/* ɢʀᴠ戰隊管理系統 - 完整樣式 */

:root {
    --primary:    #4c9eff;
    --gold:       #ffd700;
    --danger:     #ff4757;
    --success:    #2ed573;
    --glass-bg:   rgba(10, 10, 25, 0.75);
    --glass-border: rgba(255, 255, 255, 0.12);
    --sidebar-w:  280px;
    --text-light: #f0f0f0;
    --text-shadow: 0 1px 4px rgba(0,0,0,0.9);
}

/* ── 基底 ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html {
    background: #000000;
    min-height: 100%;
}

body {
    font-family: 'Segoe UI', 'Microsoft JhengHei', sans-serif;
    background: linear-gradient(180deg, #000000 0%, #1a1a2a 100%);
    background-attachment: fixed;
    min-height: 100vh;
    color: var(--text-light);
    overflow-x: hidden;
    margin: 0;
}

#particles-js {
    position: fixed;
    inset: 0;
    z-index: 0;
    opacity: 0.55;
}

/* ── 所有層級皆在粒子之上 ─────────────────────────────────── */
/* 重要：main 不可設 z-index，否則會形成 stacking context，
         把子元素（Bootstrap modal z-index:1055）困在裡面，
         導致 backdrop(z-index:1040) 遮蓋 modal，按鈕無法點擊。
         aside.sidebar 使用自己的 position:fixed（z-index:2050） */
nav.navbar, .sidebar-toggle, footer,
.toast-container { position: relative; z-index: 10; }
main { position: relative; /* 不設 z-index，不建立 stacking context */ }

/* 粒子背景不攔截滑鼠事件 */
#particles-js { pointer-events: none; }

/* ── 自適應文字對比度 ─────────────────────────────────────── */
/*   深色背景 → 白字；淺色背景 → 黑字（Bootstrap 淺色卡片）  */
.card {
    border: 1px solid var(--glass-border) !important;
    border-radius: 12px !important;
    overflow: hidden;
}

/* 玻璃卡片（深色背景）→ 白字 */
.card.glass,
.card:not([class*="bg-"]):not(.bg-white):not(.bg-light) {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(18px);
    color: var(--text-light) !important;
}
.card.glass *,
.card:not([class*="bg-"]):not(.bg-white):not(.bg-light) * {
    color: var(--text-light) !important;
    text-shadow: var(--text-shadow);
}

/* 淺色背景（Bootstrap: bg-white / bg-light / bg-warning...）→ 黑字 */
.card.bg-white, .card.bg-light,
.card.bg-warning, .card.bg-info.text-dark,
[class*="bg-white"], [class*="bg-light"] {
    background: rgba(255,255,255,0.97) !important;
    color: #111 !important;
}
.card.bg-white *, .card.bg-light *,
.card.bg-warning * {
    color: #111 !important;
    text-shadow: none !important;
}

/* 預設 modal → 白色背景黑字（一般表單用） */
.modal-content {
    background: rgba(255,255,255,0.97) !important;
    color: #111 !important;
}
.modal-content * {
    color: #111 !important;
    text-shadow: none !important;
}

/* ── Modal 背景幕：半透明，讓粒子顯示 ──────────────────────── */
.modal-backdrop.show {
    opacity: 1 !important;
    background: rgba(0, 0, 10, 0.65) !important;
}

/* ── 聊天室 Modal & 語音 Modal → 深色玻璃，白字，粒子穿透 ── */
#chatModal .modal-content,
#voiceModal .modal-content {
    background: rgba(5, 5, 20, 0.82) !important;
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--glass-border) !important;
    color: var(--text-light) !important;
}
#chatModal .modal-content *,
#voiceModal .modal-content * {
    color: var(--text-light) !important;
    text-shadow: var(--text-shadow);
}
#chatModal .modal-header,
#voiceModal .modal-header {
    background: rgba(76,158,255,0.12) !important;
    border-bottom: 1px solid var(--glass-border) !important;
}
#chatModal .modal-body,
#voiceModal .modal-body {
    background: transparent !important;
}
/* 聊天框輸入區 */
#chatModal .form-control {
    background: rgba(255,255,255,0.08) !important;
    border: 1px solid var(--glass-border) !important;
    color: #fff !important;
}
#chatModal .form-control::placeholder { color: rgba(255,255,255,0.35); }
#chatModal .form-control:focus {
    background: rgba(255,255,255,0.13) !important;
    border-color: var(--primary) !important;
    color: #fff !important;
}
/* 語音管理表格 */
#voiceModal .table { color: var(--text-light); }
#voiceModal .table thead th {
    background: rgba(76,158,255,0.15);
    color: #fff;
    border-color: var(--glass-border);
}
#voiceModal .table td { border-color: var(--glass-border); }

