/* ============================================================
   模板管理系統 v3.2 — 商業級後台 · 手機自適應
   ============================================================ */

/* ====== Variables ====== */
:root{
    --c-primary:#4f46e5;--c-primary-l:#eef2ff;--c-primary-h:#4338ca;--c-primary-a:rgba(79,70,229,.08);
    --c-success:#059669;--c-success-l:#ecfdf5;
    --c-danger:#dc2626;--c-danger-l:#fef2f2;
    --c-warning:#d97706;--c-warning-l:#fffbeb;
    --c-info:#2563eb;--c-info-l:#eff6ff;
    --bg:#f1f5f9;--card:#fff;
    --bdr:#e2e8f0;--bdr-l:#f1f5f9;
    --txt:#0f172a;--txt-2:#475569;--txt-3:#94a3b8;
    --sh-xs:0 1px 2px rgba(0,0,0,.04);
    --sh-sm:0 1px 3px rgba(0,0,0,.06);
    --sh-md:0 4px 6px -1px rgba(0,0,0,.07);
    --sh-lg:0 10px 15px -3px rgba(0,0,0,.08);
    --sh-xl:0 20px 25px -5px rgba(0,0,0,.1);
    --r:8px;--r-lg:12px;--r-xl:16px;
    --sb-w:250px;--tp-h:56px;
    --ease:cubic-bezier(.4,0,.2,1);
}

/* ====== Reset ====== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:14px;-webkit-text-size-adjust:100%}
body{
    height:100%;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
    color:var(--txt);background:var(--bg);line-height:1.5;
    -webkit-font-smoothing:antialiased;overflow:hidden;
}
::-webkit-scrollbar{width:4px;height:4px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:4px}

/* ============================================================
   LOGIN
   ============================================================ */
.login-page{
    display:flex;align-items:center;justify-content:center;
    min-height:100vh;padding:16px;
    background:linear-gradient(135deg,#667eea 0%,#764ba2 50%,#f093fb 100%);
    position:relative;overflow:auto;
}
.login-page::before{
    content:'';position:absolute;width:500px;height:500px;border-radius:50%;
    background:radial-gradient(circle,rgba(255,255,255,.08),transparent 70%);
    top:-200px;right:-100px;
}
.login-card{
    background:rgba(255,255,255,.96);backdrop-filter:blur(20px);
    border-radius:var(--r-xl);padding:40px 32px 36px;
    max-width:400px;width:100%;
    box-shadow:0 25px 60px rgba(0,0,0,.25);
    animation:fadeUp .5s var(--ease);
    border:1px solid rgba(255,255,255,.3);
}
@keyframes fadeUp{0%{opacity:0;transform:translateY(20px)}100%{opacity:1;transform:translateY(0)}}
.login-logo{text-align:center;padding-top:12px;margin-bottom:32px}
.login-logo .logo-icon{
    width:56px;height:56px;border-radius:14px;
    background:linear-gradient(135deg,var(--c-primary),#7c3aed);
    display:inline-flex;align-items:center;justify-content:center;
    font-size:26px;margin-bottom:14px;
    box-shadow:0 8px 20px rgba(79,70,229,.35);
}
.login-logo h1{font-size:20px;font-weight:700;color:var(--txt)}
.login-logo p{font-size:13px;color:var(--txt-2);margin-top:4px}
.login-form .form-group{margin-bottom:18px;position:relative}
.login-form .form-label{display:block;font-size:12.5px;font-weight:600;color:var(--txt);margin-bottom:5px}
.login-form .form-input{
    width:100%;padding:11px 14px 11px 40px;
    border:1.5px solid var(--bdr);border-radius:var(--r);
    font-size:14px;outline:none;transition:all .2s var(--ease);
    background:#f8fafc;color:var(--txt);
}
.login-form .form-input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-a);background:#fff}
.login-form .input-icon{
    position:absolute;left:13px;top:calc(50% + 8px);transform:translateY(-50%);
    color:var(--txt-3);pointer-events:none;transition:color .2s;
    display:flex;align-items:center;
}
.login-form .form-group:focus-within .input-icon{color:var(--c-primary)}
.login-btn{
    width:100%;padding:12px;border:none;border-radius:var(--r);
    background:linear-gradient(135deg,var(--c-primary),#7c3aed);
    color:#fff;font-size:14px;font-weight:600;cursor:pointer;
    transition:all .2s var(--ease);margin-top:4px;
}
.login-btn:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(79,70,229,.4)}
.login-btn:active{transform:translateY(0)}
.login-error{
    background:var(--c-danger-l);color:var(--c-danger);
    padding:10px 14px;border-radius:var(--r);margin-bottom:16px;
    font-size:12.5px;text-align:center;display:none;
    border:1px solid #fecaca;
}
.login-footer{
    margin-top:24px;text-align:center;
    padding-top:18px;border-top:1px solid var(--bdr-l);
}
.login-footer p{
    font-size:12px;color:var(--txt-3);margin-bottom:6px;line-height:1.6;
}
.login-footer a{
    color:var(--c-primary);text-decoration:none;font-weight:500;
    transition:color .15s;
}
.login-footer a:hover{color:var(--c-primary-h);text-decoration:underline}
.login-page::after{
    content:'';position:absolute;width:400px;height:400px;border-radius:50%;
    background:radial-gradient(circle,rgba(255,255,255,.06),transparent 70%);
    bottom:-150px;left:-100px;
}

