Hidden time-slot wrapper inside related rows */
.time-slots {
  display: none;
  align-items: center;
  gap: .35rem;
  flex-wrap: nowrap;
}

/* Separator inside the card: visually divides related-activity rows from holidays */
.card-inner-sep {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.1rem 0 .9rem;
}

/* ── Loading overlay ──────────────────────────────────────────────────────── */
.loading-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,.55);
  backdrop-filter: blur(4px);
  z-index: 9999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
}
.loading-overlay.active { display: flex; }

.spinner {
  width: 44px;
  height: 44px;
  border: 4px solid rgba(255,255,255,.2);
  border-top-color: var(--accent);  /* gold spinner */
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-text { color: #fff; font-weight: 600; font-size: 1rem; }


/* ── Portal info callout ──────────────────────────────────────────────────── */
.callout {
  background: var(--accent-light);
  border: 1px solid rgba(184,134,11,.25);
  border-left: 3px solid var(--accent);
  border-radius: var(--r-sm);
  padding: .7rem .95rem;
  margin-bottom: .9rem;
  font-size: .83rem;
  color: var(--gray-700);
  line-height: 1.55;
}
.callout strong { color: var(--gray-800); }
.callout a { color: var(--accent); font-weight: 600; }
.callout a:hover { color: var(--accent-hover); }


/* ==========================================================================
   CALENDAR WIDGET
   ========================================================================== */

.cal-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow);
}

.cal-hint {
  font-size: .8rem;
  color: var(--text-muted);
  margin-bottom: .85rem;
  line-height: 1.55;
}

/* Outer wrapper */
.cal-outer {
  border: 1px solid var(--gray-200);
  border-radius: var(--r);
  overflow: hidden;
  background: var(--surface);
  user-select: none;
}

/* Toolbar: sits above the header row */
.cal-toolbar {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  padding: .4rem .6rem;
  background: var(--brand);
  border-bottom: 1px solid rgba(255,255,255,.1);
}

/* Day-name header row */
.cal-header-row {
  display: flex;
  background: var(--brand);
  color: #fff;
}
.cal-header-spacer { width: 54px; flex-shrink: 0; }
.cal-day-header {
  flex: 1;
  text-align: center;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .06em;
  padding: .55rem 0;
  border-left: 1px solid rgba(255,255,255,.1);
}

/* Calendar body */
.cal-scroll-body { display: flex; }

/* Time axis */
.cal-time-axis {
  width: 54px;
  flex-shrink: 0;
  position: relative;
  background: var(--gray-50);
  border-right: 1px solid var(--gray-200);
  pointer-events: none;
}
.cal-time-label {
  position: absolute;
  right: 8px;
  font-size: .67rem;
  color: var(--gray-400);
  transform: translateY(-50%);
  white-space: nowrap;
  pointer-events: none;
}

/* Day columns wrapper */
.cal-cols-wrapper { display: flex; flex: 1; min-width: 0; }

/* Individual day column */
.cal-col { flex: 1; min-width: 0; border-left: 1px solid var(--gray-200); }
.cal-col-weekend { background: rgba(148,163,184,.06); }

/* Hide-weekends toggle */
.cal-hide-weekends .cal-col-weekend       { display: none; }
.cal-hide-weekends .cal-day-header-weekend { display: none; }

/* Column body */
.cal-col-body { position: relative; }

/* Grid lines */
.cal-hour-line {
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  background: var(--gray-200);
  pointer-events: none;
}
.cal-half-line {
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  background: var(--gray-100);
  pointer-events: none;
}

/* Drag phantom */
.cal-phantom {
  position: absolute;
  left: 2px; right: 2px;
  background: rgba(117,19,24,.12);
  border: 2px dashed var(--brand-mid);
  border-radius: 4px;
  pointer-events: none;
  z-index: 10;
}

/* Blocks — left/right set dynamically by JS (overlap layout uses calc()) */
.cal-block {
  position: absolute;
  border-radius: 5px;
  border-left-width: 3px;
  border-left-style: solid;
  overflow: hidden;
  cursor: grab;
  transition: filter .1s, box-shadow .1s;
}
.cal-block:hover {
  filter: brightness(.95);
  box-shadow: 0 2px 8px rgba(0,0,0,.14);
  z-index: 5;
}
.cal-block.cal-block-dragging {
  opacity: .72;
  cursor: grabbing;
  z-index: 50;
  box-shadow: 0 6px 20px rgba(0,0,0,.22);
  transition: none;
}

.cal-block-content {
  padding: 3px 5px;
  display: flex;
  flex-direction: column;
  gap: 1px;
  height: 100%;
  overflow: hidden;
}
.cal-block-cat {
  font-size: .67rem;
  font-weight: 700;
  line-height: 1.2;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.cal-block-time { font-size: .62rem; opacity: .8; white-space: nowrap; }

