From adca2464f89240ca60f5f85ab09f8059f0a1798b Mon Sep 17 00:00:00 2001
From: admin01 <cuken107@proton.me>
Date: Sun, 23 Aug 2026 07:36:35 +0000
Subject: [PATCH] Update chess/public/styles.css

---
 chess/public/styles.css | 1327 +++++++++++++++++++++++++++++++++------
 1 file changed, 1140 insertions(+), 187 deletions(-)

diff --git a/chess/public/styles.css b/chess/public/styles.css
index 4c7a4b5..f09ed9a 100644
--- a/chess/public/styles.css
+++ b/chess/public/styles.css
@@ -1,250 +1,1203 @@
 :root {
-  --bg-body: #0f172a;
-  --bg-panel: rgba(30, 41, 59, 0.55);
-  --bg-input: rgba(15, 23, 42, 0.6);
-  --border-subtle: rgba(255, 255, 255, 0.12);
-  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3), inset 0 1px 1px rgba(255, 255, 255, 0.08);
-  
-  --border-focus: #10b981;
-  --text-main: #f8fafc;
-  --text-muted: #94a3b8;
-  
-  --primary: #10b981;
-  --primary-hover: #059669;
-  
-  --secondary: rgba(255, 255, 255, 0.1);
-  --secondary-hover: rgba(255, 255, 255, 0.2);
-  
-  --board-light: #ebecd0;
-  --board-dark: #739552;
-  
-  --radius-sm: 4px;
-  --radius-md: 6px;
-  --radius-lg: 8px;
+    color-scheme: dark light;
+
+    --bg-body: #0f172a;
+    --bg-panel: rgba(30, 41, 59, 0.72);
+    --bg-input: rgba(15, 23, 42, 0.72);
+
+    --border-subtle: rgba(255, 255, 255, 0.12);
+    --border-strong: rgba(255, 255, 255, 0.2);
+
+    --glass-shadow:
+        0 8px 32px rgba(0, 0, 0, 0.28),
+        inset 0 1px 1px rgba(255, 255, 255, 0.06);
+
+    --border-focus: #10b981;
+
+    --text-main: #f8fafc;
+    --text-muted: #94a3b8;
+    --text-soft: #cbd5e1;
+
+    --primary: #10b981;
+    --primary-hover: #059669;
+
+    --secondary: rgba(255, 255, 255, 0.09);
+    --secondary-hover: rgba(255, 255, 255, 0.16);
+
+    --danger: #ef4444;
+
+    --board-light: #ebecd0;
+    --board-dark: #739552;
+
+    --radius-sm: 5px;
+    --radius-md: 8px;
+    --radius-lg: 10px;
+
+    --content-width: 1280px;
 }
 
-* { box-sizing: border-box; margin: 0; padding: 0; }
+
+/* =========================================================
+   LIGHT THEME
+========================================================= */
+
+@media (prefers-color-scheme: light) {
+
+    :root {
+        --bg-body: #eef2f3;
+        --bg-panel: rgba(255, 255, 255, 0.78);
+        --bg-input: rgba(255, 255, 255, 0.82);
+
+        --border-subtle: rgba(15, 23, 42, 0.12);
+        --border-strong: rgba(15, 23, 42, 0.2);
+
+        --glass-shadow:
+            0 8px 28px rgba(15, 23, 42, 0.12),
+            inset 0 1px 1px rgba(255, 255, 255, 0.7);
+
+        --text-main: #172033;
+        --text-muted: #64748b;
+        --text-soft: #334155;
+
+        --secondary: rgba(15, 23, 42, 0.06);
+        --secondary-hover: rgba(15, 23, 42, 0.11);
+    }
+
+    body {
+        background-color: #eef2f3;
+    }
+
+    .main-header h1,
+    h2,
+    h3 {
+        color: var(--text-main);
+        text-shadow: none;
+    }
+
+    .piece.white {
+        color: #ffffff;
+    }
+
+    input[type="text"],
+    select {
+        color: var(--text-main);
+    }
+
+    input::placeholder {
+        color: rgba(15, 23, 42, 0.4);
+    }
+
+    .mode-button.active {
+        color: var(--text-main);
+    }
+
+    .secondary-button,
+    .icon-button {
+        color: var(--text-main);
+    }
+}
+
+
+/* =========================================================
+   RESET
+========================================================= */
+
+*,
+*::before,
+*::after {
+    box-sizing: border-box;
+}
+
+html {
+    min-height: 100%;
+    scroll-behavior: smooth;
+}
 