/* ============================================================
   APP LAYOUT
   ============================================================ */
.app-layout{display:flex;height:100vh;height:100dvh;overflow:hidden;background:var(--bg)}

/* ====== Sidebar ====== */
.sidebar{
    width:var(--sb-w);min-width:var(--sb-w);
    background:linear-gradient(180deg,#0f172a,#1e293b);
    color:#cbd5e1;display:flex;flex-direction:column;
    overflow-y:auto;overflow-x:hidden;
    position:relative;z-index:50;
    transition:width .25s var(--ease),min-width .25s var(--ease);
}
.sidebar-brand{
    padding:16px 18px;font-size:15px;font-weight:700;color:#f1f5f9;
    border-bottom:1px solid rgba(255,255,255,.06);
    display:flex;align-items:center;gap:10px;
    min-height:56px;flex-shrink:0;
}
.sidebar-brand .brand-icon{
    width:32px;height:32px;border-radius:8px;flex-shrink:0;
    background:linear-gradient(135deg,var(--c-primary),#7c3aed);
    display:flex;align-items:center;justify-content:center;font-size:15px;
}
.sidebar-nav{flex:1;padding:8px 0}
.sidebar-nav .nav-section{
    font-size:10px;font-weight:700;color:#475569;
    text-transform:uppercase;letter-spacing:.8px;
    padding:14px 18px 6px;
}
.sidebar-nav .nav-item{
    display:flex;align-items:center;gap:10px;
    padding:9px 18px;cursor:pointer;
    color:#94a3b8;font-size:13px;font-weight:500;
    transition:all .15s var(--ease);
    text-decoration:none;position:relative;
    margin:1px 8px;border-radius:var(--r);
}
.sidebar-nav .nav-item .nav-icon{font-size:16px;width:20px;text-align:center;flex-shrink:0;opacity:.8}
.sidebar-nav .nav-item:hover{color:#e2e8f0;background:rgba(255,255,255,.06)}
.sidebar-nav .nav-item.active{color:#f8fafc;background:rgba(79,70,229,.2)}
.sidebar-nav .nav-item.active::before{
    content:'';position:absolute;left:-8px;top:8px;bottom:8px;width:3px;
    background:var(--c-primary);border-radius:0 3px 3px 0;
}
.sidebar-footer{
    padding:12px 14px;border-top:1px solid rgba(255,255,255,.06);flex-shrink:0;
}
.sidebar-footer .user-info{display:flex;align-items:center;gap:8px}
.sidebar-footer .avatar{
    width:32px;height:32px;border-radius:8px;flex-shrink:0;
    background:linear-gradient(135deg,var(--c-primary),#7c3aed);
    display:flex;align-items:center;justify-content:center;
    color:#fff;font-size:12px;font-weight:600;
}
.sidebar-footer .user-detail{flex:1;overflow:hidden}
.sidebar-footer .user-detail .name{color:#e2e8f0;font-weight:500;font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar-footer .user-detail .role{color:#64748b;font-size:10.5px}

