/* QQYY Matrix-inspired remote desktop gateway facade */

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg: #030604;
    --bg-soft: rgba(4, 18, 11, 0.84);
    --panel: rgba(5, 25, 15, 0.86);
    --panel-strong: rgba(0, 0, 0, 0.72);
    --grid: rgba(0, 255, 111, 0.12);
    --green: #00ff6a;
    --green-soft: #77ffad;
    --cyan: #59f6ff;
    --amber: #f8d66d;
    --violet: #8c5cff;
    --ink: #e7fff0;
    --muted: #9bbca8;
    --border: rgba(0, 255, 106, 0.42);
    --shadow: rgba(0, 255, 106, 0.24);
    --terminal-glow: 0 0 5px rgba(0, 255, 106, 0.42), 0 0 16px rgba(0, 255, 106, 0.18);
    --rain-fade: rgba(1, 4, 2, 0.054);
    --rain-head: #f3fff6;
    --rain-mid: #9dffb8;
    --rain-body: #20f06b;
    --rain-shadow: #00ff6a;
    --max: 1120px;
}

html {
    background: var(--bg);
}

html[data-theme="day"] {
    background: #edf8ef;
}

body {
    position: relative;
    min-height: 100vh;
    color: var(--ink);
    font-family: "Courier New", Courier, monospace;
    line-height: 1.6;
    text-shadow: var(--terminal-glow);
    background:
        radial-gradient(circle at 20% 10%, rgba(0, 255, 106, 0.13), transparent 32rem),
        radial-gradient(circle at 52% 42%, rgba(140, 92, 255, 0.08), transparent 28rem),
        radial-gradient(circle at 88% 70%, rgba(89, 246, 255, 0.06), transparent 26rem),
        linear-gradient(180deg, #010201, #041006 46%, #010201);
    overflow-x: hidden;
}

body * {
    text-shadow: inherit;
}

body[data-theme="day"] {
    --bg: #edf8ef;
    --bg-soft: rgba(240, 252, 243, 0.86);
    --panel: rgba(245, 255, 248, 0.82);
    --panel-strong: rgba(255, 255, 255, 0.66);
    --grid: rgba(0, 118, 50, 0.13);
    --green: #007a35;
    --green-soft: #0b6232;
    --cyan: #006f84;
    --amber: #8d6500;
    --violet: #514aa6;
    --ink: #062515;
    --muted: #446452;
    --border: rgba(0, 122, 53, 0.36);
    --shadow: rgba(0, 122, 53, 0.18);
    --terminal-glow: 0 0 2px rgba(0, 122, 53, 0.18), 0 0 12px rgba(0, 122, 53, 0.1);
    --rain-fade: rgba(238, 250, 241, 0.075);
    --rain-head: #ffffff;
    --rain-mid: #0c7b38;
    --rain-body: #138846;
    --rain-shadow: rgba(0, 122, 53, 0.42);
    background:
        radial-gradient(circle at 18% 8%, rgba(0, 122, 53, 0.16), transparent 30rem),
        radial-gradient(circle at 54% 40%, rgba(89, 246, 255, 0.12), transparent 27rem),
        radial-gradient(circle at 88% 72%, rgba(248, 214, 109, 0.15), transparent 26rem),
        linear-gradient(180deg, #f7fff8, #dcefe2 54%, #f4fff6);
}

a,
button,
input {
    font-family: inherit;
}

::selection {
    color: #001806;
    background: var(--green);
    text-shadow: none;
}

body[data-theme="day"] ::selection {
    color: #f7fff8;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background-image:
        linear-gradient(var(--grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid) 1px, transparent 1px);
    background-size: 54px 54px;
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 78%);
}

body::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 4;
    pointer-events: none;
    background:
        linear-gradient(rgba(255, 255, 255, 0.035) 50%, rgba(0, 0, 0, 0.05) 50%),
        radial-gradient(circle at center, transparent 42%, rgba(0, 0, 0, 0.58));
    background-size: 100% 4px, 100% 100%;
}

body[data-theme="day"]::before {
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.74), transparent 82%);
}

body[data-theme="day"]::after {
    background:
        linear-gradient(rgba(0, 70, 30, 0.035) 50%, rgba(255, 255, 255, 0.025) 50%),
        radial-gradient(circle at center, transparent 48%, rgba(255, 255, 255, 0.34));
    background-size: 100% 4px, 100% 100%;
}

