/* =========================================
   CHESS CLERK PRO — STYLESHEET
   =========================================
   1.  Reset & Base
   2.  App Structure
   3.  Board Layout
   4.  Coordinates
   5.  Board Flip
   6.  Piece Render
   7.  Target Highlights
   8.  Check Flash
   9.  Promotion Box
   10. Panel 2 (SAN / Move List)
   11. Panel 3 (Main Content)
   12. Panel 3 Sub-Row
   13. Panel 4 (Motif Lists)
   14. Nav Buttons
   15. SAN Row Controls
   16. Captured Pieces
   17. Engine Options Popup
   18. Chess 960 Popup
   19. Explorer Panel
   20. Internet Panel
   21. File Explorer
   22. Coach Panel
   23. Library Entries
   24. Motif List Entries
   25. Panel 3 States
   26. Wiki / Chess Diagrams
   27. Generic Popup Template
   28. Play vs Line Animation
========================================= */


/* =========================================
   1. RESET & BASE
========================================= */

* { box-sizing: border-box; }

html, body {
    margin: 0;
    top: 0 !important;
    font-family: Georgia, serif;
    background: #4a240f;
    color: #fff0d6;
}

:focus { outline: none; }

.goog-te-banner-frame { display: none !important; }
.skiptranslate        { display: none !important; }


/* =========================================
   2. APP STRUCTURE
========================================= */

#app {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 0;
    padding: 25px 0.75in 25px 150px;
    height: auto;
}

#board-column {
    width: 640px;
    flex: 0 0 640px;
    position: relative;
}

#panel-row {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    height: auto;
}


/* =========================================
   3. BOARD LAYOUT
========================================= */

#board-container {
    width: 640px;
    position: relative;
    transform-origin: center center;
}

#board {
    display: grid;
    width: 640px;
    height: 640px;
    grid-template-columns: repeat(8, 1fr);
    grid-template-rows: repeat(8, 1fr);
    border: 12px solid #5a3e2b;
}

.square {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    background-size: 100%;
    background-repeat: no-repeat;
    background-position: center;
    user-select: none;
    -webkit-user-select: none;
    -webkit-user-drag: none;
}

.light { background-color: #e0c7a1; }
.dark  { background-color: #7a3d1a; }


/* =========================================
   4. COORDINATES
========================================= */

#rank-coords {
    position: absolute;
    left: -32px;
    top: -40px;
    width: 35px;
    height: 640px;
}

#file-coords {
    position: absolute;
    bottom: -45px;
    left: 0;
    height: 40px;
    width: 640px;
}

.coord-rank {
    position: absolute;
    width: 40px;
    height: 80px;
    text-align: center;
    line-height: 80px;
}

.coord-file {
    position: absolute;
    height: 40px;
    width: 80px;
    text-align: center;
}

.coord-rank,
.coord-file {
    font-size: 20px;
    font-weight: 600;
    color: #c9a227;
    font-family: Georgia, serif;
    text-transform: lowercase;
}

.rank1 { top: 595px; } .rank2 { top: 515px; } .rank3 { top: 435px; }
.rank4 { top: 355px; } .rank5 { top: 275px; } .rank6 { top: 195px; }
.rank7 { top: 115px; } .rank8 { top: 35px;  }

.fileA { left: 0px;   } .fileB { left: 80px;  } .fileC { left: 160px; }
.fileD { left: 240px; } .fileE { left: 320px; } .fileF { left: 400px; }
.fileG { left: 480px; } .fileH { left: 560px; }

body:not(.coords-on) #rank-coords,
body:not(.coords-on) #file-coords { display: none; }


/* =========================================
   5. BOARD FLIP
========================================= */

#board.flipped                             { transform: rotate(180deg); }
#board.flipped .square                     { transform: rotate(180deg); }
#board.flipped ~ #file-coords             { transform: rotate(180deg); }
#board.flipped ~ #file-coords .coord-file { transform: rotate(180deg); }

