/* ===================== PDF 加密 / 解锁 ===================== */
body.page-sec-full .app { max-width: 100%; }
body.page-sec-full .main-content { max-width: 100%; width: 100%; border-right: 0; }

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

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

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

.sec-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, #f0a020, #e8820c);
    box-shadow: 0 6px 16px rgba(232, 130, 12, .28);
}

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

.sec-tag {
    font-size: 12px; padding: 4px 10px; border-radius: 999px;
    background: rgba(232, 130, 12, .1); color: #c9700a;
    border: 1px solid rgba(232, 130, 12, .2);
}

/* ---------- 模式切换 ---------- */
.sec-modes { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; }
.sec-mode {
    flex: 1 1 0; min-width: 160px; padding: 13px 16px; font-size: 15px; font-weight: 700;
    border: 1px solid var(--sec-border); border-radius: 12px; cursor: pointer;
    background: var(--sec-card); color: var(--sec-sub); transition: all .15s;
}

.sec-mode:hover { border-color: var(--sec-accent); color: var(--sec-accent); }
.sec-mode.is-active {
    background: var(--sec-accent); color: #fff; border-color: var(--sec-accent);
    box-shadow: 0 6px 16px rgba(19, 108, 233, .26);
}

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

.sec-card-title { margin: 0 0 16px; font-size: 16px; font-weight: 700; }

/* ---------- 上传区 ---------- */
.sec-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;
}

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

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

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

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

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

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

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

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

.sec-file { border: 1px solid var(--sec-border); border-radius: 12px; background: var(--sec-card); padding: 10px 12px; }
.sec-file-name { font-size: 13px; font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sec-file-meta { margin-top: 4px; font-size: 12px; color: var(--sec-sub); }
.sec-file-meta .badge { font-weight: 700; }
.sec-file-meta .badge-enc { color: var(--sec-danger); }
.sec-file-meta .badge-ok { color: #0a8f5a; }
.sec-file-meta .badge-err { color: var(--sec-danger); }

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

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

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

/* ---------- 表单 ---------- */
.sec-field { margin-bottom: 16px; }
.sec-label { display: block; margin-bottom: 7px; font-size: 13px; font-weight: 700; }
.sec-input {
    width: 100%; box-sizing: border-box; padding: 11px 13px; font-size: 14px; color: var(--sec-text);
    background: var(--sec-bg); border: 1px solid var(--sec-border); border-radius: 10px;
}

.sec-input:focus { outline: none; border-color: var(--sec-accent); background: #fff; }

.sec-perm { display: flex; gap: 18px; flex-wrap: wrap; margin-bottom: 14px; }
.sec-check { display: flex; align-items: center; gap: 7px; font-size: 13px; font-weight: 600; cursor: pointer; }
.sec-check input { accent-color: var(--sec-accent); width: 16px; height: 16px; }

.sec-note { font-size: 12.5px; color: var(--sec-sub); line-height: 1.7; }
.sec-note-strong { font-weight: 700; color: var(--sec-text); margin-bottom: 14px; }

/* ---------- 按钮 ---------- */
.sec-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;
}

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

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

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

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

.sec-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(--sec-danger);
}

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

/* ---------- 说明 ---------- */
.sec-help summary { cursor: pointer; font-size: 15px; font-weight: 700; }
.sec-help ol, .sec-help dl { margin: 12px 0 0; padding-left: 20px; font-size: 14px; line-height: 1.8; color: var(--sec-sub); }
.sec-help dt { font-weight: 700; color: var(--sec-text); }
.sec-help dd { margin: 0 0 10px; }
.sec-help strong { color: var(--sec-text); }

/* ---------- Toast ---------- */
.sec-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;
}

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

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