/* ===================== PDF 水印与页码 ===================== */
body.page-wmk-full .app { max-width: 100%; }
body.page-wmk-full .main-content { max-width: 100%; width: 100%; border-right: 0; }

.wmk-page {
    --wmk-bg: var(--bg-secondary, #f6f7fa);
    --wmk-card: var(--bg-primary, #fff);
    --wmk-border: var(--border-color, #e6e8eb);
    --wmk-text: var(--text-primary, #1f2328);
    --wmk-sub: var(--text-secondary, #6b7280);
    --wmk-accent: var(--accent, #136ce9);
    --wmk-danger: var(--danger, #d93025);

    max-width: none;
    margin: 0;
    padding: 26px 16px 72px;
    box-sizing: border-box;
    color: var(--wmk-text);
}

/* ---------- Hero ---------- */
.wmk-hero {
    display: flex; gap: 16px; align-items: flex-start;
    padding: 22px; background: var(--wmk-card);
    border: 1px solid var(--wmk-border); border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, .05);
}

.wmk-hero-icon {
    flex: 0 0 auto; width: 54px; height: 54px; border-radius: 14px;
    display: flex; align-items: center; justify-content: center; color: #fff;
    background: linear-gradient(135deg, #2f7ff5, #136ce9);
    box-shadow: 0 6px 16px rgba(19, 108, 233, .28);
}

.wmk-hero-icon svg { width: 28px; height: 28px; }
.wmk-hero-text { min-width: 0; }
.wmk-hero-text h1 { margin: 0 0 6px; font-size: 24px; line-height: 1.25; font-weight: 700; }
.wmk-hero-text p { margin: 0; font-size: 14px; line-height: 1.7; color: var(--wmk-sub); }
.wmk-hero-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }

.wmk-tag {
    font-size: 12px; padding: 4px 10px; border-radius: 999px;
    background: rgba(19, 108, 233, .08); color: var(--wmk-accent);
    border: 1px solid rgba(19, 108, 233, .18);
}

/* ---------- 卡片 ---------- */
.wmk-card {
    margin-top: 18px; padding: 20px; background: var(--wmk-card);
    border: 1px solid var(--wmk-border); border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, .04);
}

.wmk-card-title { margin: 0; font-size: 16px; font-weight: 700; }
.wmk-sec-head { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.wmk-sec-head .wmk-switch { margin-left: auto; }

/* ---------- 上传区 ---------- */
.wmk-drop {
    border: 2px dashed #c9d4e4; border-radius: 16px; padding: 34px 20px 26px;
    text-align: center; cursor: pointer;
    background: linear-gradient(180deg, rgba(19, 108, 233, .03), rgba(19, 108, 233, 0));
    transition: border-color .18s, background .18s;
}

.wmk-drop:hover, .wmk-drop:focus-visible { border-color: var(--wmk-accent); outline: none; }
.wmk-drop.is-over { border-color: var(--wmk-accent); background: rgba(19, 108, 233, .07); }

.wmk-drop-icon {
    width: 56px; height: 56px; margin: 0 auto 10px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--wmk-accent); background: rgba(19, 108, 233, .1);
}

.wmk-drop-icon svg { width: 28px; height: 28px; }
.wmk-drop-title { font-size: 17px; font-weight: 700; margin-bottom: 14px; }
.wmk-drop-btn { pointer-events: none; }

.wmk-drop-sub {
    margin-top: 12px; font-size: 13px; color: var(--wmk-sub);
    display: flex; gap: 8px; justify-content: center; flex-wrap: wrap;
}

.wmk-drop-or { position: relative; padding-left: 10px; }
.wmk-drop-or::before {
    content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
    width: 1px; height: 12px; background: #d5dbe5;
}

.wmk-drop-hint { margin-top: 10px; font-size: 12px; color: #9aa3b2; }

/* ---------- 文件列表 ---------- */
.wmk-files-head {
    display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
    margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--wmk-border);
}

.wmk-files-info { font-size: 14px; color: var(--wmk-sub); }
.wmk-files-info strong { color: var(--wmk-text); font-size: 15px; }
.wmk-files-ops { margin-left: auto; display: flex; gap: 8px; }
.wmk-files { margin-top: 14px; display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }

.wmk-file { border: 1px solid var(--wmk-border); border-radius: 12px; background: var(--wmk-card); padding: 10px 12px; }
.wmk-file-name { font-size: 13px; font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.wmk-file-meta { margin-top: 4px; font-size: 12px; color: var(--wmk-sub); }

.wmk-file-ops { margin-top: 8px; display: flex; gap: 6px; }

.wmk-file-ops button {
    flex: 1; padding: 5px 0; font-size: 12px; border: 1px solid var(--wmk-border);
    border-radius: 8px; background: var(--wmk-card); color: var(--wmk-sub); cursor: pointer;
}

.wmk-file-ops button:hover { color: var(--wmk-danger); border-color: var(--wmk-danger); background: rgba(217, 48, 37, .06); }

/* ---------- 开关 / 分段 / 表单 ---------- */
.wmk-switch { display: flex; align-items: center; gap: 7px; font-size: 13px; font-weight: 700; cursor: pointer; }
.wmk-switch input { accent-color: var(--wmk-accent); width: 16px; height: 16px; }

.wmk-pane { padding-top: 4px; }

.wmk-field { margin-bottom: 16px; }
.wmk-label { display: block; margin-bottom: 7px; font-size: 13px; font-weight: 700; }