#board-container.flipped-rank #rank-coords {
    transform: rotate(180deg) translateY(-80px) translateX(5px);
}
#board-container.flipped-rank #rank-coords .coord-rank {
    transform: rotate(180deg);
}


/* =========================================
   6. PIECE RENDER
========================================= */

.square.light.wp, .square.dark.wp { background-image: url("pieces/wp.svg"); }
.square.light.wn, .square.dark.wn { background-image: url("pieces/wn.svg"); }
.square.light.wb, .square.dark.wb { background-image: url("pieces/wb.svg"); }
.square.light.wr, .square.dark.wr { background-image: url("pieces/wr.svg"); }
.square.light.wq, .square.dark.wq { background-image: url("pieces/wq.svg"); }
.square.light.wk, .square.dark.wk { background-image: url("pieces/wk.svg"); }
.square.light.bp, .square.dark.bp { background-image: url("pieces/bp.svg"); }
.square.light.bn, .square.dark.bn { background-image: url("pieces/bn.svg"); }
.square.light.bb, .square.dark.bb { background-image: url("pieces/bb.svg"); }
.square.light.br, .square.dark.br { background-image: url("pieces/br.svg"); }
.square.light.bq, .square.dark.bq { background-image: url("pieces/bq.svg"); }
.square.light.bk, .square.dark.bk { background-image: url("pieces/bk.svg"); }

.drag-ghost {
    pointer-events: none;
    user-select: none;
    -webkit-user-select: none;
    -webkit-user-drag: none;
}


/* =========================================
   7. TARGET HIGHLIGHTS
========================================= */

.square.target-blue {
    box-shadow: inset 0 0 0 3px rgba(80, 140, 255, 0.95);
    border-radius: 6px;
}

.square.target-turquoise {
    box-shadow:
        inset 0 0 0 3px rgba(64, 224, 208, 0.95),
        inset 0 0 6px rgba(64, 224, 208, 0.4);
    border-radius: 6px;
}

.blue-active      { background: #4da6ff !important; color: #000 !important; border-color: #4da6ff !important; }
.turquoise-active { background: #40E0D0 !important; color: #000 !important; border-color: #40E0D0 !important; }
.gold-active      { background: #c9a227 !important; color: #111 !important; border-color: #c9a227 !important; }


/* =========================================
   8. CHECK / ILLEGAL FLASH
========================================= */

@keyframes outline-flash {
    0%   { box-shadow: none; }
    50%  { box-shadow: inset 0 0 0 3px #ff7a00, inset 0 0 10px rgba(255,122,0,0.7); }
    100% { box-shadow: none; }
}

.square.flash-orange { animation: outline-flash 0.15s linear 12; }


/* =========================================
   9. PROMOTION BOX
========================================= */

#promotion-box {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: none;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 18px 22px;
    gap: 12px;
    background: #3a2818;
    border: 2px solid #c9a227;
    border-radius: 10px;
    width: fit-content;
    min-width: 340px;
    z-index: 9999;
}

#promotion-box img {
    width: 72px;
    height: 72px;
    cursor: pointer;
    padding: 8px;
    border: 1px solid #5a3e2b;
    border-radius: 4px;
    transition: background 0.15s;
}

#promotion-box img.promo-black { background: #e6cfa3; }
#promotion-box img.promo-white { background: #6a4a2d; }


/* =========================================
   10. PANEL 2 (SAN / MOVE LIST)
========================================= */

#panel2 {
    width: 2in;
    height: 640px;
    flex: 0 0 2in;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    overflow: hidden;
    box-sizing: border-box;
    background: #45210e;
    border: 3px solid #5a3e2b;
    padding: 0;
}

#move-scroll {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    padding: 12px 12px 42px 12px;
    scrollbar-width: thin;
    scrollbar-color: #6b4a2f #3b2a1d;
}

#move-content { padding: 0; }

.move-number {
    color: #c9a227;
    min-width: 24px;
    font-size: 17px;
    flex-shrink: 0;
}