 body {
-  background-color: var(--bg-body);
-  background-image: url('https://images.unsplash.com/photo-1529699211952-734e80c4d42b?q=80&w=2000&auto=format&fit=crop');
-  background-size: cover;
-  background-position: center;
-  background-attachment: fixed;
-  color: var(--text-main);
-  font-family: 'Inter', sans-serif;
-  line-height: 1.5;
-  -webkit-font-smoothing: antialiased;
-  padding: 20px;
-  min-height: 100vh;
+    margin: 0;
+    min-height: 100vh;
+
+    background-color: var(--bg-body);
+
+    background-image:
+        linear-gradient(
+            rgba(15, 23, 42, 0.48),
+            rgba(15, 23, 42, 0.62)
+        ),
+        url("https://images.unsplash.com/photo-1529699211952-734e80c4d42b?q=70&w=1600&auto=format&fit=crop");
+
+    background-size: cover;
+    background-position: center;
+    background-attachment: fixed;
+
+    color: var(--text-main);
+
+    font-family:
+        Inter,
+        ui-sans-serif,
+        system-ui,
+        -apple-system,
+        BlinkMacSystemFont,
+        "Segoe UI",
+        Roboto,
+        Helvetica,
+        Arial,
+        sans-serif;
+
+    line-height: 1.5;
+
+    -webkit-font-smoothing: antialiased;
+    text-rendering: optimizeLegibility;
+
+    padding: 20px;
 }
 
-.hidden { display: none !important; }
-
-.page-shell { max-width: 1280px; margin: 0 auto; }
-
-.main-header { margin-bottom: 24px; text-align: left; }
-.main-header h1 {
-  font-size: 28px; font-weight: 800; color: #fff;
-  display: flex; align-items: center; gap: 12px;
-  text-shadow: 0 2px 10px rgba(0,0,0,0.5);
+button,
+input,
+select {
+    font: inherit;
 }
-.chess-icon { color: var(--primary); font-size: 32px; }
-
-.app-grid { display: grid; grid-template-columns: 1fr 360px; gap: 24px; align-items: start; }
-
-.panel {
-  background: var(--bg-panel);
-  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
-  border: 1px solid var(--border-subtle);
-  border-radius: var(--radius-lg); padding: 24px; box-shadow: var(--glass-shadow);
-}
-.panel-head { margin-bottom: 20px; }
-
-.label {
-  font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em;
-  font-weight: 700; color: var(--text-muted); margin-bottom: 4px;
-}
-h3 { font-size: 18px; font-weight: 600; color: #fff; }
-h2 { font-size: 20px; font-weight: 700; }
 
