/* ================================================================
   TECHNODAT DESIGN SYSTEM  |  מערכת עיצוב טכנודע
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Heebo:wght@300;400;500;600;700;800;900&family=Orbitron:wght@400;500;600;700;800;900&display=swap');

/* ── Variables ── */
:root {
  --bg-0: #03031a;
  --bg-1: #07071f;
  --bg-2: #0d0d2b;
  --bg-3: #121235;
  --glass: rgba(13, 20, 55, 0.65);
  --glass-border: rgba(240,180,41,.12);
  --glass-border-hover: rgba(240,180,41,.35);

  --cyan:        #F0B429;
  --cyan-dark:   #C8922A;
  --violet:      #7c3aed;
  --violet-light:#a855f7;
  --orange:      #ff6500;

  --idle:     #546e7a;   --idle-glow:     rgba(84,110,122,.25);
  --running:  #00e676;   --running-glow:  rgba(0,230,118,.25);   /* ירוק */
  --setup:    #ffc107;   --setup-glow:    rgba(255,193,7,.25);    /* צהוב */
  --boarding: #2196f3;   --boarding-glow: rgba(33,150,243,.25);  /* כחול */
  --closed:   #f44336;   --closed-glow:   rgba(244,67,54,.25);
  --break:    #ff9800;   --break-glow:    rgba(255,152,0,.25);   /* כתום הפסקה */

  --text-100: #ffffff;
  --text-200: #e2e8f0;
  --text-300: #94a3b8;
  --text-400: #64748b;
  --text-500: #334155;

  --font-body:    'Heebo', Arial, sans-serif;
  --font-display: 'Orbitron', 'Courier New', monospace;

  --r-sm: 8px;  --r-md: 14px;  --r-lg: 20px;  --r-xl: 28px;

  --shadow-card: 0 8px 32px rgba(0,0,0,.45);
  --shadow-cyan: 0 0 28px rgba(240,180,41,.18);
  --bg-glow:    rgba(240,180,41,.09);
}

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

html { direction: rtl; scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg-0);
  color: var(--text-200);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.65;
}

/* ── Layered background ── */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 80% 55% at 15% -5%,  rgba(124,58,237,.14) 0%, transparent 60%),
    radial-gradient(ellipse 65% 45% at 85% 105%, var(--bg-glow)       0%, transparent 60%),
    radial-gradient(ellipse 50% 35% at 50% 50%,  rgba(7,7,31,.6)      0%, transparent 80%);
}

/* Hex grid */
body::after {
  content: '';
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='98'%3E%3Cpath d='M28 66L0 49V17L28 0l28 17v32L28 66zm0 32L0 81V49l28 17 28-17v32L28 98z' fill='none' stroke='rgba(240%2C180%2C41%2C0.05)' stroke-width='1'/%3E%3C/svg%3E");
}

.page-content { position: relative; z-index: 1; }

/* ── Typography ── */
h1,h2,h3,h4 { font-weight: 700; line-height: 1.2; }
a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

.font-display { font-family: var(--font-display); }

/* ── Layout ── */
.container        { max-width:1200px; margin:0 auto; padding:0 24px; }
.container--narrow{ max-width:640px;  margin:0 auto; padding:0 24px; }
.container--wide  { max-width:1600px; margin:0 auto; padding:0 24px; }

/* ── Navbar ── */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(3,3,26,.92);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--glass-border);
  padding: 10px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.navbar__brand { display:flex; align-items:center; gap:12px; text-decoration:none; }
.navbar__logo  { height:38px; width:auto; }
.navbar__title { font-size:1.05rem; font-weight:800; color:var(--cyan);
                 text-shadow:0 0 12px rgba(240,180,41,.5); }
.navbar__subtitle { font-size:.7rem; color:var(--text-400); }
.navbar__nav   { display:flex; gap:6px; align-items:center; flex-wrap:wrap; }
.nav-link {
  color:var(--text-300); font-size:.82rem; padding:6px 14px;
  border-radius:var(--r-sm); border:1px solid transparent; transition:.2s;
}
.nav-link:hover, .nav-link.active {
  color:var(--cyan); border-color:var(--glass-border);
  background:rgba(240,180,41,.06); text-decoration:none;
}

