:root {
    --bg: #f4f6f8;
    --bg-soft: #eef2f3;
    --surface: #ffffff;
    --surface-soft: #f8fafb;
    --surface-warm: #fff4f1;
    --ink: #18191b;
    --muted: #68707a;
    --muted-strong: #4d5560;
    --line: rgba(24, 25, 27, 0.1);
    --line-strong: rgba(24, 25, 27, 0.16);
    --red: #d71920;
    --red-dark: #9f171d;
    --coral: #f05a43;
    --gold: #ffc857;
    --teal: #117b76;
    --green: #1a8a62;
    --shadow-sm: 0 10px 24px rgba(24, 25, 27, 0.08);
    --shadow-md: 0 18px 44px rgba(24, 25, 27, 0.1);
    --shadow-red: 0 18px 34px rgba(215, 25, 32, 0.22);
    --radius-lg: 18px;
    --radius-md: 14px;
    --radius-sm: 10px;
    --font-display: "Bahnschrift SemiBold", "Arial Black", "Segoe UI", sans-serif;
    --font-body: "Bahnschrift", "Segoe UI Variable Text", "Segoe UI", sans-serif;
}

* {
    box-sizing: border-box;
}

html,
body {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    background:
        radial-gradient(circle at 10% 8%, rgba(255, 200, 87, 0.2), transparent 26rem),
        radial-gradient(circle at 88% 12%, rgba(17, 123, 118, 0.13), transparent 24rem),
        linear-gradient(180deg, #ffffff 0%, var(--bg) 54%, #e8edf0 100%);
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

button,
input {
    font: inherit;
}

button {
    cursor: pointer;
}

button:focus-visible,
input:focus-visible {
    outline: 3px solid rgba(215, 25, 32, 0.24);
    outline-offset: 2px;
}

button:disabled {
    cursor: not-allowed;
}

.background {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.halo {
    position: absolute;
    border-radius: 999px;
    filter: blur(28px);
    opacity: 0.55;
}

.halo-a {
    width: 28rem;
    height: 28rem;
    top: -10rem;
    right: -8rem;
    background: rgba(255, 121, 84, 0.26);
}

.halo-b {
    width: 24rem;
    height: 24rem;
    left: -9rem;
    bottom: -8rem;
    background: rgba(17, 123, 118, 0.18);
}

.mesh {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(24, 25, 27, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(24, 25, 27, 0.025) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: radial-gradient(circle at center, rgba(0, 0, 0, 0.45), transparent 72%);
}

.shell {
    position: relative;
    z-index: 1;
    width: min(1360px, calc(100vw - 1.5rem));
    margin: 0 auto;
}

.game-app {
    display: flex;
    flex-direction: column;
    height: 100dvh;
    min-height: 0;
    padding: 0.75rem 0 0.85rem;
    overflow: hidden;
}

.topbar {
    flex: 0 0 auto;
    display: grid;
    grid-template-columns: minmax(16rem, 1fr) minmax(24rem, 0.82fr) auto;
    gap: 0.85rem;
    align-items: center;
    min-height: 4.9rem;
    margin-bottom: 0.75rem;
    padding: 0.7rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.92);
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(14px);
}

.brand {
    display: flex;
    align-items: center;
    min-width: 0;
    gap: 0.85rem;
}

.brand-mark {
    flex: 0 0 auto;
    display: grid;
    place-items: center;
    width: 3.25rem;
    height: 3.25rem;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--red), var(--coral));
    color: #fff;
    font-family: var(--font-display);
    font-size: 1.7rem;
    line-height: 1;
    box-shadow: var(--shadow-red);
}

.brand-title,
.hero-title,
.panel h3,
.question-body h4,
.reward-core strong {
    margin: 0;
    font-family: var(--font-display);
    letter-spacing: 0;
}

.brand-title {
    max-width: 18rem;
    font-size: clamp(1rem, 1.1vw, 1.25rem);
    line-height: 1.08;
}

.eyebrow {
    margin: 0 0 0.3rem;
    color: var(--red-dark);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.11em;
    line-height: 1.15;
    text-transform: uppercase;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.6rem;
    min-width: 0;
}

.stat-card,
.session-summary > div,
.final-summary > div {
    min-width: 0;
    padding: 0.72rem 0.8rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 251, 0.92)),
        linear-gradient(135deg, rgba(215, 25, 32, 0.05), rgba(255, 200, 87, 0.1));
}