 button {
-  font-family: inherit; cursor: pointer; border: none; border-radius: var(--radius-sm);
-  font-weight: 600; font-size: 14px; transition: all 0.2s ease;
-  display: inline-flex; align-items: center; justify-content: center;
-  padding: 10px 16px; backdrop-filter: blur(4px);
+    cursor: pointer;
 }
+
+button:disabled {
+    cursor: not-allowed;
+    opacity: 0.55;
+}
+
+.hidden {
+    display: none !important;
+}
+
+
+/* =========================================================
+   PAGE
+========================================================= */
+
+.page-shell {
+    width: 100%;
+    max-width: var(--content-width);
+    margin: 0 auto;
+}
+
+.main-header {
+    margin-bottom: 24px;
+    text-align: left;
+}
+
+.main-header h1 {
+    margin: 0;
+
+    display: flex;
+    align-items: center;
+    gap: 12px;
+
+    font-size: clamp(24px, 3vw, 30px);
+    font-weight: 800;
+
+    color: #fff;
+
+    text-shadow:
+        0 2px 10px rgba(0, 0, 0, 0.5);
+}
+
+.chess-icon {
+    color: var(--primary);
+    font-size: 32px;
+    line-height: 1;
+}
+
+
+/* =========================================================
+   MAIN GRID
+========================================================= */
+
+.app-grid {
+    display: grid;
+    grid-template-columns: minmax(0, 1fr) 360px;
+    gap: 24px;
+    align-items: start;
+}
+
+
+/* =========================================================
+   PANELS
+========================================================= */
+
+.panel {
+    background: var(--bg-panel);
+
+    backdrop-filter: blur(14px);
+    -webkit-backdrop-filter: blur(14px);
+
+    border: 1px solid var(--border-subtle);
+    border-radius: var(--radius-lg);
+
+    padding: 24px;
+
+    box-shadow: var(--glass-shadow);
+}
+
+.panel + .panel {
+    margin-top: 20px;
+}
+
+.panel-head {
+    margin-bottom: 20px;
+}
+
+.label {
+    margin: 0 0 4px;
+
+    font-size: 12px;
+    text-transform: uppercase;
+    letter-spacing: 0.06em;
+
+    font-weight: 700;
+
+    color: var(--text-muted);
+}
+
+h2,
+h3 {
+    margin: 0;
+}
+
+h2 {
+    font-size: 20px;
+    font-weight: 700;
+}
+
+h3 {
+    font-size: 18px;
+    font-weight: 600;
+    color: var(--text-main);
+}
+
+
+/* =========================================================
+   BUTTONS
+========================================================= */
+
+button {
+    border: none;
+    border-radius: var(--radius-sm);
+
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+
+    padding: 10px 16px;
+
+    font-size: 14px;
+    font-weight: 600;
+
+    transition:
+        background-color 0.16s ease,
+        border-color 0.16s ease,
+        transform 0.16s ease,
+        box-shadow 0.16s ease;
+
+    -webkit-tap-highlight-color: transparent;
+}
+
+button:focus-visible,
+input:focus-visible,
+select:focus-visible {
+    outline: 2px solid var(--primary);
+    outline-offset: 2px;
+}
+
 .primary-button {
-  background-color: var(--primary); color: #fff; width: 100%; padding: 12px;
-  font-size: 15px; box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
+    width: 100%;
+
+    padding: 12px;
+
+    background: var(--primary);
+    color: #fff;
+
+    font-size: 15px;
+
+    box-shadow:
+        0 4px 12px rgba(16, 185, 129, 0.25);
 }
+
 .primary-button:hover {
-  background-color: var(--primary-hover); transform: translateY(-2px);
-  box-shadow: 0 6px 16px rgba(16, 185, 129, 0.4);
+    background: var(--primary-hover);
+    transform: translateY(-1px);
+
+    box-shadow:
+        0 6px 16px rgba(16, 185, 129, 0.3);
 }
-.secondary-button { background-color: var(--secondary); border: 1px solid var(--border-subtle); color: #fff; }
-.secondary-button:hover { background-color: var(--secondary-hover); }
 
-.ghost-button { background: transparent; color: #ff5c5c; border: 1px solid rgba(255, 92, 92, 0.5); width: 100%; }
-.ghost-button:hover { background: rgba(255, 92, 92, 0.15); color: #ff7676; }
-
-.icon-button { background-color: var(--secondary); border: 1px solid var(--border-subtle); color: #fff; padding: 10px; }
-.icon-button:hover { background-color: var(--secondary-hover); }
-
-.mode-switcher {
-  display: flex; background: rgba(0, 0, 0, 0.2); border-radius: var(--radius-sm);
-  padding: 4px; margin-bottom: 20px; border: 1px solid var(--border-subtle);
+.secondary-button {
+    background: var(--secondary);
+    border: 1px solid var(--border-subtle);
+    color: var(--text-main);
 }
-.mode-button { flex: 1; background: transparent; color: var(--text-muted); padding: 8px; border: none; }
-.mode-button.active { background: var(--secondary-hover); color: #fff; box-shadow: 0 2px 8px rgba(0,0,0,0.2); }
 
-.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
-.field span { font-size: 13px; font-weight: 500; color: var(--text-muted); }
-.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
-
-input[type="text"], select {
-  width: 100%; background: var(--bg-input); border: 1px solid var(--border-subtle);
-  color: #fff; padding: 12px; border-radius: var(--radius-sm); font-family: inherit;
-  font-size: 14px; outline: none; transition: all 0.2s;
+.secondary-button:hover {
+    background: var(--secondary-hover);
+    border-color: var(--border-strong);
 }
-input[type="text"]:focus, select:focus { border-color: var(--border-focus); background: rgba(15, 23, 42, 0.8); }
-input::placeholder { color: rgba(255,255,255,0.3); }
 
-.join-row { display: flex; gap: 8px; }
-.join-row input { flex: 1; }
-.muted-copy { font-size: 12px; color: var(--text-muted); margin-top: 12px; text-align: center; }
+.ghost-button {
+    width: 100%;
+
+    background: transparent;
+    color: #ff5c5c;
+
+    border: 1px solid rgba(255, 92, 92, 0.5);
+}
+
+.ghost-button:hover {
+    background: rgba(255, 92, 92, 0.12);
+    color: #ff7676;
+}
+
+.icon-button {
+    min-width: 42px;
+
+    background: var(--secondary);
+    border: 1px solid var(--border-subtle);
+
+    color: var(--text-main);
+}
+
+.icon-button:hover {
+    background: var(--secondary-hover);
+}
+
+
+/* =========================================================
+   HEADER TOOLBAR
+========================================================= */
 
