/* ============================================================
   JCS Common CSS Framework
   共用樣式 — 底部導航、卡片、Badge、按鈕、Toast、Modal、分頁
   ============================================================ */

/* ===== CSS Custom Properties ===== */
:root {
    /* 背景層級 */
    --jcs-bg-0: #121417;
    --jcs-bg-1: #1a1d21;
    --jcs-bg-2: #242830;
    --jcs-bg-3: #2c3038;
    --jcs-bg-4: #353a44;
    /* 文字 */
    --jcs-text: #f0f2f5;
    --jcs-text-secondary: #a0a8b4;
    --jcs-text-muted: #6b7280;
    /* 主色 */
    --jcs-blue: #4da3ff;
    --jcs-blue-hover: #3b8de6;
    --jcs-green: #34d399;
    --jcs-yellow: #fbbf24;
    --jcs-red: #f87171;
    --jcs-purple: #c084fc;
    --jcs-orange: #f0b860;
    /* 字級 */
    --jcs-fs-2xl: 28px;
    --jcs-fs-xl: 22px;
    --jcs-fs-lg: 18px;
    --jcs-fs-base: 16px;
    --jcs-fs-sm: 14px;
    --jcs-fs-xs: 12px;
    /* 圓角 */
    --jcs-radius: 14px;
    --jcs-radius-sm: 8px;
    --jcs-radius-xs: 6px;
    /* 陰影 */
    --jcs-shadow: 0 2px 8px rgba(0,0,0,.35);
    --jcs-shadow-lg: 0 4px 16px rgba(0,0,0,.5);
    /* 底部導航高度 */
    --jcs-nav-h: 56px;
}

/* ===== Reset / Base ===== */
.jcs-wrap * { box-sizing: border-box; }
.jcs-wrap {
    padding-bottom: calc(var(--jcs-nav-h) + env(safe-area-inset-bottom, 0px) + 16px);
}

/* 頁面過渡：點擊導航時淡出 */
.jcs-leaving .jcs-wrap {
    opacity: 0;
    transform: translateY(6px);
    transition: opacity .15s ease-out, transform .15s ease-out;
    pointer-events: none;
}

/* ===== 頁首 ===== */
.jcs-header {
    text-align: center;
    padding: 18px 12px 8px;
}
.jcs-header h2 {
    margin: 0 0 4px;
    font-size: var(--jcs-fs-xl);
    font-weight: 700;
    color: #e0e0e0;
}
.jcs-header p {
    margin: 0;
    font-size: 13px;
    color: var(--jcs-text-muted);
}

/* ===== 底部導航列 ===== */
.jcs-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: calc(var(--jcs-nav-h) + env(safe-area-inset-bottom, 0px));
    padding-bottom: env(safe-area-inset-bottom, 0px);
    background: var(--jcs-bg-1);
    border-top: 1px solid var(--jcs-bg-4);
    display: flex;
    z-index: 9000;
    box-shadow: 0 -2px 12px rgba(0,0,0,.4);
}
.jcs-nav a {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    text-decoration: none;
    color: var(--jcs-text-muted);
    font-size: 11px;
    font-weight: 600;
    transition: color .15s;
    -webkit-tap-highlight-color: transparent;
    min-height: 44px;
    padding: 4px 2px;
}
.jcs-nav a span {
    display: block;
    max-width: 100%;
    line-height: 1.05;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.jcs-nav a svg {
    width: 22px;
    height: 22px;
    min-width: 22px;
    min-height: 22px;
    fill: none;
    stroke: currentColor;
    flex: 0 0 auto;
}
.jcs-nav a:hover,
.jcs-nav a:active { color: var(--jcs-text-secondary); }
.jcs-nav a.nav-active {
    color: var(--jcs-blue);
}
.jcs-nav a.nav-loading {
    color: var(--jcs-blue);
    pointer-events: none;
}

/* ===== 頂部進度條 ===== */
.jcs-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--jcs-blue), #6dc8ff);
    z-index: 99999;
    transition: none;
    box-shadow: 0 0 8px rgba(77,163,255,.6);
}
.jcs-progress.run {
    width: 85%;
    transition: width 8s cubic-bezier(.1,.5,.3,1);
}
.jcs-progress.done {
    width: 100%;
    transition: width .15s ease-out;
    opacity: 0;
    transition: width .15s ease-out, opacity .3s .15s;
}

