$gate-node: 64px;
$gate-gap: 36px;
$gate-line: 2px;

.room-page {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
}

.room-page .gear-btn {
    z-index: 101;
}

#id_room_menu {
    position: absolute;
    bottom: 3.5rem;
    right: 0.5rem;
    z-index: 101;
    background-color: rgba(var(--priUser), 0.95);
    border: 0.15rem solid rgba(var(--secUser), 1);
    box-shadow:
        0 0 0.5rem rgba(var(--secUser), 0.75),
        0.12rem 0.12rem 0.5rem rgba(0, 0, 0, 0.25)
    ;
    border-radius: 0.75rem;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

html:has(.gate-overlay) {
    overflow: hidden;
}

body:has(.gate-overlay) {

    // Pin gear controls to the visual viewport,
    // bypassing iOS 100vh chrome-inclusion bug.
    // Offset upward so gear btn clears the kit btn below it.
    .room-page .gear-btn {
        position: fixed;
        bottom: 4.2rem;
        right: 0.5rem;
        z-index: 202;
    }

    #id_room_menu {
        position: fixed;
        bottom: 6.6rem;
        right: 0.5rem;
        z-index: 202;
    }
}

.gate-overlay {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 100;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    pointer-events: none;
}

.gate-modal {
    display: flex;
    flex-direction: column;
    align-items: center;
    pointer-events: auto;
    padding: 2rem;
    border: 0.1rem solid rgba(var(--terUser), 0.5);
    border-radius: 1rem;
    background-color: rgba(var(--priUser), 1);

    .gate-header {
        text-align: center;

        h1 {
            font-size: 2rem;
            color: rgba(var(--secUser), 0.6);
            margin-bottom: 1rem;
            text-align: justify;
            text-align-last: center;
            text-justify: inter-character;
            text-transform: uppercase;
            text-shadow:
                1px 1px 0 rgba(255, 255, 255, 0.125),       // highlight (up-left)
                -0.125rem -0.125rem 0 rgba(0, 0, 0, 0.8)    // shadow (down-right)
            ;

            span {
                color: rgba(var(--quaUser), 0.6);
            }
            margin: 0 0 0.5rem;
        }
        
        .gate-status-wrap {
            display: flex;
            justify-content: center;
            align-items: baseline;
            opacity: 0.5;
            font-size: 0.75em;
            text-transform: uppercase;
            letter-spacing: 0.15em;
            margin-bottom: 1rem;

            .status-dots {
                display: inline-flex;
                span {
                    display: inline-block;
                    width: 0.5em;
                    text-align: center;
                }
            }
        }
    }

    .token-slot {
        position: relative;
        display: flex;
        flex-direction: row;
        border: 2px solid rgba(var(--terUser), 0.7);
        border-radius: 0.4rem;
        background: rgba(0, 0, 0, 0.35);
        min-width: 180px;

        &.locked {
            opacity: 0.3;
            pointer-events: none;
        }

        &.ready {
            border-color: rgba(var(--terUser), 1);
            box-shadow:
                0 0 0.6rem rgba(var(--terUser), 0.6),
                0 0 1.6rem rgba(var(--terUser), 0.25)
            ;
        }

        &.pending,
        &.claimed {
            box-shadow:
                0 0 0.6rem rgba(var(--terUser), 0.5),
                0 0 1.4rem rgba(var(--terUser), 0.2),
            ;
            .token-reject-btn { text-shadow: 0 0 0.5rem rgba(var(--terUser), 0.8); }

            &:hover {
                border-color: rgba(var(--terUser), 1);
                background: rgba(0, 0, 0, 0.55);
                box-shadow:
                    0 0 0.8rem rgba(var(--terUser), 0.75),
                    0 0 2rem rgba(var(--terUser), 0.35),
                ;
            }
        }

        .token-rails,
        button.token-rails {
            display: flex;
            flex-direction: row;
            align-items: stretch;
            padding: 0.6rem 0.45rem;
            gap: 0.2rem;
            border-right: 1px solid rgba(var(--terUser), 0.35);

            .rail {
                display: block;
                width: 2px;
                background: rgba(var(--terUser), 0.55);
                border-radius: 1px;
            }
        }

        button.token-rails {
            background: transparent;
            border: none;
            outline: none;
            border-right: 1px solid rgba(var(--terUser), 0.35);
            cursor: pointer;
            border-radius: 0.3rem 0 0 0.3rem;

            &:hover {
                background: rgba(var(--terUser), 0.1);
                .rail { background: rgba(var(--terUser), 1); }
            }
        }

        .token-reject-btn {
            position: absolute;
            inset: 0;
            background: transparent;
            border: none;
            outline: none;
            cursor: pointer;
            border-radius: inherit;
        }