/* Sidebar Toggle */
.sidebar-toggle{
    position:absolute;top:18px;right:-12px;z-index:55;
    width:24px;height:24px;border:2px solid var(--bdr);border-radius:50%;
    background:#fff;color:var(--txt-2);font-size:10px;cursor:pointer;
    display:flex;align-items:center;justify-content:center;
    transition:all .2s var(--ease);box-shadow:var(--sh-sm);
}
.sidebar-toggle:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}

/* Sidebar Collapsed */
.sidebar.collapsed{width:60px;min-width:60px}
.sidebar.collapsed .sidebar-brand span:last-child,
.sidebar.collapsed .sidebar-nav .nav-item span,
.sidebar.collapsed .sidebar-footer .user-detail,
.sidebar.collapsed .sidebar-nav .nav-item .badge-dot,
.sidebar.collapsed .sidebar-nav .nav-section{display:none}
.sidebar.collapsed .sidebar-brand{justify-content:center;padding:16px 8px}
.sidebar.collapsed .sidebar-nav .nav-item{justify-content:center;padding:10px;margin:1px 4px}
.sidebar.collapsed .sidebar-footer{padding:10px;display:flex;justify-content:center}
.sidebar.collapsed .sidebar-toggle{transform:rotate(180deg)}

/* ====== Nav Groups ====== */
.nav-group-items{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.nav-group.open .nav-group-items{max-height:500px}
.nav-group-toggle .arrow{margin-left:auto;font-size:11px;transition:transform .2s var(--ease);color:#475569}
.nav-group.open .nav-group-toggle .arrow{transform:rotate(90deg)}
.nav-group-toggle{cursor:pointer}
.nav-group-items .nav-item{padding-left:44px;font-size:12.5px;min-height:36px}
.nav-group-items .nav-item .nav-icon{font-size:13px}
.sidebar.collapsed .nav-group-items{display:none}
.sidebar.collapsed .nav-group-toggle .arrow{display:none}

/* ====== Main Area ====== */
.main-area{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0}

/* ====== Topbar ====== */
.topbar{
    height:var(--tp-h);min-height:var(--tp-h);
    background:rgba(255,255,255,.9);backdrop-filter:blur(12px);
    border-bottom:1px solid var(--bdr-l);
    display:flex;align-items:center;justify-content:space-between;
    padding:0 20px;position:sticky;top:0;z-index:10;
    flex-shrink:0;
}
.topbar .page-title{font-size:15px;font-weight:600;color:var(--txt);display:flex;align-items:center;gap:8px}
.topbar .page-title .title-icon{font-size:16px}
.topbar-right{display:flex;align-items:center;gap:12px}
.topbar-right .username{font-size:12.5px;color:var(--txt-2);font-weight:500}
.topbar-right .btn-logout{
    padding:5px 14px;border:1px solid var(--bdr);border-radius:var(--r);
    background:#fff;color:var(--txt-2);cursor:pointer;font-size:12px;
    transition:all .15s var(--ease);font-weight:500;
}
.topbar-right .btn-logout:hover{background:var(--c-danger-l);color:var(--c-danger);border-color:#fecaca}

/* ====== Content ====== */
.content{flex:1;overflow-y:auto;overflow-x:hidden;padding:20px;-webkit-overflow-scrolling:touch}