/* ── Page Header ── */
.page-header { padding:48px 0 36px; text-align:center; }
.page-header__logo    { height:60px; width:auto; margin-bottom:16px; filter:drop-shadow(0 0 16px rgba(240,180,41,.35)); }
.page-header__title   {
  font-size:2.2rem; font-weight:900; margin-bottom:8px;
  background:linear-gradient(135deg,var(--cyan),var(--violet-light));
  -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text;
}
.page-header__subtitle { color:var(--text-300); font-size:1rem; }

/* ── Cards ── */
.card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  padding: 24px;
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-card);
  transition: border-color .25s, box-shadow .25s;
}
.card:hover          { border-color:var(--glass-border-hover); }
.card--glow          { box-shadow:var(--shadow-card),var(--shadow-cyan); }
.card--sm            { padding:16px; border-radius:var(--r-md); }

/* Status top-bar on station cards */
.station-card { position:relative; overflow:hidden; }
.station-card::before {
  content:''; position:absolute; top:0; right:0; left:0; height:3px;
  transition: background .4s, box-shadow .4s;
}
.station-card.status-idle::before     { background:var(--idle); }
.station-card.status-boarding::before { background:var(--boarding); box-shadow:0 0 12px var(--boarding); }
.station-card.status-running::before  { background:var(--running);  box-shadow:0 0 12px var(--running);  }
.station-card.status-setup::before    { background:var(--setup);    box-shadow:0 0 12px var(--setup);    }
.station-card.status-closed::before   { background:var(--closed);   box-shadow:0 0 12px var(--closed);   }

/* ── Buttons ── */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family:var(--font-body); font-size:1rem; font-weight:700;
  padding:12px 24px; border-radius:var(--r-md); border:none;
  cursor:pointer; transition:all .2s; text-decoration:none;
  white-space:nowrap; user-select:none; letter-spacing:.02em;
}
.btn:disabled   { opacity:.38; cursor:not-allowed !important; transform:none !important; }
.btn:active:not(:disabled) { transform:scale(.97); }

.btn--primary {
  background:linear-gradient(135deg,var(--cyan-dark),var(--cyan));
  color:var(--bg-0);
}
.btn--primary:hover:not(:disabled) {
  transform:translateY(-2px); box-shadow:0 10px 28px rgba(240,180,41,.38);
}
.btn--secondary {
  background:var(--glass); color:var(--text-200); border:1px solid var(--glass-border);
}
.btn--secondary:hover:not(:disabled) {
  border-color:var(--cyan); color:var(--cyan); background:rgba(240,180,41,.07);
}
.btn--danger {
  background:linear-gradient(135deg,#b71c1c,var(--closed)); color:#fff;
}
.btn--danger:hover:not(:disabled) {
  transform:translateY(-2px); box-shadow:0 10px 28px rgba(244,67,54,.38);
}
.btn--warning {
  background:linear-gradient(135deg,#e65100,var(--setup)); color:var(--bg-0);
}
.btn--warning:hover:not(:disabled) {
  transform:translateY(-2px); box-shadow:0 10px 28px rgba(255,193,7,.3);
}
.btn--success {
  background:linear-gradient(135deg,#1b5e20,var(--running)); color:var(--bg-0);
}
.btn--success:hover:not(:disabled) {
  transform:translateY(-2px); box-shadow:0 10px 28px rgba(0,230,118,.38);
}
.btn--ghost {
  background:transparent; color:var(--text-300); border:1px solid var(--glass-border);
}
.btn--ghost:hover:not(:disabled) { color:var(--text-100); border-color:var(--text-300); }

.btn--lg  { font-size:1.2rem;  padding:16px 36px; border-radius:var(--r-lg); }
.btn--xl  { font-size:1.45rem; padding:22px 44px; border-radius:var(--r-xl); width:100%; min-height:76px; }
.btn--xxl { font-size:1.8rem;  padding:28px 48px; border-radius:var(--r-xl); width:100%; min-height:100px; }
.btn--sm  { font-size:.85rem;  padding:7px 16px;  border-radius:var(--r-sm); }
.btn--icon{ width:40px; height:40px; padding:0; border-radius:50%; }

