@font-face {
    font-family: 'Freesentation';
    src: url("../fonts/Freesentation-1Thin.ttf") format('truetype');
    font-weight: 100;
    font-style: normal;
}
@font-face {
    font-family: 'Freesentation';
    src: url("../fonts/Freesentation-3Light.ttf") format('truetype');
    font-weight: 300;
    font-style: normal;
}
@font-face {
    font-family: 'Freesentation';
    src: url("../fonts/Freesentation-3Light.ttf") format('truetype');
    font-weight: 500;
    font-style: normal;
}
@font-face {
    font-family: 'Freesentation';
    src: url("../fonts/Freesentation-7Bold.ttf") format('truetype');
    font-weight: 700;
    font-style: normal;
}
@font-face {
    font-family: 'Freesentation';
    src: url("../fonts/Freesentation-9Black.ttf") format('truetype');
    font-weight: 900;
    font-style: normal;
}

:root {
    --win-gray: #9C9C9C;
    --win-dark-gray: #555555;
    --win-light: #ffffff;
    --win-black: #000000;
    --win-gray-title-dark: #333333;
    --win-gray-title-mid-dark: #666666;
    --accent: #ff9a9e;
    --border: #e0e0e0;
    --radius: 10px;
}

*,
*::after,
*::before {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
button {
    -webkit-appearance: none;
    appearance: none;
    font-family: inherit;
}

body,
html {
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: 'MS Sans Serif', Tahoma, sans-serif;
    -webkit-font-smoothing: none;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100dvh;
    background: radial-gradient(circle at center, #2a2a2a 0%, #000000 80%);
    box-shadow: 0 0 40px 40px rgba(0,0,0,0.50) inset;
    position: relative;
}

body::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("../images/background.png");
    z-index: -2;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    filter: grayscale(100%);
}

body::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("../images/overlay.jpg");
    background-size: cover;
    background-position: center;
    z-index: 9999;
    pointer-events: none;
    mix-blend-mode: overlay;
    opacity: 0.15;
}

@keyframes popupGlitchText {
    0% {
        opacity: 0;
        visibility: hidden;
    }
    0.5% {
        opacity: 1;
        visibility: visible;
    }
    20% {
        opacity: 1;
        visibility: visible;
    }
    20.5% {
        opacity: 0;
        visibility: hidden;
    }
    100% {
        opacity: 0;
        visibility: hidden;
    }
}

.glitch-text-overlay {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 99999;
    color: yellow;
    border: solid 1px #fafafa;
    padding: 15px 40px 15px 48px;
    background-color: rgba(0,0,0,0.9);
    font-family: 'Courier New', Courier, monospace;
    font-size: 32px;
    font-weight: bold;
    letter-spacing: 2px;
    text-transform: uppercase;
    white-space: nowrap;
    pointer-events: none;
    text-shadow: 0 0 8px rgba(255,255,0,0.7);
    box-shadow: 0 0 15px rgba(0,0,0,0.5);
    opacity: 0;
    visibility: hidden;
    animation: popupGlitchText 20s infinite linear;
}

.container {
    position: relative;
    width: 75dvw;
    height: 80dvh;
    max-width: 1200px;
}

.main_layout {
    position: relative;
    width: 100%;
    height: 100%;
}

.sub_layout {
    position: absolute;
    bottom: 2dvh;
    right: 1dvw;
    z-index: 10;
}

.xp-window {
    background-color: var(--win-gray);
    border: 2px solid;
    border-color: var(--win-gray) var(--win-dark-gray) var(--win-dark-gray) var(--win-gray);
    box-shadow: 1px 1px 0 0 var(--win-black);
    padding: 3px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    position: relative;
    border-radius: 0;
}

.xp-window::after {
    content: " ";
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: linear-gradient(rgba(0,0,0,0.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.15) 1px, transparent 1px);
    background-size: 2px 2px;
    z-index: 1;
    pointer-events: none;
}

.xp-titlebar {
    background: linear-gradient(90deg, var(--win-gray-title-dark), var(--win-gray-title-mid-dark));
    padding: 4px 6px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--win-light);
    font-weight: bold;
    font-size: 15px;
    letter-spacing: 1px;
    flex-shrink: 0;
    min-height: 18px;
    height: auto;
    position: relative;
    z-index: 2;
}

