/* ═══════════════════════════════════════════════════════════════
   PGIOR PACS — Design System
   Color palette & typography matching pgior.com
   ═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300;1,400&family=DM+Sans:wght@300;400;500&display=swap');

:root {
  --navy:         #060F1E;
  --navy2:        #0A1F3D;
  --navy3:        #0D2445;
  --teal:         #00C2CB;
  --teal2:        #00A8B5;
  --teal-light:   #7EEEF2;
  --teal-dim:     rgba(0,194,203,0.12);
  --teal-border:  rgba(0,194,203,0.25);
  --white:        #FFFFFF;
  --off-white:    #F4F8FB;
  --gray:         #8CA0B8;
  --light-border: #E2EBF3;
  --text-muted:   rgba(255,255,255,0.4);
  --text-dim:     rgba(255,255,255,0.65);

  /* Viewer-specific */
  --vp-bg:        #030912;
  --panel-bg:     #060F1E;
  --panel-border: rgba(0,194,203,0.15);
  --toolbar-bg:   #040C18;
  --row-hover:    rgba(0,194,203,0.06);
  --row-active:   rgba(0,194,203,0.1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  font-family: 'DM Sans', sans-serif;
  background: var(--navy);
  color: var(--white);
  height: 100%;
  width: 100%;
  overflow: hidden;
  margin: 0;
  padding: 0;
}

/* ── SCROLLBARS ── */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(0,194,203,0.25); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: var(--teal2); }

/* ── TOPBAR ── */
#topbar {
  position: fixed; top: 0; left: 0; right: 0;
  height: 56px; z-index: 200;
  background: rgba(6,15,30,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--panel-border);
  display: flex; align-items: center;
  padding: 0 20px; gap: 16px;
}

.tb-brand {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; flex-shrink: 0;
}
.tb-badge {
  width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid var(--teal-border);
  background: var(--teal-dim);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Cormorant Garamond', serif;
  font-size: 14px; font-weight: 600; color: var(--teal);
  letter-spacing: 0.5px;
}
.tb-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 18px; font-weight: 600; color: var(--white); letter-spacing: 1px;
}
.tb-name em { color: var(--teal); font-style: italic; font-weight: 300; }
.tb-sub {
  font-size: 9px; color: var(--text-muted);
  letter-spacing: 2.5px; text-transform: uppercase;
  margin-top: 1px;
}

.tb-divider { width: 1px; height: 24px; background: var(--panel-border); flex-shrink: 0; }

.tb-nav { display: flex; align-items: center; gap: 2px; }
.tb-btn {
  padding: 6px 14px; font-family: 'DM Sans', sans-serif;
  font-size: 11px; font-weight: 400; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--text-muted);
  border: 1px solid transparent; border-radius: 2px;
  cursor: pointer; background: transparent;
  transition: all 0.2s; text-decoration: none; white-space: nowrap;
  display: flex; align-items: center; gap: 6px;
}
.tb-btn:hover { color: var(--teal); border-color: var(--teal-border); background: var(--teal-dim); }
.tb-btn.active { color: var(--teal); border-color: var(--teal-border); background: var(--teal-dim); }
.tb-btn svg { width: 12px; height: 12px; }

.tb-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }

.tb-user {
  display: flex; align-items: center; gap: 8px;
  font-size: 12px; color: var(--text-dim);
}
.tb-user-dot {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--teal-dim); border: 1px solid var(--teal-border);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; color: var(--teal); font-weight: 600;
}
.tb-status {
  display: flex; align-items: center; gap: 5px;
  font-size: 10px; color: var(--text-muted); letter-spacing: 1px;
  text-transform: uppercase;
}
.tb-status-dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--teal);
  animation: pulse 2s ease infinite;
}
@keyframes pulse { 0%,100%{opacity:1;} 50%{opacity:0.3;} }

/* ── LAYOUT ── */
#app { display: flex; flex-direction: row; height: calc(100vh - 56px); margin-top: 64px; overflow: hidden; width: 100%; position: fixed; top: 0; left: 0; right: 0; bottom: 0; padding-top: 64px; box-sizing: border-box; }

/* ── SIDEBAR ── */
#sidebar {
  width: 300px; min-width: 300px;
  background: var(--panel-bg);
  border-right: 1px solid var(--panel-border);
  display: flex; flex-direction: column;
  overflow: hidden; transition: width 0.25s ease;
  position: relative;
}
#sidebar.collapsed { width: 0; min-width: 0; overflow: hidden; }