/* ── Status Badge ── */
.badge {
  display:inline-flex; align-items:center; gap:6px;
  padding:4px 14px; border-radius:100px; font-size:.78rem; font-weight:700;
  border:1px solid currentColor; white-space:nowrap;
}
.badge-dot { width:8px; height:8px; border-radius:50%; background:currentColor; flex-shrink:0; }

.badge--idle     { color:var(--idle);     background:var(--idle-glow);     }
.badge--boarding { color:var(--boarding); background:var(--boarding-glow); }
.badge--running  { color:var(--running);  background:var(--running-glow);  }
.badge--setup    { color:var(--setup);    background:var(--setup-glow);    }
.badge--closed   { color:var(--closed);   background:var(--closed-glow);   }
.badge--break    { color:var(--break);    background:var(--break-glow);    }

/* Pulsing dot for active states */
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.65;transform:scale(1.4)} }
.badge--boarding .badge-dot { animation:pulse 1.8s ease-in-out infinite; }
.badge--running  .badge-dot { animation:pulse 2s   ease-in-out infinite; }
.badge--setup    .badge-dot { animation:pulse 2.5s ease-in-out infinite; }

/* ── Timer Display ── */
.timer-display {
  font-family:var(--font-display); font-size:4.5rem; font-weight:700;
  letter-spacing:4px; color:var(--text-100);
  text-shadow:0 0 24px rgba(240,180,41,.35);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
  display: block; width: 100%; text-align: center;
}
.timer-display--large  { font-size:6.5rem; }
.timer-display--medium { font-size:3rem;  }
.timer-display--warn   { color:var(--setup);  text-shadow:0 0 24px rgba(255,193,7,.5); }
.timer-display--danger { color:var(--closed); text-shadow:0 0 24px rgba(244,67,54,.5);
                         animation:blink .8s step-start infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.25} }

/* ── Progress Bar ── */
.progress { height:6px; background:rgba(255,255,255,.07); border-radius:100px; overflow:hidden; }
.progress__fill {
  height:100%; border-radius:100px; transition:width 1s linear;
}
.progress__fill--running  { background:linear-gradient(90deg,#1b5e20,var(--running)); }
.progress__fill--boarding { background:linear-gradient(90deg,var(--cyan-dark),var(--boarding)); }
.progress__fill--setup    { background:linear-gradient(90deg,#e65100,var(--setup)); }

/* ── Forms ── */
.form-group { margin-bottom:20px; }
.form-label { display:block; font-size:.875rem; font-weight:600; color:var(--text-300); margin-bottom:8px; }
.form-input, .form-select, .form-textarea {
  width:100%; padding:11px 16px;
  background:rgba(255,255,255,.04); border:1px solid var(--glass-border);
  border-radius:var(--r-md); color:var(--text-200);
  font-family:var(--font-body); font-size:.95rem;
  transition:border-color .2s,box-shadow .2s; direction:rtl;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline:none; border-color:var(--cyan); box-shadow:0 0 0 3px rgba(240,180,41,.1);
}
.form-input::placeholder { color:var(--text-400); }
.form-select { cursor:pointer; background-color:var(--bg-2); }
.form-textarea { resize:vertical; min-height:80px; }
.form-hint { font-size:.78rem; color:var(--text-400); margin-top:6px; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; }

/* ── Grid ── */
.grid      { display:grid; gap:20px; }
.grid--2   { grid-template-columns:repeat(2,1fr); }
.grid--3   { grid-template-columns:repeat(3,1fr); }
.grid--4   { grid-template-columns:repeat(4,1fr); }
.grid--auto{ grid-template-columns:repeat(auto-fill,minmax(290px,1fr)); }

/* ── Divider ── */
.divider { height:1px; background:var(--glass-border); margin:24px 0; }