.matrix-rain {
    position: fixed;
    inset: 0;
    z-index: 0;
    width: 100%;
    height: 100%;
    opacity: 0.78;
}

body[data-theme="day"] .matrix-rain {
    opacity: 0.56;
    mix-blend-mode: multiply;
}

header {
    position: sticky;
    top: 0;
    z-index: 30;
    border-bottom: 1px solid var(--border);
    background: rgba(0, 8, 4, 0.82);
    box-shadow: 0 10px 34px rgba(0, 0, 0, 0.42);
    backdrop-filter: blur(12px);
}

body[data-theme="day"] header {
    background: rgba(241, 252, 244, 0.84);
    box-shadow: 0 10px 34px rgba(28, 83, 48, 0.14);
}

header nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 1rem;
    width: min(100%, var(--max));
    margin: 0 auto;
    padding: 0.85rem 1.25rem;
}

.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: rgba(0, 24, 12, 0.92);
    cursor: pointer;
    place-items: center;
    gap: 5px;
    padding: 0;
}

body[data-theme="day"] .menu-toggle {
    background: rgba(245, 255, 248, 0.9);
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 4.5rem;
    min-height: 2.28rem;
    padding: 0.4rem 0.62rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--green-soft);
    background: rgba(0, 24, 12, 0.76);
    box-shadow: inset 0 0 14px rgba(0, 255, 106, 0.06);
    cursor: pointer;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0;
    text-transform: uppercase;
}

.theme-toggle::before {
    content: "";
    width: 0.42rem;
    height: 0.42rem;
    margin-right: 0.42rem;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 12px var(--shadow);
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
    border-color: var(--green);
    color: var(--ink);
    background: rgba(0, 255, 106, 0.12);
    outline: 2px solid var(--cyan);
    outline-offset: 3px;
}

.theme-toggle[data-theme-mode="day"]::before {
    background: var(--amber);
}

.theme-toggle[data-theme-mode="night"]::before {
    background: var(--cyan);
}

body[data-theme="day"] .theme-toggle {
    background: rgba(255, 255, 255, 0.62);
}

body[data-theme="day"] .theme-toggle:hover,
body[data-theme="day"] .theme-toggle:focus-visible {
    color: #062515;
    background: rgba(0, 122, 53, 0.14);
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--green);
    box-shadow: 0 0 8px var(--shadow);
    transition: transform 0.18s ease, opacity 0.18s ease;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    list-style: none;
}

.nav-menu a {
    display: block;
    padding: 0.48rem 0.72rem;
    border: 1px solid transparent;
    border-radius: 6px;
    color: var(--muted);
    font-size: 0.94rem;
    text-transform: uppercase;
    text-decoration: none;
}

.nav-menu a:hover,
.nav-menu a:focus-visible {
    border-color: var(--border);
    color: var(--green-soft);
    background: rgba(0, 255, 106, 0.08);
    outline: none;
}

main {
    position: relative;
    z-index: 10;
    width: min(100%, var(--max));
    min-height: calc(100vh - 11rem);
    margin: 2rem auto 6rem;
    padding: 4.4rem 2rem 2rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background:
        linear-gradient(180deg, rgba(0, 255, 106, 0.055), transparent 5rem),
        repeating-linear-gradient(0deg, rgba(0, 255, 106, 0.018) 0, rgba(0, 255, 106, 0.018) 1px, transparent 1px, transparent 9px),
        rgba(0, 8, 3, 0.42);
    box-shadow:
        0 0 0 1px rgba(0, 255, 106, 0.08),
        0 0 48px rgba(0, 255, 106, 0.18),
        inset 0 0 52px rgba(0, 255, 106, 0.045),
        inset 0 0 0 1px rgba(231, 255, 240, 0.04);
    backdrop-filter: blur(2px);
    overflow: hidden;
}

body[data-theme="day"] main {
    background:
        linear-gradient(180deg, rgba(0, 122, 53, 0.08), transparent 5rem),
        repeating-linear-gradient(0deg, rgba(0, 122, 53, 0.028) 0, rgba(0, 122, 53, 0.028) 1px, transparent 1px, transparent 9px),
        rgba(245, 255, 248, 0.5);
    box-shadow:
        0 0 0 1px rgba(0, 122, 53, 0.08),
        0 18px 48px rgba(34, 91, 56, 0.16),
        inset 0 0 52px rgba(0, 122, 53, 0.055),
        inset 0 0 0 1px rgba(255, 255, 255, 0.72);
}

