/* ================= HUD Wrapper ================= */
.hud-wrapper {
    position: fixed;
    top: 18px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
    z-index: 100;
}

/* ================= HUD ================= */
.hud {
    position: relative;
    width: 440px;
    max-width: calc(100vw - 200px - 18px - 18px - 20px); /* screen width - control panel width - control panel right margin - hud left margin - minimum gap */
    min-width: 150px;
    background: rgba(255,255,255,0.88);
    border-radius: 10px;
    box-shadow: 0 10px 28px rgba(0,0,0,0.18);
    overflow: hidden;
    transition: height 0.3s ease;
}

.hud.collapsed { height: 65px; }
.hud.expanded  { height: 230px; }

/* ================= Header ================= */
.hud-header {
    height: 56px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    user-select: none;
}

.hud-title {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 0.4px;
}

/* ================= Glowing Light ================= */
.hud-light {
    flex-shrink: 0;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ff2b2b;
    box-shadow:
        0 0 6px rgba(255,0,0,0.8),
        0 0 14px rgba(255,0,0,0.6);
    transition: opacity 0.2s, box-shadow 0.2s;
}

#light{
    position: absolute;
    right: 16px;
    cursor: pointer;
}

.hud-light.off {
    opacity: 0.25;
    box-shadow: none;
}

.hud-light.blink {
    animation: blink 0.7s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% {
        background: #ff2b2b;
        opacity: 1;
        box-shadow:
            0 0 10px rgba(255,0,0,0.9),
            0 0 20px rgba(255,0,0,0.7);
    }
    50% {
        background: #ff4510;
        opacity: 0.6;
        box-shadow:
            0 0 4px rgba(255,31,0,0.5),
            0 0 8px rgba(255,63,16,0.3);
    }
}

/* ================= Content ================= */
.hud-content {
    position: relative;
    padding: 12px 14px 34px;
    height: calc(100% - 56px);
    box-sizing: border-box;
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.hud.collapsed .hud-content {
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
}

.hud.expanded .hud-content {
    opacity: 1;
    transform: translateY(0);
}

.hud-text {
    height: 100%;
    padding-bottom: 32px;
    overflow-y: auto;
    overflow-x: hidden;
    white-space: pre-wrap;
    font-size: 14px;
    line-height: 1.45;
    outline: none;
    cursor: text;
}

.hud-comment-actions {
    position: relative;
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

.hud-comment-actions.visible {
    opacity: 1;
    pointer-events: auto;
}

.hud-comment-btn {
    background: linear-gradient(135deg, #f0f0f0, #e0e0e0);
    border: 1px solid #cfcfcf;
    border-radius: 6px;
    padding: 6px 10px;
    font-size: 12px;
    font-weight: 600;
    color: #333;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, opacity 0.15s ease;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    white-space: nowrap;
    min-width: 130px;
}

.hud-comment-btn:hover:not(:disabled) {
    background: linear-gradient(135deg, #e8e8e8, #dcdcdc);
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(0,0,0,0.12);
}

#hudUpdateComment {
    width: max-content;
    max-width: 190px;
}

@media (max-width: 600px) {
    #hudUpdateComment {
        width: max-content;
    }
}

#hudUpdateComment.delete {
    background: linear-gradient(135deg, #ffebee, #ffcdd2);
    border-color: #ef9a9a;
    color: #c62828;
}

#hudUpdateComment.delete:hover:not(:disabled) {
    background: linear-gradient(135deg, #ffcdd2, #ef9a9a);
    box-shadow: 0 2px 6px rgba(198, 40, 40, 0.2);
}

.hud-comment-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.hud-comment-btn.secondary {
    background: linear-gradient(135deg, #ffffff, #f3f3f3);
    color: #555;
}

/* Scrollbar */
.hud-text::-webkit-scrollbar {
    width: 6px;
}
.hud-text::-webkit-scrollbar-thumb {
    background: rgba(0,0,0,0.15);
    border-radius: 4px;
}
.hud-text::-webkit-scrollbar-track {
    background: transparent;
}

/* ================= Toggle ================= */
.hud-toggle {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;

    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;

    background: linear-gradient(
        to bottom,
        rgba(255,255,255,0) 0%,
        rgba(255,255,255,0.85) 70%,
        rgba(255,255,255,1) 100%
    );

    color: #333;
    cursor: pointer;
    user-select: none;
    z-index: 2;
}

.hud-toggle svg {
    width: 18px;
    height: 18px;
    display: block;
}

.hud-toggle:hover {
    background: linear-gradient(
        to bottom,
        rgba(255,255,255,0) 0%,
        rgba(245,245,245,0.9) 70%,
        #f0f0f0 100%
    );
}