.sidebar-header {
  padding: 16px 18px 12px;
  border-bottom: 1px solid var(--panel-border);
  flex-shrink: 0;
}
.sidebar-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 13px; font-weight: 600; color: var(--teal);
  letter-spacing: 2px; text-transform: uppercase;
  margin-bottom: 12px;
}

/* Search */
.search-wrap { position: relative; margin-bottom: 8px; }
.search-wrap input {
  width: 100%; padding: 8px 12px 8px 34px;
  background: rgba(0,194,203,0.05);
  border: 1px solid var(--panel-border);
  border-radius: 2px; color: var(--white);
  font-family: 'DM Sans', sans-serif; font-size: 12px;
  outline: none; transition: border-color 0.2s;
}
.search-wrap input::placeholder { color: var(--text-muted); }
.search-wrap input:focus { border-color: var(--teal); background: rgba(0,194,203,0.08); }
.search-wrap svg {
  position: absolute; left: 10px; top: 50%; transform: translateY(-50%);
  width: 13px; height: 13px; color: var(--text-muted); pointer-events: none;
}

.search-filters { display: flex; gap: 4px; flex-wrap: wrap; }
.filter-chip {
  padding: 3px 10px; font-size: 10px; letter-spacing: 1px;
  text-transform: uppercase; color: var(--text-muted);
  border: 1px solid rgba(255,255,255,0.08); border-radius: 20px;
  cursor: pointer; background: transparent; transition: all 0.15s;
}
.filter-chip:hover, .filter-chip.on {
  color: var(--teal); border-color: var(--teal-border); background: var(--teal-dim);
}

/* Study list */
#study-list {
  flex: 1; overflow-y: auto; padding: 6px 0;
}

.study-item {
  padding: 12px 18px; cursor: pointer;
  border-left: 2px solid transparent;
  transition: all 0.15s; border-bottom: 1px solid rgba(255,255,255,0.03);
}
.study-item:hover { background: var(--row-hover); border-left-color: var(--teal2); }
.study-item.active { background: var(--row-active); border-left-color: var(--teal); }

.si-modality {
  display: inline-block; padding: 2px 7px;
  font-size: 9px; font-weight: 500; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--teal);
  border: 1px solid var(--teal-border); border-radius: 2px;
  margin-bottom: 6px;
}
.si-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 15px; font-weight: 600; color: var(--white);
  margin-bottom: 3px; line-height: 1.3;
}
.si-desc {
  font-size: 11px; color: var(--text-muted);
  letter-spacing: 0.3px; margin-bottom: 4px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.si-meta {
  display: flex; gap: 10px; align-items: center;
  font-size: 10px; color: rgba(255,255,255,0.25); letter-spacing: 0.5px;
}
.si-meta span { display: flex; align-items: center; gap: 3px; }

.study-empty {
  padding: 40px 18px; text-align: center;
  color: var(--text-muted); font-size: 12px; letter-spacing: 0.5px;
}

.sidebar-footer {
  padding: 10px 18px; border-top: 1px solid var(--panel-border);
  flex-shrink: 0; display: flex; align-items: center; justify-content: space-between;
}
.sidebar-count { font-size: 10px; color: var(--text-muted); letter-spacing: 1px; text-transform: uppercase; }

/* ── MAIN VIEWER AREA ── */
#viewer-area {
  flex: 1; display: flex; flex-direction: column;
  overflow: hidden; background: var(--vp-bg);
  position: relative; min-width: 0;
}

/* Series strip */
#series-strip {
  height: 80px; min-height: 80px;
  background: rgba(4,12,24,0.95);
  border-bottom: 1px solid var(--panel-border);
  display: flex; align-items: center;
  padding: 0 12px; gap: 8px;
  overflow-x: auto; flex-shrink: 0;
  transition: height 0.2s;
}
#series-strip.hidden { height: 0; min-height: 0; overflow: hidden; }
#series-strip::-webkit-scrollbar { height: 3px; }

.series-thumb {
  flex-shrink: 0; width: 90px;
  cursor: pointer; border: 1px solid rgba(255,255,255,0.06);
  border-radius: 3px; overflow: hidden;
  transition: all 0.2s; position: relative;
}
.series-thumb:hover { border-color: var(--teal2); transform: translateY(-2px); }
.series-thumb.active-L { border-color: var(--teal); box-shadow: 0 0 0 1px var(--teal); }
.series-thumb.active-R { border-color: #00CED1; box-shadow: 0 0 0 1px #00CED1; }

