/* ======================================================================
 * 作文开头结尾素材库 —— 基于整站设计令牌（home.css :root 变量）
 * ====================================================================== */

/* 全局轻提示（FileKit.toast 依赖的样式整站仅 file-tool.css 有，本页未加载，
   若不补齐则提示以无样式 div 出现在页面底部、用户看不见） */
.ft-toast {
    position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(10px);
    background: rgba(24, 28, 40, .94); color: #fff; font-size: 14px; font-weight: 600;
    padding: 11px 20px; border-radius: 999px; z-index: 9999;
    opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s;
    box-shadow: 0 8px 24px rgba(0, 0, 0, .22); max-width: 88vw; text-align: center;
}
.ft-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

#essayApp .eo-hero { text-align: center; padding: 12px 10px 0; }
#essayApp .eo-hero h1 { font-size: 30px; font-weight: 800; color: var(--c-text); margin-bottom: 10px; }
#essayApp .eo-hero-sub { font-size: 15px; color: var(--c-text-sub); line-height: 1.7; }
#essayApp .eo-notes {
    display: inline-block; margin-top: 14px; padding: 9px 16px; border-radius: 999px;
    background: var(--c-primary-soft); color: var(--c-primary);
    font-size: 13px; font-weight: 600; line-height: 1.6;
}

/* ---------- 搜索 / 筛选 ---------- */
#essayApp .eo-toolbar {
    display: flex; flex-wrap: wrap; gap: 12px; justify-content: center;
    align-items: center; margin: 20px 0 16px;
}
#essayApp .eo-search {
    border: 1px solid var(--c-border); border-radius: 999px; padding: 10px 16px;
    font-size: 14px; min-width: 220px; background: var(--c-surface);
    color: var(--c-text); outline: none; transition: border-color .2s;
}
#essayApp .eo-search:focus { border-color: var(--c-primary); }
#essayApp .eo-search::placeholder { color: var(--c-text-muted); }
#essayApp .eo-filters { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
#essayApp .eo-chip {
    border: 2px solid var(--c-border); background: transparent; color: var(--c-text-sub);
    border-radius: 999px; padding: 8px 14px; font-size: 13px; font-weight: 700;
    cursor: pointer; transition: background .15s, color .15s, border-color .15s;
}
#essayApp .eo-chip:hover { border-color: var(--c-primary); color: var(--c-primary); }
#essayApp .eo-chip.is-on { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }

/* ---------- 标签页 ---------- */
#essayApp .eo-tabs { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-bottom: 18px; }
#essayApp .eo-tab {
    border: 2px solid var(--c-border); background: transparent; color: var(--c-text-sub);
    border-radius: 999px; padding: 9px 18px; font-size: 14px; font-weight: 700;
    cursor: pointer; transition: background .15s, color .15s, border-color .15s;
}
#essayApp .eo-tab:hover { border-color: var(--c-primary); color: var(--c-primary); }
#essayApp .eo-tab.is-on { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }

/* ---------- 素材卡片 ---------- */
#essayApp .eo-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
#essayApp .eo-card {
    background: var(--c-surface); border: 1px solid var(--c-border);
    border-radius: var(--radius-md); padding: 18px; box-shadow: var(--shadow-md);
    display: flex; flex-direction: column; gap: 14px;
}
#essayApp .eo-card-theme {
    font-size: 12px; font-weight: 700; color: var(--c-primary);
    background: var(--c-primary-soft); border-radius: 999px;
    padding: 4px 10px; align-self: flex-start;
}
#essayApp .eo-card-text { font-size: 16px; line-height: 1.9; color: var(--c-text); white-space: pre-wrap; }
#essayApp .eo-card-actions { display: flex; gap: 8px; flex-wrap: wrap; }
#essayApp .eo-act {
    border: none; border-radius: 999px; padding: 9px 14px; font-size: 13px;
    font-weight: 700; color: #fff; cursor: pointer; transition: opacity .15s;
}
#essayApp .eo-act:hover { opacity: .88; }
#essayApp .eo-act:active { transform: translateY(1px); }
#essayApp .eo-act--copy { background: linear-gradient(135deg, var(--c-accent-cyan), var(--c-primary)); }
#essayApp .eo-act--read { background: linear-gradient(135deg, var(--c-accent-green), var(--c-accent-cyan)); }
#essayApp .eo-act--fav { background: var(--c-surface-2); color: var(--c-text-sub); border: 1px solid var(--c-border); }
#essayApp .eo-act--fav.on { background: linear-gradient(135deg, var(--c-accent-orange), var(--c-accent-pink)); color: #fff; border-color: transparent; }