.xp-title {
    color: var(--win-light);
    padding-left: 0;
}

.xp-controls {
    display: flex;
    gap: 2px;
}

.xp-control-btn {
    width: 18px;
    height: 16px;
    background: var(--win-gray);
    border: 1px solid;
    border-color: var(--win-gray) var(--win-dark-gray) var(--win-dark-gray) var(--win-gray);
    box-shadow: none;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    border-radius: 0;
    padding: 0;
}

.xp-control-btn span {
    color: var(--win-black);
    font-family: 'MS Sans Serif', Tahoma, sans-serif;
    font-size: 14px;
    font-weight: 900;
    line-height: 1;
}

.xp-control-btn.minimize span {
    transform: translateY(-4px);
}
.xp-control-btn.maximize span {
    font-size: 15px;
    transform: translateY(-1px);
}
.xp-control-btn.close span {
    font-size: 13px;
}
.xp-control-btn.close {
    background: var(--win-gray) !important;
    border: 1px solid !important;
    border-color: var(--win-gray) var(--win-dark-gray) var(--win-dark-gray) var(--win-gray) !important;
    opacity: 1 !important;
}

.xp-control-btn:active {
    border-color: var(--win-dark-gray) var(--win-gray) var(--win-gray) var(--win-dark-gray);
    padding-top: 1px;
    padding-left: 1px;
}

.xp-body {
    background-color: var(--win-gray);
    flex: 1;
    border: 2px solid;
    border-color: var(--win-dark-gray) var(--win-gray) var(--win-gray) var(--win-dark-gray);
    margin: 4px 0 0;
    color: var(--win-black);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 2;
}

.xp-btn-small {
    background: var(--win-gray);
    border: 2px solid;
    border-color: var(--win-gray) var(--win-dark-gray) var(--win-dark-gray) var(--win-gray);
    padding: 2px 8px;
    font-family: 'MS Sans Serif', Tahoma, sans-serif;
    font-size: 12px;
    color: var(--win-black);
    cursor: pointer;
    box-shadow: 1px 1px 0 var(--win-black);
    outline: none;
}

.xp-btn-small:active {
    border-color: var(--win-dark-gray) var(--win-gray) var(--win-gray) var(--win-dark-gray);
    box-shadow: none;
    transform: translate(1px,1px);
}

.window-1 .xp-body {
    overflow: hidden;
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto 1fr;
    grid-template-areas: "date date" "profile content";
    gap: 3px 6px;
    padding: 5px 8px;
    align-items: start;
    justify-items: start;
}

.wp1_date {
    grid-area: date;
    font-family: "Freesentation";
    font-weight: 300;
    font-size: 12px;
    color: #e30808;
}
.wp1_profile {
    grid-area: profile;
    align-self: start;
    height: 100%;
    max-height: 73px;
    width: auto;
    aspect-ratio: 1 / 1;
    border: 1px solid #0a0a0a;
    display: flex;
    justify-content: center;
    align-items: center;
    background: transparent;
    overflow: hidden;
}
.wp1_profile img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.wp1_content {
    grid-area: content;
    align-self: start;
    width: 100%;
    height: 100%;
    font-family: "Freesentation";
    font-weight: 300;
    font-size: 12px;
    color: #e30808;
    word-break: break-all;
    overflow: hidden;
}
.wp1_edit_btn {
    position: absolute;
    right: 2%; bottom: 6%;
}

.window-2 .xp-body {
    min-height: 0;
    justify-content: flex-start;
    align-items: stretch;
    padding: 0;
}

.wp2_search {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 5px 10px;
    background: var(--win-gray);
    z-index: 2;
    flex-shrink: 0;
}
.search-input {
    width: 90%;
    background: var(--win-gray);
    border: 2px solid;
    border-color: var(--win-dark-gray) var(--win-gray) var(--win-gray) var(--win-dark-gray);
    height: 20px;
    padding: 0 5px;
    outline: none;
    font-family: 'MS Sans Serif',Tahoma,sans-serif;
    color: var(--win-black);
}
.search-btn {
    background: var(--win-gray);
    border: 2px solid;
    border-color: var(--win-gray) var(--win-dark-gray) var(--win-dark-gray) var(--win-gray);
    width: 24px;
    height: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    color: var(--win-black);
    outline: none;
    flex-shrink: 0;
}
.search-btn:active {
    border-color: var(--win-dark-gray) var(--win-gray) var(--win-gray) var(--win-dark-gray);
    padding-top: 1px;
    padding-left: 1px;
}