main::before {
    content: "QQYY_RDG> CONNECTION_BROKER_READY";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2.65rem;
    display: flex;
    align-items: center;
    padding: 0 1rem 0 3.8rem;
    border-bottom: 1px solid rgba(0, 255, 106, 0.3);
    color: var(--green-soft);
    background: rgba(0, 14, 6, 0.94);
    box-shadow: inset 0 -1px 0 rgba(231, 255, 240, 0.06), 0 0 22px rgba(0, 255, 106, 0.12);
    font-size: 0.86rem;
    text-transform: uppercase;
}

body[data-theme="night"] main::before {
    content: "QQYY_RDG> AUTO_NIGHT_ROUTE_ACTIVE";
}

body[data-theme="day"] main::before {
    content: "QQYY_RDG> AUTO_DAY_ROUTE_ACTIVE";
    color: var(--green-soft);
    background: rgba(239, 253, 243, 0.94);
    box-shadow: inset 0 -1px 0 rgba(0, 122, 53, 0.08), 0 0 22px rgba(0, 122, 53, 0.1);
}

main::after {
    content: "";
    position: absolute;
    top: 0.96rem;
    left: 1rem;
    width: 0.58rem;
    height: 0.58rem;
    border-radius: 50%;
    background: var(--green);
    box-shadow:
        1rem 0 0 var(--amber),
        2rem 0 0 rgba(89, 246, 255, 0.8),
        0 0 14px rgba(0, 255, 106, 0.7);
    pointer-events: none;
}

.gateway-screen {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(300px, 380px);
    gap: 2rem;
    align-items: center;
    min-height: 470px;
}

.gateway-copy {
    display: grid;
    gap: 1.2rem;
    max-width: 640px;
}

.protocol-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.protocol-strip span {
    padding: 0.35rem 0.55rem;
    border: 1px solid rgba(0, 255, 106, 0.32);
    border-radius: 6px;
    color: var(--green-soft);
    background: rgba(0, 0, 0, 0.28);
    font-size: 0.82rem;
    text-transform: uppercase;
}

body[data-theme="day"] .protocol-strip span {
    background: rgba(255, 255, 255, 0.42);
}

.login-panel {
    display: grid;
    gap: 1rem;
    padding: 1rem;
    border: 1px solid rgba(0, 255, 106, 0.38);
    border-radius: 8px;
    background:
        linear-gradient(180deg, rgba(0, 255, 106, 0.08), transparent 3.5rem),
        rgba(0, 8, 3, 0.54);
    box-shadow:
        0 0 36px rgba(0, 255, 106, 0.14),
        inset 0 0 28px rgba(0, 255, 106, 0.06);
    backdrop-filter: blur(2px);
}

body[data-theme="day"] .login-panel {
    background:
        linear-gradient(180deg, rgba(0, 122, 53, 0.08), transparent 3.5rem),
        rgba(251, 255, 252, 0.62);
    box-shadow:
        0 16px 34px rgba(39, 86, 56, 0.12),
        inset 0 0 28px rgba(0, 122, 53, 0.05);
}

.login-panel.is-denied {
    border-color: rgba(255, 96, 96, 0.7);
    animation: accessJolt 0.22s steps(2, end) 2;
}

.login-panel-header {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(0, 255, 106, 0.25);
    color: var(--green-soft);
    font-size: 0.88rem;
    text-transform: uppercase;
}

.login-panel label {
    display: grid;
    gap: 0.35rem;
    color: var(--amber);
    font-size: 0.82rem;
    text-transform: uppercase;
}

.login-panel input {
    width: 100%;
    min-height: 46px;
    border: 1px solid rgba(0, 255, 106, 0.34);
    border-radius: 6px;
    color: var(--green-soft);
    background: rgba(0, 0, 0, 0.42);
    box-shadow: inset 0 0 18px rgba(0, 255, 106, 0.06);
    font: inherit;
    padding: 0.7rem 0.75rem;
    outline: none;
}

body[data-theme="day"] .login-panel input {
    background: rgba(255, 255, 255, 0.64);
}

.login-panel input:focus {
    border-color: var(--green);
    box-shadow: 0 0 18px rgba(0, 255, 106, 0.16), inset 0 0 18px rgba(0, 255, 106, 0.08);
}

.login-panel input[readonly] {
    color: var(--muted);
    border-style: dashed;
    cursor: not-allowed;
}