/* ====== Tab Content ====== */
.tab-content{display:none;animation:tabIn .25s var(--ease)}
.tab-content.active{display:block}
@keyframes tabIn{0%{opacity:0;transform:translateY(4px)}100%{opacity:1;transform:translateY(0)}}

/* ============================================================
   COMPONENTS
   ============================================================ */

/* Stat Cards */
.stat-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:20px}
.stat-card{
    background:var(--card);border-radius:var(--r-lg);
    padding:16px 18px;box-shadow:var(--sh-xs);
    transition:all .2s var(--ease);border:1px solid var(--bdr-l);
    overflow:hidden;min-width:0;
}
.stat-card:hover{box-shadow:var(--sh-md);transform:translateY(-1px)}
.stat-card .stat-icon{
    width:36px;height:36px;border-radius:9px;
    display:flex;align-items:center;justify-content:center;
    font-size:16px;margin-bottom:10px;
}
.stat-card .stat-icon.blue{background:var(--c-primary-l);color:var(--c-primary)}
.stat-card .stat-icon.green{background:var(--c-success-l);color:var(--c-success)}
.stat-card .stat-icon.orange{background:var(--c-warning-l);color:var(--c-warning)}
.stat-card .stat-icon.red{background:var(--c-danger-l);color:var(--c-danger)}
.stat-card .label{font-size:11.5px;color:var(--txt-3);font-weight:500;margin-bottom:2px}
.stat-card .value{font-size:22px;font-weight:700;color:var(--txt);letter-spacing:-.5px;line-height:1.2}
.stat-card .value.green{color:var(--c-success)}.stat-card .value.red{color:var(--c-danger)}
.stat-card .value.blue{color:var(--c-primary)}.stat-card .value.orange{color:var(--c-warning)}

/* Buttons */
.btn{
    display:inline-flex;align-items:center;justify-content:center;gap:5px;
    padding:8px 18px;border-radius:var(--r);border:none;cursor:pointer;
    font-size:13px;font-weight:500;transition:all .15s var(--ease);
    text-decoration:none;white-space:nowrap;
}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 1px 3px rgba(79,70,229,.3)}
.btn-primary:hover{background:var(--c-primary-h);box-shadow:0 4px 12px rgba(79,70,229,.35)}
.btn-sm{padding:5px 12px;font-size:11.5px;border-radius:6px}
.btn-outline{background:transparent;border:1.5px solid var(--bdr);color:var(--txt-2)}
.btn-outline:hover{background:var(--bg);border-color:#cbd5e1;color:var(--txt)}
.btn-danger{background:var(--c-danger);color:#fff}
.btn-danger:hover{box-shadow:0 4px 12px rgba(220,38,38,.3)}
.btn-block{width:100%;justify-content:center}
.btn[disabled],.btn:disabled{opacity:.5;cursor:not-allowed;pointer-events:none}

/* Toolbar */
.toolbar{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:16px;flex-wrap:wrap;gap:10px}
.toolbar-left{display:flex;align-items:center;gap:10px;flex-wrap:wrap}

/* Table */
.table-wrapper{
    background:var(--card);border-radius:var(--r-lg);
    box-shadow:var(--sh-xs);overflow:hidden;
    border:1px solid var(--bdr-l);
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;min-width:600px}
thead{background:#f8fafc}
th{
    padding:10px 14px;text-align:left;font-weight:600;font-size:11px;
    color:var(--txt-3);text-transform:uppercase;letter-spacing:.5px;
    border-bottom:1px solid var(--bdr);white-space:nowrap;
}
td{padding:11px 14px;border-bottom:1px solid var(--bdr-l);font-size:13px;color:var(--txt)}
tbody tr{transition:background .1s}
tbody tr:hover td{background:var(--c-primary-a)}
tbody tr:last-child td{border-bottom:none}
.actions{display:flex;gap:5px;flex-wrap:wrap;align-items:center}