.stat-label,
.summary-label,
.field span,
.avatar-label,
.success-label {
    display: block;
    color: var(--muted);
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    line-height: 1.15;
    text-transform: uppercase;
}

.stat-value,
.session-summary strong,
.final-summary strong {
    display: block;
    margin-top: 0.35rem;
    color: var(--ink);
    font-size: 1.12rem;
    font-weight: 900;
    line-height: 1.05;
    overflow-wrap: anywhere;
}

.topbar-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.65rem;
    min-width: 0;
}

.status-pill,
.mini-badge,
.question-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.25rem;
    max-width: 100%;
    padding: 0.45rem 0.85rem;
    border: 1px solid rgba(215, 25, 32, 0.18);
    border-radius: 999px;
    background: rgba(215, 25, 32, 0.07);
    color: var(--red-dark);
    font-size: 0.78rem;
    font-weight: 850;
    line-height: 1.15;
    text-align: center;
    overflow-wrap: anywhere;
}

.ghost-button,
.secondary-button,
.primary-button,
.inline-button,
.flow-nav-button,
.answer-button {
    border: 0;
    font-weight: 850;
    letter-spacing: 0;
    transition:
        transform 0.18s ease,
        box-shadow 0.18s ease,
        background-color 0.18s ease,
        border-color 0.18s ease,
        color 0.18s ease;
}

.ghost-button,
.secondary-button,
.primary-button,
.inline-button {
    min-height: 2.9rem;
    padding: 0.75rem 1.15rem;
    border-radius: var(--radius-sm);
    font-size: 0.94rem;
}

.ghost-button,
.secondary-button,
.inline-button {
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.7);
    color: var(--ink);
}

.primary-button {
    background: linear-gradient(135deg, var(--red), var(--coral));
    color: #fff;
    box-shadow: var(--shadow-red);
}

.wide-button {
    width: 100%;
}

.ghost-button:hover,
.secondary-button:hover,
.inline-button:hover,
.answer-button:hover {
    transform: translateY(-1px);
    border-color: var(--line-strong);
    box-shadow: 0 12px 26px rgba(24, 25, 27, 0.09);
}

.primary-button:hover {
    transform: translateY(-1px);
    box-shadow: 0 22px 44px rgba(215, 25, 32, 0.27);
}

.primary-button:active,
.secondary-button:active,
.ghost-button:active,
.inline-button:active,
.answer-button:active {
    transform: translateY(0) scale(0.99);
}

.primary-button:disabled,
.secondary-button:disabled,
.ghost-button:disabled,
.inline-button:disabled,
.answer-button:disabled {
    opacity: 0.58;
    transform: none;
    box-shadow: none;
}

.flow-nav {
    order: 3;
    flex: 0 0 auto;
    display: flex;
    align-self: center;
    width: min(30rem, 100%);
    margin: 0.75rem auto 0;
    padding: 0.4rem;
    gap: 0.35rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.92);
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(14px);
}

.flow-nav-button {
    flex: 1 1 0;
    min-width: 0;
    min-height: 2.7rem;
    padding: 0.55rem 0.75rem;
    border-radius: 13px;
    background: transparent;
    color: #a3a8ae;
    font-size: 0.92rem;
}

.flow-nav-button.is-active {
    background: var(--red);
    color: #fff;
    box-shadow: 0 10px 20px rgba(215, 25, 32, 0.2);
}

.flow-nav-button:disabled {
    color: #c2c5c9;
}

.game-screen {
    display: none !important;
    flex: 1 1 auto;
    min-height: 0;
    margin: 0;
    overflow: hidden;
}

.game-screen.is-active {
    display: grid !important;
    animation: screen-in 0.24s ease-out both;
}

.hero-grid.game-screen.is-active {
    grid-template-columns: minmax(0, 0.92fr) minmax(24rem, 1.08fr);
    grid-template-areas: "hero portal";
    gap: 1rem;
}

.player-grid.game-screen.is-active,
.info-grid.game-screen.is-active,
.reward-grid.game-screen.is-active {
    grid-template-columns: minmax(0, 1fr);
}

.play-grid.game-screen.is-active {
    grid-template-columns: minmax(0, 1.05fr) minmax(21rem, 0.95fr);
    gap: 1rem;
}

.panel {
    position: relative;
    min-height: 0;
    padding: clamp(1.1rem, 1.6vw, 1.6rem);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.94);
    box-shadow: var(--shadow-md);
    overflow: auto;
}