/* ================= Control Panel ================= */
.control-panel {
    position: fixed;
    top: 18px;
    right: 18px;
    width: 200px;
    background: rgba(255,255,255,0.88);
    border-radius: 10px;
    box-shadow: 0 10px 28px rgba(0,0,0,0.18);
    overflow: hidden;
    transition: height 0.3s ease;
    display: flex;
    flex-direction: column;
}


/* ================= Remote Control ================= */
.remote-control {
    padding: 14px;
    display: flex;
    justify-content: center;
}

.remote-grid {
    display: grid;
    grid-template-columns: repeat(3, 50px);
    grid-template-rows: repeat(3, 50px);
    gap: 4px;
}

.remote-btn {
    background: linear-gradient(135deg, #f0f0f0, #e0e0e0);
    border: 1px solid #ccc;
    border-radius: 8px;
    padding-top: 0px;
    padding-left: 0px;
    padding-right: 8px;
    padding-bottom: 8px;
    cursor: pointer;
    font-size: 10px;
    font-weight: 600;
    color: #333;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.remote-btn.active:hover {
    background: linear-gradient(135deg, #e8e8e8, #d8d8d8);
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

.remote-btn.active:active {
    transform: translateY(0);
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.remote-btn.pressed {
    transform: translateY(1px);
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.remote-btn.ok.pressed {
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.remote-btn.up { grid-column: 2; grid-row: 1; }
.remote-btn.left { grid-column: 1; grid-row: 2; }
.remote-btn.ok { grid-column: 2; grid-row: 2; background: linear-gradient(135deg, #4CAF50, #45a049); color: white; border-color: #45a049; }
.remote-btn.right { grid-column: 3; grid-row: 2; }
.remote-btn.down { grid-column: 2; grid-row: 3; }

.remote-btn.ok.active:hover {
    background: linear-gradient(135deg, #45a049, #3d8b40);
}

.remote-btn.inactive{
    opacity: 50%;
}

/* ================= Select Box ================= */
.select-container {
    position: relative;
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
    padding-bottom: 28px;
}

.control-panel.collapsed .select-container {
    opacity: 0;
    pointer-events: none;
}

.control-panel.expanded .select-container {
    opacity: 1;
    transition: opacity 0.25s ease;
}

.select-container::-webkit-scrollbar {
    width: 6px;
}
.select-container::-webkit-scrollbar-thumb {
    background: rgba(0,0,0,0.15);
    border-radius: 4px;
}
.select-container::-webkit-scrollbar-track {
    background: transparent;
}

.select-option {
    padding: 10px 14px;
    font-size: 14px;
    color: #333;
    cursor: pointer;
    word-wrap: break-word;
    line-height: 1.4;
    transition: background 0.15s;
}

.select-option:hover {
    background: #f8f8f8;
}

.select-option.selected {
    background: #e3f2fd;
    color: #1976d2;
    font-weight: 500;
}

.hint-btn {
    padding: 10px 14px;
    font-size: 14px;
    font-weight: 600;
    color: #1976d2;
    background: #f0f7ff;
    cursor: pointer;
    text-align: center;
    transition: background 0.15s;
}

.hint-btn:hover {
    background: #e3f2fd;
}

.selected-display {
    padding: 10px 14px;
    font-size: 14px;
    color: #333;
    word-wrap: break-word;
    line-height: 1.4;
    min-height: 40px;
    box-sizing: border-box;
}

.control-panel.expanded .selected-display {
    display: none;
}

/* ================= Panel Toggle ================= */
.panel-toggle {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(
        to bottom,
        rgba(255,255,255,0) 0%,
        rgba(255,255,255,0.85) 70%,
        rgba(255,255,255,1) 100%
    );
    color: #333;
    cursor: pointer;
    user-select: none;
    z-index: 2;
}

.panel-toggle svg {
    width: 18px;
    height: 18px;
    display: block;
}

.panel-toggle:hover {
    background: linear-gradient(
        to bottom,
        rgba(255,255,255,0) 0%,
        rgba(245,245,245,0.9) 70%,
        #f0f0f0 100%
    );
}

/* ================= Buttons Panel ================= */
.buttons-panel {
    position: fixed;
    bottom: 18px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255,255,255,0.88);
    border-radius: 10px;
    box-shadow: 0 10px 28px rgba(0,0,0,0.18);
    padding: 8px;
    display: flex;
    gap: 0;
}

.btn-icon {
    width: 42px;
    height: 42px;
    background: transparent;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s ease;
    padding: 9px;
    border-radius: 6px;
}

.btn-icon svg {
    width: 100%;
    height: 100%;
    color: #555;
    transition: color 0.15s ease;
}

.btn-icon:hover {
    background: rgba(0,0,0,0.06);
}

.btn-icon:hover svg {
    color: #333;
}

.btn-icon:active {
    background: rgba(0,0,0,0.1);
}

.btn-icon.active {
    background: rgba(25, 118, 210, 0.12);
}

.btn-icon.active svg {
    color: #1976d2;
}