.series-thumb-img {
  width: 90px; height: 68px;
  background: #0a0a0a; display: flex; align-items: center; justify-content: center;
  font-size: 10px; color: #333;
  overflow: hidden;
}
.series-thumb-img img { width: 100%; height: 100%; object-fit: cover; }

.series-thumb-info { padding: 3px 5px; }
.series-thumb-name {
  font-size: 9px; color: rgba(255,255,255,0.6);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.series-thumb-count { font-size: 9px; color: var(--text-muted); }

.series-label {
  position: absolute; top: 3px; left: 3px;
  font-size: 8px; letter-spacing: 1px; font-weight: 600;
  padding: 1px 5px; border-radius: 2px;
}
.series-label-L { background: var(--teal); color: var(--navy); }
.series-label-R { background: #00CED1; color: var(--navy); }

/* Viewport container */
#vp-container {
  flex: 1; display: grid; grid-template-columns: 1fr; grid-template-rows: 1fr;
  overflow: hidden; min-height: 0;
}

.vp-pane {
  position: relative; background: #000;
  display: flex; flex-direction: column; overflow: hidden;
  min-width: 0; min-height: 0;
}

.vp-header {
  height: 28px; flex-shrink: 0;
  background: rgba(6,15,30,0.9);
  border-bottom: 1px solid var(--panel-border);
  display: flex; align-items: center; padding: 0 10px; gap: 8px;
}
.vp-label {
  font-size: 10px; font-weight: 500; letter-spacing: 2px;
  text-transform: uppercase;
}
.vp-L .vp-label { color: var(--teal); }
.vp-R .vp-label { color: #00CED1; }
.vp-series-name { font-size: 10px; color: var(--text-muted); }
.vp-tools-inline { margin-left: auto; display: flex; gap: 4px; }
.vp-ti {
  width: 22px; height: 22px; border-radius: 2px;
  border: 1px solid transparent; background: transparent;
  color: var(--text-muted); cursor: pointer; font-size: 11px;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.15s;
}
.vp-ti:hover { color: var(--teal); border-color: var(--teal-border); background: var(--teal-dim); }

.vp-canvas-wrap { flex: 1; position: relative; overflow: hidden; cursor: crosshair; }
canvas.vp-cv { display: block; position: absolute; top: 0; left: 0; }

/* Overlays */
.vp-ov {
  position: absolute; font-family: 'DM Sans', sans-serif;
  font-size: 11px; padding: 8px; pointer-events: none;
  line-height: 1.7; text-shadow: 0 1px 3px rgba(0,0,0,0.9);
}
.vp-L .vp-ov { color: var(--teal-light); }
.vp-R .vp-ov { color: #7EEEF2; }
.ov-tl { top: 0; left: 0; }
.ov-tr { top: 0; right: 0; text-align: right; }
.ov-bl { bottom: 36px; left: 0; }
.ov-br { bottom: 36px; right: 0; text-align: right; }

/* Filmstrip / scrubber */
.vp-scrubber {
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 34px; background: rgba(6,15,30,0.92);
  border-top: 1px solid var(--panel-border);
  display: flex; align-items: center; gap: 8px; padding: 0 10px;
}
.vp-play {
  width: 22px; height: 22px; border-radius: 2px;
  border: 1px solid var(--panel-border); background: transparent;
  color: var(--text-muted); cursor: pointer; font-size: 10px;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.15s; flex-shrink: 0;
}
.vp-play:hover { color: var(--teal); border-color: var(--teal-border); }
.vp-L .vp-play.playing { color: var(--teal); border-color: var(--teal); }
.vp-R .vp-play.playing { color: #00CED1; border-color: #00CED1; }
.vp-slider {
  flex: 1; -webkit-appearance: none; height: 3px;
  background: rgba(255,255,255,0.08); border-radius: 2px; outline: none; cursor: pointer;
}
.vp-L .vp-slider::-webkit-slider-thumb { -webkit-appearance: none; width: 12px; height: 12px; border-radius: 50%; background: var(--teal); cursor: pointer; }
.vp-R .vp-slider::-webkit-slider-thumb { -webkit-appearance: none; width: 12px; height: 12px; border-radius: 50%; background: #00CED1; cursor: pointer; }
.vp-frame-lbl { font-size: 10px; color: var(--text-muted); min-width: 52px; text-align: right; white-space: nowrap; }