.panel::-webkit-scrollbar,
.feed-list::-webkit-scrollbar {
    width: 0;
    height: 0;
}

.reveal {
    opacity: 0;
    transform: translateY(16px);
    animation: rise 0.5s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
    animation-delay: var(--delay, 0s);
}

.hero-grid .hero-panel {
    grid-area: hero;
}

.hero-grid .portal-panel {
    grid-area: portal;
}

.hero-panel {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 1rem;
    isolation: isolate;
    overflow: hidden;
}

.hero-panel::before,
.hero-panel::after {
    content: "";
    position: absolute;
    z-index: -1;
    border-radius: 999px;
    pointer-events: none;
}

.hero-panel::before {
    right: clamp(0.6rem, 3vw, 2.1rem);
    bottom: clamp(0.8rem, 2vw, 1.8rem);
    width: clamp(8.5rem, 16vw, 13.5rem);
    height: clamp(8.5rem, 16vw, 13.5rem);
    border: clamp(0.7rem, 1.3vw, 1rem) solid rgba(215, 25, 32, 0.12);
    box-shadow:
        inset 0 0 0 clamp(0.75rem, 1.3vw, 1.05rem) rgba(255, 255, 255, 0.74),
        0 0 0 0.6rem rgba(255, 200, 87, 0.15);
}

.hero-panel::after {
    right: clamp(2.9rem, 5.8vw, 5.4rem);
    bottom: clamp(3.6rem, 6vw, 6rem);
    width: clamp(2.8rem, 5vw, 4.6rem);
    height: clamp(2.8rem, 5vw, 4.6rem);
    background:
        radial-gradient(circle at 34% 30%, rgba(255, 255, 255, 0.92), transparent 26%),
        linear-gradient(135deg, var(--gold), var(--coral));
    box-shadow:
        -5.4rem -1.4rem 0 -1.45rem rgba(255, 200, 87, 0.78),
        -3.2rem 3.3rem 0 -1.5rem rgba(17, 123, 118, 0.55),
        3rem -2.2rem 0 -1.45rem rgba(215, 25, 32, 0.62);
    animation: float-soft 3.2s ease-in-out infinite;
}

.hero-title {
    max-width: 13ch;
    font-size: clamp(2.2rem, 4.8vw, 4rem);
    line-height: 1.02;
}

.hero-copy {
    max-width: 32rem;
    margin: 0;
    color: var(--muted-strong);
    font-size: clamp(0.96rem, 1.3vw, 1.08rem);
    font-weight: 600;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 0.35rem;
}

.portal-panel {
    display: flex;
    min-height: 100%;
    background:
        linear-gradient(135deg, rgba(215, 25, 32, 0.07), rgba(17, 123, 118, 0.08)),
        var(--surface);
}

.portal-stage {
    position: relative;
    flex: 1;
    min-height: 26rem;
    border: 1px solid rgba(215, 25, 32, 0.14);
    border-radius: var(--radius-md);
    background:
        radial-gradient(circle at 47% 48%, rgba(215, 25, 32, 0.08), transparent 15rem),
        linear-gradient(135deg, #fff1f1, #eef4f3);
    overflow: hidden;
}

.portal-rim {
    position: absolute;
    top: 50%;
    left: 50%;
    border-radius: 999px;
    transform: translate(-50%, -50%);
}

.rim-outer {
    width: min(30rem, 62vw);
    height: min(30rem, 62vw);
    border: 3px solid rgba(215, 25, 32, 0.13);
    animation: portal-pulse 4.6s ease-in-out infinite;
}

.rim-middle {
    width: min(24rem, 50vw);
    height: min(24rem, 50vw);
    border: 3px solid rgba(240, 90, 67, 0.18);
    animation: portal-pulse 4.6s ease-in-out infinite 0.35s;
}

.rim-inner {
    width: min(17.5rem, 38vw);
    height: min(17.5rem, 38vw);
    border: 3px solid rgba(255, 200, 87, 0.38);
    animation: portal-pulse 4.6s ease-in-out infinite 0.7s;
}