/* ===== 搜尋列 ===== */
.jcs-search-bar {
    max-width: 720px;
    margin: 14px auto 0;
    padding: 0 12px;
    display: flex;
    gap: 8px;
    align-items: center;
}
.jcs-search-bar input[type="text"] {
    flex: 1;
    min-width: 0;
    height: 48px;
    padding: 8px 14px;
    font-size: var(--jcs-fs-base);
    border-radius: var(--jcs-radius-sm);
    border: 2px solid #555;
    background: var(--jcs-bg-3);
    color: var(--jcs-text);
    transition: border-color .25s;
}
.jcs-search-bar input[type="text"]:focus {
    outline: none;
    border-color: var(--jcs-blue);
    box-shadow: 0 0 0 3px rgba(77,163,255,.25);
}
.jcs-search-bar input[type="text"]::placeholder { color: #777; }
.jcs-search-bar select {
    height: 48px;
    padding: 0 12px;
    font-size: var(--jcs-fs-sm);
    border-radius: var(--jcs-radius-sm);
    border: 2px solid #555;
    background: var(--jcs-bg-3);
    color: var(--jcs-text);
    cursor: pointer;
}
.jcs-search-bar select:focus { outline: none; border-color: var(--jcs-blue); }

/* 搜尋框清除按鈕 */
.jcs-search-wrap {
    position: relative;
    flex: 1;
    min-width: 0;
}
.jcs-search-wrap input { width: 100%; padding-right: 40px; }
.jcs-search-clear {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 50%;
    background: var(--jcs-bg-4);
    color: var(--jcs-text-secondary);
    font-size: 16px;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    transition: background .15s;
}
.jcs-search-clear.show { display: flex; }
.jcs-search-clear:hover { background: #555; }

/* ===== 篩選列（橫向滾動 pill）===== */
.jcs-filter-bar {
    max-width: 720px;
    margin: 8px auto 0;
    padding: 0 12px;
    display: flex;
    gap: 6px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.jcs-filter-bar::-webkit-scrollbar { display: none; }
.jcs-filter-pill {
    flex-shrink: 0;
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 600;
    border: 1px solid #555;
    border-radius: 20px;
    background: var(--jcs-bg-3);
    color: #ccc;
    cursor: pointer;
    transition: background .15s, border-color .15s;
    white-space: nowrap;
    -webkit-tap-highlight-color: transparent;
    min-height: 44px;
    display: flex;
    align-items: center;
}
.jcs-filter-pill:hover { background: var(--jcs-bg-4); }
.jcs-filter-pill.active {
    background: var(--jcs-blue);
    color: #fff;
    border-color: var(--jcs-blue);
}

/* ===== 按鈕 ===== */
.jcs-btn {
    height: 48px;
    padding: 0 20px;
    font-size: 15px;
    font-weight: 700;
    border: none;
    border-radius: var(--jcs-radius-sm);
    cursor: pointer;
    transition: background .2s, transform .1s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    -webkit-tap-highlight-color: transparent;
    min-height: 44px;
}
.jcs-btn:active { transform: scale(.98); }
.jcs-btn-blue {
    background: var(--jcs-blue);
    color: #fff;
}
.jcs-btn-blue:hover { background: var(--jcs-blue-hover); }

/* ===== 卡片列表 ===== */
.jcs-cards {
    max-width: 720px;
    margin: 12px auto 20px;
    padding: 0 10px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.jcs-card {
    background: #333639;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--jcs-shadow);
    transition: box-shadow .2s ease, transform .2s ease;
}
.jcs-card:hover {
    box-shadow: var(--jcs-shadow-lg);
}
.jcs-card-main {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    cursor: pointer;
    user-select: none;
}
.jcs-card-main:active { background: #3e4245; }
.jcs-card-info { min-width: 0; }
.jcs-card-title {
    font-size: 17px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 3px;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.jcs-card-no {
    font-size: 13px;
    color: #7ec8f0;
    font-weight: 400;
}
.jcs-card-sub {
    font-size: 13px;
    color: #aaa;
    margin: 2px 0 0;
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    align-items: center;
}
.jcs-card-right {
    text-align: right;
    padding-left: 10px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
}
.jcs-card-total {
    font-size: 20px;
    font-weight: 700;
    color: #ffd966;
    white-space: nowrap;
}
.jcs-card-date {
    font-size: 12px;
    color: #888;
    white-space: nowrap;
}
.jcs-card-detail {
    display: none;
    padding: 0 16px 14px;
    border-top: 1px solid #444;
}
.jcs-card-detail.open { display: block; }