/* Bootstrap 色彩卡片（bg-primary / bg-success / bg-danger 等）→ 白字 */
.card.bg-primary, .card.bg-success, .card.bg-danger,
.card.bg-dark, .card.bg-secondary,
.card.bg-info:not(.text-dark) {
    color: #fff !important;
}
.card.bg-primary *, .card.bg-success *, .card.bg-danger *,
.card.bg-dark *, .card.bg-secondary *, .card.bg-info:not(.text-dark) * {
    color: #fff !important;
    text-shadow: 0 1px 4px rgba(0,0,0,0.5);
}

/* ── 頂部導覽列 ───────────────────────────────────────────── */
nav.navbar {
    background: rgba(5, 5, 20, 0.92) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding-left: 70px;
}
.navbar-brand, .nav-link { color: #fff !important; text-shadow: var(--text-shadow); }
.navbar-brand { font-weight: 700; letter-spacing: 1px; }

/* ── 側邊欄開關按鈕（左上角，固定，最高層）───────────────── */
.sidebar-toggle {
    position: fixed;
    top: 14px;
    left: 14px;
    z-index: 2100;
    background: rgba(76, 158, 255, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.25);
    color: #fff;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.25s, transform 0.2s;
    box-shadow: 0 4px 18px rgba(0,0,0,0.45);
}
.sidebar-toggle:hover {
    background: var(--primary);
    transform: scale(1.08);
}

/* ── 側邊欄 ───────────────────────────────────────────────── */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-w);
    height: 100vh;
    background: linear-gradient(160deg, rgba(8,8,22,0.98) 0%, rgba(20,20,50,0.98) 100%);
    backdrop-filter: blur(25px);
    border-right: 1px solid var(--glass-border);
    padding: 70px 0 1rem;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: none;
    -ms-overflow-style: none;
    /* GPU 加速：使用 transform 而非 left，確保 120fps 流暢 */
    transform: translateX(calc(-1 * (var(--sidebar-w) + 50px)));
    transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
    will-change: transform;
    z-index: 2050;
    box-shadow: 6px 0 30px rgba(0,0,0,0.6);
}
.sidebar::-webkit-scrollbar { display: none; }
.sidebar.show { transform: translateX(0) !important; }

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.2rem 1rem;
    border-bottom: 1px solid var(--glass-border);
    margin-bottom: 0.5rem;
}
.sidebar-header h5 { color: var(--gold) !important; font-weight: 700; margin: 0; }
.close-btn {
    background: none;
    border: none;
    color: rgba(255,255,255,0.6);
    font-size: 1.2rem;
    cursor: pointer;
    transition: color 0.2s;
}
.close-btn:hover { color: #fff; }

.sidebar-nav { display: flex; flex-direction: column; }
.sidebar-nav .nav-link {
    color: rgba(240,240,240,0.85) !important;
    padding: 0.7rem 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    border-radius: 8px;
    margin: 2px 8px;
    font-size: 0.95rem;
    transition: background 0.2s, color 0.2s;
    text-shadow: none;
}
.sidebar-nav .nav-link:hover,
.sidebar-nav .nav-link.active {
    background: rgba(76,158,255,0.18);
    color: #fff !important;
}
.sidebar-nav .nav-link i { width: 20px; text-align: center; opacity: 0.85; }
.sidebar-nav hr { border-color: var(--glass-border); margin: 0.4rem 1rem; }
.sidebar-nav .nav-link.text-danger { color: #ff6b81 !important; }
.sidebar-nav .nav-link.text-danger:hover { background: rgba(255,71,87,0.15); }