.portal-core {
    position: absolute;
    top: 50%;
    left: 50%;
    display: grid;
    place-items: center;
    width: clamp(7.5rem, 13vw, 9.5rem);
    height: clamp(7.5rem, 13vw, 9.5rem);
    border-radius: 999px;
    background:
        radial-gradient(circle at 33% 29%, rgba(255, 255, 255, 0.96), transparent 22%),
        linear-gradient(145deg, #ff9a7f, #cf3c31);
    color: #fff;
    transform: translate(-50%, -50%);
    box-shadow:
        0 22px 60px rgba(215, 25, 32, 0.28),
        0 0 0 1.4rem rgba(215, 25, 32, 0.06);
}

.portal-copy {
    max-width: 5.8rem;
    font-size: 1.05rem;
    font-weight: 900;
    line-height: 1.08;
    text-align: center;
}

.coin {
    position: absolute;
    width: 2.4rem;
    height: 2.4rem;
    border-radius: 999px;
    background:
        radial-gradient(circle at 35% 30%, #fff5bf, transparent 32%),
        linear-gradient(145deg, #ffe28a, #f1b12c);
    box-shadow:
        inset 0 0 0 0.22rem rgba(255, 255, 255, 0.35),
        0 8px 18px rgba(194, 132, 17, 0.22);
    animation: float-soft 3.4s ease-in-out infinite;
}

.coin-a { top: 18%; left: 22%; }
.coin-b { top: 26%; right: 18%; animation-delay: 0.8s; }
.coin-c { bottom: 26%; left: 26%; animation-delay: 1.4s; }
.coin-d { bottom: 20%; right: 20%; animation-delay: 2s; }

.avatar-bubble {
    position: absolute;
    left: 1.5rem;
    right: 1.5rem;
    bottom: 1.3rem;
    padding: 1rem 1.1rem;
    border-radius: var(--radius-md);
    background: rgba(42, 38, 38, 0.88);
    color: #fff;
    box-shadow: 0 18px 36px rgba(24, 25, 27, 0.18);
    backdrop-filter: blur(10px);
}

.avatar-bubble .avatar-label {
    color: rgba(255, 255, 255, 0.68);
}

.avatar-bubble strong {
    display: block;
    margin-top: 0.38rem;
    font-size: clamp(0.95rem, 1.4vw, 1.12rem);
    line-height: 1.28;
}

.player-grid .session-panel {
    width: min(42rem, 100%);
    justify-self: center;
}

.session-panel,
.question-panel,
.pulse-panel,
.reward-panel {
    display: flex;
    flex-direction: column;
}

.panel-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
}

.panel-heading h3 {
    font-size: clamp(1.18rem, 1.8vw, 1.55rem);
    line-height: 1.12;
}

.session-form,
.redeem-form {
    display: grid;
    gap: 0.9rem;
}

.field {
    display: grid;
    gap: 0.45rem;
}

.field input {
    width: 100%;
    min-height: 3.15rem;
    padding: 0.78rem 0.9rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--surface-soft);
    color: var(--ink);
    font-weight: 750;
}

.field input:focus {
    border-color: rgba(215, 25, 32, 0.32);
    background: #fff;
}

.inline-field {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.55rem;
}

.session-summary,
.final-summary {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.65rem;
    margin-top: 1rem;
}

.roadmap {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.85rem;
}

.roadmap-card,
.tier-card,
.feed-item,
.placeholder-card,
.question-card,
.success-card {
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--surface-soft);
}

.roadmap-card {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 16rem;
    padding: 1rem;
    overflow: hidden;
}

.roadmap-card::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 0.32rem;
    background: #d9dde1;
}

.roadmap-card.is-active {
    background: linear-gradient(180deg, #fff, #fff6f4);
    box-shadow: 0 18px 36px rgba(215, 25, 32, 0.13);
}

.roadmap-card.is-active::before {
    background: var(--red);
}

.roadmap-card.is-done::before {
    background: var(--teal);
}

.roadmap-card.is-locked {
    opacity: 0.68;
}

.roadmap-meta {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
}

.roadmap-title {
    margin: 0;
    font-size: 1rem;
    line-height: 1.2;
}

.roadmap-copy {
    margin: 0.85rem 0;
    color: var(--muted-strong);
    font-size: 0.95rem;
    line-height: 1.45;
}

.roadmap-foot {
    display: grid;
    gap: 0.38rem;
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 750;
}

.question-shell,
.question-card {
    flex: 1 1 auto;
    min-height: 0;
}

.placeholder-card {
    display: grid;
    place-content: center;
    min-height: 18rem;
    padding: 1.2rem;
    text-align: center;
}

