/* 图片尺寸调整（/tools/image-resizer）样式
   约定：class 前缀 irs-；配色沿用站点主题变量，自动适配深/浅色。
   注意：本站多处用 display:flex 声明容器，凡用 hidden 属性控制显隐的元素
         都必须补 [hidden]{display:none!important} 兜底，否则 hidden 不生效。 */

.irs {
    --irs-radius: 14px;
    padding: 22px 24px 56px;
    box-sizing: border-box;
    color: var(--text-primary, #111827);
}

/* ---------- 头部 ---------- */
.irs-hero { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.irs-hero-ico {
    flex: 0 0 52px; width: 52px; height: 52px; border-radius: 15px;
    display: flex; align-items: center; justify-content: center; font-size: 26px;
    background: linear-gradient(135deg, color-mix(in srgb, var(--accent, #136ce9) 18%, transparent), color-mix(in srgb, var(--accent, #136ce9) 6%, transparent));
    border: 1px solid color-mix(in srgb, var(--accent, #136ce9) 24%, transparent);
}
.irs-title { margin: 0; font-size: 26px; font-weight: 800; letter-spacing: .2px; }
.irs-sub { margin: 5px 0 0; font-size: 13.5px; line-height: 1.6; color: var(--text-secondary, #6b7280); }

/* ---------- 提示条 ---------- */
.irs-note {
    margin: 0 0 14px; padding: 9px 13px; border-radius: 10px;
    font-size: 13px; line-height: 1.5;
    background: color-mix(in srgb, var(--accent, #136ce9) 10%, transparent);
    border: 1px solid color-mix(in srgb, var(--accent, #136ce9) 26%, transparent);
}
.irs-note.is-err {
    background: color-mix(in srgb, #dc2626 10%, transparent);
    border-color: color-mix(in srgb, #dc2626 32%, transparent);
    color: #b91c1c;
}
.irs-note.is-warn {
    background: color-mix(in srgb, #f59e0b 12%, transparent);
    border-color: color-mix(in srgb, #f59e0b 34%, transparent);
    color: #b45309;
}
.irs-note.is-ok {
    background: color-mix(in srgb, #16a34a 10%, transparent);
    border-color: color-mix(in srgb, #16a34a 30%, transparent);
    color: #15803d;
}
.irs-note[hidden] { display: none !important; }

/* ---------- 上传区 ---------- */
.irs-drop {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 6px; padding: 42px 20px; text-align: center; cursor: pointer;
    border: 2px dashed var(--border-color, #e5e7eb); border-radius: 20px;
    background: var(--bg-primary, #fff);
    transition: border-color .15s, background .15s;
}
.irs-drop:hover { border-color: color-mix(in srgb, var(--accent, #136ce9) 45%, transparent); }
.irs-drop.is-over {
    border-color: var(--accent, #136ce9);
    background: color-mix(in srgb, var(--accent, #136ce9) 6%, transparent);
}
.irs-drop-ico { font-size: 38px; line-height: 1; }
.irs-drop-t { margin: 4px 0 0; font-size: 16px; font-weight: 600; }
.irs-drop-s { margin: 0; font-size: 12.5px; line-height: 1.7; color: var(--text-secondary, #6b7280); }
.irs-drop .irs-btn-go { margin-top: 10px; flex: 0 0 auto; }
.irs-drop[hidden], .irs-work[hidden], .irs-queue[hidden] { display: none !important; }

/* ---------- 工作区 ---------- */
.irs-work { margin-top: 16px; }
.irs-cols { display: grid; grid-template-columns: 340px minmax(0, 1fr); gap: 16px; align-items: start; }
.irs-side { display: flex; flex-direction: column; gap: 12px; }
.irs-main { min-width: 0; }

.irs-card {
    padding: 14px 15px; box-sizing: border-box;
    background: var(--bg-primary, #fff);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: var(--irs-radius);
}
.irs-card-title { margin: 0 0 10px; font-size: 14px; font-weight: 700; }

.irs-label { font-size: 12px; font-weight: 600; color: var(--text-secondary, #6b7280); }
.irs-wh { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.irs-field { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.irs-input {
    width: 100%; box-sizing: border-box; height: 34px; padding: 0 10px;
    font-size: 14px; font-variant-numeric: tabular-nums;
    color: var(--text-primary, #111827);
    background: var(--bg-secondary, #f8fafc);
    border: 1px solid var(--border-color, #e5e7eb); border-radius: 9px;
}
.irs-input:focus { outline: none; border-color: var(--accent, #136ce9); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent, #136ce9) 14%, transparent); }
.irs-input-sm { height: 30px; text-align: center; padding: 0 20px 0 6px; }
.irs-export { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 10px; align-items: end; }
.irs-export.is-png { grid-template-columns: 1fr; }