.move-text {
    font-size: 17px;
    cursor: pointer;
    padding: 1px 3px;
    border-radius: 4px;
}

.move-line {
    padding: 3px 0;
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.move-text.cursor-active {
    background: #c9a227;
    color: #2a1d14;
    border-radius: 4px;
    padding: 1px 4px;
}


/* =========================================
   11. PANEL 3 (MAIN CONTENT)
========================================= */

#panel3-col {
    display: flex;
    flex-direction: column;
}

#panel3 {
    width: 640px;
    flex: 0 0 640px;
    height: 640px;
    box-sizing: border-box;
    overflow-y: scroll;
    padding: 12px;
    border: 3px solid #5a3e2b;
    position: relative;
    isolation: isolate;
    background: #4a240f;
    scrollbar-width: thin;
    scrollbar-color: #6b4a2f #3b2a1d;
}

#panel3::after { content: ""; display: block; height: 8px; }

#panel3::-webkit-scrollbar       { width: 10px; }
#panel3::-webkit-scrollbar-track { background: #3b2a1d; border-left: 1px solid #2a1d14; }
#panel3::-webkit-scrollbar-thumb { background: #6b4a2f; border-radius: 6px; }
#panel3::-webkit-scrollbar-thumb:hover { background: #8a5a3a; }

#nav-row-tail {
    display: flex;
    width: 640px;
    gap: 1mm;
    height: 32px;
    margin-top: 50 px;
}

#nav-row-tail .nav-btn {
    flex: 1;
    height: 32px;
    font-size: 15px;
    min-width: 0;
}


/* =========================================
   12. PANEL 3 SUB-ROW (LIB BUTTONS)
========================================= */

#lib-sub-row {
    display: none;
    justify-content: center;
    gap: 6px;
    padding: 4px 0;
    margin-top: 6px;
}

.lib-sub-btn {
    height: 32px;
    font-size: 13px;
    width: 80px;
}


.lib-entry.lib-book .lib-san {
    font-style: italic;
    opacity: 0.75;
}


/* =========================================
   13. PANEL 4 (MOTIF LISTS)
========================================= */

#panel4 {
    width: 2in;
    flex: 0 0 2in;
    height: 640px;
    display: flex;
    flex-direction: column;
    overflow-y: scroll;
    overflow-x: hidden;
    background: #45210e;
    border-top: 3px solid #5a3e2b;
    border-right: 3px solid #5a3e2b;
    border-bottom: 3px solid #5a3e2b;
    border-left: none;
    scrollbar-width: thin;
    scrollbar-color: #6b4a2f #3b2a1d;
}

#panel4::-webkit-scrollbar       { width: 10px; }
#panel4::-webkit-scrollbar-track { background: #3b2a1d; border-left: 1px solid #2a1d14; }
#panel4::-webkit-scrollbar-thumb { background: #6b4a2f; border-radius: 6px; }
#panel4::-webkit-scrollbar-thumb:hover { background: #8a5a3a; }
#panel4::after { content: ""; display: block; height: 8px; }


/* =========================================
   14. NAV BUTTONS
========================================= */

#nav-keys {
    position: absolute;
    top: 720px;
    left: 150px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

#nav-row-board {
    display: flex;
    align-items: center;
    width: 640px;
    gap: 1mm;
}

#nav-row-board .nav-btn {
    flex: 1;
    height: 32px;
    font-size: 14px;
    min-width: 0;
}

#nav-row-board #engine-options {
    font-size: 32px;
    line-height: 1;
    padding: 0 0 10px 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-btn {
    height: 32px;
    font-size: 14px;
    background: #8b3a1a;
    color: #fff0d6;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    padding: 0;
    position: relative;
}

.nav-btn:hover  { background: #7a3418; }
.nav-btn:active { background: #5a240f; }