.placeholder-card strong {
    font-size: 1.15rem;
}

.placeholder-card p {
    max-width: 32rem;
    margin: 0.55rem auto 0;
    color: var(--muted);
    line-height: 1.5;
}

.question-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 0.9rem;
    padding: 1rem;
    background: #fff;
}

.question-card.is-correct {
    border-color: rgba(26, 138, 98, 0.32);
    box-shadow: 0 16px 32px rgba(26, 138, 98, 0.1);
}

.question-card.is-wrong {
    border-color: rgba(215, 25, 32, 0.26);
}

.question-progress {
    display: grid;
    gap: 0.55rem;
}

.progress-meta,
.reward-meter-head,
.feed-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.progress-meta,
.feed-header {
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 850;
}

.progress-track {
    height: 0.65rem;
    border-radius: 999px;
    background: #edf0f2;
    overflow: hidden;
}

.progress-fill {
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--red), var(--gold));
    transition: width 0.28s ease;
}

.question-body {
    display: grid;
    gap: 0.7rem;
}

.question-body h4 {
    font-size: clamp(1.55rem, 3vw, 2.35rem);
    line-height: 1.08;
}

.question-body p {
    margin: 0;
    color: var(--muted-strong);
    font-size: 0.98rem;
    line-height: 1.45;
}

.answer-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.7rem;
}

.answer-button {
    display: grid;
    grid-template-columns: 2.35rem minmax(0, 1fr);
    align-items: center;
    gap: 0.7rem;
    min-height: 4.5rem;
    padding: 0.9rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: #fff;
    color: var(--ink);
    text-align: left;
}

.answer-button.is-selected:disabled {
    opacity: 1;
}

.answer-button.is-correct {
    border-color: rgba(26, 138, 98, 0.34);
    background: rgba(26, 138, 98, 0.08);
}

.answer-button.is-wrong {
    border-color: rgba(215, 25, 32, 0.34);
    background: rgba(215, 25, 32, 0.07);
}

.answer-key {
    display: grid;
    place-items: center;
    width: 2.35rem;
    height: 2.35rem;
    border-radius: 999px;
    background: var(--surface-warm);
    color: var(--red-dark);
    font-weight: 900;
}

.answer-button.is-correct .answer-key {
    background: var(--green);
    color: #fff;
}

.answer-button.is-wrong .answer-key {
    background: var(--red);
    color: #fff;
}

.answer-copy {
    min-width: 0;
    font-size: 0.96rem;
    line-height: 1.3;
    overflow-wrap: anywhere;
}

.answer-feedback {
    padding: 0.85rem 0.9rem;
    border-radius: var(--radius-sm);
    font-weight: 850;
    line-height: 1.35;
}

.answer-feedback.is-correct {
    background: rgba(26, 138, 98, 0.1);
    color: #116142;
}

.answer-feedback.is-wrong {
    background: rgba(215, 25, 32, 0.08);
    color: var(--red-dark);
}

.pulse-panel {
    gap: 1rem;
}

.reward-meter {
    display: grid;
    gap: 0.85rem;
    padding: 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--surface-soft);
}

.reward-meter-head span,
.feed-header span {
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 850;
    text-transform: uppercase;
}

.reward-meter-head strong {
    font-size: 0.98rem;
    line-height: 1.3;
    text-align: right;
}

.tier-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.65rem;
}

.tier-card {
    display: grid;
    gap: 0.7rem;
    padding: 0.85rem;
}

.tier-card.is-active {
    border-color: rgba(215, 25, 32, 0.25);
    background: #fff7f4;
}

.tier-card.is-cap {
    border-color: rgba(255, 200, 87, 0.45);
}

.tier-card strong {
    display: block;
    font-size: 0.94rem;
    line-height: 1.2;
}

.tier-card p {
    margin: 0.18rem 0 0;
    color: var(--muted);
    font-size: 0.82rem;
    line-height: 1.3;
}

.feed-wrap {
    display: grid;
    gap: 0.7rem;
    min-height: 0;
}

.feed-list {
    display: grid;
    gap: 0.55rem;
    min-height: 0;
    overflow: auto;
}

.feed-item {
    padding: 0.82rem 0.9rem;
    background: #fff;
}

.feed-item strong {
    display: block;
    font-size: 0.9rem;
}

.feed-item p {
    margin: 0.25rem 0 0;
    color: var(--muted);
    font-size: 0.82rem;
    line-height: 1.35;
}