.wp2_road {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 30px;
    padding: 15px;
    z-index: 2;
}
.wp2_road::-webkit-scrollbar {
    width: 0;
    height: 0;
}

.road_item {
    display: flex;
    flex-direction: column;
    width: 100%;
    border-radius: 4px;
}

.wp2_roadBar {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 5px;
    background: var(--win-gray);
    border-top: 2px solid;
    border-color: var(--win-gray) transparent transparent transparent;
    z-index: 2;
    flex-shrink: 0;
}
.wp2_input {
    flex: 1;
    background: var(--win-gray);
    border: 2px solid;
    border-color: var(--win-dark-gray) var(--win-gray) var(--win-gray) var(--win-dark-gray);
    height: 20px;
    padding: 0 5px;
    outline: none;
    font-family: 'MS Sans Serif',Tahoma,sans-serif;
    color: var(--win-black);
}

.window-3 .xp-body {
    min-height: 0;
    justify-content: flex-start;
    align-items: stretch;
    padding: 0;
    overflow-y: auto;
}
.window-3 .xp-body::-webkit-scrollbar {
    width: 0;
    height: 0;
}

.kuru-admin-bar {
    display: flex;
    justify-content: flex-end;
    padding: 4px 6px;
    flex-shrink: 0;
}
.wp3_road {
    column-count: 2;
    column-gap: 20px;
    padding: 15px;
    z-index: 2;
}
.wp3_road .road_item {
    break-inside: avoid;
    margin-bottom: 20px;
    display: inline-block;
    width: 100%;
}

@media (max-width:1200px) {
    .wp3_road {
        column-count: 1;
    }
}

#auth-corner {
    position: fixed;
    top: 10px;
    right: 14px;
    z-index: 100000;
}

.auth-pill {
    background: rgba(0,0,0,0.55);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 20px;
    padding: 4px 12px;
    font-size: 11px;
    cursor: pointer;
    font-family: 'MS Sans Serif', Tahoma, sans-serif;
}

.auth-pill:hover {
    background: rgba(0,0,0,0.75);
}

.xp-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 60000;
    background: rgba(0,0,0,0.35);
    align-items: center;
    justify-content: center;
}

.xp-overlay.active {
    display: flex;
}

.overlay-window {
    width: 34dvw;
    height: 62dvh;
    max-width: 600px;
}

.overlay-body {
    justify-content: flex-start;
    align-items: stretch;
    padding: 10px;
    gap: 8px;
    overflow: hidden;
}

.overlay-footer {
    display: flex;
    gap: 6px;
    justify-content: flex-end;
    flex-shrink: 0;
}

.profile-edit-row {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-shrink: 0;
}
.profile-preview {
    width: 60px;
    height: 60px;
    border: 1px solid var(--win-black);
    overflow: hidden;
    background: #333;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.profile-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.profile-no-img {
    font-size: 9px;
    color: #aaa;
}

.login-input {
    width: 100%;
    background: var(--win-gray);
    border: 2px inset var(--win-dark-gray);
    padding: 3px 6px;
    font-family: 'MS Sans Serif', Tahoma, sans-serif;
    font-size: 12px;
    color: var(--win-black);
    outline: none;
}