/* ── 未讀通知徽章 ─────────────────────────────────────────── */
.unread-badge {
    background: var(--danger);
    color: #fff;
    border-radius: 50%;
    font-size: 0.7rem;
    font-weight: 700;
    min-width: 18px;
    height: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
    padding: 0 4px;
}

/* ── 主內容區 ─────────────────────────────────────────────── */
main.container, main.container-fluid {
    padding-top: 1.5rem;
    padding-bottom: 3rem;
}
main h1, main h2, main h3, main h4, main h5, main h6 {
    color: #fff !important;
    text-shadow: var(--text-shadow);
}
main p, main small, main label, main span { color: var(--text-light); }

/* ── 表單控制元件（暗色主題）─────────────────────────────── */
.form-control, .form-select {
    background: rgba(255,255,255,0.06) !important;
    border: 1px solid var(--glass-border) !important;
    color: #fff !important;
    border-radius: 8px;
}
.form-control::placeholder { color: rgba(255,255,255,0.35); }
.form-control:focus, .form-select:focus {
    background: rgba(255,255,255,0.1) !important;
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgba(76,158,255,0.2) !important;
    color: #fff !important;
}
.form-label { color: rgba(220,220,240,0.9); font-size: 0.9rem; }

/* 模態框內部的表單（白色背景）→ 黑字 */
.modal .form-control, .modal .form-select {
    background: rgba(0,0,0,0.06) !important;
    color: #111 !important;
}
.modal .form-label { color: #333; }

/* ── 按鈕 ─────────────────────────────────────────────────── */
.btn { border-radius: 8px; font-weight: 500; transition: all 0.2s; }
.btn-primary   { background: var(--primary); border-color: var(--primary); }
.btn-success   { background: var(--success); border-color: var(--success); }
.btn-danger    { background: var(--danger);  border-color: var(--danger); }
.btn-warning   { background: var(--gold);    border-color: var(--gold); color: #111 !important; }
.btn-outline-light { border-color: rgba(255,255,255,0.4); color: #fff !important; }
.btn-outline-light:hover { background: rgba(255,255,255,0.12); }

/* ── 表格 ─────────────────────────────────────────────────── */
.table { color: var(--text-light); }
.table thead th {
    background: rgba(76,158,255,0.15);
    color: #fff;
    border-color: var(--glass-border);
    font-weight: 600;
}
.table td { border-color: var(--glass-border); vertical-align: middle; }
.table-hover tbody tr:hover { background: rgba(76,158,255,0.08); }

/* ── 徽章 ─────────────────────────────────────────────────── */
.badge { font-size: 0.78rem; padding: 0.3em 0.65em; border-radius: 20px; }

/* ── 儀表板狀態卡 ────────────────────────────────────────── */
.stat-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    backdrop-filter: blur(18px);
    padding: 1.5rem;
    transition: transform 0.25s, box-shadow 0.25s;
}
.stat-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.4); }
.stat-card .stat-icon { font-size: 2.5rem; margin-bottom: 0.5rem; }
.stat-card .stat-value { font-size: 1.8rem; font-weight: 700; color: #fff; }
.stat-card .stat-label { font-size: 0.85rem; color: rgba(200,200,220,0.8); }

/* ── 伺服器資訊：旋轉齒輪 ────────────────────────────────── */
@keyframes spin-gear { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.gear-icon { animation: spin-gear 1s linear infinite; display: inline-block; color: var(--primary); font-size: 2rem; }

/* ── 請假單 ───────────────────────────────────────────────── */
.leave-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    margin-bottom: 0.75rem;
    backdrop-filter: blur(12px);
}
.leave-card .leave-status { font-size: 1.1rem; font-weight: 600; }
.leave-status.pending  { color: #ffd700; }
.leave-status.seen     { color: #a0a0ff; }
.leave-status.approved { color: var(--success); }
.leave-status.rejected { color: var(--danger); }