.reward-shell {
    display: grid;
    grid-template-columns: minmax(18rem, 0.9fr) minmax(0, 1.1fr);
    gap: 1rem;
    min-height: 0;
}

.reward-visual {
    position: relative;
    min-height: 23rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background:
        radial-gradient(circle at 50% 45%, rgba(215, 25, 32, 0.1), transparent 13rem),
        linear-gradient(135deg, #fff5f2, #eef4f4);
    overflow: hidden;
}

.reward-visual.is-ready {
    border-color: rgba(215, 25, 32, 0.22);
}

.reward-visual.is-pending {
    border-color: rgba(214, 151, 26, 0.32);
}

.reward-visual.is-completed {
    border-color: rgba(17, 123, 118, 0.34);
}

.reward-ring {
    position: absolute;
    top: 48%;
    left: 50%;
    width: 17rem;
    height: 17rem;
    border: 2px solid rgba(215, 25, 32, 0.16);
    border-radius: 999px;
    transform: translate(-50%, -50%);
    animation: portal-pulse 4.5s ease-in-out infinite;
}

.reward-ring-b {
    width: 12rem;
    height: 12rem;
    border-color: rgba(255, 200, 87, 0.4);
    animation-delay: 0.45s;
}

.reward-core {
    position: absolute;
    top: 48%;
    left: 50%;
    display: grid;
    place-items: center;
    width: 10rem;
    height: 10rem;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--red), var(--coral));
    color: #fff;
    text-align: center;
    transform: translate(-50%, -50%);
    box-shadow: var(--shadow-red);
}

.reward-visual.is-pending .reward-core {
    background: linear-gradient(135deg, #e4a928, var(--gold));
    color: var(--ink);
}

.reward-visual.is-completed .reward-core {
    background: linear-gradient(135deg, var(--teal), #35b58b);
}

.reward-core span {
    display: block;
    color: currentColor;
    font-size: 0.78rem;
    font-weight: 850;
    letter-spacing: 0.08em;
    opacity: 0.78;
    text-transform: uppercase;
}

.reward-core strong {
    display: block;
    margin-top: 0.25rem;
    font-size: 2.65rem;
    line-height: 1;
}

.reward-status-track {
    position: absolute;
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.5rem;
}

.reward-step {
    display: grid;
    place-items: center;
    min-height: 2.2rem;
    padding: 0.35rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.76);
    color: var(--muted);
    font-size: 0.7rem;
    font-weight: 850;
    line-height: 1.1;
    text-align: center;
    text-transform: uppercase;
}

.reward-visual.is-ready .is-ready-step,
.reward-visual.is-pending .is-ready-step,
.reward-visual.is-pending .is-pending-step,
.reward-visual.is-completed .reward-step {
    border-color: transparent;
    background: var(--red);
    color: #fff;
}

.reward-visual.is-pending .is-pending-step {
    background: var(--gold);
    color: var(--ink);
}

.reward-visual.is-completed .reward-step {
    background: var(--teal);
}

.reward-detail {
    display: grid;
    align-content: start;
    gap: 1rem;
}

.redeem-form,
.success-card {
    padding: 1rem;
}

.redeem-hint {
    margin: -0.15rem 0 0;
    color: var(--muted);
    font-size: 0.86rem;
    line-height: 1.4;
}

.success-card {
    background: linear-gradient(135deg, rgba(17, 123, 118, 0.1), #fff);
}

.success-card.is-pending {
    background: linear-gradient(135deg, rgba(255, 200, 87, 0.18), #fff);
}

.success-card strong {
    display: block;
    margin: 0.35rem 0 0.45rem;
    font-size: 1.08rem;
    line-height: 1.25;
}

.success-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.4;
}

.toast-host {
    position: fixed;
    right: 1rem;
    bottom: 1rem;
    z-index: 30;
    display: grid;
    gap: 0.65rem;
    width: min(24rem, calc(100vw - 2rem));
    pointer-events: none;
}

.toast {
    padding: 0.9rem 1rem;
    border-radius: var(--radius-md);
    background: rgba(28, 27, 27, 0.92);
    color: #fff;
    box-shadow: 0 18px 42px rgba(24, 25, 27, 0.24);
    animation: toast-in 0.22s ease both;
}

