@media screen {
    :root {
        --paper-bg-image: url("/images/back.jpg");
        --paper-font-size: 22px;
    }

    html,
    body {
        margin: 0;
        width: 100%;
        height: 100%;
        overflow: hidden;
    }

    body {
        font: normal 14px Arial, Helvetica, sans-serif;
        color: #ffffff;
        position: relative;
        background: #0f1115;
    }

    .scene-bg {
        position: fixed;
        inset: 0;
        background-image: var(--paper-bg-image);
        background-position: center;
        background-repeat: no-repeat;
        background-size: cover;
        filter: saturate(1.05) contrast(1.04);
        z-index: 0;
    }

    .scene-bg::before {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(8, 13, 20, 0.25), rgba(8, 13, 20, 0.45));
    }

    #rain-layer {
        position: fixed;
        inset: 0;
        z-index: 1;
        pointer-events: none;
    }

    .container {
        position: absolute !important;
        top: 8%;
        right: 8%;
        bottom: 8%;
        left: 8%;
        z-index: 2;
    }

    #save-status-wrap {
        position: absolute;
        top: -42px;
        right: 6px;
        z-index: 20;
        color: #ffffff;
    }

    #message {
        position: absolute;
        top: -45px;
        left: 0;
        padding: 6px 12px;
        border-radius: 8px;
        background: rgba(255, 255, 255, 0.15);
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
        color: #ffffff;
        font-size: 14px;
        border: 1px solid rgba(255, 255, 255, 0.2);
        z-index: 15;
        opacity: 0;
        transition: opacity 0.3s ease;
    }

    .contentdiv {
        position: absolute;
        inset: 0;
        border-radius: 24px;
        background: rgba(0, 0, 0, 0.35);
        backdrop-filter: blur(14px) saturate(120%);
        -webkit-backdrop-filter: blur(14px) saturate(120%);
        border: 1px solid rgba(255, 255, 255, 0.15);
        box-shadow: 0 22px 60px rgba(5, 13, 26, 0.45);
    }

    .content {
        width: 100%;
        height: 100%;
        min-height: 100%;
        position: absolute !important;
        box-sizing: border-box;
        border-radius: 24px;
        padding: 32px;
        border: none !important;
        background: rgba(255, 255, 255, 0.02) !important;
        resize: none;
        overflow-y: auto;
        color: #ffffff !important;
        line-height: 1.85;
        font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", sans-serif;
        font-size: var(--paper-font-size);
        letter-spacing: 0.02em;
        text-rendering: optimizeLegibility;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    .content::placeholder {
        color: rgba(255, 255, 255, 0.65);
    }

    .content:focus {
        outline: none;
    }

    .content::-webkit-scrollbar {
        width: 10px;
    }

    .content::-webkit-scrollbar-thumb {
        background: rgba(255, 255, 255, 0.28);
        border-radius: 999px;
    }

    .content::-webkit-scrollbar-track {
        background: rgba(255, 255, 255, 0.08);
        border-radius: 999px;
    }

    #controls {
        bottom: 14px;
        color: rgba(255, 255, 255, 0.8);
        text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
    }

    #controls a {
        color: rgba(255, 255, 255, 0.82);
    }

    #controls a:hover {
        color: #ffffff;
    }

    .glass-tools {
        position: absolute;
        top: -60px;
        right: 0;
        display: flex;
        gap: 12px;
        align-items: center;
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        padding: 8px 16px;
        border-radius: 20px;
        border: 1px solid rgba(255, 255, 255, 0.2);
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        z-index: 15;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
    }

    #controls-trigger {
        position: absolute;
        top: -50px;
        right: 0;
        width: 32px;
        height: 32px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.15);
        backdrop-filter: blur(4px);
        -webkit-backdrop-filter: blur(4px);
        border: 1px solid rgba(255, 255, 255, 0.3);
        cursor: pointer;
        z-index: 16;
        transition: opacity 0.2s ease, transform 0.2s ease;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    #controls-trigger::after {
        content: "\22EE";
        color: rgba(255, 255, 255, 0.8);
        font-size: 20px;
        line-height: 1;
    }

    #controls-trigger:hover,
#controls-trigger:hover + .glass-tools,
    .glass-tools:focus-within,
    .glass-tools:hover {
        opacity: 1;
        visibility: visible;
    }

    #controls-trigger:hover {
        opacity: 0;
        pointer-events: none;
    }

    .glass-tools input,
    .glass-tools select,
    .glass-tools button {
        border: 1px solid rgba(255, 255, 255, 0.25);
        background: rgba(0, 0, 0, 0.2);
        color: #ffffff;
        border-radius: 8px;
        height: 30px;
        padding: 0 10px;
        font-size: 12px;
    }

    .glass-tools button {
        cursor: pointer;
        background: rgba(255, 255, 255, 0.2);
    }

    .glass-tools button:hover {
        background: rgba(255, 255, 255, 0.32);
    }

    .glass-tools .rain-value {
        min-width: 40px;
        font-size: 12px;
        opacity: 0.9;
    }

    #rain-layer.fallback-rain-canvas {
        overflow: hidden;
    }

    #rain-layer.fallback-rain-canvas canvas {
        mix-blend-mode: screen;
        opacity: 0.9;
    }

    .print {
        display: none;
    }
}

@media screen and (max-width: 768px) {
    .container {
        top: 16px;
        right: 16px;
        bottom: 16px;
        left: 16px;
    }

    .content {
        padding: 22px 18px 56px;
        font-size: clamp(16px, 4vw, 20px);
        line-height: 1.75;
    }

    .glass-tools {
        top: -64px;
        left: auto;
        right: 0;
        gap: 8px;
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
    }

    #save-status-wrap {
        top: -94px;
    }
}

@media print {
    .container {
        display: none;
    }

    .print {
        font-size: 10px;
    }
}