.nav-btn::after {
    content: attr(title);
    position: absolute;
    bottom: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    width: max-content;
    background: #2a1d14;
    color: #f5e6d3;
    font-size: 13px;
    font-family: Georgia, serif;
    text-align: center;
    padding: 3px 6px;
    border: 1px solid #5a3e2b;
    border-radius: 3px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.15s;
    white-space: nowrap;
    z-index: 9999;
}

.nav-btn:hover::after { opacity: 1; }

#speed-down::after,
#speed-up::after { display: none; }


/* =========================================
   15. SAN ROW CONTROLS
========================================= */

#nav-row-san {
    display: flex;
    flex-direction: column;
    gap: 1mm;
    padding: 4px;
    border-top: 1px solid #5a3e2b;
    background: #45210e;
}

#san-row-top {
    display: flex;
    gap: 1mm;
    width: 100%;
}

#san-row-top .nav-btn {
    flex: 1;
    height: 32px;
    font-size: 14px;
    min-width: 0;
}

#san-row-speed {
    display: flex;
    align-items: center;
    gap: 1mm;
    width: 100%;
}

#san-row-speed .nav-btn {
    width: 32px;
    height: 28px;
    font-size: 16px;
}

#speed-display {
    flex: 1;
    text-align: center;
    font-size: 13px;
    color: #c9a227;
    font-family: Georgia, serif;
}


/* =========================================
   16. CAPTURED PIECES
========================================= */

#captured-left {
    position: absolute;
    left: -120px;
    top: 12px;
    width: 80px;
    height: 616px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-start;
}

.captured-top,
.captured-bottom {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    width: 80px;
    gap: 0;
    align-content: flex-start;
}

.captured-top    { align-self: flex-start; }
.captured-bottom { align-self: flex-end; }

.captured-piece {
    width: 40px;
    height: 40px;
    user-select: none;
    -webkit-user-drag: none;
    display: block;
    filter: drop-shadow(0px 0px 2px rgba(255,255,255,0.85));
}

.captured-score {
    font-size: 14px;
    font-weight: bold;
    color: #c9a227;
    font-family: Georgia, serif;
    text-align: left;
    min-height: 18px;
    width: 80px;
}

.score-top    { margin-bottom: 2px; }
.score-bottom { margin-top: auto; margin-bottom: 2px; }


/* =========================================
   17. ENGINE OPTIONS POPUP
========================================= */

#engine-options-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.65);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

#engine-options-overlay.active { display: flex; }

#engine-options-box {
    background: #2a1d14;
    border: 2px solid #c9a227;
    border-radius: 10px;
    padding: 24px;
    width: 360px;
    color: #fff0d6;
    font-family: Georgia, serif;
}

.eo-title {
    font-size: 20px;
    color: #c9a227;
    text-align: center;
    margin-bottom: 20px;
    font-weight: bold;
}

.eo-section-label {
    font-size: 12px;
    color: #8a6a4a;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.eo-group {
    display: flex;
    gap: 6px;
    margin-bottom: 18px;
    flex-wrap: wrap;
}

.eo-btn {
    flex: 1;
    padding: 8px 6px;
    background: #3a2010;
    color: #fff0d6;
    border: 1px solid #5a3e2b;
    border-radius: 4px;
    cursor: pointer;
    font-family: Georgia, serif;
    font-size: 13px;
}

.eo-btn:hover { background: #5a3e2b; }

.eo-btn.eo-active {
    background: #c9a227;
    color: #2a1d14;
    border-color: #c9a227;
    font-weight: bold;
}

.eo-buttons { display: flex; gap: 8px; margin-top: 8px; }

.eo-go {
    flex: 2;
    background: #c9a227;
    color: #2a1d14;
    font-weight: bold;
    border-color: #c9a227;
}

.eo-go:hover:not(:disabled) { background: #e0b840; }
.eo-go:disabled { opacity: 0.4; cursor: default; }
.eo-cancel { flex: 1; }


/* =========================================
   18. CHESS 960 POPUP
========================================= */

#chess960-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.65);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

