:root {
    --rpg-void: #07080a;
    --rpg-panel: rgba(18, 17, 19, 0.96);
    --rpg-iron: #3b3439;
    --rpg-gold: #c69a45;
    --rpg-gold-bright: #efd58a;
    --rpg-blood: #8d2632;
    --rpg-text: #eee6d7;
    --rpg-muted: #aaa092;
    color-scheme: dark;
    font-family: "Segoe UI", "Malgun Gothic", sans-serif;
    background: var(--rpg-void);
    color: var(--rpg-text);
}

body {
    position: relative;
    background:
        radial-gradient(circle at 50% 18%, rgba(141, 38, 50, 0.32), transparent 30rem),
        radial-gradient(circle at 12% 90%, rgba(198, 154, 69, 0.09), transparent 24rem),
        linear-gradient(150deg, #111014, var(--rpg-void) 58%, #0c0b0d);
}

body::before {
    position: fixed;
    inset: 0;
    background: repeating-linear-gradient(115deg, transparent 0 46px, rgba(255, 255, 255, 0.012) 47px 48px);
    content: "";
    pointer-events: none;
}

main {
    position: relative;
    width: min(440px, 100%);
    overflow: hidden;
    border: 1px solid var(--rpg-iron);
    border-top-color: var(--rpg-gold);
    border-radius: 3px;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.025), transparent 42%), var(--rpg-panel);
    box-shadow: inset 0 1px 0 rgba(255, 236, 190, 0.05), 0 24px 64px rgba(0, 0, 0, 0.56);
}

main::before {
    position: absolute;
    top: -7px;
    left: 50%;
    width: 13px;
    height: 13px;
    border: 1px solid var(--rpg-gold);
    background: #101014;
    content: "";
    transform: translateX(-50%) rotate(45deg);
}

h1 {
    color: var(--rpg-gold-bright);
    font-family: Georgia, "Malgun Gothic", serif;
    font-size: 34px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-shadow: 0 2px 18px rgba(198, 154, 69, 0.23);
}

h1::before {
    display: block;
    margin-bottom: 7px;
    color: #c44745;
    content: "THE DUNGEON ARCHIVE";
    font-family: "Segoe UI", sans-serif;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.3em;
}

p,
small {
    color: var(--rpg-muted);
}

.modes {
    border-bottom-color: var(--rpg-iron);
}

.modes button {
    color: var(--rpg-muted);
    font-weight: 700;
    letter-spacing: 0.04em;
}

.modes button:hover {
    color: var(--rpg-text);
}

.modes button.active {
    border-color: var(--rpg-gold);
    color: var(--rpg-gold-bright);
}

label {
    color: #d7cdbc;
    font-size: 13px;
    font-weight: 700;
}

input {
    border-color: var(--rpg-iron);
    border-radius: 2px;
    background: rgba(5, 5, 7, 0.74);
    color: var(--rpg-text);
}

input:focus {
    border-color: var(--rpg-gold);
    outline: 2px solid rgba(198, 154, 69, 0.22);
}

button[type="submit"] {
    border: 1px solid #9c3a42;
    border-radius: 2px;
    background: linear-gradient(180deg, #8d2632, #521a21);
    box-shadow: inset 0 1px 0 rgba(255, 224, 196, 0.12), 0 6px 16px rgba(0, 0, 0, 0.34);
    letter-spacing: 0.06em;
}

button[type="submit"]:hover:not(:disabled) {
    border-color: var(--rpg-gold);
    background: linear-gradient(180deg, #a6333e, #641f28);
    color: #fff5de;
}

button:focus-visible,
input:focus-visible {
    outline: 2px solid var(--rpg-gold-bright);
    outline-offset: 3px;
}

#link-notice {
    border-left-color: var(--rpg-gold);
    background: rgba(198, 154, 69, 0.08);
    color: #dfc98d;
}

#message {
    color: #ee9b97;
}

@media (max-width: 520px) {
    body {
        padding: 14px;
    }

    main {
        padding: 22px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}