/* ===== Badge ===== */
.jcs-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 10px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    line-height: 1.4;
}
.jcs-badge svg { width: 12px; height: 12px; flex-shrink: 0; }
.jcs-badge-blue { background: #1a3a5c; color: #60b0f0; }
.jcs-badge-n { background: #3a3a3a; color: #999; }
.jcs-badge-deal { background: #5c3a1a; color: #f0b860; }
.jcs-badge-part { background: #1a3a5c; color: #60b0f0; }
.jcs-badge-done { background: #1a5c2a; color: #6fdc8c; }
.jcs-badge-pay-unpaid { background: #5c1a1a; color: #ff6b6b; }
.jcs-badge-pay-partial { background: #5c4a1a; color: #ffd966; }
.jcs-badge-pay-paid { background: #1a5c3a; color: #6ff0a8; }
.jcs-badge-inv-none { background: #3a3a3a; color: #999; }
.jcs-badge-inv-yes { background: #1a3a5c; color: #60b0f0; }
.jcs-badge-acct-none { background: #3a3a3a; color: #999; }
.jcs-badge-acct-yes { background: #1a5c3a; color: #6ff0a8; }

/* ===== 流程進度條（共用）===== */
.jcs-flow { display: flex; align-items: center; gap: 0; margin-top: 6px; }
.jcs-flow-step { display: inline-flex; align-items: center; gap: 4px; padding: 3px 9px; border-radius: 6px; font-size: 11px; font-weight: 700; line-height: 1; white-space: nowrap; border: 1px solid transparent; }
.jcs-flow-step svg { width: 13px; height: 13px; flex-shrink: 0; }
.jcs-flow-step.dim { color: #555; }
.jcs-flow-step.on { border-color: rgba(255,255,255,.08); }
.jcs-flow-arrow { color: #444; font-size: 11px; margin: 0 2px; flex-shrink: 0; line-height: 1; }
.jcs-flow-arrow.lit { color: #666; }
.jcs-flow-step .jcs-flow-no { font-size: 10px; opacity: .75; margin-left: 2px; font-weight: 600; }
@media (max-width: 768px) {
    .jcs-flow { flex-wrap: wrap; gap: 3px; }
    .jcs-flow-arrow { display: none; }
}

/* ===== 詳細內容 ===== */
.jcs-detail-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    margin-top: 10px;
}
.jcs-detail-table th {
    background: #2a2d2f;
    color: #aaa;
    padding: 6px 8px;
    text-align: left;
    font-weight: 600;
    border-bottom: 1px solid #555;
}
.jcs-detail-table td {
    padding: 6px 8px;
    color: #ddd;
    border-bottom: 1px solid #3a3d40;
}
.jcs-detail-table tr:last-child td { border-bottom: none; }
.jcs-detail-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    flex-wrap: wrap;
}
.jcs-act-btn {
    padding: 7px 16px;
    font-size: 13px;
    font-weight: 600;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background .15s ease, transform .1s ease;
}
.jcs-act-btn:active { transform: scale(.98); }
.jcs-act-edit { background: #1a5c3a; color: #6ff0a8; }
.jcs-act-edit:hover { background: #1f6f45; }
.jcs-act-pdf { background: #5a2a6a; color: #c896ff; }
.jcs-act-pdf:hover { background: #6a3580; }
.jcs-act-del { background: #5c1a1a; color: #ff6b6b; }
.jcs-act-del:hover { background: #6d2020; }
.jcs-act-deal { background: #5c4a1a; color: #ffd966; }
.jcs-act-deal:hover { background: #6d5920; }
.jcs-act-undeal { background: #444; color: #ddd; }
.jcs-act-undeal:hover { background: #555; }
.jcs-act-purchase { background: #1a4a2a; color: #6bcf8e; }
.jcs-act-purchase:hover { background: #1f5a33; }
.jcs-act-xls { background: #1a4a2a; color: #6bcf8e; }
.jcs-act-xls:hover { background: #1f5a33; }