/* ── Alerts ── */
.alert {
  padding:14px 18px; border-radius:var(--r-md);
  display:flex; align-items:flex-start; gap:12px; margin-bottom:14px;
  font-size:.9rem;
}
.alert--info    { background:rgba(33,150,243,.1);  border:1px solid rgba(33,150,243,.3);  color:#90caf9; }
.alert--warning { background:rgba(255,193,7,.1);   border:1px solid rgba(255,193,7,.3);   color:#ffe082; }
.alert--success { background:rgba(0,230,118,.1);   border:1px solid rgba(0,230,118,.3);   color:#a5d6a7; }
.alert--error   { background:rgba(244,67,54,.1);   border:1px solid rgba(244,67,54,.3);   color:#ef9a9a; }

/* ── Loading ── */
.loading { display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;min-height:200px;color:var(--text-300); }
.spinner { width:48px;height:48px;border:3px solid rgba(240,180,41,.12);border-top-color:var(--cyan);border-radius:50%;animation:spin .75s linear infinite; }
@keyframes spin { to{transform:rotate(360deg)} }

/* ── Toast ── */
#toast-container {
  position:fixed; bottom:28px; left:50%; transform:translateX(-50%);
  z-index:9999; display:flex; flex-direction:column; gap:8px; align-items:center;
  pointer-events:none;
}
.toast {
  background:var(--bg-3); border:1px solid var(--glass-border);
  color:var(--text-200); padding:11px 24px; border-radius:100px;
  font-size:.875rem; font-weight:600; box-shadow:var(--shadow-card);
  animation:toast-in .25s ease-out;
}
.toast--success { border-color:var(--boarding); color:var(--boarding); }
.toast--error   { border-color:var(--closed);   color:var(--closed);   }
.toast--warning { border-color:var(--setup);    color:var(--setup);    }
@keyframes toast-in { from{opacity:0;transform:translateY(14px)} to{opacity:1;transform:translateY(0)} }

/* ── Modal ── */
.modal-overlay {
  position:fixed;inset:0;background:rgba(3,3,26,.88);backdrop-filter:blur(10px);
  display:flex;align-items:center;justify-content:center;z-index:1000;padding:24px;
  animation:fade-in .2s ease;
}
.modal {
  background:var(--bg-2);border:1px solid var(--glass-border);
  border-radius:var(--r-xl);padding:32px;width:100%;max-width:500px;
  box-shadow:var(--shadow-card),0 0 60px rgba(240,180,41,.12);
  animation:scale-in .2s ease;
}
.modal__title  { font-size:1.4rem;font-weight:800;margin-bottom:24px;color:var(--text-100); }
.modal__footer { display:flex;gap:12px;justify-content:flex-start;margin-top:24px; }
@keyframes fade-in  { from{opacity:0}          to{opacity:1} }
@keyframes scale-in { from{opacity:0;transform:scale(.94)} to{opacity:1;transform:scale(1)} }

/* ── Offline Banner ── */
#offline-banner {
  position:fixed;top:0;left:0;right:0;
  background:var(--closed);color:#fff;text-align:center;
  padding:7px;font-size:.85rem;font-weight:700;z-index:9998;
  transform:translateY(-100%);transition:transform .3s;
}
#offline-banner.visible { transform:translateY(0); }

/* ── Extend time buttons ── */
.btn--extend {
  background: rgba(0, 230, 118, 0.1);
  color: #6effa8;
  border: 1px solid rgba(0, 230, 118, 0.25);
}
.btn--extend:hover:not(:disabled) {
  background: rgba(0, 230, 118, 0.2);
  border-color: rgba(0, 230, 118, 0.5);
  color: #a8ffc8;
  transform: translateY(-1px);
}

/* ── Scrollbar ── */
::-webkit-scrollbar       { width:5px; }
::-webkit-scrollbar-track { background:var(--bg-0); }
::-webkit-scrollbar-thumb { background:var(--bg-3);border-radius:3px; }
::-webkit-scrollbar-thumb:hover { background:var(--text-400); }