.login-button {
    width: 100%;
}

.access-status {
    min-height: 1.5rem;
    color: var(--muted);
    font-size: 0.86rem;
    text-transform: uppercase;
}

.access-status.is-denied {
    color: #ff7777;
}

.eyebrow {
    width: fit-content;
    padding: 0.28rem 0.55rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--amber);
    background: rgba(248, 214, 109, 0.08);
    box-shadow: inset 0 0 18px rgba(248, 214, 109, 0.08);
    font-size: 0.88rem;
    text-transform: uppercase;
    animation: terminalPulse 4.8s steps(2, end) infinite;
}

body[data-theme="day"] .eyebrow {
    background: rgba(248, 214, 109, 0.16);
}

h2 {
    max-width: 880px;
    color: var(--ink);
    font-size: 3.25rem;
    line-height: 1.05;
    font-weight: 700;
    text-shadow: 0 0 6px rgba(231, 255, 240, 0.5), 0 0 28px rgba(0, 255, 106, 0.42);
    animation: terminalFlicker 7.5s steps(1, end) infinite;
}

body[data-theme="day"] h2 {
    text-shadow: 0 0 3px rgba(255, 255, 255, 0.8), 0 0 18px rgba(0, 122, 53, 0.16);
}

.hero-copy,
.note,
.page-panel > p {
    max-width: 720px;
    color: var(--muted);
    font-size: 1.08rem;
}

.terminal-line,
.terminal-card {
    border: 1px solid var(--border);
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.34);
    box-shadow: 0 0 34px rgba(0, 255, 106, 0.1), inset 0 0 22px rgba(0, 255, 106, 0.04);
}

body[data-theme="day"] .terminal-line,
body[data-theme="day"] .terminal-card {
    background: rgba(255, 255, 255, 0.5);
    box-shadow: 0 12px 30px rgba(38, 91, 58, 0.1), inset 0 0 22px rgba(0, 122, 53, 0.045);
}

.terminal-line,
.terminal-card,
.status-grid article,
.feature-list article,
.page-panel,
footer {
    position: relative;
}

.terminal-line::after,
.terminal-card::after,
.status-grid article::after,
.feature-list article::after,
.page-panel::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.045), transparent 34%, rgba(0, 255, 106, 0.045));
    mix-blend-mode: screen;
}

.terminal-line {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    align-items: center;
    width: fit-content;
    max-width: 100%;
    padding: 0.75rem 0.9rem;
}

.terminal-line::before {
    content: ">";
    display: grid;
    place-items: center;
    width: 1rem;
    height: 1rem;
    color: var(--amber);
    font-weight: 700;
    box-shadow: 0 0 12px rgba(248, 214, 109, 0.5);
}

.terminal-line span,
.terminal-card span {
    color: var(--amber);
}

.terminal-line strong {
    color: var(--green-soft);
    font-weight: 700;
    overflow-wrap: anywhere;
}

.terminal-line strong::after {
    content: "_";
    display: inline-block;
    margin-left: 0.18rem;
    color: var(--green);
    animation: cursorBlink 1.05s steps(2, end) infinite;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: fit-content;
    min-height: 46px;
    padding: 0.72rem 1rem;
    border: 1px solid var(--green);
    border-radius: 6px;
    color: #021006;
    background: var(--green);
    box-shadow: 0 0 24px rgba(0, 255, 106, 0.32);
    font-weight: 700;
    text-transform: uppercase;
    text-decoration: none;
}

body[data-theme="day"] .button {
    color: #f7fff8;
}

.button:hover,
.button:focus-visible {
    background: var(--green-soft);
    outline: 2px solid var(--cyan);
    outline-offset: 3px;
}

.status-grid,
.feature-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 2.5rem;
}

.status-grid article,
.feature-list article,
.page-panel {
    border: 1px solid rgba(0, 255, 106, 0.28);
    border-radius: 8px;
    background: rgba(5, 25, 15, 0.38);
    box-shadow: 0 18px 56px rgba(0, 0, 0, 0.32), inset 0 0 18px rgba(0, 255, 106, 0.04);
    backdrop-filter: blur(1.5px);
}

body[data-theme="day"] .status-grid article,
body[data-theme="day"] .feature-list article,
body[data-theme="day"] .page-panel {
    background: rgba(247, 255, 249, 0.54);
    box-shadow: 0 18px 48px rgba(36, 86, 55, 0.12), inset 0 0 18px rgba(0, 122, 53, 0.04);
}