/* Badge */
.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:5px;font-size:11px;font-weight:600}
.badge-active,.badge-published{background:var(--c-success-l);color:#065f46}
.badge-disabled{background:var(--c-danger-l);color:#991b1b}
.badge-draft{background:var(--c-warning-l);color:#92400e}
.badge-info{background:var(--c-info-l);color:#1e40af}
.badge-warning{background:#fef3c7;color:#92400e}
.badge-success{background:#dcfce7;color:#166534}
.badge-danger{background:#fef2f2;color:#991b1b}
.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--c-danger);display:inline-block;margin-left:3px}

/* Toggle Switch */
.toggle-switch{position:relative;display:inline-block;width:38px;height:20px;cursor:pointer;flex-shrink:0}
.toggle-switch input{opacity:0;width:0;height:0}
.toggle-slider{
    position:absolute;inset:0;background:#cbd5e1;border-radius:20px;transition:all .2s var(--ease);
}
.toggle-slider::before{
    content:'';position:absolute;left:3px;bottom:3px;width:14px;height:14px;
    background:#fff;border-radius:50%;transition:all .2s var(--ease);
    box-shadow:0 1px 2px rgba(0,0,0,.15);
}
.toggle-switch input:checked+.toggle-slider{background:var(--c-success)}
.toggle-switch input:checked+.toggle-slider::before{transform:translateX(18px)}

/* Modal */
.modal-overlay{
    display:none;position:fixed;inset:0;
    background:rgba(0,0,0,.4);backdrop-filter:blur(8px);
    z-index:1000;justify-content:center;align-items:center;
    padding:20px;
}
.modal-overlay.show{display:flex}
.modal{
    background:#fff;border-radius:20px;width:420px;max-width:100%;
    max-height:calc(100vh - 40px);overflow-y:auto;
    box-shadow:0 32px 64px rgba(0,0,0,.18),0 0 0 1px rgba(0,0,0,.03);
    animation:modalUp .35s cubic-bezier(.16,1,.3,1);
    position:relative;overflow:hidden;
}
.modal::before{
    content:'';position:absolute;top:0;left:0;right:0;height:4px;
    background:linear-gradient(90deg,var(--c-primary),#7c3aed,#ec4899);
    border-radius:20px 20px 0 0;
}
@keyframes modalUp{0%{opacity:0;transform:translateY(20px) scale(.95)}100%{opacity:1;transform:translateY(0) scale(1)}}
.modal-header{
    display:flex;justify-content:space-between;align-items:center;
    padding:24px 24px 0;
}
.modal-header h3{font-size:18px;font-weight:700;color:var(--txt);letter-spacing:-.3px}
.modal-close{
    width:32px;height:32px;border-radius:10px;border:none;
    background:#f1f5f9;color:var(--txt-3);font-size:18px;
    cursor:pointer;display:flex;align-items:center;justify-content:center;
    transition:all .2s var(--ease);flex-shrink:0;
}
.modal-close:hover{background:#e2e8f0;color:var(--txt);transform:rotate(90deg)}
.modal-body{padding:20px 24px 28px}
.modal-body .form-group{margin-bottom:16px}
.modal-body .form-group:last-of-type{margin-bottom:0}
.modal-body .form-group label{font-size:13px;font-weight:600;color:var(--txt);margin-bottom:7px;display:block}
.modal-body .form-input{
    width:100%;padding:11px 14px;font-size:14px;border-radius:10px;
    border:1.5px solid var(--bdr);background:#f8fafc;
    transition:all .2s var(--ease);outline:none;color:var(--txt);
    font-family:inherit;
}
.modal-body .form-input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-a);background:#fff}
.modal-body p{font-size:13px;color:var(--txt-2);line-height:1.6;margin-bottom:16px}
.modal-body .btn{margin-top:16px;padding:11px 20px;font-size:14px;border-radius:10px}
.modal-footer{display:flex;justify-content:flex-end;gap:10px;padding:0 24px 24px}
.form-message{font-size:13px;margin-top:10px;min-height:20px;line-height:1.5}