 .board-toolbar {
-  display: flex; justify-content: space-between; align-items: center;
-  margin-bottom: 24px; padding-bottom: 16px; border-bottom: 1px solid var(--border-subtle);
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+
+    gap: 16px;
+
+    margin-bottom: 24px;
+    padding-bottom: 16px;
+
+    border-bottom: 1px solid var(--border-subtle);
 }
-.toolbar-actions { display: flex; gap: 8px; }
+
+.toolbar-actions {
+    display: flex;
+    gap: 8px;
+    flex-wrap: wrap;
+}
+
+
+/* =========================================================
+   MODE SWITCHER
+========================================================= */
+
+.mode-switcher {
+    display: flex;
+
+    padding: 4px;
+    margin-bottom: 20px;
+
+    background: rgba(0, 0, 0, 0.16);
+
+    border: 1px solid var(--border-subtle);
+    border-radius: var(--radius-sm);
+}
+
+.mode-button {
+    flex: 1;
+
+    padding: 8px;
+
+    background: transparent;
+    color: var(--text-muted);
+
+    border: none;
+}
+
+.mode-button.active {
+    background: var(--secondary-hover);
+    color: var(--text-main);
+
+    box-shadow:
+        0 2px 8px rgba(0, 0, 0, 0.15);
+}
+
+
+/* =========================================================
+   FORMS
+========================================================= */
+
+.field {
+    display: flex;
+    flex-direction: column;
+    gap: 8px;
+
+    margin-bottom: 20px;
+}
+
+.field span {
+    font-size: 13px;
+    font-weight: 500;
+    color: var(--text-muted);
+}
+
+.field-grid {
+    display: grid;
+    grid-template-columns: 1fr 1fr;
+    gap: 12px;
+}
+
+input[type="text"],
+select {
+    width: 100%;
+
+    background: var(--bg-input);
+
+    border: 1px solid var(--border-subtle);
+    border-radius: var(--radius-sm);
+
+    color: var(--text-main);
+
+    padding: 12px;
+
+    outline: none;
+
+    font-size: 14px;
+
+    transition:
+        border-color 0.16s ease,
+        background-color 0.16s ease;
+}
+
+input[type="text"]:focus,
+select:focus {
+    border-color: var(--border-focus);
+}
+
+input::placeholder {
+    color: rgba(255, 255, 255, 0.35);
+}
+
+.join-row {
+    display: flex;
+    gap: 8px;
+}
+
+.join-row input {
+    flex: 1;
+    min-width: 0;
+}
+
+.muted-copy {
+    margin: 12px 0 0;
+
+    font-size: 12px;
+    color: var(--text-muted);
+
+    text-align: center;
+}
+
+
+/* =========================================================
+   CHESS BOARD
+========================================================= */
 
 .board-stage {
-  width: 100%; max-width: 640px; margin: 0 auto; background: rgba(0, 0, 0, 0.2);
-  backdrop-filter: blur(8px); padding: 12px; border-radius: var(--radius-md);
-  box-shadow: inset 0 2px 10px rgba(0,0,0,0.5); border: 1px solid var(--border-subtle);
+    width: 100%;
+    max-width: 640px;
+
+    margin: 0 auto;
+
+    padding: 12px;
+
+    background: rgba(0, 0, 0, 0.18);
+
+    border: 1px solid var(--border-subtle);
+    border-radius: var(--radius-md);
+
+    box-shadow:
+        inset 0 2px 10px rgba(0, 0, 0, 0.35);
 }
 
 .board {
-  width: 100%; aspect-ratio: 1 / 1; display: grid;
-  grid-template-columns: repeat(8, 1fr); grid-template-rows: repeat(8, 1fr);
-  border: 4px solid rgba(15, 23, 42, 0.8); border-radius: var(--radius-sm); overflow: hidden;
+    width: 100%;
+    aspect-ratio: 1 / 1;
+
+    display: grid;
+
+    grid-template-columns: repeat(8, 1fr);
+    grid-template-rows: repeat(8, 1fr);
+
+    overflow: hidden;
+
+    border: 4px solid rgba(15, 23, 42, 0.8);
+    border-radius: var(--radius-sm);
+
+    contain: layout paint;
 }
 