        .token-panel {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 0.45rem 0.75rem;
            gap: 0.15rem;

            .token-denomination {
                font-size: 1.5em;
                font-weight: bold;
                color: rgba(var(--terUser), 1);
                line-height: 1;
            }

            .token-insert-label,
            .token-insert-btn {
                &::before {
                    content: '← ';
                }
                font-size: 0.6em;
                text-transform: uppercase;
                letter-spacing: 0.08em;
                text-align: center;
                line-height: 1.3;
            }

            .token-reject-label {
                font-size: 0.55em;
                text-transform: uppercase;
                letter-spacing: 0.06em;
                opacity: 0.5;
                line-height: 1.3;
                text-align: center;
            }

        }
    }

    .gate-slots {
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: $gate-gap;

        .gate-slot {
            position: relative;
            width: $gate-node;
            height: $gate-node;
            border-radius: 50%;
            border: $gate-line solid rgba(var(--terUser), 1);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;

            &.filled,
            &.reserved {
                background: rgba(var(--terUser), 0.2);
            }

            &.filled:hover,
            &.reserved:hover {
                box-shadow:
                    -0.1rem -0.1rem 1rem rgba(var(--ninUser), 1),
                    -0.1rem -0.1rem 0.25rem rgba(0, 0, 0, 1),
                    0.05rem 0.05rem 0.5rem rgba(0, 0, 0, 1),
                ;
            }

            .slot-number {
                font-size: 0.7em;
                opacity: 0.5;
            }

            .slot-gamer { display: none; }

            form {
                position: absolute;
                inset: 0;
                display: flex;
                align-items: center;
                justify-content: center;
            }

            .drop-token-btn {
                position: absolute;
                inset: 0;
                border-radius: 50%;
                width: 100%;
                height: 100%;
                background: transparent;
                border: none;
                box-shadow:
                    0.05rem 0.05rem 0.5rem rgba(0, 0, 0, 1),
                ;
                font-size: 0;
                cursor: pointer;

                &:hover {
                    background: rgba(var(--quaUser), 0.15);
                    box-shadow:
                        -0.1rem -0.1rem 1rem rgba(var(--ninUser), 1),
                        -0.1rem -0.1rem 0.25rem rgba(0, 0, 0, 1),
                        0.05rem 0.05rem 0.5rem rgba(0, 0, 0, 1),
                    ;
                }
            }
        }
    }
}

// Narrow viewport — scale down, 2×3 slot grid (portrait mobile + narrow desktop)
@media (max-width: 550px) {
    .gate-modal {
        padding: 1.25rem 1.5rem;

        .gate-header {
            h1 { font-size: 1.5rem; }
            .gate-status-wrap { margin-bottom: 0.5rem; }
        }

        .token-slot { min-width: 150px; }

        .gate-slots {
            display: grid;
            grid-template-columns: repeat(3, 52px);
            grid-template-rows: repeat(2, 52px);
            gap: 24px;

            .gate-slot {
                width: 52px;
                height: 52px;
                &:nth-child(1) { grid-column: 1; grid-row: 1; }
                &:nth-child(2) { grid-column: 2; grid-row: 1; }
                &:nth-child(3) { grid-column: 3; grid-row: 1; }
                &:nth-child(4) { grid-column: 1; grid-row: 2; }
                &:nth-child(5) { grid-column: 2; grid-row: 2; }
                &:nth-child(6) { grid-column: 3; grid-row: 2; }
            }
        }
    }
}

// Landscape mobile — aggressively scale down to fit short viewport
@media (orientation: landscape) and (max-width: 1023px) {
    .room-page .gear-btn {
        bottom: 3.5rem;
    }

    .gate-modal {
        padding: 0.6rem 1.25rem;

        .gate-header {
            h1 { font-size: 1rem; margin: 0 0 0.25rem; }
            .gate-status-wrap { font-size: 0.65em; margin-bottom: 0.35rem; }
        }

        .token-slot {
            min-width: 130px;

            .token-rails,
            button.token-rails { padding: 0.4rem 0.35rem; }

            .token-panel {
                padding: 0.3rem 0.5rem;

                .token-denomination { font-size: 1.1em; }
            }
        }

        .gate-slots {
            gap: 14px;

            .gate-slot {
                width: 40px;
                height: 40px;

                .slot-number { font-size: 0.6em; }
            }
        }

        .form-container {
            h3 { font-size: 0.85rem; margin: 0.25rem 0; }

            form { gap: 0.35rem; }

            .form-control-lg {
                --_pad-v: 0.4rem;
                font-size: 0.9rem;
            }
        }
    }
}