#search-results {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    align-content: start;
}
.search-result-item {
    padding: 8px;
    cursor: pointer;
    border: 1px solid var(--win-dark-gray);
    overflow: hidden;
}
.search-result-item:hover {
    background: rgba(0,0,0,0.06);
}
.search-result-item .res-title {
    font-size: 12px;
    font-weight: bold;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.search-result-item .res-snippet {
    font-size: 10px;
    color: #555;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.rb-post-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 10px;
}
.rb-post-left {
    display: flex;
    align-items: center;
    gap: 6px;
}
.rb-post-right {
    display: flex;
    align-items: center;
    gap: 4px;
}
.rb-post-no {
    font-size: 12px;
    font-weight: bold;
    color: #e30808;
}
.rb-collapse-btn {
    font-size: 10px;
    padding: 1px 5px;
    border: 1px solid rgba(0,0,0,0.25);
    background: transparent;
    color: inherit;
    cursor: pointer;
}
.rb-post-body {
    padding: 0 10px;
}
.rb-post-content {
    line-height: 1.6;
    padding-bottom: 10px;
    font-size: 12px;
    color: #e30808;
}
.rb-post-content img {
    max-width: 100%;
    height: auto;
    display: block;
}
.rb-post-comments {
    padding-bottom: 10px;
}
.rb-cmt-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 8px;
}
.rb-comment-item {
    display: flex;
    flex-direction: column;
    gap: 0;
    line-height: 1.4;
    min-width: 0;
    overflow: hidden;
    position: relative;
    padding-right: 36px;
}
.rbc-author {
    font-size: 10px;
    color: var(--win-black);
}
.rbc-date {
    font-size: 8px;
    opacity: 0.6;
}
.rbc-btns {
    position: absolute;
    top: 8px;
    right: 0;
    display: flex;
    align-items: center;
}
.rbc-del {
    background: none;
    border: none;
    color: #888;
    font-size: 10px;
    padding: 0 2px;
    cursor: pointer;
}
.rbc-del:hover {
    color: #c00;
}
.rbc-content {
    font-size: 11px;
    line-height: 1.4;
    word-break: break-word;
    white-space: pre-wrap;
    color: var(--win-black);
}
.rb-comment-form {
    display: flex;
    flex-direction: column;
    gap: 5px;
}
.rb-comment-form input,
.rb-comment-form textarea {
    padding: 4px 6px;
    border: 1px solid #aaa;
    background: rgba(255,255,255,0.5);
    font-family: inherit;
    font-size: 11px;
    color: var(--win-black);
    outline: none;
}
.rb-comment-form textarea {
    resize: none;
    min-height: 40px;
    overflow: hidden;
}

#bgm-body {
    justify-content: center;
    align-items: center;
    padding: 0;
    overflow: hidden;
}
#bgm-player {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80%;
    height: 32px;
}
#bgm-player button {
    flex: 1;
    height: 100%;
    background: none;
    border: none;
    box-shadow: none;
    color: var(--win-black);
    font-size: 14px;
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}
#bgm-player button:hover {
    background: rgba(0,0,0,0.07);
}
#bgm-loop.on,
#bgm-shuffle.on {
    color: var(--win-dark-gray);
    font-weight: bold;
}
.post-content {
    line-height: 1.7;
}
.post-content img {
    max-width: 100% !important;
    height: auto !important;
}

details {
    border-left: 3px solid var(--accent);
    padding-left: 10px;
    margin: 6px 0;
}
details summary {
    cursor: pointer;
    font-weight: bold;
    user-select: none;
}
.toggle-body {
    padding: 4px 0;
}

.modal-backdrop,
.note-modal-backdrop {
    background-color: transparent !important;
    z-index: -1 !important;
}
.note-editable {
    color: var(--win-black);
    font-family: 'Freesentation','Malgun Gothic',sans-serif !important;
}
.note-editor.note-frame {
    border: 1px solid var(--win-dark-gray);
}
.note-editor .note-toolbar {
    background-color: var(--win-gray);
    border-bottom: 1px solid var(--win-dark-gray);
}
.note-editor .note-btn {
    color: var(--win-black);
    background-color: transparent;
    border: transparent solid 1px;
}
.note-dropdown-menu {
    background-color: #ddd;
    color: var(--win-black);
}
.note-dropdown-menu a {
    color: var(--win-black);
}
.note-editable img,
.post-content img {
    max-width: 100% !important;
    height: auto !important;
}
.note-popover,
.note-popover .popover,
.note-popover.note-image-popover {
    background-color: var(--win-gray) !important;
    border: 1px solid var(--win-dark-gray) !important;
}
.note-popover .bottom,
.note-popover .note-children-container,
.note-popover .note-popover-content,
.note-popover .popover-content {
    background-color: var(--win-gray) !important;
}