#chess960-overlay.active { display: flex; }

#chess960-box {
    background: #2a1d14;
    border: 2px solid #c9a227;
    border-radius: 10px;
    padding: 24px;
    width: 360px;
    color: #fff0d6;
    font-family: Georgia, serif;
}

.c960-title {
    font-size: 20px;
    color: #c9a227;
    text-align: center;
    margin-bottom: 20px;
    font-weight: bold;
}

.c960-section {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 18px;
}

.c960-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 6px;
    background: #3a2010;
    color: #fff0d6;
    border: 1px solid #5a3e2b;
    border-radius: 4px;
    cursor: pointer;
    font-family: Georgia, serif;
    font-size: 13px;
}

.c960-option:hover { background: #5a3e2b; }
.c960-option input { margin: 0; }

.c960-buttons {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

.c960-buttons button {
    padding: 8px 6px;
    border: 1px solid #5a3e2b;
    border-radius: 4px;
    cursor: pointer;
    font-family: Georgia, serif;
    font-size: 13px;
}

.c960-start {
    flex: 2;
    background: #c9a227;
    color: #2a1d14;
    font-weight: bold;
    border-color: #c9a227;
}

.c960-start:hover  { background: #e0b840; }
.c960-cancel       { flex: 1; background: #3a2010; color: #fff0d6; }
.c960-cancel:hover { background: #5a3e2b; }


/* =========================================
   19. EXPLORER PANEL
========================================= */

.explorer-table {
    display: flex;
    flex-direction: column;
    color: #fff0d6;
    font-family: Georgia, serif;
    font-size: 14px;
}

.explorer-head,
.explorer-row {
    display: grid;
    grid-template-columns: 110px 110px 80px 80px 1fr;
    align-items: center;
    column-gap: 12px;
    padding: 8px 12px;
    box-sizing: border-box;
}

.explorer-head {
    font-weight: bold;
    color: #d4a64a;
    border-bottom: 1px solid #8b4a22;
    position: sticky;
    top: 0;
    background: #6b2f12;
    z-index: 2;
}

.explorer-row {
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(212,166,74,0.15);
    color: #fff0d6;
    text-align: left;
    width: 100%;
    cursor: pointer;
}

.explorer-row:hover,
.explorer-row:focus { background: #7a3d1a; outline: none; }

.explorer-col-move  { font-weight: bold; color: #d4a64a; }
.explorer-col-eval,
.explorer-col-games,
.explorer-col-last  { color: #f2dfc2; }
.explorer-col-bar   { min-width: 220px; }

.explorer-bar-wrap { width: 100%; }

.explorer-bar {
    display: flex;
    width: 100%;
    height: 18px;
    overflow: hidden;
    border-radius: 3px;
    background: #3a1a0c;
}

.explorer-bar-white,
.explorer-bar-draw,
.explorer-bar-black {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: bold;
    white-space: nowrap;
    overflow: hidden;
}

.explorer-bar-white { background: #d4a64a; color: #2a1d14; }
.explorer-bar-draw  { background: #8a4a2a; color: #fff0d6; }
.explorer-bar-black { background: #3a1a0c; color: #fff0d6; }
.explorer-empty     { padding: 12px; color: #f2dfc2; }


/* =========================================
   20. INTERNET PANEL
========================================= */

.inet-hint           { font-size: 11px; color: #8a6a4a; margin-bottom: 12px; font-style: italic; }
.inet-category       { margin-bottom: 14px; }
.inet-category-label { font-size: 11px; font-weight: bold; color: #c9a227; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 6px; }

.inet-tile-grid { display: flex; flex-wrap: wrap; gap: 6px; }

.inet-tile {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 64px;
    background: #5a3e2b;
    border: 1px solid #6b4a33;
    border-radius: 6px;
    cursor: pointer;
    gap: 4px;
    padding: 6px 4px;
    transition: background 0.12s, border-color 0.12s;
}

