@font-face {
    font-family: "Andika";
    src: url("../../fonts/Andika-Regular.woff2") format("woff2");
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

:root {
    --notice-board-height: min(52vh, 32rem);
    --notice-board-cork: #b77a3e;
    --notice-board-frame-light: #a86732;
    --notice-board-frame-dark: #6f3e1c;
}

.notice-board-toggle {
    position: fixed;
    top: max(0.65rem, env(safe-area-inset-top));
    left: max(0.65rem, env(safe-area-inset-left));
    z-index: 12020;
    width: clamp(3rem, 8vw, 4.4rem);
    aspect-ratio: 1;
    border: 0;
    border-radius: 50%;
    background: rgba(255, 250, 223, 0.96);
    box-shadow: 0 0.25rem 0.7rem rgba(0, 0, 0, 0.28);
    color: #4b2c18;
    font: 700 clamp(1.35rem, 4vw, 2rem)/1 "Andika", sans-serif;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.notice-board-toggle:focus-visible,
.notice-card:focus-visible {
    outline: 0.22rem solid #fff5a8;
    outline-offset: 0.2rem;
}

.notice-board-shade {
    position: fixed;
    inset: 0;
    z-index: 11990;

    /* Override the application's shared button width. The shade must cover
       the complete viewport so a tap anywhere outside the board closes it. */
    width: 100vw;
    height: 100dvh;
    min-height: 100vh;
    margin: 0;
    padding: 0;

    border: 0;
    border-radius: 0;
    background: rgba(15, 12, 8, 0.16);
    opacity: 0;
    pointer-events: none;
    transition: opacity 220ms ease;
}

.notice-board-shade:hover,
.notice-board-shade:active,
.notice-board-shade:focus {
    border: 0;
    transform: none;
    filter: none;
    outline: none;
}

.notice-board-shade.is-open {
    opacity: 1;
    pointer-events: auto;
}

.notice-board-panel {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 12000;
    width: 100%;
    height: var(--notice-board-height);
    padding:
        calc(max(0.8rem, env(safe-area-inset-top)) + 0.6rem)
        max(0.8rem, env(safe-area-inset-right))
        1.15rem
        max(0.8rem, env(safe-area-inset-left));
    box-sizing: border-box;
    overflow: hidden;
    transform: translateY(calc(-100% - 1rem));
    transition: transform 430ms cubic-bezier(0.2, 0.85, 0.25, 1);
    background:
        radial-gradient(circle at 22% 18%, rgba(255,255,255,0.12) 0 0.08rem, transparent 0.1rem),
        radial-gradient(circle at 76% 62%, rgba(71,37,14,0.12) 0 0.09rem, transparent 0.11rem),
        linear-gradient(95deg, rgba(255,255,255,0.06), transparent 35%, rgba(58,29,11,0.06)),
        var(--notice-board-cork);
    background-size: 1.25rem 1.25rem, 1.55rem 1.55rem, auto, auto;
    border-bottom: clamp(0.65rem, 2vw, 1.1rem) solid var(--notice-board-frame-dark);
    box-shadow:
        inset 0 -0.22rem 0 var(--notice-board-frame-light),
        0 0.8rem 1.5rem rgba(0, 0, 0, 0.34);
    touch-action: pan-y;
}

.notice-board-panel.is-open {
    transform: translateY(0);
}

.notice-board-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-auto-rows: minmax(5.5rem, 1fr);
    align-items: center;
    justify-items: center;
    gap: clamp(0.4rem, 1.6vw, 1rem);
    width: min(96rem, 100%);
    height: 100%;
    margin: 0 auto;
    padding: clamp(0.4rem, 1vw, 0.8rem);
    box-sizing: border-box;
}

.notice-card {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--notice-width, 88%);
    min-height: var(--notice-height, 5.8rem);
    padding: 0.65rem 0.55rem;
    box-sizing: border-box;
    border: 0;
    border-radius: 0.12rem 0.3rem 0.18rem 0.24rem;
    color: #332515;
    background: var(--notice-paper, #fff4bd);
    box-shadow: 0 0.38rem 0.65rem rgba(44, 24, 9, 0.32);
    transform: rotate(var(--notice-angle, 0deg));
    text-decoration: none;
    text-align: center;
    font: 700 clamp(0.78rem, 2.5vw, 1.35rem)/1.12 "Andika", sans-serif;
    cursor: pointer;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    transition: transform 130ms ease, filter 130ms ease;
}

.notice-card::before {
    content: "";
    position: absolute;
    top: -0.34rem;
    left: var(--pin-position, 50%);
    width: clamp(0.62rem, 1.9vw, 0.92rem);
    aspect-ratio: 1;
    border-radius: 50%;
    background: var(--pin-color, #cf3f37);
    box-shadow:
        inset 0.12rem 0.12rem 0.14rem rgba(255,255,255,0.52),
        0 0.13rem 0.15rem rgba(0,0,0,0.42);
    transform: translateX(-50%);
}

.notice-card::after {
    content: "";
    position: absolute;
    right: -0.08rem;
    bottom: -0.08rem;
    width: clamp(0.9rem, 2.8vw, 1.35rem);
    aspect-ratio: 1;
    background: linear-gradient(135deg, rgba(0,0,0,0.13) 0 48%, rgba(255,255,255,0.42) 52% 100%);
    clip-path: polygon(100% 0, 100% 100%, 0 100%);
}

.notice-card:hover,
.notice-card:active,
.notice-card:focus-visible {
    transform: rotate(0deg) translateY(-0.12rem) scale(1.035);
    filter: brightness(1.03);
}

.notice-card.is-disabled {
    cursor: default;
    opacity: 0.68;
    filter: saturate(0.65);
}

.notice-card.is-disabled:hover,
.notice-card.is-disabled:active {
    transform: rotate(var(--notice-angle, 0deg));
}

.notice-card.notice-blue { --notice-paper: #c8e9f3; }
.notice-card.notice-green { --notice-paper: #d7efc4; }
.notice-card.notice-pink { --notice-paper: #f5d4dc; }
.notice-card.notice-white { --notice-paper: #fffdf1; }
.notice-card.notice-orange { --notice-paper: #f5d0a0; }
.notice-card.notice-yellow { --notice-paper: #fff0a8; }

.notice-card.notice-wide { --notice-width: 98%; }
.notice-card.notice-narrow { --notice-width: 78%; }
.notice-card.notice-tall { --notice-height: 6.7rem; }

.notice-board-handle {
    position: absolute;
    left: 50%;
    bottom: 0.18rem;
    width: clamp(4.2rem, 18vw, 8rem);
    height: 0.34rem;
    border-radius: 999px;
    background: rgba(65, 35, 16, 0.42);
    transform: translateX(-50%);
}

@media (max-width: 520px) {
    :root {
        --notice-board-height: min(54vh, 29rem);
    }

    .notice-board-grid {
        gap: 0.28rem;
        grid-auto-rows: minmax(4.8rem, 1fr);
    }

    .notice-card {
        --notice-width: 94%;
        --notice-height: 4.8rem;
        padding: 0.45rem 0.25rem;
        font-size: clamp(0.66rem, 3.2vw, 0.98rem);
    }

    .notice-card.notice-narrow {
        --notice-width: 84%;
    }

    .notice-card.notice-tall {
        --notice-height: 5.4rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .notice-board-panel,
    .notice-board-shade,
    .notice-card {
        transition: none;
    }
}