/* ── 頻道訊息框 ───────────────────────────────────────────── */
.chat-box {
    background: rgba(5,5,20,0.6);
    border-radius: 10px;
    height: 400px;
    overflow-y: auto;
    padding: 1rem;
    border: 1px solid var(--glass-border);
}
.chat-msg {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    align-items: flex-start;
}
.chat-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
}
.chat-msg-body { flex: 1; }
.chat-author { color: var(--primary); font-weight: 600; font-size: 0.9rem; }
.chat-time   { color: rgba(200,200,220,0.55); font-size: 0.78rem; margin-left: 0.5rem; }
.chat-content { color: var(--text-light); font-size: 0.92rem; margin-top: 2px; word-break: break-word; }
.chat-attachment img { max-width: 200px; border-radius: 8px; margin-top: 6px; cursor: pointer; }

/* ── Alert ────────────────────────────────────────────────── */
.alert { border-radius: 10px; }
.alert-success { background: rgba(46,213,115,0.15); border-color: var(--success); color: #2ed573; }
.alert-danger  { background: rgba(255,71,87,0.15);  border-color: var(--danger);  color: #ff4757; }
.alert-info    { background: rgba(76,158,255,0.12); border-color: var(--primary); color: #a8d0ff; }

/* ── 頁尾 ─────────────────────────────────────────────────── */
footer {
    background: rgba(5,5,20,0.9) !important;
    border-top: 1px solid var(--glass-border);
    color: rgba(200,200,220,0.6) !important;
    padding: 1.2rem 0 !important;
}
footer * { color: rgba(200,200,220,0.6) !important; text-shadow: none; }

/* ── 捲軸美化 ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(76,158,255,0.35); border-radius: 3px; }

/* ── 卡片標頭 ─────────────────────────────────────────────── */
.card-header {
    background: rgba(76,158,255,0.12) !important;
    border-bottom: 1px solid var(--glass-border) !important;
    color: #fff !important;
    font-weight: 600;
    padding: 0.85rem 1.25rem;
}
.card-header * { color: #fff !important; text-shadow: var(--text-shadow); }

/* 強色卡片標頭 */
.card-header.bg-primary { background: var(--primary) !important; }
.card-header.bg-success { background: var(--success) !important; }
.card-header.bg-danger  { background: var(--danger)  !important; }
.card-header.bg-warning { background: var(--gold)    !important; }
.card-header.bg-warning * { color: #111 !important; text-shadow: none; }
.card-header.bg-info    { background: #00c9ff !important; }

/* ── 響應式（手機優先）────────────────────────────────────── */
@media (max-width: 768px) {
    main.container { padding: 1rem 0.75rem; }
    .stat-card { padding: 1rem; }
    .stat-card .stat-value { font-size: 1.4rem; }

    /* 所有按鈕在手機上加大點擊區域 */
    .btn {
        min-height: 48px;
        font-size: 1rem;
        padding: 0.75rem 1rem;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    .btn-sm { min-height: 40px; font-size: 0.9rem; padding: 0.55rem 0.8rem; }

    /* 表單輸入加大 */
    .form-control, .form-select {
        min-height: 48px;
        font-size: 1rem !important;
        padding: 0.65rem 0.9rem;
    }
    .form-control-lg { min-height: 52px; font-size: 1.05rem !important; }
    .form-label { font-size: 1rem; margin-bottom: 0.45rem; }

    /* 側邊欄導航連結加大（特別是登出鍵） */
    .sidebar-nav .nav-link {
        padding: 0.9rem 1.2rem;
        min-height: 52px;
        font-size: 1.05rem;
        margin: 3px 6px;
    }
    .sidebar-nav .nav-link i { font-size: 1.1rem; }

    /* 側邊欄寬度撐滿更多空間 */
    .sidebar { width: 82vw; max-width: 320px; }
    :root { --sidebar-w: 82vw; }

    /* 頂部導覽列字體調大 */
    nav.navbar { padding-left: 60px; }
    .navbar-brand { font-size: 1rem; }