.inet-tile:hover { background: #6b4a33; border-color: #c9a227; }

.inet-tile-icon  { font-size: 18px; line-height: 1; color: #f5e6d3; font-family: Georgia, serif; }
.inet-tile-label { font-size: 10px; color: #c9a227; text-align: center; font-family: Georgia, serif; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 68px; }

.inet-bar { display: flex; gap: 6px; margin-top: 8px; padding-top: 10px; border-top: 1px solid #5a3e2b; }

.inet-input {
    flex: 1;
    background: #2a1d14;
    border: 1px solid #5a3e2b;
    color: #f5e6d3;
    padding: 5px 8px;
    border-radius: 4px;
    font-size: 13px;
    font-family: Georgia, serif;
}

.inet-input:focus { border-color: #c9a227; }

.inet-go-btn {
    background: #5a3e2b;
    color: #f5e6d3;
    border: 1px solid #6b4a33;
    border-radius: 4px;
    padding: 5px 12px;
    cursor: pointer;
    font-size: 13px;
    font-family: Georgia, serif;
}

.inet-go-btn:hover { background: #6b4a33; border-color: #c9a227; }


/* =========================================
   21. FILE EXPLORER
========================================= */

.fe-toolbar { display: flex; gap: 6px; margin-bottom: 10px; flex-wrap: wrap; }

.fe-btn {
    background: #5a3e2b;
    color: #f5e6d3;
    border: 1px solid #6b4a33;
    border-radius: 4px;
    padding: 5px 10px;
    cursor: pointer;
    font-size: 12px;
    font-family: Georgia, serif;
}

.fe-btn:hover { background: #6b4a33; border-color: #c9a227; }

.fe-breadcrumb { font-size: 12px; color: #8a6a4a; margin-bottom: 8px; display: flex; flex-wrap: wrap; align-items: center; gap: 2px; }
.fe-bc-link    { color: #c9a227; cursor: pointer; }
.fe-bc-link:hover { text-decoration: underline; }
.fe-bc-current { color: #f5e6d3; }
.fe-bc-sep     { color: #5a3e2b; }

.fe-section-label { font-size: 11px; font-weight: bold; color: #c9a227; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; margin-top: 8px; }
.fe-tree-wrap     { margin-top: 4px; }
.fe-tree          { display: flex; flex-direction: column; gap: 1px; }

.fe-item {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 5px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    color: #f5e6d3;
    font-family: Georgia, serif;
}

.fe-item.fe-hover { background: rgba(255,255,255,0.06); }
.fe-item.fe-dir   { font-weight: bold; color: #c9a227; }
.fe-icon          { font-size: 14px; flex-shrink: 0; width: 18px; text-align: center; }
.fe-name          { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fe-recent        { margin-bottom: 10px; }
.fe-empty         { font-size: 12px; color: #6b4a33; padding: 8px; font-style: italic; }
.fe-error         { font-size: 12px; color: #ff7a7a; padding: 8px; }
.fe-prompt        { font-size: 13px; color: #8a6a4a; line-height: 1.6; padding: 8px 0 14px; border-bottom: 1px solid #3b2a1e; margin-bottom: 12px; }


/* =========================================
   22. COACH PANEL
========================================= */

.coach-heading { font-size: 15px; font-weight: bold; color: #c9a227; margin-bottom: 6px; }
.coach-desc    { font-size: 12px; color: #8a6a4a; margin-bottom: 16px; line-height: 1.5; }
.coach-section { margin-bottom: 16px; display: flex; flex-direction: column; gap: 6px; }
.coach-section-label { font-size: 12px; font-weight: bold; color: #c9a227; text-transform: uppercase; letter-spacing: 1px; }

.coach-input {
    background: #2a1d14;
    border: 1px solid #5a3e2b;
    color: #f5e6d3;
    padding: 6px 8px;
    border-radius: 4px;
    font-size: 13px;
    font-family: Georgia, serif;
    width: 100%;
    box-sizing: border-box;
}

.coach-input:focus { border-color: #c9a227; }

.coach-btn {
    padding: 6px 14px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    font-family: Georgia, serif;
    align-self: flex-start;
}