.irs-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 10px; }
.irs-row-tight { margin-top: 0; justify-content: space-between; }
.irs-block { margin-top: 12px; }
.irs-check { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; cursor: pointer; user-select: none; }
.irs-check input { width: 15px; height: 15px; accent-color: var(--accent, #136ce9); }
.irs-check-block { margin-top: 12px; }
.irs-dim { font-style: normal; color: var(--text-secondary, #6b7280); font-size: 11.5px; }
.irs-ratio { font-size: 11.5px; color: var(--text-secondary, #6b7280); font-variant-numeric: tabular-nums; }
.irs-pct { font-size: 12px; font-weight: 700; color: var(--accent, #136ce9); font-variant-numeric: tabular-nums; }
.irs-pct-fixed { flex: 0 0 38px; text-align: right; }
.irs-pctbox { position: relative; flex: 0 0 62px; }
.irs-pctbox i { position: absolute; right: 7px; top: 50%; transform: translateY(-50%); font-style: normal; font-size: 11px; color: var(--text-secondary, #6b7280); pointer-events: none; }

.irs-slider-row { display: flex; align-items: center; gap: 8px; }
.irs-range { flex: 1 1 auto; min-width: 0; height: 4px; accent-color: var(--accent, #136ce9); cursor: pointer; }

.irs-presets { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 7px; }

/* ---------- 按钮 ---------- */
.irs-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 5px;
    min-height: 34px; padding: 0 13px; cursor: pointer;
    font-size: 13px; font-weight: 600; font-family: inherit;
    color: var(--text-primary, #111827);
    background: var(--bg-secondary, #f3f4f6);
    border: 1px solid var(--border-color, #e5e7eb); border-radius: 9px;
    transition: border-color .15s, color .15s, background .15s;
}
.irs-btn:hover { border-color: var(--accent, #136ce9); color: var(--accent, #136ce9); }
.irs-btn:disabled { opacity: .5; cursor: not-allowed; }
.irs-btn:disabled:hover { border-color: var(--border-color, #e5e7eb); color: var(--text-primary, #111827); }
.irs-btn-mini { min-height: 26px; padding: 0 9px; font-size: 12px; border-radius: 7px; }
.irs-btn-go {
    color: #fff; background: var(--accent, #136ce9); border-color: var(--accent, #136ce9);
}
.irs-btn-go:hover { color: #fff; background: color-mix(in srgb, var(--accent, #136ce9) 86%, #000); border-color: color-mix(in srgb, var(--accent, #136ce9) 86%, #000); }
.irs-btn-go:disabled:hover { color: #fff; background: var(--accent, #136ce9); }

.irs-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.irs-actions .irs-btn-go { grid-column: 1 / -1; min-height: 38px; font-size: 14px; }

/* ---------- 预览 ---------- */
.irs-previews { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.irs-pane {
    display: flex; flex-direction: column; min-width: 0;
    padding: 12px; box-sizing: border-box;
    background: var(--bg-primary, #fff);
    border: 1px solid var(--border-color, #e5e7eb); border-radius: var(--irs-radius);
}
.irs-pane-head { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; margin-bottom: 9px; }
.irs-pane-title { margin: 0; font-size: 13.5px; font-weight: 700; }
.irs-pane-meta { font-size: 11.5px; color: var(--text-secondary, #6b7280); font-variant-numeric: tabular-nums; word-break: break-all; }
.irs-stage {
    position: relative; flex: 1 1 auto; min-height: 240px;
    display: flex; align-items: center; justify-content: center;
    padding: 10px; box-sizing: border-box; overflow: hidden;
    background: color-mix(in srgb, var(--text-primary, #111827) 4%, transparent);
    background-image:
        linear-gradient(45deg, color-mix(in srgb, var(--text-primary, #111827) 6%, transparent) 25%, transparent 25%),
        linear-gradient(-45deg, color-mix(in srgb, var(--text-primary, #111827) 6%, transparent) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, color-mix(in srgb, var(--text-primary, #111827) 6%, transparent) 75%),
        linear-gradient(-45deg, transparent 75%, color-mix(in srgb, var(--text-primary, #111827) 6%, transparent) 75%);
    background-size: 18px 18px; background-position: 0 0, 0 9px, 9px -9px, -9px 0;
    border: 1px dashed var(--border-color, #e5e7eb); border-radius: 11px;
}
.irs-img { max-width: 100%; max-height: 560px; object-fit: contain; display: block; }
.irs-img[hidden] { display: none !important; }
.irs-stage-empty { margin: 0; font-size: 13px; color: var(--text-secondary, #6b7280); }
.irs-stage-empty[hidden] { display: none !important; }
.irs-hint { margin: 10px 0 0; font-size: 11.5px; line-height: 1.6; color: var(--text-secondary, #6b7280); }

