:root {
    --bg0: #0b1220;
    --bg1: #0f1b2d;
    --card: rgba(255,255,255,.06);
    --card2: rgba(255,255,255,.10);
    --text: #e9eefc;
    --muted: rgba(233,238,252,.65);
    --accent: #7c5cff; /* purple accent */
    --good: #ffd84d; /* yellow-ish number */
    --shadow: 0 18px 50px rgba(0,0,0,.45);
    --radius: 20px;
    --separator: rgba(255,255,255,.1);
    --cell-bg: rgba(0,0,0,.25)
}

/* Global base */
html, body {
    height: 100%;
    margin: 0;
    font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji","Segoe UI Emoji";
    color: var(--text);
}

body {
    display: flex;
    flex-direction: column; /* prevent horizontal shrink */
    min-height: 100vh;
    width: 100vw; /* ensure full viewport width */
    align-items: center;
    justify-content: center;
    padding: 32px 16px;
    background: linear-gradient(90deg, #06102a 0%, #020a1b 50%, #06102a 100%), linear-gradient(180deg, #0c1422 0%, #0e192a 100%);
}

/* Card container */
.card {
    display: block;
    width: fit-content;
    min-height: 400px;
    background: linear-gradient(180deg, var(--card), rgba(255,255,255,.03));
    border: 1px solid rgba(255,255,255,.10);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 28px 26px;
    backdrop-filter: blur(10px);
    text-align: center;
}

.title{
  font-size: 34px;
  letter-spacing: .4px;
  color: rgba(150,155,170);
  font-weight: 600;
  align-self:center;
}

.value {
    font-size: 92px;
    line-height: 1;
    margin: 8px 0 18px;
    font-weight: 750;
    color: rgb(var(--dynamic-text-color, var(--good-rgb, 255,216,77)));
    text-shadow: 0 10px 30px rgba(255,216,77,.10);
    min-height: 92px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  border: 0;
  border-radius: 14px;
  padding: 12px 18px;
  font-weight: 650;
  cursor:pointer;
  background: linear-gradient(135deg, var(--accent), #4da3ff);
  color: white;
  box-shadow: 0 14px 35px rgba(124,92,255,.25);
  max-width: 100px;
  transform: translateY(0);
  transition: transform .12s ease, box-shadow .12s ease, filter .12s ease;
}
.btn:hover{
  transform: translateY(-1px);
  filter: brightness(1.03);
  box-shadow: 0 18px 45px rgba(124,92,255,.30);
}
.btn:active{
  transform: translateY(1px);
  box-shadow: 0 10px 25px rgba(124,92,255,.20);
}

.divider{
  height: 1px;
  background: rgba(255,255,255,.10);
  margin: 22px 0;
}

.label{
  color: var(--muted);
  font-size: 14px;
  letter-spacing: .35px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.avg {
    font-size: 44px;
    font-weight: 750;
    color: rgb(var(--dynamic-text-color, var(--good-rgb, 255,216,77)));
    min-height: 66px;
}

.hint{
  margin-top: 16px;
  color: rgba(233,238,252,.55);
  font-size: 13px;
}

.lbl {
    color: white;
    font-size: 12px;
    font-weight: 650;
    margin: 0 auto 18px;
}

.stats-bar {
    display: flex;
    justify-content: center;
    gap: 16px;
    color: white;
    font-size: 12px;
    font-weight: 650;
    margin: 0 auto 18px;
}

.lbl-green {
    color: #00bb33;
}

.lbl-yellow {
    color: #bbbb33;
}

/* Cell canvas: single <canvas> element replaces thousands of divs */
.cell-canvas {
    display: block;
    margin: 0 auto 18px;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
}

/* ── Figma Login Card ── */
.demo-bg-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    z-index: 0;
    pointer-events: none;
    border-radius: inherit;
}

.login-card {
    position: relative;
    z-index: 1;
    overflow: hidden;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    padding: 40px 40px 40px 40px;
    width: 360px;
    height: 360px;
    background: rgba(28, 37, 56, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

.login-title {
    width: 280px;
    font-size: 24px;
    font-weight: 590;
    height: 50px;
    text-align: center;
    color: rgba(229, 231, 235, 0.75);
    margin: 0 auto;
    position: relative;
    z-index: 1;
    border-radius: 10px;
    padding: 6px 12px;
    backdrop-filter: blur(5px);
    text-shadow: 0 1px 8px rgba(0, 0, 0, 0.8);
}

.login-controls {
    width: 280px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    margin-top: 10px;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 280px;
}

.login-input-wrap {
    width: 280px;
}

.login-input {
    box-sizing: border-box;
    display: flex;
    align-items: center;
    padding: 6px 10px;
    width: 280px;
    height: 50px;
    background: rgba(12, 21, 36, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    font-style: italic;
    font-weight: 276;
    font-size: 14px;
    backdrop-filter: blur(3px);
    color: rgba(255, 255, 255, 0.25);
}

.login-input::placeholder {
    color: rgba(255, 255, 255, 0.25);
    font-style: italic;
}

.login-input:focus {
    outline: none;
    border-color: rgba(124, 92, 255, 0.7);
}