.toast.is-error {
    background: rgba(159, 23, 29, 0.94);
}

.is-hidden {
    display: none !important;
}

@keyframes rise {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes screen-in {
    from {
        opacity: 0;
        transform: translateY(10px) scale(0.99);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes float-soft {
    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-0.55rem);
    }
}

@keyframes portal-pulse {
    0%,
    100% {
        opacity: 0.76;
        transform: translate(-50%, -50%) scale(0.99);
    }

    50% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.03);
    }
}

@keyframes toast-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
}

@media (max-width: 1180px) {
    .topbar {
        grid-template-columns: minmax(0, 1fr) auto;
        grid-template-areas:
            "brand actions"
            "stats stats";
    }

    .brand {
        grid-area: brand;
    }

    .hero-stats {
        grid-area: stats;
    }

    .topbar-actions {
        grid-area: actions;
    }

    .hero-grid.game-screen.is-active {
        grid-template-columns: minmax(0, 0.9fr) minmax(20rem, 1.1fr);
    }

    .hero-title {
        font-size: clamp(2.1rem, 4.2vw, 3.2rem);
    }
}

@media (max-width: 900px) {
    html,
    body {
        overflow: hidden;
    }

    .shell {
        width: 100vw;
    }

    .game-app {
        padding: 0.5rem 0.5rem 5rem;
    }

    .topbar {
        grid-template-columns: minmax(0, 1fr) auto;
        grid-template-areas:
            "brand actions"
            "stats stats";
        gap: 0.55rem;
        min-height: 0;
        margin-bottom: 0.55rem;
        padding: 0.55rem;
        border-radius: 15px;
    }

    .brand-mark {
        width: 2.55rem;
        height: 2.55rem;
        border-radius: 12px;
        font-size: 1.28rem;
    }

    .brand-title {
        max-width: 10.5rem;
        font-size: 0.86rem;
    }

    .eyebrow {
        margin-bottom: 0.18rem;
        font-size: 0.56rem;
        letter-spacing: 0.09em;
    }

    .topbar-actions {
        gap: 0.35rem;
    }

    .topbar-actions .ghost-button {
        display: none;
    }

    .status-pill {
        max-width: 8.5rem;
        min-height: 2.15rem;
        padding: 0.36rem 0.55rem;
        font-size: 0.62rem;
    }

    .hero-stats {
        gap: 0.4rem;
    }

    .stat-card {
        min-height: 2.65rem;
        padding: 0.46rem 0.48rem;
        border-radius: 11px;
    }

    .stat-label,
    .summary-label,
    .field span,
    .avatar-label,
    .success-label {
        font-size: 0.58rem;
        letter-spacing: 0.06em;
    }

    .stat-value {
        margin-top: 0.26rem;
        font-size: 0.88rem;
    }

    .flow-nav {
        position: fixed;
        z-index: 25;
        left: 0.5rem;
        right: 0.5rem;
        bottom: 0.6rem;
        width: auto;
        margin: 0;
        border-radius: 16px;
        box-shadow: 0 16px 36px rgba(24, 25, 27, 0.18);
    }

    .flow-nav-button {
        min-height: 2.75rem;
        padding: 0.45rem 0.35rem;
        border-radius: 12px;
        font-size: 0.78rem;
    }

    .hero-grid.game-screen.is-active,
    .player-grid.game-screen.is-active,
    .info-grid.game-screen.is-active,
    .play-grid.game-screen.is-active,
    .reward-grid.game-screen.is-active {
        grid-template-columns: 1fr;
        grid-template-rows: minmax(0, 1fr);
        gap: 0;
    }

    .hero-grid.game-screen.is-active {
        grid-template-areas: "hero";
    }

    .hero-grid .portal-panel,
    .play-grid .pulse-panel {
        display: none;
    }

    .panel {
        padding: 1rem;
        border-radius: 15px;
    }

    .hero-panel {
        justify-content: space-between;
        gap: 0.8rem;
    }

    .hero-title {
        max-width: 12ch;
        font-size: clamp(2rem, 9vw, 2.75rem);
        line-height: 1.03;
    }

    .hero-copy {
        max-width: 28rem;
        font-size: 0.92rem;
        line-height: 1.48;
    }

    .hero-actions {
        display: grid;
        grid-template-columns: 1fr;
        gap: 0.6rem;
        width: 100%;
    }

    .hero-actions .primary-button,
    .hero-actions .secondary-button {
        width: 100%;
        min-height: 3rem;
    }