.coach-btn-primary          { background: #c9a227; color: #2a1d14; font-weight: bold; }
.coach-btn-primary:hover    { background: #e0b840; }
.coach-btn-secondary        { background: #5a3e2b; color: #f5e6d3; border: 1px solid #6b4a33; }
.coach-btn-secondary:hover  { background: #6b4a33; }
.coach-btn-danger           { background: #8b2020; color: #f5e6d3; }
.coach-btn-danger:hover     { background: #a02828; }
.coach-btn:disabled         { opacity: 0.5; cursor: default; }

.coach-divider { border-top: 1px solid #3b2a1e; margin: 8px 0 16px; }

.coach-zoom {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: #2a4a7a;
    border: 1px solid #3a5a8a;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    color: #f5e6d3;
    margin-top: 8px;
    width: fit-content;
}

.coach-zoom:hover { background: #3a5a8a; }

.coach-active { display: flex; flex-direction: column; align-items: center; gap: 10px; padding: 20px 12px; text-align: center; }

.coach-active-code {
    font-size: 36px;
    font-weight: bold;
    letter-spacing: 6px;
    color: #40E0D0;
    font-family: monospace;
    background: #2a1d14;
    padding: 10px 20px;
    border-radius: 8px;
    border: 2px solid #40E0D0;
}

.coach-active-role { font-size: 13px; color: #c9a227; font-weight: bold; }
.coach-active-hint { font-size: 12px; color: #8a6a4a; }
.coach-error       { font-size: 12px; color: #ff7a7a; margin-top: 4px; }


/* =========================================
   23. LIBRARY ENTRIES
========================================= */

.lib-entry         { padding: 6px 8px; font-size: 14px; color: #f5e6d3; cursor: pointer; border-radius: 4px; margin-bottom: 2px; }
.lib-entry:hover   { background: rgba(255,255,255,0.05); }
.lib-selected      { background: #c9a227; color: #2a1d14; }
.lib-selected:hover { background: #e0b840; color: #2a1d14; }
.lib-has-note      { border-left: 2px solid #c9a227; padding-left: 6px; }
.lib-entry-text    { display: flex; align-items: center; gap: 6px; }
.lib-note-dot      { font-size: 8px; color: #c9a227; flex-shrink: 0; }

.lib-note-display {
    font-size: 12px;
    color: #8a6a4a;
    font-style: italic;
    margin-top: 3px;
    padding-left: 2px;
    line-height: 1.4;
}

.lib-note-editor {
    width: 100%;
    margin-top: 6px;
    background: #2a1d14;
    border: 1px solid #c9a227;
    color: #f5e6d3;
    padding: 6px 8px;
    border-radius: 4px;
    font-size: 13px;
    font-family: Georgia, serif;
    resize: none;
    box-sizing: border-box;
}

.lib-note-editor:focus { border-color: #40E0D0; }


/* =========================================
   24. MOTIF LIST ENTRIES
========================================= */

#list-header {
    padding: 8px 8px 10px;
    font-size: 16px;
    font-weight: bold;
    color: #c9a227;
    border-bottom: 1px solid #5a3e2b;
    margin-bottom: 6px;
}

.list-entry         { padding: 6px 8px; font-size: 16px; color: #f5e6d3; cursor: pointer; }
.list-entry:hover   { background: rgba(255,255,255,0.05); }
.variation-entry.active { background: #c9a227; color: #2a1d14; }

.list-back          { color: #8a6a4a; font-size: 13px; padding: 6px 8px; cursor: pointer; border-bottom: 1px solid #5a3e2b; margin-bottom: 4px; }
.list-back:hover    { color: #c9a227; }

.list-section-label { padding: 8px 8px 4px; font-size: 11px; font-weight: bold; color: #c9a227; text-transform: uppercase; letter-spacing: 1px; cursor: default; }

.list-variation       { padding: 5px 8px; font-size: 14px; color: #f5e6d3; cursor: pointer; border-radius: 4px; }
.list-variation:hover { background: rgba(255,255,255,0.05); }