/* ===== 採購付款區 ===== */
.jcs-pay-info {
    margin-top: 10px;
    padding: 10px 12px;
    background: #2a2d2f;
    border-radius: 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    font-size: 13px;
    color: #ccc;
}
.jcs-pay-info-label { color: #888; margin-right: 4px; }
.jcs-pay-info-value { font-weight: 600; }
.jcs-inv-input {
    height: 30px;
    width: 120px;
    padding: 2px 8px;
    font-size: 13px;
    border: 1px solid #555;
    border-radius: 4px;
    background: #333;
    color: #f0f0f0;
}
.jcs-inv-input:focus { outline: none; border-color: var(--jcs-blue); }
.jcs-sm-btn {
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 600;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background .15s ease;
}
.jcs-sm-btn-save { background: #2a6a4a; color: #6ff0a8; }
.jcs-sm-btn-save:hover { background: #35805a; }
.jcs-sm-btn-confirm { background: #2a4a6a; color: #6db8ff; }
.jcs-sm-btn-confirm:hover { background: #305580; }
.jcs-sm-btn-cancel { background: #5c3a1a; color: #f0b860; }
.jcs-sm-btn-cancel:hover { background: #6d4520; }
.jcs-pay-history {
    margin-top: 10px;
    padding: 8px 12px;
    background: #2a2d2f;
    border-radius: 8px;
}
.jcs-pay-history h4 {
    margin: 0 0 6px;
    font-size: 13px;
    color: #aaa;
    font-weight: 600;
}
.jcs-pay-history table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}
.jcs-pay-history th {
    color: #888;
    padding: 4px 6px;
    text-align: left;
    border-bottom: 1px solid #444;
    font-weight: 600;
}
.jcs-pay-history td {
    color: #ccc;
    padding: 4px 6px;
    border-bottom: 1px solid #3a3d40;
}
.jcs-pay-history tr:last-child td { border-bottom: none; }
.jcs-pay-form {
    margin-top: 10px;
    padding: 12px;
    background: #2f3335;
    border: 1px solid #555;
    border-radius: 8px;
}
.jcs-pay-form h4 {
    margin: 0 0 8px;
    font-size: 14px;
    color: #f0b860;
    font-weight: 700;
}
.jcs-pay-form-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
    margin-bottom: 8px;
}
.jcs-pay-form-row label {
    font-size: 13px;
    color: #aaa;
    min-width: 60px;
}
.jcs-pay-form-row input {
    height: 34px;
    width: 140px;
    padding: 4px 10px;
    font-size: 14px;
    border: 1px solid #555;
    border-radius: 6px;
    background: #333;
    color: #f0f0f0;
}
.jcs-pay-form-row input:focus { outline: none; border-color: #f0b860; }
.jcs-pay-form-row .jcs-pay-remark { width: 200px; }
.jcs-pay-submit {
    height: 40px;
    padding: 0 24px;
    font-size: 15px;
    font-weight: 700;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    background: #d48800;
    color: #fff;
    transition: background .15s ease, transform .1s ease;
    margin-top: 4px;
}
.jcs-pay-submit:hover { background: #e09500; }
.jcs-pay-submit:active { transform: scale(.98); }

/* ===== 分頁 / 載入 / 空畫面 ===== */
.jcs-pager {
    max-width: 720px;
    margin: 0 auto 30px;
    padding: 0 12px;
    display: flex;
    justify-content: center;
    gap: 6px;
    flex-wrap: wrap;
}
.jcs-pager button {
    min-width: 38px;
    height: 36px;
    padding: 0 10px;
    font-size: 14px;
    font-weight: 600;
    border: 1px solid #555;
    border-radius: 6px;
    background: #2a2d2f;
    color: #ccc;
    cursor: pointer;
    transition: background .15s ease, border-color .15s ease;
}
.jcs-pager button:hover { background: #3e4245; }
.jcs-pager button.active {
    background: var(--jcs-blue);
    color: #fff;
    border-color: var(--jcs-blue);
}
.jcs-pager button:disabled { opacity: .4; cursor: not-allowed; }
.jcs-loading,
.jcs-empty {
    text-align: center;
    padding: 40px 20px;
    color: #888;
    font-size: 15px;
}