    .hero-panel::before {
        opacity: 0.72;
    }

    .hero-panel::after {
        opacity: 0.9;
    }

    .player-grid .session-panel {
        width: 100%;
    }

    .panel-heading {
        gap: 0.7rem;
        margin-bottom: 0.8rem;
    }

    .panel-heading h3 {
        font-size: 1.14rem;
    }

    .mini-badge,
    .question-badge {
        min-height: 2rem;
        padding: 0.36rem 0.62rem;
        font-size: 0.68rem;
    }

    .ghost-button,
    .secondary-button,
    .primary-button,
    .inline-button {
        min-height: 2.95rem;
        padding: 0.7rem 0.95rem;
        font-size: 0.9rem;
    }

    .inline-field {
        grid-template-columns: 1fr;
    }

    .session-summary,
    .final-summary {
        grid-template-columns: 1fr;
        gap: 0.55rem;
    }

    .session-summary > div,
    .final-summary > div {
        padding: 0.7rem;
    }

    .session-summary strong,
    .final-summary strong {
        font-size: 0.9rem;
    }

    .roadmap {
        grid-template-columns: 1fr;
        gap: 0.6rem;
    }

    .roadmap-card {
        min-height: 8.5rem;
        padding: 0.82rem 0.82rem 0.82rem 1rem;
    }

    .roadmap-copy {
        margin: 0.55rem 0 0;
        font-size: 0.84rem;
        line-height: 1.35;
    }

    .roadmap-foot {
        display: none;
    }

    .question-card {
        padding: 0.85rem;
    }

    .question-body h4 {
        font-size: clamp(1.45rem, 7.4vw, 2.05rem);
    }

    .question-body p {
        font-size: 0.88rem;
    }

    .progress-meta {
        align-items: flex-start;
        font-size: 0.7rem;
        line-height: 1.2;
    }

    .answer-grid {
        grid-template-columns: 1fr;
        gap: 0.55rem;
    }

    .answer-button {
        min-height: 4rem;
        grid-template-columns: 2rem minmax(0, 1fr);
        gap: 0.62rem;
        padding: 0.72rem;
    }

    .answer-key {
        width: 2rem;
        height: 2rem;
    }

    .answer-copy {
        font-size: 0.88rem;
    }

    .reward-shell {
        grid-template-columns: 1fr;
        grid-template-rows: minmax(11.5rem, 0.8fr) minmax(0, 1.2fr);
        gap: 0.75rem;
    }

    .reward-visual {
        min-height: 12rem;
    }

    .reward-ring {
        width: 12rem;
        height: 12rem;
    }

    .reward-ring-b {
        width: 8.8rem;
        height: 8.8rem;
    }

    .reward-core {
        width: 7.4rem;
        height: 7.4rem;
    }

    .reward-core strong {
        font-size: 1.9rem;
    }

    .reward-status-track {
        left: 0.7rem;
        right: 0.7rem;
        bottom: 0.7rem;
        gap: 0.35rem;
    }

    .reward-step {
        min-height: 1.9rem;
        font-size: 0.58rem;
    }

    .redeem-form,
    .success-card {
        padding: 0.8rem;
    }

    .toast-host {
        right: 0.55rem;
        bottom: 4.9rem;
        width: calc(100vw - 1.1rem);
    }
}

@media (max-width: 420px) {
    .game-app {
        padding: 0.42rem 0.42rem 4.75rem;
    }

    .brand {
        gap: 0.55rem;
    }

    .brand-mark {
        width: 2.25rem;
        height: 2.25rem;
        font-size: 1.08rem;
    }

    .brand-title {
        max-width: 8rem;
        font-size: 0.74rem;
    }

    .status-pill {
        max-width: 6.9rem;
        min-height: 2rem;
        font-size: 0.54rem;
    }

    .hero-stats {
        gap: 0.32rem;
    }

    .stat-card {
        padding: 0.42rem 0.38rem;
    }

    .stat-value {
        font-size: 0.78rem;
    }

    .hero-title {
        font-size: clamp(1.8rem, 9vw, 2.25rem);
    }

    .hero-copy {
        font-size: 0.84rem;
    }

    .flow-nav {
        left: 0.42rem;
        right: 0.42rem;
        bottom: 0.5rem;
    }

    .flow-nav-button {
        min-height: 2.55rem;
        font-size: 0.72rem;
    }
}