/* ---------- 队列 ---------- */
.irs-queue {
    margin-bottom: 14px; padding: 12px 14px; box-sizing: border-box;
    background: var(--bg-primary, #fff);
    border: 1px solid var(--border-color, #e5e7eb); border-radius: var(--irs-radius);
}
.irs-queue-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.irs-count { font-size: 12px; font-variant-numeric: tabular-nums; color: var(--text-secondary, #6b7280); }
.irs-queue-head .irs-btn-mini { margin-left: auto; }
.irs-list {
    display: flex; gap: 8px; overflow-x: auto; padding: 10px 2px 2px;
    scrollbar-width: thin;
}
.irs-thumb {
    position: relative; flex: 0 0 auto; width: 74px; cursor: pointer;
    border: 2px solid transparent; border-radius: 10px; overflow: hidden;
    background: var(--bg-secondary, #f3f4f6);
}
.irs-thumb img { width: 74px; height: 56px; object-fit: cover; display: block; }
.irs-thumb.is-on { border-color: var(--accent, #136ce9); }
.irs-thumb-cap {
    font-size: 10.5px; line-height: 1.3; padding: 3px 4px; text-align: center;
    color: var(--text-secondary, #6b7280);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.irs-thumb-del {
    position: absolute; top: 2px; right: 2px; width: 18px; height: 18px; padding: 0;
    border-radius: 6px; border: none; cursor: pointer; font-size: 12px; line-height: 1;
    color: #fff; background: rgba(15, 23, 42, .62);
}
.irs-thumb-del:hover { background: #dc2626; }

/* ---------- 说明区 ---------- */
.irs-about {
    margin-top: 26px; padding: 18px 20px; box-sizing: border-box;
    background: var(--bg-secondary, #f8fafc);
    border: 1px solid var(--border-color, #e5e7eb); border-radius: var(--irs-radius);
}
.irs-about-title { margin: 0 0 10px; font-size: 15px; font-weight: 700; }
.irs-about h3 { margin: 16px 0 8px; font-size: 14px; font-weight: 700; }
.irs-about-list { margin: 0; padding-left: 20px; font-size: 13px; line-height: 1.95; color: var(--text-secondary, #6b7280); }
.irs-about table { width: 100%; border-collapse: collapse; font-size: 13px; }
.irs-about th, .irs-about td { padding: 7px 9px; text-align: left; border: 1px solid var(--border-color, #e5e7eb); }
.irs-about th { background: color-mix(in srgb, var(--text-primary, #111827) 5%, transparent); font-weight: 700; }
.irs-about td { color: var(--text-secondary, #6b7280); }

.irs-canvas[hidden] { display: none !important; }
.irs-tip { margin: 8px 0 0; font-size: 11.5px; line-height: 1.6; color: var(--text-secondary, #6b7280); }
.irs-tip[hidden] { display: none !important; }

/* ---------- 响应式：平板 ---------- */
@media (max-width: 1099px) {
    .irs { padding: 18px 18px 52px; }
    .irs-title { font-size: 23px; }
    .irs-cols { grid-template-columns: 1fr; }
    .irs-side { order: 2; }
    .irs-main { order: 1; }
    .irs-img { max-height: 420px; }
}
/* ---------- 响应式：手机 ---------- */
@media (max-width: 767px) {
    .irs { padding: 14px 12px 48px; }
    .irs-hero { gap: 11px; }
    .irs-hero-ico { flex: 0 0 44px; width: 44px; height: 44px; border-radius: 13px; font-size: 22px; }
    .irs-title { font-size: 20px; }
    .irs-drop { padding: 30px 14px; }
    .irs-previews { grid-template-columns: 1fr; }
    .irs-stage { min-height: 200px; }
    .irs-img { max-height: 320px; }
    .irs-export { grid-template-columns: 1fr; }
    .irs-input, .irs-input-sm { font-size: 16px; }   /* 防 iOS 聚焦缩放 */
    .irs-actions { grid-template-columns: 1fr 1fr; }
    .irs-about { padding: 14px 13px; }
}
@media (max-width: 420px) {
    .irs-thumb, .irs-thumb img { width: 62px; }
    .irs-thumb img { height: 48px; }
    .irs-queue-head { gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
    .irs-drop, .irs-btn { transition: none; }
}