.login-signin-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 280px;
    height: 50px;
    background: linear-gradient(90deg, rgba(121, 96, 255, 0.8) 0%, rgba(81, 157, 255, 0.8) 100%);
    box-shadow: 0px 8px 60px rgba(124, 77, 255, 0.15), 0px 8px 24px rgba(124, 77, 255, 0.25);
    border-radius: 12px;
    border: none;
    font-weight: 860;
    font-size: 16px;
    color: #FFFFFF;
    backdrop-filter: blur(3px);
    cursor: pointer;
    transition: filter .12s ease, transform .1s ease;
}

.login-signin-btn:hover {
    filter: brightness(1.08);
    transform: translateY(-1px);
}

.login-register-zone {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 15px;
    width: 280px;
    height: 40px;
}

.login-register-btn {
    box-sizing: border-box;
    display: flex;
    justify-content: center;
    align-items: center;
    flex: 1;
    height: 40px;
    background: rgba(50, 75, 100, 0.4);
    border: 1px solid rgba(129, 194, 255, 0.15);
    border-radius: 10px;
    font-weight: 590;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(3px);
    cursor: pointer;
    transition: background .15s ease;
}

.login-register-btn:hover {
    background: rgba(129, 194, 255, 0.18);
}

.login-google-btn {
    box-sizing: border-box;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    padding: 8px 9px;
    background: rgba(50, 75, 100, 0.4);
    border: 1px solid rgba(129, 194, 255, 0.15);
    backdrop-filter: blur(3px);
    border-radius: 10px;
    cursor: pointer;
    transition: background .15s ease;
}

.login-google-btn:hover {
    background: rgba(129, 194, 255, 0.18);
}

/* ── end Login Card ── */

.card-guest {
    position: relative;
    width: 400px;
    height: 480px;
    min-height: 320px;
    padding: 0;
    overflow: hidden;
    background: rgba(24, 33, 48, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(2.5px);
}

.card-guest-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    border-radius: inherit;
}

.card-guest-content {
    position: relative;
    z-index: 1;
    min-height: 480px;
    width: 100%;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: 26px;
}

.card-guest-content .title {
    margin: 4px 0 0;
    font-size: 36px;
    line-height: 43px;
    font-weight: 590;
    letter-spacing: 0;
    color: rgba(229, 231, 235, 0.8);
    text-align: left;
}

.card-guest-spacer {
    flex: 1;
}

.auth-card {
    width: 400px;
    min-height: auto;
    text-align: left;
}

.auth-card .title {
    margin: 4px 0 16px;
    font-size: 34px;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.auth-label {
    color: var(--muted);
    font-size: 12px;
    font-weight: 600;
}

.auth-input {
    border: 1px solid rgba(255,255,255,.16);
    border-radius: 10px;
    background: rgba(12, 20, 35, .85);
    color: var(--text);
    padding: 10px 12px;
    font-size: 14px;
}

.auth-input:focus {
    outline: none;
    border-color: rgba(124,92,255,.8);
    box-shadow: 0 0 0 2px rgba(124,92,255,.2);
}

.auth-submit {
    margin-top: 10px;
    max-width: none;
    width: 100%;
}

.auth-divider {
    height: 1px;
    background: var(--separator);
    margin: 18px 0 14px;
}

.auth-google-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 10px 16px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    background: var(--card2);
    border: 1px solid rgba(255, 255, 255, .12);
    cursor: pointer;
    transition: background .15s ease, transform .1s ease;
}

.auth-google-btn:hover {
    background: rgba(255,255,255,.15);
    transform: translateY(-1px);
}

.auth-switch {
    margin: 16px 0 0;
    color: var(--muted);
    font-size: 13px;
    text-align: center;
}

.auth-switch a {
    color: #81c2ff;
    text-decoration: none;
}

.auth-switch a:hover {
    text-decoration: underline;
}

.auth-error {
    background: rgba(180, 38, 38, .25);
    border: 1px solid rgba(255, 99, 99, .35);
    color: #ffd2d2;
    border-radius: 10px;
    padding: 8px 10px;
    margin-bottom: 12px;
    font-size: 13px;
}

/* Keep existing Blazor defaults (optional) */
a, .btn-link { color: #006bb7; }
.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}
.content { padding-top: 1.1rem; }
h1:focus { outline: none; }
.valid.modified:not([type=checkbox]) { outline: 1px solid #26b050; }
.invalid { outline: 1px solid #e51620; }
.validation-message { color: #e51620; }
.blazor-error-boundary {
  background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
  padding: 1rem 1rem 1rem 3.7rem;
  color: white;
}
.blazor-error-boundary::after { content: "An error has occurred." }

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}
.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
  text-align: start;
}

.badge-xxl {
    font-size: 160px;
    line-height: 1;
    padding: 0.25em 0.4em;
    border-radius: 0.35rem;
    display: inline-block;
    /* Use CSS variable for the red channel */
    color: rgb(var(--label-color, 128, 0, 0));
}

.badge-xl {
    font-size: 80px;
    line-height: 1;
    padding: 0.125em 0.2em;
    border-radius: 0.35rem;
    display: inline-block;
    /* Use CSS variable for the red channel */
    color: rgb(var(--label-color, 128, 128, 200));
}


.random-number-container {
    min-height: 250px;
}