.wmk-segs { display: inline-flex; gap: 6px; padding: 4px; background: var(--wmk-bg); border: 1px solid var(--wmk-border); border-radius: 12px; }

.wmk-seg {
    padding: 8px 16px; font-size: 13px; border: 0; border-radius: 9px;
    background: transparent; color: var(--wmk-sub); cursor: pointer;
}

.wmk-seg.is-active { background: var(--wmk-card); color: var(--wmk-accent); font-weight: 700; box-shadow: 0 1px 4px rgba(0, 0, 0, .1); }

.wmk-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; }
.wmk-inline { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.wmk-inline-note { font-size: 12px; color: var(--wmk-sub); }

.wmk-input {
    padding: 9px 12px; font-size: 14px; color: var(--wmk-text);
    background: var(--wmk-bg); border: 1px solid var(--wmk-border); border-radius: 10px;
}

.wmk-input:focus { outline: none; border-color: var(--wmk-accent); background: #fff; }
.wmk-select { width: 100%; box-sizing: border-box; }
.wmk-num { width: 110px; }
.wmk-color { width: 52px; height: 36px; padding: 2px; border: 1px solid var(--wmk-border); border-radius: 8px; background: var(--wmk-bg); cursor: pointer; }

input[type="range"].wmk-input { padding: 0; width: 100%; accent-color: var(--wmk-accent); }

/* ---------- 按钮 ---------- */
.wmk-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding: 11px 22px; font-size: 14px; font-weight: 700;
    border-radius: 10px; border: 1px solid transparent; cursor: pointer;
    transition: transform .12s, box-shadow .15s, background .15s, opacity .15s;
}

.wmk-btn:disabled { opacity: .5; cursor: not-allowed; }
.wmk-btn-primary { background: var(--wmk-accent); color: #fff; box-shadow: 0 6px 16px rgba(19, 108, 233, .26); }
.wmk-btn-primary:not(:disabled):hover { transform: translateY(-1px); box-shadow: 0 8px 20px rgba(19, 108, 233, .32); }
.wmk-btn-ghost { background: var(--wmk-card); color: var(--wmk-sub); border-color: var(--wmk-border); }
.wmk-btn-ghost:hover { color: var(--wmk-text); border-color: #c3ccd9; }
.wmk-btn-sm { padding: 7px 14px; font-size: 13px; border-radius: 9px; }
.wmk-btn-lg { padding: 14px 40px; font-size: 16px; }
.wmk-actions { margin-top: 22px; text-align: center; }

/* ---------- 进度 / 结果 ---------- */
.wmk-progress { margin-top: 18px; }
.wmk-progress-track { height: 8px; border-radius: 999px; background: #e8ecf3; overflow: hidden; }

.wmk-progress-bar {
    height: 100%; width: 0; border-radius: 999px;
    background: linear-gradient(90deg, #2f7ff5, #136ce9); transition: width .2s;
}

.wmk-progress-text { margin-top: 8px; font-size: 13px; color: var(--wmk-sub); text-align: center; }

.wmk-error {
    margin-top: 16px; padding: 12px 14px; border-radius: 10px; font-size: 13px;
    background: rgba(217, 48, 37, .08); border: 1px solid rgba(217, 48, 37, .25); color: var(--wmk-danger);
}

.wmk-result { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.wmk-result-head { display: flex; align-items: center; gap: 12px; min-width: 0; }
.wmk-result-icon { font-size: 26px; }
.wmk-result-title { font-size: 16px; font-weight: 700; }
.wmk-result-stats { margin-top: 3px; font-size: 13px; color: var(--wmk-sub); }
.wmk-result-ops { margin-left: auto; display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- 说明 ---------- */
.wmk-help summary { cursor: pointer; font-size: 15px; font-weight: 700; }
.wmk-help ol, .wmk-help dl { margin: 12px 0 0; padding-left: 20px; font-size: 14px; line-height: 1.8; color: var(--wmk-sub); }
.wmk-help dt { font-weight: 700; color: var(--wmk-text); }
.wmk-help dd { margin: 0 0 10px; }
.wmk-help strong { color: var(--wmk-text); }
.wmk-help code { padding: 1px 5px; border-radius: 5px; background: rgba(19, 108, 233, .08); color: var(--wmk-accent); font-size: 13px; }

/* ---------- Toast ---------- */
.wmk-toast {
    position: fixed; left: 50%; bottom: 40px; transform: translate(-50%, 16px);
    padding: 10px 18px; border-radius: 10px; background: rgba(28, 34, 45, .92);
    color: #fff; font-size: 13px; opacity: 0; pointer-events: none;
    transition: opacity .2s, transform .2s; z-index: 9999;
}

.wmk-toast.is-show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 640px) {
    .wmk-page { padding: 16px 12px 56px; }
    .wmk-hero { padding: 18px 16px; gap: 12px; }
    .wmk-hero-text h1 { font-size: 20px; }
    .wmk-card { padding: 16px; }
    .wmk-drop { padding: 24px 14px 20px; }
    .wmk-drop-sub { flex-direction: column; gap: 4px; }
    .wmk-drop-or::before { display: none; }
    .wmk-files { grid-template-columns: 1fr; }
    .wmk-files-ops { margin-left: 0; }
    .wmk-btn-lg { width: 100%; }
    .wmk-result-ops { margin-left: 0; width: 100%; }
    .wmk-result-ops .wmk-btn { flex: 1; }
}