/* Form */
.form-group{margin-bottom:14px}
.form-group label{display:block;font-size:12px;font-weight:600;color:var(--txt);margin-bottom:5px}
.form-group input,.form-group select,.form-group textarea{
    width:100%;padding:8px 12px;border:1.5px solid var(--bdr);border-radius:var(--r);
    font-size:13px;outline:none;transition:all .2s var(--ease);
    background:#f8fafc;color:var(--txt);font-family:inherit;
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{
    border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-a);background:#fff;
}
.form-group select{
    appearance:none;
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat:no-repeat;background-position:right 10px center;padding-right:30px;cursor:pointer;
}
textarea.form-input{resize:vertical;min-height:70px}

/* Toast */
.toast-container{position:fixed;top:16px;right:16px;z-index:2000;display:flex;flex-direction:column;gap:6px;pointer-events:none}
.toast{
    display:flex;align-items:center;gap:8px;padding:10px 16px;
    border-radius:var(--r);color:#fff;font-size:13px;font-weight:500;
    box-shadow:0 8px 20px rgba(0,0,0,.15);
    animation:toastIn .3s var(--ease);min-width:220px;pointer-events:auto;
}
.toast-success{background:linear-gradient(135deg,#059669,#047857)}
.toast-error{background:linear-gradient(135deg,#dc2626,#b91c1c)}
.toast-info{background:linear-gradient(135deg,var(--c-primary),#4338ca)}
@keyframes toastIn{0%{transform:translateX(100%);opacity:0}100%{transform:translateX(0);opacity:1}}

/* Filter */
.filter-group{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.filter-group label{font-size:12px;color:var(--txt-3);font-weight:500}
.filter-group select,.filter-group input[type="date"]{
    padding:5px 28px 5px 8px;border:1.5px solid var(--bdr);border-radius:var(--r);
    font-size:12px;outline:none;background:#fff;appearance:none;
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat:no-repeat;background-position:right 8px center;
}
.filter-group input[type="date"]{padding:5px 8px;background-image:none}

/* Copy / Preview Link */
.preview-link{display:flex;align-items:center;gap:6px}
.preview-link a{color:var(--c-primary);text-decoration:none;font-size:12px;font-weight:500}
.preview-link a:hover{text-decoration:underline}
.copy-link-btn{
    background:none;border:1px solid var(--bdr);cursor:pointer;
    color:var(--txt-3);font-size:11px;padding:3px 7px;border-radius:5px;
    transition:all .15s var(--ease);
}
.copy-link-btn:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}

/* Empty State */
.empty-state{text-align:center;padding:48px 16px;color:var(--txt-3)}
.empty-state .icon{font-size:44px;margin-bottom:12px;opacity:.5}
.empty-state p{font-size:13px}

/* Upload Area */
.upload-area{
    border:2px dashed var(--bdr);border-radius:var(--r-lg);
    padding:24px;text-align:center;cursor:pointer;
    color:var(--txt-2);transition:all .2s var(--ease);background:#fafbfc;
}
.upload-area:hover{border-color:var(--c-primary);background:var(--c-primary-l)}
.upload-area .upload-icon{font-size:32px;margin-bottom:6px;opacity:.4}
.upload-area .upload-text{font-size:13px;font-weight:500}
.upload-area .upload-hint{font-size:11px;color:var(--txt-3)}
.upload-preview{
    position:relative;display:inline-block;margin-top:10px;
    border-radius:var(--r);overflow:hidden;border:1px solid var(--bdr-l);
}
.upload-preview img{display:block;max-width:200px;max-height:120px;object-fit:cover}
.upload-preview .remove-btn{
    position:absolute;top:4px;right:4px;
    width:22px;height:22px;border-radius:50%;border:none;
    background:rgba(0,0,0,.6);color:#fff;font-size:14px;
    cursor:pointer;display:flex;align-items:center;justify-content:center;
    transition:background .15s;
}
.upload-preview .remove-btn:hover{background:var(--c-danger)}