-/* =========================================
-   ИСПРАВЛЕННЫЕ СТИЛИ ДОСКИ И ФИГУР
-========================================= */
 .square {
-  width: 100%; height: 100%; border: none; padding: 0; margin: 0;
-  display: flex; align-items: center; justify-content: center;
-  cursor: pointer; position: relative;
+    width: 100%;
+    height: 100%;
+
+    position: relative;
+
+    display: flex;
+    align-items: center;
+    justify-content: center;
+
+    padding: 0;
+    margin: 0;
+
+    border: none;
+
+    cursor: pointer;
+
+    -webkit-tap-highlight-color: transparent;
 }
 
-.square.light { background-color: var(--board-light); }
-.square.dark { background-color: var(--board-dark); }
+.square.light {
+    background-color: var(--board-light);
+}
 
-.square.selected { background-color: rgba(234, 230, 93, 0.7); }
-.square.last-move { background-color: rgba(234, 230, 93, 0.4); }
-.square.check-square { background-color: rgba(239, 68, 68, 0.6); }
+.square.dark {
+    background-color: var(--board-dark);
+}
+
+.square.selected {
+    background-color: rgba(234, 230, 93, 0.72);
+}
+
+.square.last-move {
+    background-color: rgba(234, 230, 93, 0.42);
+}
+
+.square.check-square {
+    background-color: rgba(239, 68, 68, 0.62);
+}
 
 .square.legal-target::after {
-  content: ''; width: 25%; height: 25%; border-radius: 50%;
-  background-color: rgba(0, 0, 0, 0.25); position: absolute;
+    content: "";
+
+    position: absolute;
+
+    width: 25%;
+    height: 25%;
+
+    border-radius: 50%;
+
+    background: rgba(0, 0, 0, 0.25);
+
+    pointer-events: none;
 }
+
 .square.capture-target::after {
-  content: ''; width: 80%; height: 80%; border-radius: 50%;
-  border: 5px solid rgba(0, 0, 0, 0.25); position: absolute; background: transparent;
+    content: "";
+
+    position: absolute;
+
+    width: 80%;
+    height: 80%;
+
+    border-radius: 50%;
+
+    border: 5px solid rgba(0, 0, 0, 0.25);
+
+    background: transparent;
+
+    pointer-events: none;
 }
 
 .piece {
-  font-size: clamp(28px, 6vw, 65px);
-  user-select: none; z-index: 10;
-  line-height: 1; pointer-events: none;
+    position: relative;
+    z-index: 10;
+
+    font-size: clamp(28px, 6vw, 65px);
+
+    line-height: 1;
+
+    user-select: none;
+    pointer-events: none;
 }
-.piece.white { color: #fff; text-shadow: 0 2px 4px rgba(0,0,0,0.6); }
-.piece.black { color: #000; text-shadow: 0 2px 4px rgba(255,255,255,0.4); }
+
+.piece.white {
+    color: #fff;
+
+    text-shadow:
+        0 2px 4px rgba(0, 0, 0, 0.65);
+}
+
+.piece.black {
+    color: #000;
+
+    text-shadow:
+        0 2px 4px rgba(255, 255, 255, 0.4);
+}
+
+
+/* =========================================================
+   STATUS
+========================================================= */
 
-/* =========================================
-   СТАТУС И ЧАСЫ
-========================================= */
 .status-strip {
-  display: flex; justify-content: space-between; align-items: center; margin-top: 24px;
-  padding: 16px; background: var(--bg-panel); border: 1px solid var(--border-subtle);
-  border-radius: var(--radius-md);
-}
-.status-message { font-weight: 500; font-size: 15px; }
-.status-meta { display: flex; gap: 8px; }
-.status-chip {
-  padding: 4px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; letter-spacing: 0.5px;
-}
-.turn-white { background: rgba(255, 255, 255, 0.9); color: #000; }
-.turn-black { background: rgba(0, 0, 0, 0.8); color: #fff; border: 1px solid var(--border-subtle); }
-.connection-solo { background: var(--secondary); color: #fff; }
-.connection-party { background: var(--primary); color: #fff; }
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
 