.status-grid article,
.feature-list article {
    min-height: 178px;
    padding: 1rem;
}

.status-light {
    display: block;
    width: 10px;
    height: 10px;
    margin-bottom: 0.9rem;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 14px var(--green), 0 0 28px rgba(0, 255, 106, 0.4);
}

h3 {
    margin-bottom: 0.55rem;
    color: var(--green-soft);
    font-size: 1.04rem;
    text-transform: uppercase;
}

.status-grid p,
.feature-list p {
    color: var(--muted);
    font-size: 0.96rem;
}

.page-panel {
    display: grid;
    align-content: center;
    gap: 1rem;
    width: 100%;
    min-height: 470px;
    padding: 2rem;
}

.terminal-card {
    display: grid;
    gap: 0.55rem;
    margin-top: 0.5rem;
    padding: 1rem;
}

.terminal-card p {
    display: grid;
    grid-template-columns: 8.5rem 1fr;
    gap: 1rem;
    color: var(--ink);
}

footer {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 30;
    border-top: 1px solid rgba(0, 255, 106, 0.22);
    background: rgba(0, 8, 4, 0.86);
    color: var(--muted);
    padding: 0.72rem 1rem;
    text-align: center;
    backdrop-filter: blur(10px);
}

body[data-theme="day"] footer {
    background: rgba(241, 252, 244, 0.9);
}

.visitor-counter {
    display: inline-block;
    margin-top: 0.34rem;
    padding: 0.18rem 0.5rem;
    border: 1px solid rgba(89, 246, 255, 0.45);
    border-radius: 4px;
    color: var(--cyan);
    background: rgba(0, 0, 0, 0.28);
    font-size: 0.78rem;
    text-transform: uppercase;
}

.visitor-counter[hidden] {
    display: none;
}

.visitor-counter strong {
    color: var(--green-soft);
}

.visitor-counter.is-revealed {
    animation: terminalPulse 1.4s steps(2, end) 2;
}

body[data-theme="day"] .visitor-counter {
    background: rgba(255, 255, 255, 0.46);
}

.matrix-game-overlay {
    position: fixed;
    inset: 0;
    z-index: 80;
    display: grid;
    place-items: center;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.52);
    backdrop-filter: blur(5px);
}

body[data-theme="day"] .matrix-game-overlay {
    background: rgba(238, 250, 241, 0.58);
}

.matrix-game-terminal {
    width: min(96vw, 980px);
    border: 1px solid var(--green);
    border-radius: 8px;
    background:
        linear-gradient(180deg, rgba(0, 255, 106, 0.08), transparent 5rem),
        rgba(0, 9, 4, 0.7);
    box-shadow:
        0 0 42px rgba(0, 255, 106, 0.34),
        inset 0 0 46px rgba(0, 255, 106, 0.08);
    overflow: hidden;
}

body[data-theme="day"] .matrix-game-terminal {
    background:
        linear-gradient(180deg, rgba(0, 122, 53, 0.08), transparent 5rem),
        rgba(247, 255, 249, 0.76);
    box-shadow:
        0 24px 58px rgba(30, 77, 48, 0.2),
        inset 0 0 46px rgba(0, 122, 53, 0.07);
}

.matrix-game-terminal:focus {
    outline: none;
}

.matrix-game-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid rgba(0, 255, 106, 0.34);
    color: var(--green-soft);
    background: rgba(0, 18, 7, 0.9);
    text-transform: uppercase;
}

body[data-theme="day"] .matrix-game-bar {
    background: rgba(239, 253, 243, 0.92);
}

.matrix-game-close,
.matrix-game-restart {
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--green-soft);
    background: rgba(0, 20, 8, 0.7);
    cursor: pointer;
    text-transform: uppercase;
}

body[data-theme="day"] .matrix-game-close,
body[data-theme="day"] .matrix-game-restart {
    background: rgba(255, 255, 255, 0.58);
}

.matrix-game-close {
    width: 2rem;
    height: 2rem;
}

.matrix-game-restart {
    margin: 0 1rem 1rem;
    padding: 0.55rem 0.8rem;
}

.matrix-game-close:hover,
.matrix-game-close:focus-visible,
.matrix-game-restart:hover,
.matrix-game-restart:focus-visible {
    color: #021006;
    background: var(--green);
    outline: 2px solid var(--cyan);
    outline-offset: 2px;
    text-shadow: none;
}

.matrix-game-hud {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.8rem 1rem;
    color: var(--amber);
    text-transform: uppercase;
}