/* ── Utilities ── */
.text-center  { text-align:center; }
.text-muted   { color:var(--text-300); }
.text-small   { font-size:.85rem; }
.text-large   { font-size:1.2rem; }
.mt-8  { margin-top:8px;  } .mb-8  { margin-bottom:8px;  }
.mt-16 { margin-top:16px; } .mb-16 { margin-bottom:16px; }
.mt-24 { margin-top:24px; } .mb-24 { margin-bottom:24px; }
.mt-32 { margin-top:32px; } .mb-32 { margin-bottom:32px; }
.flex  { display:flex; } .flex-col { flex-direction:column; }
.items-center { align-items:center; } .justify-between { justify-content:space-between; }
.gap-8  { gap:8px; } .gap-12 { gap:12px; } .gap-16 { gap:16px; }
.w-full { width:100%; }
.hidden { display:none !important; }

/* ── Floor section headers ── */
.floor-section-header {
  grid-column: 1 / -1; width: 100%;
  display: flex; align-items: center; gap: 12px;
  padding: 12px 20px 12px 16px;
  margin: 20px 0 6px;
  background: linear-gradient(to left, rgba(240,180,41,.03), rgba(240,180,41,.09));
  border: 1px solid rgba(240,180,41,.2);
  border-right: 4px solid var(--cyan);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  font-size: 1rem; font-weight: 900; letter-spacing: .02em;
  color: var(--text-100);
  text-shadow: 0 0 18px rgba(240,180,41,.25);
  user-select: none; box-sizing: border-box;
}
.floor-section-header:first-child { margin-top: 4px; }

/* ── Theme Controls ── */
.theme-controls {
  display: flex; align-items: center; gap: 10px;
}
.theme-toggle {
  width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid var(--glass-border); background: var(--glass);
  cursor: pointer; font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center;
  transition: .2s; flex-shrink: 0; line-height: 1;
}
.theme-toggle:hover { border-color: var(--cyan); background: rgba(240,180,41,.1); transform: scale(1.1); }
.accent-swatches { display: flex; gap: 5px; align-items: center; }
.accent-swatch {
  width: 20px; height: 20px; border-radius: 50%; cursor: pointer;
  border: 2px solid transparent; transition: .15s; flex-shrink: 0;
}
.accent-swatch:hover  { transform: scale(1.25); border-color: rgba(255,255,255,.65); }
.accent-swatch.active { border-color: #fff; transform: scale(1.2); box-shadow: 0 0 8px rgba(255,255,255,.5); }
[data-theme="light"] .accent-swatch:hover  { border-color: rgba(0,0,0,.45); }
[data-theme="light"] .accent-swatch.active { border-color: rgba(0,0,0,.6); box-shadow: 0 0 6px rgba(0,0,0,.2); }

/* ── Accent Color Themes ── */
[data-accent="red"] {
  --cyan: #f44336; --cyan-dark: #d32f2f;
  --bg-glow: rgba(244,67,54,.09);
  --bg-0: #1a0503; --bg-1: #1f0707; --bg-2: #23090a; --bg-3: #280d0f;
}
[data-accent="green"] {
  --cyan: #00e676; --cyan-dark: #00c853;
  --bg-glow: rgba(0,230,118,.09);
  --bg-0: #021a08; --bg-1: #051f0a; --bg-2: #09230d; --bg-3: #0d2812;
}
[data-accent="orange"] {
  --cyan: #ff9800; --cyan-dark: #e65100;
  --bg-glow: rgba(255,152,0,.09);
  --bg-0: #1a0c00; --bg-1: #1f1202; --bg-2: #231505; --bg-3: #281b08;
}
[data-accent="purple"] {
  --cyan: #7c4dff; --cyan-dark: #5e35b1;
  --bg-glow: rgba(124,77,255,.09);
  --bg-0: #0a031a; --bg-1: #0d071f; --bg-2: #110b23; --bg-3: #150f28;
}
[data-accent="pink"] {
  --cyan: #f06292; --cyan-dark: #c2185b;
  --bg-glow: rgba(240,98,146,.09);
  --bg-0: #1a020e; --bg-1: #1f0714; --bg-2: #230b19; --bg-3: #280f1f;
}