/* Resize handle */
.cal-block-resize {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 8px;
  cursor: ns-resize;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cal-block-resize::after {
  content: '';
  width: 22px;
  height: 2px;
  background: currentColor;
  opacity: .3;
  border-radius: 2px;
}

/* Calendar legend */
.cal-legend { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .85rem; }
.cal-legend-item {
  display: flex;
  align-items: center;
  gap: .3rem;
  font-size: .75rem;
  color: var(--gray-600);
}
.cal-legend-dot { width: 10px; height: 10px; border-radius: 3px; flex-shrink: 0; }

/* Weekend header: slightly dimmer */
.cal-day-header-weekend { opacity: .72; }

/* Weekend toggle button */
.cal-weekend-toggle {
  display: flex;
  align-items: center;
  gap: .3rem;
  font-size: .7rem;
  font-family: var(--font);
  font-weight: 600;
  color: rgba(255,255,255,.9);
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 20px;
  padding: .22rem .65rem;
  cursor: pointer;
  transition: background .15s;
  white-space: nowrap;
}
.cal-weekend-toggle:hover { background: rgba(255,255,255,.2); }

/* Popover */
.cal-popover {
  position: fixed;
  background: var(--surface);
  border: 1px solid var(--gray-200);
  border-radius: var(--r);
  box-shadow: var(--shadow-pop);
  width: 230px;
  z-index: 2000;
  font-family: var(--font);
}

.pop-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .65rem .85rem;
  border-bottom: 1px solid var(--gray-100);
  background: var(--gray-50);
  border-radius: var(--r) var(--r) 0 0;
}
.pop-times {
  display: flex;
  align-items: center;
  gap: .3rem;
  flex: 1;
}
.pop-time-input {
  flex: 1;
  font-size: .78rem;
  font-weight: 600;
  color: var(--gray-800);
  border: 1.5px solid var(--gray-300);
  border-radius: var(--r-sm);
  padding: .2rem .35rem;
  background: var(--surface);
  font-family: var(--font);
  min-width: 0;
  cursor: text;
}
.pop-time-input:focus {
  outline: none;
  border-color: var(--brand-mid);
  box-shadow: 0 0 0 2px rgba(117,19,24,.1);
}
.pop-time-sep {
  font-size: .8rem;
  color: var(--gray-400);
  flex-shrink: 0;
}
.pop-err {
  margin-top: .45rem;
  font-size: .72rem;
  color: var(--danger);
  font-weight: 500;
}
.pop-close {
  background: none; border: none; color: var(--gray-400);
  cursor: pointer; font-size: .85rem; padding: .1rem .3rem; border-radius: 4px;
  display: flex; align-items: center;
}
.pop-close:hover { background: var(--gray-200); color: var(--gray-700); }

.pop-body { padding: .75rem .85rem; }
.pop-label {
  display: block; font-size: .72rem; font-weight: 600; color: var(--gray-500);
  margin-bottom: .3rem; letter-spacing: .02em; text-transform: uppercase;
}

.pop-select, .pop-input {
  width: 100%;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--r-sm);
  padding: .4rem .6rem;
  font-size: .85rem;
  font-family: var(--font);
  color: var(--text);
  background: var(--surface);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.pop-select:focus, .pop-input:focus {
  border-color: var(--brand-mid);
  box-shadow: 0 0 0 3px rgba(117,19,24,.1);
}

.pop-footer {
  display: flex; gap: .5rem;
  padding: .65rem .85rem;
  border-top: 1px solid var(--gray-100);
  background: var(--gray-50);
  border-radius: 0 0 var(--r) var(--r);
}
.btn-pop-primary {
  flex: 1; background: var(--brand); color: #fff;
  border: none; border-radius: var(--r-sm); padding: .4rem;
  font-size: .82rem; font-weight: 600; cursor: pointer;
  transition: background .15s; font-family: var(--font);
}
.btn-pop-primary:hover { background: var(--brand-hover); }
.btn-pop-danger {
  flex: 1; background: var(--danger-light); color: var(--danger);
  border: 1px solid rgba(220,38,38,.2); border-radius: var(--r-sm); padding: .4rem;
  font-size: .82rem; font-weight: 600; cursor: pointer;
  transition: background .15s; font-family: var(--font);
}
.btn-pop-danger:hover { background: #fee2e2; }


/* ==========================================================================
   PREVIEW PAGE
   ========================================================================== */

.preview-page { max-width: 1200px; margin: 0 auto; }

.preview-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}
.preview-actions-bottom { margin-top: 1.25rem; margin-bottom: 0; }