.matrix-game-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 180px;
    gap: 0.85rem;
    padding: 0 1rem;
}

.matrix-game-canvas {
    display: block;
    width: 100%;
    height: min(52vh, 420px);
    min-height: 260px;
    border: 1px solid rgba(0, 255, 106, 0.35);
    border-radius: 6px;
    background: rgba(0, 7, 3, 0.48);
    box-shadow: inset 0 0 36px rgba(0, 255, 106, 0.08);
}

body[data-theme="day"] .matrix-game-canvas {
    background: rgba(255, 255, 255, 0.42);
}

.matrix-game-radar {
    display: grid;
    align-content: start;
    gap: 0.65rem;
    min-height: 260px;
    padding: 0.85rem;
    border: 1px solid rgba(0, 255, 106, 0.35);
    border-radius: 6px;
    color: var(--green-soft);
    background:
        repeating-linear-gradient(0deg, rgba(0, 255, 106, 0.035) 0, rgba(0, 255, 106, 0.035) 1px, transparent 1px, transparent 8px),
        rgba(0, 8, 3, 0.48);
    text-align: center;
    text-transform: uppercase;
    box-shadow: inset 0 0 28px rgba(0, 255, 106, 0.08);
}

body[data-theme="day"] .matrix-game-radar {
    background:
        repeating-linear-gradient(0deg, rgba(0, 122, 53, 0.045) 0, rgba(0, 122, 53, 0.045) 1px, transparent 1px, transparent 8px),
        rgba(255, 255, 255, 0.42);
}

.matrix-radar-canvas {
    display: block;
    width: 100%;
    aspect-ratio: 1;
    border: 1px solid rgba(0, 255, 106, 0.28);
    background: rgba(0, 0, 0, 0.38);
}

body[data-theme="day"] .matrix-radar-canvas {
    background: rgba(255, 255, 255, 0.48);
}

.matrix-game-help {
    padding: 0.8rem 1rem;
    color: var(--muted);
    font-size: 0.9rem;
    text-transform: uppercase;
}

@keyframes cursorBlink {
    0%,
    48% {
        opacity: 1;
    }

    49%,
    100% {
        opacity: 0;
    }
}

@keyframes terminalFlicker {
    0%,
    91%,
    95%,
    100% {
        opacity: 1;
    }

    92% {
        opacity: 0.84;
    }

    96% {
        opacity: 0.92;
    }
}

@keyframes terminalPulse {
    0%,
    100% {
        opacity: 0.92;
    }

    50% {
        opacity: 1;
    }
}

@keyframes accessJolt {
    0%,
    100% {
        transform: translateX(0);
    }

    50% {
        transform: translateX(4px);
    }
}

@media (max-width: 760px) {
    header nav {
        align-items: flex-start;
        flex-wrap: wrap;
    }

    .menu-toggle {
        display: grid;
    }

    .nav-menu {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 0.35rem;
        padding-top: 0.75rem;
    }

    .nav-menu.is-open {
        display: flex;
    }

    .nav-menu a {
        padding: 0.68rem 0.75rem;
        border-color: rgba(0, 255, 106, 0.18);
        background: rgba(0, 255, 106, 0.05);
    }

    main {
        min-height: calc(100vh - 10rem);
        margin: 1rem 0.75rem 5.5rem;
        padding: 4rem 1rem 1.25rem;
    }

    main::before {
        padding-left: 3.35rem;
        font-size: 0.72rem;
    }

    .gateway-screen {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    h2 {
        font-size: 2.2rem;
    }

    .status-grid,
    .feature-list,
    .matrix-game-layout {
        grid-template-columns: 1fr;
    }

    .page-panel {
        min-height: auto;
        padding: 1.25rem;
    }

    .terminal-card p {
        grid-template-columns: 1fr;
        gap: 0.1rem;
    }

    .matrix-game-canvas {
        height: 52vh;
    }

    .matrix-game-radar {
        min-height: 0;
    }

    .matrix-radar-canvas {
        width: min(42vw, 150px);
        justify-self: center;
    }
}

@media (max-width: 430px) {
    h2 {
        font-size: 1.9rem;
    }

    .hero-copy,
    .note,
    .page-panel > p {
        font-size: 1rem;
    }

    footer {
        font-size: 0.82rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .matrix-rain {
        display: none;
    }

    .eyebrow,
    h2,
    .terminal-line strong::after {
        animation: none;
    }
}