/* ===== Toast ===== */
.jcs-toast {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    z-index: 10010;
    opacity: 0;
    transition: opacity .3s ease;
    pointer-events: none;
}
.jcs-toast.show { opacity: 1; }
.jcs-toast.success { background: #1a7a3a; }
.jcs-toast.error { background: #7a1a1a; }
.jcs-toast.warning { background: #7a5a1a; }

/* ===== Standalone Link Menu ===== */
.jcs-link-menu-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 10030;
    background: rgba(15, 23, 42, .04);
}
.jcs-link-menu-backdrop.open { display: block; }
.jcs-link-menu {
    position: absolute;
    min-width: 220px;
    max-width: min(320px, calc(100vw - 24px));
    padding: 8px;
    border-radius: 16px;
    background: rgba(15, 23, 42, .97);
    border: 1px solid rgba(148, 163, 184, .22);
    box-shadow: 0 20px 44px rgba(0, 0, 0, .28);
    backdrop-filter: blur(10px);
}
.jcs-link-menu[hidden] { display: none; }
.jcs-link-menu-title {
    padding: 6px 8px 2px;
    color: #e2e8f0;
    font-size: 13px;
    font-weight: 700;
}
.jcs-link-menu-url {
    margin: 0 8px 8px;
    color: #94a3b8;
    font-size: 12px;
    line-height: 1.4;
    word-break: break-all;
}
.jcs-link-menu button {
    width: 100%;
    border: 0;
    border-radius: 12px;
    padding: 11px 12px;
    background: transparent;
    color: #f8fafc;
    text-align: left;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: background .15s ease, transform .12s ease;
}
.jcs-link-menu button:hover,
.jcs-link-menu button:active { background: rgba(59, 130, 246, .18); }

/* ===== PDF Modal ===== */
.jcs-pdf-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.7);
    z-index: 10001;
    padding: 30px;
}
.jcs-pdf-overlay.open {
    display: flex;
    align-items: center;
    justify-content: center;
}
.jcs-pdf-box {
    width: 100%;
    max-width: 1000px;
    height: 90vh;
    background: #2a2d2f;
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.jcs-pdf-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    border-bottom: 1px solid #444;
}
.jcs-pdf-head h3 {
    margin: 0;
    font-size: 16px;
    color: #e0e0e0;
}
.jcs-pdf-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}
.jcs-pdf-iframe {
    flex: 1;
    border: none;
    background: #fff;
}
.jcs-modal-close {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,.15);
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 22px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background .15s ease;
}
.jcs-modal-close:hover { background: rgba(255,255,255,.3); }

/* ===== 桌機版寬度 ===== */
@media (min-width: 981px) {
    .jcs-search-bar,
    .jcs-filter-bar,
    .jcs-cards,
    .jcs-pager {
        max-width: 1120px;
    }
    .jcs-search-bar,
    .jcs-filter-bar,
    .jcs-pager {
        padding-left: 0;
        padding-right: 0;
    }
    .jcs-cards {
        padding-left: 0;
        padding-right: 0;
        gap: 14px;
    }
    .jcs-card-main {
        padding: 18px 22px;
    }
    .jcs-card-title {
        font-size: 20px;
    }
    .jcs-card-sub {
        font-size: 14px;
    }
    .jcs-card-total {
        font-size: 24px;
    }
}

@media (max-width: 640px) {
    .jcs-search-bar {
        flex-direction: column;
        align-items: stretch;
    }
    .jcs-filter-bar {
        gap: 4px;
    }
    .jcs-card-main {
        grid-template-columns: 1fr;
        align-items: flex-start;
    }
    .jcs-card-right {
        width: 100%;
        align-items: flex-start;
        text-align: left;
        padding-left: 0;
    }
    .jcs-card-title {
        font-size: 15px;
    }
    .jcs-card-total {
        font-size: 17px;
    }
    .jcs-pay-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    .jcs-pdf-overlay {
        padding: 10px;
    }
    .jcs-pdf-box {
        height: 85vh;
        border-radius: 8px;
    }
    .jcs-nav a {
        font-size: 10px;
        gap: 2px;
        padding: 4px 1px;
    }
    .jcs-nav a svg {
        width: 19px;
        height: 19px;
        min-width: 19px;
        min-height: 19px;
    }
    .jcs-nav a span {
        letter-spacing: -.2px;
    }
}