pre code.hljs {
    border-radius: 4px;
    font-size: 12px;
}

.window-1 {
    position: absolute;
    top: 0;
    left: 5%;
    width: calc(45% - 20px);
    height: calc(25% - 20px);
    z-index: 5;
}
.window-2 {
    position: absolute;
    top: 25%;
    left: 0;
    width: calc(45% - 20px);
    height: calc(75% - 20px);
    min-height: 0;
    z-index: 5;
}
.window-3 {
    position: absolute;
    top: 3%;
    left: 40%;
    width: calc(55% - 20px);
    height: 88%;
    min-height: 0;
    z-index: 1;
}
.window-4 {
    width: 22dvw;
    height: 20dvh;
}

/* ── window-5 (방명록) ── */
.window-5 {
    position: absolute;
    bottom: 10dvh;
    right: -1dvw;
    width: 30%;
    min-width: 300px;
    height: 40dvh;
    z-index: 5;
}

#guestbook-body {
    justify-content: flex-start;
    align-items: stretch;
    padding: 0;
    overflow: hidden;
}

#gb-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
#gb-list::-webkit-scrollbar { width: 0; height: 0; }

.gb-entry {
    -webkit-touch-callout: none;
    user-select: none;
    border-bottom: 1px solid rgba(0,0,0,0.15);
    padding: 4px 26px 6px 2px;
    font-size: 11px;
    color: var(--win-black);
    position: relative;
    word-break: break-word;
    white-space: pre-wrap;
    line-height: 1.5;
}
.gb-entry--admin {
    color: #e30808;
}
.gb-entry-date {
    font-size: 9px;
    opacity: 0.5;
    margin-top: 2px;
}
.gb-entry-del {
    position: absolute;
    top: 4px;
    right: 0;
    background: none;
    border: none;
    color: #888;
    font-size: 10px;
    cursor: pointer;
    padding: 0 2px;
}
.gb-entry-del:hover { color: #c00; }

.gb-form {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 6px;
    border-top: 2px solid;
    border-color: var(--win-dark-gray) transparent transparent transparent;
    background: var(--win-gray);
    z-index: 2;
}
.gb-form textarea {
    resize: none;
    height: 48px;
    padding: 4px 6px;
    border: 2px solid;
    border-color: var(--win-dark-gray) var(--win-gray) var(--win-gray) var(--win-dark-gray);
    background: var(--win-gray);
    font-family: 'MS Sans Serif', Tahoma, sans-serif;
    font-size: 11px;
    color: var(--win-black);
    outline: none;
    line-height: 1.4;
}
.gb-form-footer {
    display: flex;
    justify-content: flex-end;
}

@media (max-width: 1200px) {
    .window-3 .xp-body {
        grid-template-columns: 1fr;
    }
    .overlay-window {
        width: 50dvw;
        height: 65dvh;
    }
}

@media (max-width: 900px) {
    .container {
        width: 85dvw;
        height: 85dvh;
    }
    .main_layout {
        display: flex;
        flex-direction: column;
        gap: 50px;
    }

    .window-1 {
        position: relative;
        top: auto;
        left: auto;
        width: 100%;
        height: auto;
        flex: 0.2;
    }


    .window-2 {
        position: relative;
        top: auto;
        left: auto;
        width: 100%;
        height: auto;
        flex: 0.8;
    }

    .window-3 {
        position: absolute;
        top: 4%;
        left: -5%;
        right: auto;
        width: 100%;
        height: 90%;
        z-index: 50;
        display: none;
    }
    .sub_layout {
        position: absolute;
        bottom: 13%;
        left: 18%;
        z-index: 60;
        display: none;
    }
    .window-4 {
        width: 75dvw;
        height: 18dvh;
    }

    .window-5 {
        position: absolute;
        top: 10%;
        left: 20%;
        right: auto;
        width: 85%;
        height: 55%;
        z-index: 50;
        display: none;
    }

    .container.show-win3 .window-3 {
        display: flex;
    }
    .container.show-win4 .sub_layout {
        display: block;
    }
    .container.show-win5 .window-5 {
        display: flex;
    }
    .z-top {
        z-index: 100 !important;
    }

    .overlay-window {
        width: 82dvw;
        height: 72dvh;
    }
}