/* Loading state */
.vp-loading {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  text-align: center; pointer-events: none;
}
.vp-loading-ring {
  width: 32px; height: 32px; border-radius: 50%;
  border: 2px solid rgba(0,194,203,0.15);
  border-top-color: var(--teal);
  animation: spin 0.8s linear infinite;
  margin: 0 auto 10px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.vp-loading-txt { font-size: 10px; letter-spacing: 2px; text-transform: uppercase; color: var(--text-muted); }

.vp-empty {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  text-align: center; pointer-events: none;
}
.vp-empty-icon {
  width: 48px; height: 48px; border-radius: 50%;
  border: 1px solid var(--teal-border); background: var(--teal-dim);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; margin: 0 auto 12px;
}
.vp-empty-txt { font-size: 10px; letter-spacing: 2px; text-transform: uppercase; color: var(--text-muted); }
.vp-empty-sub { font-size: 10px; color: rgba(255,255,255,0.15); margin-top: 4px; }

/* ── TOOLBAR ── */
#toolbar {
  width: 68px; min-width: 68px;
  background: var(--toolbar-bg);
  border-right: 1px solid var(--panel-border);
  display: flex; flex-direction: column;
  align-items: center; padding: 8px 0; gap: 2px;
  overflow-y: auto; flex-shrink: 0;
}
.tool-btn {
  width: 54px; height: 54px; border-radius: 4px;
  border: 1px solid transparent; background: transparent;
  color: rgba(255,255,255,0.3); cursor: pointer;
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; gap: 4px; font-size: 22px;
  transition: all 0.15s; flex-shrink: 0;
}
.tool-btn:hover { color: var(--teal); border-color: var(--teal-border); background: var(--teal-dim); }
.tool-btn.on { color: var(--teal); border-color: var(--teal); background: rgba(0,194,203,0.12); }
.tool-lbl { font-size: 9px; letter-spacing: 0.5px; text-transform: uppercase; color: inherit; line-height: 1; }
.tool-sep { width: 28px; height: 1px; background: var(--panel-border); margin: 4px 0; flex-shrink: 0; }

/* ── RIGHT PANEL ── */
#right-panel {
  position: fixed;
  top: 64px;
  right: 0;
  bottom: 0;
  width: 280px;
  background: var(--panel-bg);
  border-left: 1px solid var(--panel-border);
  display: flex; flex-direction: column;
  overflow: hidden;
  z-index: 100;
}

.rp-tabs {
  display: flex; border-bottom: 1px solid var(--panel-border); flex-shrink: 0;
}
.rp-tab {
  flex: 1; padding: 10px 4px;
  font-size: 9px; font-weight: 500; letter-spacing: 1.5px;
  text-transform: uppercase; cursor: pointer; text-align: center;
  color: var(--text-muted); border-bottom: 2px solid transparent;
  background: transparent; transition: all 0.15s;
}
.rp-tab:hover { color: var(--teal); }
.rp-tab.on { color: var(--teal); border-bottom-color: var(--teal); background: rgba(6,15,30,0.5); }

.rp-panel { flex: 1; overflow-y: auto; display: none; }
.rp-panel.on { display: block; }

.rp-section { padding: 14px 14px; border-bottom: 1px solid rgba(255,255,255,0.04); }
.rp-section-title {
  font-size: 9px; font-weight: 500; letter-spacing: 2px;
  text-transform: uppercase; color: var(--teal);
  margin-bottom: 10px; padding-bottom: 6px;
  border-bottom: 1px solid rgba(0,194,203,0.1);
  display: flex; align-items: center; gap: 6px;
}
.rp-section-title::before { content: ''; width: 3px; height: 10px; background: var(--teal); border-radius: 2px; }

.rp-row { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 6px; }
.rp-key { font-size: 10px; color: var(--text-muted); flex-shrink: 0; }
.rp-val { font-size: 11px; color: rgba(255,255,255,0.75); font-weight: 400; text-align: right; word-break: break-all; max-width: 140px; }
.rp-val.highlight { color: var(--teal-light); font-family: 'Cormorant Garamond', serif; font-size: 13px; }