.preview-title-block { text-align: center; }
.preview-title { font-size: 1.3rem; font-weight: 700; color: var(--gray-900); letter-spacing: -.01em; }
.preview-sub { font-size: .82rem; color: var(--text-muted); display: block; }

/* Legend */
.preview-legend { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1rem; }
.legend-item {
  font-size: .75rem; font-weight: 500;
  padding: .25rem .65rem; border-radius: 99px; border: 1px solid transparent;
}
.legend-regular  { background:#fff;    border-color:var(--gray-200); color:var(--gray-700); }
.legend-related  { background:#fff8ee; border-color:#fcd34d;         color:#92400e; }
.legend-weekend  { background:#f0f0f0; border-color:var(--gray-300); color:var(--gray-600); }
.legend-holiday  { background:#fffde7; border-color:#fde68a;         color:#78350f; }
.legend-leave    { background:#e8f4fd; border-color:#93c5fd;         color:#1e40af; }
.legend-travel   { background:#eef0fb; border-color:#a5b4fc;         color:#4338ca; }

/* FDTR table scroll container */
.fdtr-scroll {
  overflow-x: auto;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--r);
  box-shadow: var(--shadow-md);
  padding: 2rem;
  background: var(--surface);
}

/* FDTR table */
.fdtr-table {
  border-collapse: collapse;
  font-family: 'Times New Roman', Times, serif;
  min-width: 680px;
  width: 100%;
}

.inst-line  { text-align:center; padding:2px 4px; font-size:.85rem; }
.inst-bold  { font-weight:700; }
.inst-large { font-size:1rem; }
.inst-title { text-align:center; font-size:1.1rem; font-weight:700; padding:3px 4px; }
.inst-month { text-align:center; font-size:.85rem; padding:2px 4px; }
.inst-blank { height:6px; }

.fdtr-bordered td { border:1px solid #000; padding:3px 6px; font-size:.82rem; font-weight:700; }
.name-dept-cell { text-align:left; }

.fdtr-colheader th {
  border:1px solid #000; text-align:center;
  font-size:.75rem; font-weight:700; padding:3px 4px; background:#f9fafb;
}
.th-day   { width:40px; }
.th-total { width:50px; }
.th-sub   { font-size:.68rem; font-weight:400; }
.th-sub-col { font-size:.72rem; font-weight:600; padding:2px 3px; }
.th-cat-related { background:#fffde7; }

.day-row td { border:1px solid #000; padding:3px 5px; font-size:.78rem; line-height:1.3; }
.day-subrow td { border-top:1px dashed #ccc; }

.td-day   { text-align:center; font-weight:700; vertical-align:middle; }
.td-time  { text-align:center; white-space:nowrap; }
.td-hrs   { text-align:center; }
.td-total { text-align:center; font-weight:700; vertical-align:middle; }
.td-special-label { text-align:center; font-weight:700; font-style:italic; }

.day-regular { background:#fff; }
.day-related { background:#fff8ee; }
.day-weekend { background:#f4f4f4; }
.day-holiday { background:#fffde7; }
.day-leave   { background:#e8f4fd; }
.day-travel  { background:#eef0fb; }

.footer-cert    { padding:6px 8px; font-size:.78rem; border:none !important; line-height:1.5; }
.footer-sig-cell{ padding:16px 8px 4px; border:none !important; text-align:center; vertical-align:bottom; }
.footer-spacer  { border:none !important; }
.footer-name    { font-weight:700; font-size:.85rem; text-decoration:underline; }
.footer-label   { font-size:.72rem; }
.footer-desig   { font-size:.78rem; }


/* ==========================================================================
   FOOTER DISCLAIMER
   ========================================================================== */

.site-footer {
  background: var(--gray-800);
  color: var(--gray-400);
  text-align: center;
  padding: .85rem 1.5rem;
  font-size: .78rem;
  line-height: 1.5;
}
.site-footer .disclaimer-icon {
  color: var(--warn);
  display: inline-flex;
  align-items: center;
  vertical-align: middle;
  margin-right: .2rem;
}
.site-footer a { color: var(--gray-300); text-decoration: underline; }
.site-footer a:hover { color: #fff; }


/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 600px) {
  main { padding: 1rem 1rem 2rem; }
  .form-row { flex-direction: column; }
  .form-group-sm { max-width: 100%; }
  .dynamic-row { flex-direction: column; align-items: stretch; }
  .input-date, .input-time, .input-ta { width: 100%; }
  .preview-actions { flex-direction: column; align-items: stretch; }
  .preview-actions .btn { justify-content: center; }
  .preview-title-block { order: -1; }
  .nav-brand { font-size: .8rem; }
}