/* Editor Section */
.editor-section{
    margin-bottom:20px;background:#fff;padding:18px;
    border-radius:var(--r-lg);border:1px solid var(--bdr-l);box-shadow:var(--sh-xs);
}
.editor-section .section-title{
    font-size:13px;font-weight:600;color:var(--txt);
    margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--bdr-l);
    display:flex;align-items:center;gap:6px;
}
.editor-section .section-title .title-badge{
    font-size:10px;font-weight:600;padding:1px 7px;border-radius:4px;
    background:var(--c-primary-l);color:var(--c-primary);
}
.editor-actions{
    display:flex;align-items:center;gap:8px;
    padding-top:14px;border-top:1px solid var(--bdr-l);margin-top:20px;
}

/* Form Card */
.form-card{
    background:#fff;border-radius:var(--r-lg);padding:20px;
    border:1px solid var(--bdr-l);box-shadow:var(--sh-xs);
}

/* Message List */
.msg-list{display:flex;flex-direction:column;gap:5px;margin-bottom:8px}
.msg-item{
    display:flex;align-items:center;gap:6px;background:#fafbfc;
    padding:5px 8px;border-radius:var(--r);border:1px solid var(--bdr-l);
}
.msg-item .form-input{flex:1;border:none;background:transparent;padding:5px 4px;font-size:12.5px}
.msg-item .form-input:focus{box-shadow:none}
.msg-item .remove-msg{
    width:24px;height:24px;border:none;border-radius:5px;
    background:var(--c-danger-l);color:var(--c-danger);
    font-size:13px;cursor:pointer;flex-shrink:0;
    display:flex;align-items:center;justify-content:center;
}
.msg-item .remove-msg:hover{background:var(--c-danger);color:#fff}

/* Spinner */
.spinner{width:22px;height:22px;border:2.5px solid var(--bdr);border-top-color:var(--c-primary);border-radius:50%;animation:spin .6s linear infinite;margin:0 auto}
@keyframes spin{to{transform:rotate(360deg)}}

/* Status Dot */
.status-dot{width:6px;height:6px;border-radius:50%;display:inline-block;margin-right:4px}
.status-dot.active{background:var(--c-success)}
.status-dot.disabled{background:var(--c-danger)}

/* ============================================================
   MOBILE — 完全自適應
   ============================================================ */

/* 手機：側邊欄變抽屜 */
@media(max-width:768px){
    /* 隱藏側邊欄，改為絕對定位抽屜 */
    .sidebar{
        position:fixed;top:0;left:0;bottom:0;
        z-index:200;transform:translateX(-100%);
        transition:transform .3s var(--ease);
        width:260px;min-width:260px;
    }
    .sidebar.mobile-open{transform:translateX(0)}
    .sidebar-overlay{
        display:none;position:fixed;inset:0;
        background:rgba(0,0,0,.4);z-index:199;
    }
    .sidebar-overlay.show{display:block}

    /* 手機頂欄加漢堡按鈕 */
    .topbar{padding:0 14px}
    .mobile-menu-btn{
        display:flex;align-items:center;justify-content:center;
        width:36px;height:36px;border:none;background:none;
        font-size:20px;cursor:pointer;color:var(--txt);
        border-radius:var(--r);margin-right:8px;
    }
    .mobile-menu-btn:hover{background:var(--bg)}

    /* 內容區 */
    .content{padding:14px}

    /* 統計卡片 2列 */
    .stat-cards{grid-template-columns:repeat(2,1fr);gap:10px}
    .stat-card{padding:14px}
    .stat-card .value{font-size:20px}
    .stat-card .stat-icon{width:32px;height:32px;font-size:14px;margin-bottom:8px}