/* W/L sliders */
.wl-row { display: flex; align-items: center; gap: 6px; margin-bottom: 8px; }
.wl-lbl { font-size: 10px; color: var(--text-muted); width: 10px; font-weight: 600; flex-shrink: 0; }
.wl-sl {
  flex: 1; -webkit-appearance: none; height: 4px;
  background: rgba(0,194,203,0.15); border-radius: 2px; outline: none; cursor: pointer;
}
.wl-sl::-webkit-slider-thumb { -webkit-appearance: none; width: 13px; height: 13px; border-radius: 50%; background: var(--teal); cursor: pointer; }
.wl-val { font-size: 10px; color: var(--text-muted); min-width: 36px; text-align: right; }

/* Presets */
.preset-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }
.preset-btn {
  padding: 6px 4px; background: rgba(0,194,203,0.05);
  border: 1px solid var(--panel-border); border-radius: 2px;
  font-size: 10px; color: rgba(255,255,255,0.5); cursor: pointer;
  text-align: center; transition: all 0.15s; letter-spacing: 0.3px;
}
.preset-btn:hover { color: var(--teal); border-color: var(--teal-border); background: var(--teal-dim); }

/* Toggle */
.toggle-row { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.toggle-sw {
  width: 32px; height: 16px; background: rgba(255,255,255,0.1);
  border-radius: 8px; cursor: pointer; position: relative; transition: background 0.2s; flex-shrink: 0;
}
.toggle-sw.on { background: var(--teal2); }
.toggle-knob {
  width: 12px; height: 12px; background: var(--white); border-radius: 50%;
  position: absolute; top: 2px; left: 2px; transition: left 0.2s;
}
.toggle-sw.on .toggle-knob { left: 18px; }
.toggle-lbl { font-size: 10px; color: var(--text-muted); }

/* Cine */
.cine-controls { display: flex; align-items: center; gap: 6px; margin-bottom: 10px; }
.cine-btn {
  width: 28px; height: 28px; border-radius: 2px;
  border: 1px solid var(--panel-border); background: transparent;
  color: var(--text-muted); cursor: pointer; font-size: 12px;
  display: flex; align-items: center; justify-content: center; transition: all 0.15s;
}
.cine-btn:hover { color: var(--teal); border-color: var(--teal-border); }
.cine-fps-inp {
  width: 44px; background: rgba(0,0,0,0.3); border: 1px solid var(--panel-border);
  border-radius: 2px; color: var(--teal); font-size: 13px; font-weight: 600;
  text-align: center; padding: 3px 4px; outline: none;
}
.cine-fps-lbl { font-size: 10px; color: var(--text-muted); }

/* Report */
.rp-inp {
  width: 100%; padding: 7px 10px;
  background: rgba(0,0,0,0.3); border: 1px solid var(--panel-border);
  border-radius: 2px; color: rgba(255,255,255,0.8);
  font-family: 'DM Sans', sans-serif; font-size: 11px;
  outline: none; margin-bottom: 6px; transition: border-color 0.2s;
}
.rp-inp:focus { border-color: var(--teal); background: rgba(0,194,203,0.05); }
.rp-inp::placeholder { color: rgba(255,255,255,0.2); }
.rp-ta {
  width: 100%; padding: 7px 10px; min-height: 52px;
  background: rgba(0,0,0,0.3); border: 1px solid var(--panel-border);
  border-radius: 2px; color: rgba(255,255,255,0.8);
  font-family: 'DM Sans', sans-serif; font-size: 11px;
  outline: none; resize: vertical; margin-bottom: 6px; transition: border-color 0.2s;
}
.rp-ta:focus { border-color: var(--teal); }
.rp-ta::placeholder { color: rgba(255,255,255,0.2); }
.rp-btn {
  width: 100%; padding: 9px;
  background: rgba(0,194,203,0.1); border: 1px solid var(--teal-border);
  border-radius: 2px; color: var(--teal);
  font-family: 'DM Sans', sans-serif; font-size: 10px; font-weight: 500;
  letter-spacing: 1.5px; text-transform: uppercase;
  cursor: pointer; margin-bottom: 5px; transition: all 0.15s;
}
.rp-btn:hover { background: var(--teal); color: var(--navy); }
.rp-btn.sec { background: transparent; border-color: var(--panel-border); color: var(--text-muted); }
.rp-btn.sec:hover { border-color: var(--teal-border); color: var(--teal); background: var(--teal-dim); }