/* ---------- 好词好句 ---------- */
#essayApp .eo-words-wrap { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
#essayApp .eo-words-box {
    background: var(--c-surface); border: 1px solid var(--c-border);
    border-radius: var(--radius-md); padding: 18px; box-shadow: var(--shadow-md);
}
#essayApp .eo-words-box h3 { font-size: 16px; font-weight: 800; color: var(--c-text); margin-bottom: 12px; }
#essayApp .eo-word-chip {
    display: inline-block; margin: 4px; padding: 7px 13px; border-radius: 999px;
    background: var(--c-primary-soft); color: var(--c-primary); font-size: 14px; font-weight: 600;
}
#essayApp .eo-sentence {
    font-size: 15px; line-height: 1.9; color: var(--c-text);
    margin-bottom: 10px; padding-left: 14px; border-left: 3px solid var(--c-primary);
}
#essayApp .eo-sentence:last-child { margin-bottom: 0; }

#essayApp .eo-empty {
    grid-column: 1 / -1; text-align: center; padding: 40px 20px;
    color: var(--c-text-muted); font-size: 14px;
}

/* ---------- AI 区 ---------- */
#essayApp .eo-ai { max-width: 760px; margin: 30px auto 0; }
#essayApp .eo-ai h2 { font-size: 20px; font-weight: 800; color: var(--c-text); margin-bottom: 8px; }
#essayApp .eo-ai-sub { font-size: 14px; color: var(--c-text-sub); line-height: 1.8; margin-bottom: 14px; }
#essayApp .eo-ai-fields { display: flex; gap: 10px; flex-wrap: wrap; }
#essayApp .eo-ai-fields input {
    flex: 1; min-width: 180px; border: 1px solid var(--c-border); border-radius: var(--radius-sm);
    padding: 11px 14px; font-size: 14px; background: var(--c-surface);
    color: var(--c-text); outline: none; transition: border-color .2s;
}
#essayApp .eo-ai-fields input:focus { border-color: var(--c-primary); }
#essayApp .eo-ai-fields input::placeholder { color: var(--c-text-muted); }
#essayApp .eo-ai-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; }
#essayApp .eo-btn {
    border: none; border-radius: 999px; padding: 12px 20px; font-size: 15px; font-weight: 700;
    color: #fff; cursor: pointer; transition: opacity .15s, transform .12s;
    background: linear-gradient(135deg, var(--c-primary), var(--c-accent-cyan));
    box-shadow: var(--shadow-md);
}
#essayApp .eo-btn:hover { opacity: .9; }
#essayApp .eo-btn:active { transform: translateY(1px); }
#essayApp .eo-btn:disabled { opacity: .55; cursor: default; }
#essayApp .eo-btn--ai { background: linear-gradient(135deg, var(--c-accent-purple), var(--c-primary)); }
#essayApp .eo-btn--ai-soft { background: var(--c-surface-2); color: var(--c-text); box-shadow: none; border: 1px solid var(--c-border); }
#essayApp .eo-ai-out {
    margin-top: 14px; background: var(--c-surface-soft); border: 1px solid var(--c-border);
    border-radius: var(--radius-sm); padding: 16px 18px;
    font-size: 15px; line-height: 1.85; color: var(--c-text); white-space: pre-wrap;
}
#essayApp .eo-ai-out p { margin-bottom: 8px; }
#essayApp .eo-ai-out p:last-child { margin-bottom: 0; }
#essayApp .eo-ai-out .eo-word-chip { cursor: default; }

/* ---------- 说明列表（全局已重置 margin/padding，需显式设置）---------- */
#essayApp .eo-info { max-width: 760px; margin: 30px auto 0; }
#essayApp .eo-info h2 { font-size: 20px; font-weight: 800; color: var(--c-text); margin-bottom: 8px; }
#essayApp .eo-info ul { list-style: disc; padding-left: 22px; margin-bottom: 26px; }
#essayApp .eo-info li { font-size: 14px; line-height: 1.9; color: var(--c-text-sub); margin-bottom: 8px; }
#essayApp .eo-info li b { color: var(--c-text); }

/* ---------- 响应式 ---------- */
@media (max-width: 640px) {
    #essayApp .eo-list, #essayApp .eo-words-wrap { grid-template-columns: 1fr; }
    #essayApp .eo-hero h1 { font-size: 24px; }
}