/* ── Light Mode ── */
[data-theme="light"] {
  --bg-0: #f0f3ff;
  --bg-1: #e9ecf8;
  --bg-2: #dde3f2;
  --bg-3: #d2d9ec;
  --glass: rgba(255,255,255,.82);
  --glass-border: rgba(20,30,80,.12);
  --glass-border-hover: rgba(20,30,80,.28);
  --text-100: #060a14;
  --text-200: #111827;
  --text-300: #2e3d58;
  --text-400: #526080;
  --text-500: #7e90a8;
  --shadow-card: 0 4px 20px rgba(20,30,80,.1);
  --shadow-cyan: 0 0 20px rgba(240,180,41,.08);
}
[data-theme="light"] body::before { opacity: .3; }
[data-theme="light"] body::after  { opacity: .12; }
[data-theme="light"] .navbar { background: rgba(235,240,255,.95); border-bottom-color: rgba(20,30,80,.1); }
[data-theme="light"] .progress { background: rgba(0,0,0,.1); }
[data-theme="light"] .modal-overlay { background: rgba(220,225,248,.88); }
[data-theme="light"] .modal { background: var(--bg-1); }
[data-theme="light"] .form-input,
[data-theme="light"] .form-select,
[data-theme="light"] .form-textarea {
  background: rgba(255,255,255,.9); border-color: rgba(20,30,80,.15); color: var(--text-200);
}
[data-theme="light"] .form-select { background-color: #fff; }
[data-theme="light"] .toast { background: var(--bg-2); }
[data-theme="light"] .btn--extend {
  color: #2e7d32; border-color: rgba(46,125,50,.35); background: rgba(46,125,50,.08);
}
[data-theme="light"] .btn--extend:hover:not(:disabled) {
  color: #1b5e20; border-color: rgba(46,125,50,.55); background: rgba(46,125,50,.14);
}
[data-theme="light"] .btn--reduce {
  color: #c62828; border-color: rgba(198,40,40,.35); background: rgba(198,40,40,.08);
}
[data-theme="light"] .btn--reduce:hover:not(:disabled) {
  color: #b71c1c; border-color: rgba(183,28,28,.55); background: rgba(183,28,28,.14);
}
[data-theme="light"] ::-webkit-scrollbar-track { background: var(--bg-0); }
[data-theme="light"] ::-webkit-scrollbar-thumb { background: var(--bg-3); }

/* ── Auto-hide navbar (hover to reveal) ── */
.nav-sentinel {
  position: fixed; top: 0; left: 0; right: 0;
  height: 8px; z-index: 201; cursor: default;
  background: linear-gradient(to bottom, rgba(240,180,41,.18), transparent);
  transition: background .3s;
}
.nav-sentinel:hover { background: linear-gradient(to bottom, rgba(240,180,41,.35), transparent); }

.navbar--autohide {
  position: fixed !important; top: 0; left: 0; right: 0; z-index: 200;
  transform: translateY(-100%); opacity: 0;
  transition: transform .32s cubic-bezier(.4,0,.2,1), opacity .32s ease;
  pointer-events: none;
}
.navbar--autohide.nav-visible {
  transform: translateY(0); opacity: 1;
  pointer-events: auto;
}

/* Board-only swatch strip */
.board-swatch-bar {
  display: flex; align-items: center; justify-content: center; gap: 14px;
  padding: 10px 28px;
  background: rgba(3,3,26,.92); backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--glass-border);
}
.board-swatch-bar .accent-swatch { width: 24px; height: 24px; }

/* ── Responsive ── */
@media(max-width:900px)  { .grid--3,.grid--4{grid-template-columns:repeat(2,1fr);} }
@media(max-width:600px)  {
  .grid--2,.grid--3,.grid--4{grid-template-columns:1fr;}
  .navbar__nav{display:none;}
  .theme-controls{gap:6px;}
  .accent-swatch{width:17px;height:17px;}
  .form-row{grid-template-columns:1fr;}
  .timer-display{font-size:3rem;} .timer-display--large{font-size:4.5rem;}
  .container,.container--narrow{padding:0 16px;}
  .card{padding:16px;}
}