.list-active       { background: #c9a227; color: #2a1d14; }
.list-active:hover { background: #e0b840; }


/* =========================================
   25. PANEL 3 STATES
========================================= */

.p3-loading  { font-size: 13px; color: #8a6a4a; padding: 16px 12px; font-style: italic; }
.panel3-stub { padding: 24px; color: #8a6a4a; font-style: italic; font-family: Georgia, serif; }


/* =========================================
   26. WIKI / CHESS DIAGRAMS
========================================= */

.cc-chess-wrap {
    display: flex;
    justify-content: center;
    overflow-x: auto;
    margin: 16px 0;
}

.cc-chess-wrap table {
    border-collapse: collapse;
    margin: 0 auto;
    table-layout: auto;
    width: auto;
    max-width: none;
    display: table;
}

.cc-chess-wrap tr               { display: table-row; }
.cc-chess-wrap td,
.cc-chess-wrap th               { display: table-cell !important; padding: 0 !important; margin: 0; vertical-align: middle !important; width: auto !important; height: auto !important; }
.cc-chess-wrap img              { display: block; max-width: none; width: auto; height: auto; }
.cc-chess-wrap *                { max-width: none !important; box-sizing: content-box !important; }


/* =========================================
   27. GENERIC POPUP TEMPLATE
========================================= */

#popup-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.65);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

#popup-overlay.active { display: flex; }

#popup-box {
    background: #2a1d14;
    border: 2px solid #c9a227;
    border-radius: 10px;
    padding: 24px;
    width: fit-content;
    max-width: 90vw;
    min-width: 280px;
    color: #fff0d6;
    font-family: Georgia, serif;
}

.popup-title {
    font-size: 20px;
    color: #c9a227;
    text-align: center;
    margin-bottom: 20px;
    font-weight: bold;
}

.popup-section-label {
    font-size: 12px;
    color: #8a6a4a;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.popup-group {
    display: flex;
    gap: 6px;
    margin-bottom: 18px;
    flex-wrap: wrap;
}

.popup-btn {
    flex: 1;
    padding: 8px 6px;
    background: #3a2010;
    color: #fff0d6;
    border: 1px solid #5a3e2b;
    border-radius: 4px;
    cursor: pointer;
    font-family: Georgia, serif;
    font-size: 13px;
}

.popup-btn:hover        { background: #5a3e2b; }
.popup-btn.popup-active { background: #c9a227; color: #2a1d14; border-color: #c9a227; font-weight: bold; }

.popup-buttons { display: flex; gap: 8px; margin-top: 8px; }

.popup-go {
    flex: 2;
    background: #c9a227;
    color: #2a1d14;
    font-weight: bold;
    border: 1px solid #c9a227;
}

.popup-go:hover:not(:disabled) { background: #e0b840; }
.popup-go:disabled              { opacity: 0.4; cursor: default; }

.popup-cancel       { flex: 1; background: #3a2010; color: #fff0d6; border: 1px solid #5a3e2b; }
.popup-cancel:hover { background: #5a3e2b; }


/* =========================================
   28. PLAY VS LINE ANIMATION
========================================= */

.target-turquoise {
    animation: pvl-turquoise-pulse 0.6s ease-in-out infinite;
}

.square.target-turquoise.pvl-hint {
    animation: pvl-turquoise-flash 0.15s linear 12;
}

@keyframes pvl-turquoise-flash {
    0%   { box-shadow: inset 0 0 0 3px rgba(64, 224, 208, 0.2), inset 0 0 2px rgba(64, 224, 208, 0.1); }
    50%  { box-shadow: inset 0 0 0 3px rgba(64, 224, 208, 0.95), inset 0 0 10px rgba(64, 224, 208, 0.8); }
    100% { box-shadow: inset 0 0 0 3px rgba(64, 224, 208, 0.2), inset 0 0 2px rgba(64, 224, 208, 0.1); }
}