-.roster-grid { display: grid; grid-template-columns: 1fr; gap: 12px; margin-bottom: 20px; }
+    gap: 16px;
+
+    margin-top: 24px;
+    padding: 16px;
+
+    background: var(--bg-panel);
+
+    border: 1px solid var(--border-subtle);
+    border-radius: var(--radius-md);
+}
+
+.status-message {
+    margin: 0;
+
+    font-size: 15px;
+    font-weight: 500;
+}
+
+.status-meta {
+    display: flex;
+    gap: 8px;
+    flex-wrap: wrap;
+    justify-content: flex-end;
+}
+
+.status-chip {
+    padding: 4px 10px;
+
+    border-radius: 20px;
+
+    font-size: 12px;
+    font-weight: 600;
+
+    letter-spacing: 0.4px;
+}
+
+.turn-white {
+    background: rgba(255, 255, 255, 0.9);
+    color: #000;
+}
+
+.turn-black {
+    background: rgba(0, 0, 0, 0.8);
+    color: #fff;
+
+    border: 1px solid var(--border-subtle);
+}
+
+.connection-solo {
+    background: var(--secondary);
+    color: var(--text-main);
+}
+
+.connection-party {
+    background: var(--primary);
+    color: #fff;
+}
+
+
+/* =========================================================
+   PLAYERS
+========================================================= */
+
+.roster-grid {
+    display: grid;
+    grid-template-columns: 1fr;
+
+    gap: 12px;
+
+    margin-bottom: 20px;
+}
+
 .roster-card {
-  background: rgba(0, 0, 0, 0.2); padding: 12px 16px; border-radius: var(--radius-sm);
-  display: flex; flex-direction: row; justify-content: space-between; align-items: center;
-  border: 1px solid var(--border-subtle);
+    display: flex;
+    flex-direction: row;
+    justify-content: space-between;
+    align-items: center;
+
+    gap: 12px;
+
+    padding: 12px 16px;
+
+    background: rgba(0, 0, 0, 0.16);
+
+    border: 1px solid var(--border-subtle);
+    border-radius: var(--radius-sm);
+}
+
+.roster-card.white-player {
+    border-left: 4px solid rgba(255, 255, 255, 0.8);
+}
+
+.roster-card.black-player {
+    border-left: 4px solid rgba(0, 0, 0, 0.8);
+}
+
+.roster-info {
+    display: flex;
+    flex-direction: column;
+    gap: 2px;
+
+    min-width: 0;
+}
+
+.roster-role {
+    font-size: 11px;
+
+    text-transform: uppercase;
+
+    color: var(--text-muted);
+}
+
+.roster-card strong {
+    font-size: 14px;
+
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
 }
-.roster-card.white-player { border-left: 4px solid rgba(255,255,255,0.8); }
-.roster-card.black-player { border-left: 4px solid rgba(0,0,0,0.8); }
-.roster-info { display: flex; flex-direction: column; gap: 2px; }
-.roster-role { font-size: 11px; text-transform: uppercase; color: var(--text-muted); }
-.roster-card strong { font-size: 14px; }
 
 .player-clock {
-  font-family: monospace, sans-serif; font-size: 20px; font-weight: 700;
-  background: rgba(0, 0, 0, 0.4); color: var(--text-main); padding: 6px 12px;
-  border-radius: var(--radius-sm); border: 1px solid var(--border-subtle);
-  letter-spacing: 1px; transition: all 0.3s ease; min-width: 80px; text-align: center;
-}
-.player-clock.active {
-  background: rgba(16, 185, 129, 0.2); border-color: var(--primary); color: var(--primary);
-  box-shadow: 0 0 10px rgba(16, 185, 129, 0.3);
-}
-.player-clock.low { color: #ef4444; border-color: #ef4444; background: rgba(239, 68, 68, 0.1); }
+    min-width: 80px;
 