/* ── FULLSCREEN ── */
#fullscreen-overlay {
  display: none; position: fixed; inset: 0;
  background: #000; z-index: 9999; flex-direction: column;
}
#fullscreen-overlay.on { display: flex; }
#fs-canvas-wrap { flex: 1; position: relative; overflow: hidden; }
#fs-cv { display: block; cursor: crosshair; }
.fs-ov {
  position: absolute; font-family: 'DM Sans', sans-serif;
  font-size: 12px; color: var(--teal-light); padding: 12px;
  pointer-events: none; line-height: 1.8;
  text-shadow: 0 1px 4px rgba(0,0,0,0.9);
}
#fs-bar {
  height: 44px; background: rgba(6,15,30,0.97);
  border-top: 1px solid var(--teal-border);
  display: flex; align-items: center; gap: 10px; padding: 0 16px;
}
#fs-sl { flex: 1; -webkit-appearance: none; height: 3px; background: rgba(0,194,203,0.15); border-radius: 2px; outline: none; cursor: pointer; }
#fs-sl::-webkit-slider-thumb { -webkit-appearance: none; width: 14px; height: 14px; border-radius: 50%; background: var(--teal); cursor: pointer; }
#fs-lbl { font-size: 11px; color: var(--text-muted); min-width: 60px; text-align: right; }
#fs-exit {
  padding: 6px 16px; background: rgba(0,194,203,0.1);
  border: 1px solid var(--teal-border); border-radius: 2px;
  color: var(--teal); font-size: 10px; letter-spacing: 1.5px;
  text-transform: uppercase; cursor: pointer; white-space: nowrap;
}
#fs-exit:hover { background: var(--teal); color: var(--navy); }

/* ── CONTEXT MENU ── */
#ctx-menu {
  display: none; position: fixed; z-index: 10000;
  background: rgba(6,15,30,0.98); backdrop-filter: blur(16px);
  border: 1px solid var(--teal-border); border-radius: 4px;
  padding: 5px 0; min-width: 200px;
  box-shadow: 0 16px 48px rgba(0,0,0,0.8);
}
.ctx-section {
  font-size: 8px; letter-spacing: 2px; text-transform: uppercase;
  color: var(--teal); padding: 6px 14px 3px; font-weight: 600;
}
.ctx-item {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 14px; font-size: 12px; color: rgba(255,255,255,0.6);
  cursor: pointer; transition: all 0.1s; font-family: 'DM Sans', sans-serif;
}
.ctx-item:hover { background: var(--teal-dim); color: var(--teal); }
.ctx-check { margin-left: auto; color: var(--teal); font-size: 11px; }
.ctx-sep { height: 1px; background: var(--panel-border); margin: 3px 0; }

/* ── LOGIN PAGE ── */
.login-page {
  min-height: 100vh; overflow: auto;
  background: linear-gradient(135deg, #060F1E 0%, #0A1F3D 60%, #0D2E55 100%);
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.login-page::before {
  content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(0,194,203,0.05) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(0,194,203,0.05) 1px, transparent 1px);
  background-size: 60px 60px; pointer-events: none;
}
.login-glow {
  position: absolute; top: 20%; right: 10%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(0,194,203,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.login-card {
  position: relative; z-index: 2;
  width: 420px; background: rgba(6,15,30,0.92);
  border: 1px solid var(--teal-border);
  padding: 48px 44px;
  box-shadow: 0 32px 80px rgba(0,0,0,0.6);
  animation: fadeUp 0.6s ease both;
}
@keyframes fadeUp { from { opacity:0; transform: translateY(20px); } to { opacity:1; transform: translateY(0); } }

.login-brand { margin-bottom: 36px; }
.login-brand-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 32px; font-weight: 600; color: var(--white);
  letter-spacing: 1px; margin-bottom: 4px;
}
.login-brand-title em { color: var(--teal); font-style: italic; font-weight: 300; }
.login-brand-sub {
  font-size: 10px; color: var(--text-muted);
  letter-spacing: 2.5px; text-transform: uppercase;
}
.login-divider { width: 40px; height: 1px; background: var(--teal); margin: 16px 0; }