    /* 卡片間距 */
    .card-body { padding: 1.1rem !important; }
    .card-header { padding: 0.75rem 1rem; font-size: 1rem; }

    /* 儀表板快速操作按鈕全寬 */
    .row.g-3 .btn { width: 100%; }

    /* 表格在手機上可橫向滾動 */
    .table-responsive-force { overflow-x: auto; -webkit-overflow-scrolling: touch; }
    table { font-size: 0.9rem; }

    /* input-group 內的 canvas（驗證碼）加大 */
    .input-group-text { min-height: 48px; }
    #captchaCanvas { width: 100px; height: 44px; }
}

/* ── nav-tabs（暗色主題）─────────────────────────────────── */
.nav-tabs { border-bottom: 1px solid var(--glass-border); }
.nav-tabs .nav-link {
    color: rgba(220,220,240,0.7) !important;
    border: 1px solid transparent;
    border-radius: 8px 8px 0 0;
    background: none;
}
.nav-tabs .nav-link.active, .nav-tabs .nav-link:hover {
    color: #fff !important;
    background: rgba(76,158,255,0.15);
    border-color: var(--glass-border) var(--glass-border) transparent;
}

/* ── 登入頁 ───────────────────────────────────────────────── */
.login-card {
    background: rgba(8,8,22,0.88);
    backdrop-filter: blur(24px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2.5rem;
    max-width: 420px;
    margin: 6vh auto;
    box-shadow: 0 25px 60px rgba(0,0,0,0.6);
}
.login-card h2 { color: var(--gold) !important; text-align: center; font-weight: 800; }

/* ── Terminal ─────────────────────────────────────────────── */
#terminalOutput {
    background: #000;
    color: #00ff00;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    height: 420px;
    overflow-y: auto;
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid #0f0;
}

/* ── 公告圖片預覽 ─────────────────────────────────────────── */
.preview-img-wrap {
    position: relative;
    display: inline-block;
    margin: 4px;
}
.preview-img-wrap img { width: 90px; height: 90px; object-fit: cover; border-radius: 8px; }
.preview-img-wrap .remove-img {
    position: absolute;
    top: -6px; right: -6px;
    background: var(--danger);
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 20px; height: 20px;
    font-size: 0.7rem;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
}

/* ── 高幀率動畫優化（120fps / 144fps）─────────────────────── */
/* GPU 加速：只對頻繁動畫元素開啟 will-change，避免記憶體浪費 */
.sidebar {
    will-change: transform;
    /* 注意：不可在這裡覆蓋 transform，否則會把 .sidebar 的 translateX(-110%) 蓋掉 → 選單永遠開著關不掉 */
}
.sidebar-toggle,
.stat-card,
.btn {
    /* GPU 加速：避免在這裡使用 transform，以免 hover/focus 動畫被覆蓋 */
}
.gear-icon {
    will-change: transform;
}
#particles-js {
    will-change: transform;
    transform: translateZ(0);
}

/* 確保所有 transition 使用 GPU 合成屬性 */
.sidebar-toggle { transition: background 0.18s ease, transform 0.15s ease; }
.stat-card      { transition: transform 0.2s ease, box-shadow 0.2s ease; }
.btn            { transition: background 0.15s ease, transform 0.12s ease, opacity 0.15s ease; }
.nav-link       { transition: background 0.18s ease, color 0.18s ease; }
.card           { transition: box-shadow 0.2s ease; }

/* 減少動畫偏好（無障礙設定）─────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .gear-icon { animation: none; }
    #particles-js { display: none; }
}

/* 高刷新率螢幕（120Hz / 144Hz）細膩動畫 ─────────────────── */
@media (min-resolution: 1.25dppx) {
    .sidebar { transition: transform 0.32s cubic-bezier(0.4, 0, 0.2, 1); }
}

/* ── 隱私權政策頁面 ───────────────────────────────────────── */
#cookieBanner a:hover { text-decoration: underline; }
.privacy-contact-card {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.privacy-contact-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}