-.spectator-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
-.badge { background: var(--bg-input); border: 1px solid var(--border-subtle); padding: 2px 8px; border-radius: 12px; font-size: 11px; font-weight: 600; color: var(--text-muted); }
-.spectator-list { list-style: none; font-size: 13px; color: var(--text-muted); }
-.empty-state { font-style: italic; opacity: 0.7; }
+    padding: 6px 12px;
+
+    background: rgba(0, 0, 0, 0.4);
+
+    border: 1px solid var(--border-subtle);
+    border-radius: var(--radius-sm);
+
+    color: var(--text-main);
+
+    font-family:
+        ui-monospace,
+        SFMono-Regular,
+        Menlo,
+        Monaco,
+        Consolas,
+        monospace;
+
+    font-size: 20px;
+    font-weight: 700;
+
+    letter-spacing: 1px;
+
+    text-align: center;
+
+    transition:
+        border-color 0.2s ease,
+        background-color 0.2s ease;
+}
+
+.player-clock.active {
+    background: rgba(16, 185, 129, 0.18);
+
+    border-color: var(--primary);
+
+    color: var(--primary);
+
+    box-shadow:
+        0 0 10px rgba(16, 185, 129, 0.25);
+}
+
+.player-clock.low {
+    color: var(--danger);
+
+    border-color: var(--danger);
+
+    background: rgba(239, 68, 68, 0.1);
+}
+
+
+/* =========================================================
+   SPECTATORS
+========================================================= */
+
+.spectator-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+
+    margin-bottom: 8px;
+}
+
+.badge {
+    padding: 2px 8px;
+
+    background: var(--bg-input);
+
+    border: 1px solid var(--border-subtle);
+    border-radius: 12px;
+
+    color: var(--text-muted);
+
+    font-size: 11px;
+    font-weight: 600;
+}
+
+.spectator-list {
+    margin: 0;
+    padding: 0;
+
+    list-style: none;
+
+    font-size: 13px;
+    color: var(--text-muted);
+}
+
+.empty-state {
+    font-style: italic;
+    opacity: 0.7;
+}
+
+
+/* =========================================================
+   MODAL
+========================================================= */
 
 .modal {
-  position: fixed; inset: 0; background: rgba(0, 0, 0, 0.6); backdrop-filter: blur(6px);
-  display: flex; align-items: center; justify-content: center; z-index: 1000;
+    position: fixed;
+    inset: 0;
+
+    z-index: 1000;
+
+    display: flex;
+    align-items: center;
+    justify-content: center;
+
+    padding: 20px;
+
+    background: rgba(0, 0, 0, 0.62);
+
+    backdrop-filter: blur(6px);
+    -webkit-backdrop-filter: blur(6px);
 }
+
 .modal-card {
-  background: var(--bg-panel); backdrop-filter: blur(20px); padding: 32px;
-  border-radius: var(--radius-lg); border: 1px solid var(--border-subtle);
-  box-shadow: var(--glass-shadow); text-align: center; min-width: 300px;
+    width: min(100%, 420px);
+
+    padding: 32px;
+
+    background: var(--bg-panel);
+
+    border: 1px solid var(--border-subtle);
+    border-radius: var(--radius-lg);
+
+    box-shadow: var(--glass-shadow);
+
+    text-align: center;
 }
-.promotion-options { display: flex; gap: 16px; justify-content: center; margin-top: 24px; }
+
+.promotion-options {
+    display: flex;
+    justify-content: center;
+
+    gap: 16px;
+
+    margin-top: 24px;
+}
+
 .promotion-options button {
-  font-size: 32px; padding: 16px; background: rgba(0, 0, 0, 0.3); border: 1px solid var(--border-subtle); color: #fff;
+    padding: 16px;
+
+    background: rgba(0, 0, 0, 0.25);
+
+    border: 1px solid var(--border-subtle);
+
+    color: #fff;
+
+    font-size: 32px;
 }
-.promotion-options button:hover { background: var(--primary); border-color: var(--primary); }
+
+.promotion-options button:hover {
+    background: var(--primary);
+    border-color: var(--primary);
+}
+
+
+/* =========================================================
+   TOAST
+========================================================= */
 
 .toast-host {
-  position: fixed; bottom: 20px; right: 20px; z-index: 9999;
-  display: flex; flex-direction: column; gap: 10px;
-}
-.toast {
-  background: var(--bg-panel); backdrop-filter: blur(10px);
-  padding: 12px 20px; border-radius: var(--radius-md); border: 1px solid var(--border-subtle);
-  color: #fff; font-size: 14px; font-weight: 500; box-shadow: 0 4px 12px rgba(0,0,0,0.3);
-  animation: slide-up 0.3s ease-out;
-}
-.toast.success { border-color: var(--primary); }
-.toast.error { border-color: #ef4444; }
+    position: fixed;
 