.login-label {
  display: block; font-size: 10px; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--text-muted); margin-bottom: 7px;
}
.login-input {
  width: 100%; padding: 12px 16px; margin-bottom: 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--white); font-family: 'DM Sans', sans-serif;
  font-size: 14px; outline: none; transition: border-color 0.2s;
  border-radius: 1px;
}
.login-input:focus { border-color: var(--teal); background: rgba(0,194,203,0.05); }
.login-input::placeholder { color: rgba(255,255,255,0.2); }
.login-btn {
  width: 100%; padding: 14px;
  background: var(--teal); color: var(--navy);
  border: none; font-family: 'DM Sans', sans-serif;
  font-size: 12px; font-weight: 500; letter-spacing: 2px;
  text-transform: uppercase; cursor: pointer; margin-top: 8px;
  transition: all 0.2s;
}
.login-btn:hover { background: var(--teal-light); }
.login-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.login-error {
  padding: 10px 14px; margin-bottom: 16px;
  background: rgba(255,60,60,0.1); border: 1px solid rgba(255,60,60,0.3);
  border-radius: 2px; font-size: 12px; color: #ff9090;
}
.login-footer {
  margin-top: 28px; text-align: center;
  font-size: 10px; color: rgba(255,255,255,0.15); letter-spacing: 1px;
}

/* ── STUDY LIST PAGE ── */
.studylist-page { min-height: 100vh; overflow: auto; background: var(--navy); padding-top: 64px; }

.sl-topbar-ext {
  background: rgba(6,15,30,0.95);
  border-bottom: 1px solid var(--panel-border);
  padding: 0 24px; display: flex; align-items: center; gap: 12px;
  height: 48px; flex-shrink: 0;
}

.sl-search-row {
  padding: 20px 24px 16px;
  background: var(--navy2);
  border-bottom: 1px solid var(--panel-border);
}
.sl-search-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px; font-weight: 400; color: var(--white); margin-bottom: 14px;
}
.sl-search-title em { color: var(--teal); font-style: italic; }

.sl-search-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr auto; gap: 8px; align-items: end; }
.sl-field label { display: block; font-size: 9px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--text-muted); margin-bottom: 5px; }
.sl-field input, .sl-field select {
  width: 100%; padding: 8px 12px;
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1);
  color: var(--white); font-family: 'DM Sans', sans-serif; font-size: 13px;
  outline: none; transition: border-color 0.2s; border-radius: 1px;
}
.sl-field input:focus, .sl-field select:focus { border-color: var(--teal); }
.sl-field input::placeholder { color: rgba(255,255,255,0.2); }
.sl-field select { background: rgba(6,15,30,0.8); }
.sl-field select option { background: var(--navy); }
.sl-search-btn {
  padding: 8px 22px; background: var(--teal); color: var(--navy);
  border: none; font-family: 'DM Sans', sans-serif; font-size: 11px;
  font-weight: 500; letter-spacing: 1.5px; text-transform: uppercase;
  cursor: pointer; transition: all 0.2s; white-space: nowrap;
  align-self: end;
}
.sl-search-btn:hover { background: var(--teal-light); }
.sl-clear-btn {
  padding: 8px 14px; background: transparent;
  border: 1px solid rgba(255,255,255,0.1); color: var(--text-muted);
  font-size: 11px; letter-spacing: 1px; cursor: pointer;
  transition: all 0.2s; white-space: nowrap; align-self: end;
}
.sl-clear-btn:hover { border-color: var(--teal-border); color: var(--teal); }

/* Study list table */
.sl-content { padding: 20px 24px; }
.sl-stats {
  display: flex; align-items: center; gap: 16px; margin-bottom: 14px;
}
.sl-count { font-size: 11px; color: var(--text-muted); letter-spacing: 1px; }
.sl-count strong { color: var(--teal); }

.sl-table { width: 100%; border-collapse: collapse; }
.sl-table thead tr {
  border-bottom: 1px solid var(--teal-border);
}
.sl-table th {
  padding: 8px 12px; font-size: 9px; font-weight: 500;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--teal2); text-align: left; cursor: pointer;
  white-space: nowrap; background: rgba(0,194,203,0.04);
}
.sl-table th:hover { color: var(--teal); }
.sl-table tbody tr {
  border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: background 0.1s; cursor: pointer;
}
.sl-table tbody tr:hover { background: var(--row-hover); }
.sl-table tbody tr:hover .sl-open-btn { opacity: 1; }
.sl-table td {
  padding: 10px 12px; font-size: 12px;
  color: rgba(255,255,255,0.65); vertical-align: middle;
}
.sl-td-name { font-family: 'Cormorant Garamond', serif; font-size: 15px; color: var(--white); font-weight: 600; }
.sl-td-modality {
  display: inline-block; padding: 2px 7px;
  font-size: 9px; letter-spacing: 1px; text-transform: uppercase;
  color: var(--teal); border: 1px solid var(--teal-border); border-radius: 2px;
}
.sl-open-btn {
  padding: 5px 12px; background: rgba(0,194,203,0.1);
  border: 1px solid var(--teal-border); color: var(--teal);
  font-size: 9px; letter-spacing: 1.5px; text-transform: uppercase;
  cursor: pointer; opacity: 0; transition: all 0.15s; white-space: nowrap;
}
.sl-open-btn:hover { background: var(--teal); color: var(--navy); }