-@keyframes slide-up { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
+    right: 20px;
+    bottom: 20px;
+
+    z-index: 9999;
+
+    display: flex;
+    flex-direction: column;
+    gap: 10px;
+
+    max-width: min(420px, calc(100vw - 40px));
+}
+
+.toast {
+    padding: 12px 20px;
+
+    background: var(--bg-panel);
+
+    border: 1px solid var(--border-subtle);
+    border-radius: var(--radius-md);
+
+    color: var(--text-main);
+
+    font-size: 14px;
+    font-weight: 500;
+
+    box-shadow:
+        0 4px 12px rgba(0, 0, 0, 0.25);
+
+    animation: slide-up 0.25s ease-out;
+}
+
+.toast.success {
+    border-color: var(--primary);
+}
+
+.toast.error {
+    border-color: var(--danger);
+}
+
+@keyframes slide-up {
+    from {
+        opacity: 0;
+        transform: translateY(8px);
+    }
+
+    to {
+        opacity: 1;
+        transform: translateY(0);
+    }
+}
+
+
+/* =========================================================
+   FOOTER
+========================================================= */
+
+.site-footer {
+    margin-top: 28px;
+    padding: 22px 8px 8px;
+
+    border-top: 1px solid var(--border-subtle);
+
+    display: flex;
+    justify-content: center;
+}
+
+.repository-link {
+    display: inline-flex;
+    align-items: center;
+    gap: 10px;
+
+    padding: 8px 12px;
+
+    color: var(--text-muted);
+
+    text-decoration: none;
+
+    border-radius: var(--radius-md);
+
+    transition:
+        color 0.16s ease,
+        background-color 0.16s ease,
+        transform 0.16s ease;
+}
+
+.repository-link:hover {
+    color: var(--text-main);
+    background: var(--secondary);
+
+    transform: translateY(-1px);
+}
+
+.repository-logo {
+    display: block;
+
+    width: 34px;
+    height: 34px;
+
+    object-fit: contain;
+
+    border-radius: 7px;
+}
+
+.repository-name {
+    font-size: 13px;
+    font-weight: 600;
+}
+
+
+/* =========================================================
+   RESPONSIVE
+========================================================= */
 
 @media (max-width: 960px) {
-  .app-grid { grid-template-columns: 1fr; }
-  .board-toolbar { flex-direction: column; gap: 16px; align-items: stretch; }
-  .toolbar-actions { justify-content: stretch; }
-  .toolbar-actions button { flex: 1; }
+
+    body {
+        padding: 14px;
+    }
+
+    .app-grid {
+        grid-template-columns: 1fr;
+    }
+
+    .board-toolbar {
+        flex-direction: column;
+        align-items: stretch;
+    }
+
+    .toolbar-actions {
+        width: 100%;
+    }
+
+    .toolbar-actions button {
+        flex: 1;
+    }
+}
+
+
+@media (max-width: 600px) {
+
+    body {
+        padding: 10px;
+    }
+
+    .main-header {
+        margin-bottom: 16px;
+    }
+
+    .main-header h1 {
+        font-size: 24px;
+    }
+
+    .chess-icon {
+        font-size: 28px;
+    }
+
+    .panel {
+        padding: 16px;
+    }
+
+    .app-grid {
+        gap: 14px;
+    }
+
+    .board-stage {
+        padding: 6px;
+    }
+
+    .board {
+        border-width: 3px;
+    }
+
+    .piece {
+        font-size: clamp(25px, 11vw, 50px);
+    }
+
+    .status-strip {
+        flex-direction: column;
+        align-items: stretch;
+    }
+
+    .status-meta {
+        justify-content: flex-start;
+    }
+
+    .field-grid {
+        grid-template-columns: 1fr;
+        gap: 0;
+    }
+
+    .toolbar-actions {
+        display: grid;
+        grid-template-columns: 1fr 1fr;
+    }
+
+    #copyInviteButton {
+        grid-column: span 2;
+    }
+
+    .join-row {
+        flex-direction: column;
+    }
+
+    .toast-host {
+        right: 10px;
+        bottom: 10px;
+
+        max-width: calc(100vw - 20px);
+    }
+}
+
+
+@media (max-width: 380px) {
+
+    .panel {
+        padding: 12px;
+    }
+
+    .toolbar-actions {
+        grid-template-columns: 1fr;
+    }
+
+    #copyInviteButton {
+        grid-column: auto;
+    }
+
+    .player-clock {
+        min-width: 70px;
+        font-size: 17px;
+    }
+}
+
+
+/* =========================================================
+   REDUCED MOTION
+========================================================= */
+
+@media (prefers-reduced-motion: reduce) {
+
+    *,
+    *::before,
+    *::after {
+        scroll-behavior: auto !important;
+        animation-duration: 0.01ms !important;
+        animation-iteration-count: 1 !important;
+        transition-duration: 0.01ms !important;
+    }
+}
+
+
+/* =========================================================
+   LOW POWER / TOUCH DEVICES
+========================================================= */
+
+@media (hover: none) {
+
+    .primary-button:hover,
+    .secondary-button:hover,
+    .ghost-button:hover,
+    .icon-button:hover,
+    .repository-link:hover {
+        transform: none;
+    }
 }