/* Pagination */
.sl-pagination { display: flex; align-items: center; gap: 6px; margin-top: 20px; justify-content: center; }
.pg-btn {
  width: 32px; height: 32px; border-radius: 2px;
  border: 1px solid rgba(255,255,255,0.08); background: transparent;
  color: var(--text-muted); font-size: 12px; cursor: pointer;
  display: flex; align-items: center; justify-content: center; transition: all 0.15s;
}
.pg-btn:hover, .pg-btn.on { color: var(--teal); border-color: var(--teal-border); background: var(--teal-dim); }
.pg-btn:disabled { opacity: 0.2; cursor: not-allowed; }

/* ── ADMIN ── */
.admin-page { min-height: 100vh; overflow: auto; background: var(--navy); padding-top: 64px; }
.admin-content { padding: 24px; max-width: 1100px; }
.admin-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 24px; }
.admin-stat-card {
  background: rgba(10,31,61,0.6); border: 1px solid var(--panel-border);
  border-top: 2px solid var(--teal); padding: 20px 18px;
}
.admin-stat-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 36px; font-weight: 600; color: var(--teal); line-height: 1;
}
.admin-stat-lbl { font-size: 10px; color: var(--text-muted); letter-spacing: 1.5px; text-transform: uppercase; margin-top: 6px; }

/* ── NOTIFICATIONS ── */
#notif-area { position: fixed; top: 68px; right: 16px; z-index: 5000; display: flex; flex-direction: column; gap: 8px; }
.notif {
  padding: 10px 16px; min-width: 240px;
  background: rgba(6,15,30,0.97); border: 1px solid var(--panel-border);
  border-left: 3px solid var(--teal); border-radius: 2px;
  font-size: 12px; color: rgba(255,255,255,0.7);
  animation: slideIn 0.2s ease; box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
.notif.error { border-left-color: #ff6060; }
.notif.success { border-left-color: var(--teal); }
@keyframes slideIn { from { opacity:0; transform:translateX(20px); } to { opacity:1; transform:translateX(0); } }


/* ── MULTI VIEWPORT LAYOUTS ── */
.layout-btn {
  padding: 4px 8px; font-size: 9px; letter-spacing: 1px;
  text-transform: uppercase; border-radius: 2px; cursor: pointer;
  border: 1px solid var(--panel-border); background: transparent;
  color: var(--text-muted); transition: all 0.15s; font-family: 'DM Sans', sans-serif;
  display: flex; align-items: center; justify-content: center;
}
.layout-btn:hover { border-color: var(--teal-border); color: var(--teal); background: var(--teal-dim); }
.layout-btn.active { border-color: var(--teal); color: var(--teal); background: var(--teal-dim); }

.layout-picker {
  display: flex; gap: 4px; align-items: center;
  padding: 0 8px; border-left: 1px solid var(--panel-border);
}
.layout-grid-icon {
  display: grid; gap: 1px; width: 16px; height: 16px;
}
.layout-grid-icon div {
  background: currentColor; border-radius: 1px;
}

/* Viewport grid layouts */
#vp-container.layout-1x1 { display: grid; grid-template-columns: 1fr; grid-template-rows: 1fr; }
#vp-container.layout-1x2 { display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1fr; }
#vp-container.layout-2x2 { display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; }
#vp-container.layout-1x3 { display: grid; grid-template-columns: 1fr 1fr 1fr; grid-template-rows: 1fr; }
#vp-container.layout-3x1 { display: grid; grid-template-columns: 1fr; grid-template-rows: 1fr 1fr 1fr; }
#vp-container.layout-2x3 { display: grid; grid-template-columns: 1fr 1fr 1fr; grid-template-rows: 1fr 1fr; }

.vp-pane {
  position: relative; background: #000;
  display: flex; flex-direction: column; overflow: hidden;
  border: 2px solid transparent; transition: border-color 0.15s;
  min-height: 0; min-width: 0;
}
.vp-pane.active-vp { border-color: var(--teal) !important; }
.vp-pane + .vp-pane { border-left: none; }