    /* 表格水平滾動 */
    .table-wrapper{overflow-x:auto}

    /* Modal 全寬 */
    .modal{width:calc(100vw - 24px);margin:12px}
    .modal-header{padding:16px 18px 0}
    .modal-body{padding:14px 18px}
    .modal-footer{padding:0 18px 16px}

    /* Filter 換行 */
    .filter-group{gap:5px}
    .toolbar{gap:8px}
    .toolbar-left{gap:8px}
}

@media(max-width:480px){
    .stat-cards{grid-template-columns:1fr 1fr;gap:8px}
    .stat-card{padding:12px}
    .stat-card .value{font-size:18px}
    .topbar .page-title{font-size:14px}
    .topbar-right .username{display:none}
    .btn{padding:7px 14px;font-size:12px}
    .btn-sm{padding:4px 10px;font-size:11px}
    .content{padding:12px}
}

/* ====== Global Form Input ====== */
.form-input{
    height:36px;padding:0 10px;border:1px solid var(--bdr);border-radius:var(--r);
    font-size:13px;color:var(--txt);background:#fff;outline:none;transition:border-color .2s;
}
.form-input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-a)}
.form-input::placeholder{color:var(--txt-3)}

/* ====== Prize Row ====== */
.prize-row{
    display:flex !important;align-items:center !important;gap:6px !important;
    background:#fafbfc;padding:8px 10px;
    border-radius:var(--r);border:1px solid var(--bdr-l);
    transition:border-color .2s,box-shadow .2s;
    flex-wrap:nowrap !important;
}
.prize-row:hover{border-color:var(--bdr);box-shadow:var(--sh-xs)}
.prize-row .prize-idx{
    min-width:22px;height:22px;display:flex !important;align-items:center;justify-content:center;
    background:var(--c-primary-l);color:var(--c-primary);border-radius:50%;
    font-size:11px;font-weight:600;flex-shrink:0;
}
.prize-row .prize-name{flex:1;min-width:0}
.prize-row .prize-prob{width:64px;flex-shrink:0;text-align:center}

/* ====== Prize Image Upload ====== */
.prize-img-wrap{
    display:flex !important;align-items:center !important;gap:6px;flex-shrink:0;
}
.prize-img-thumb{
    width:36px;height:36px;border-radius:6px;object-fit:cover;
    border:1px solid var(--bdr);background:#f8fafc;flex-shrink:0;
}
.prize-img-btn{
    display:inline-flex !important;align-items:center !important;gap:4px;
    padding:5px 10px;background:#f0f0ff;border:1px dashed var(--c-primary);
    border-radius:6px;cursor:pointer;font-size:11.5px;color:var(--c-primary);
    white-space:nowrap;transition:all .15s;flex-shrink:0;font-weight:500;
    text-decoration:none;line-height:1.4;
}
.prize-img-btn:hover{background:var(--c-primary);color:#fff;border-style:solid}
.prize-img-btn svg{flex-shrink:0}
.prize-img-btn input[type=file]{display:none !important;width:0 !important;height:0 !important;opacity:0;position:absolute;overflow:hidden}
.prize-img-remove{
    width:20px;height:20px;border:none;border-radius:4px;
    background:transparent;color:var(--txt-3);cursor:pointer;
    display:flex !important;align-items:center;justify-content:center;
    font-size:14px;flex-shrink:0;transition:all .15s;
}
.prize-img-remove:hover{background:var(--c-danger-l);color:var(--c-danger)}

/* ====== Prize Win Toggle ====== */
.prize-win-toggle{
    display:inline-flex !important;align-items:center !important;gap:5px;cursor:pointer;
    padding:4px 8px;border-radius:6px;flex-shrink:0;user-select:none;
}
.prize-win-toggle input[type=checkbox]{display:none !important;width:0;height:0;opacity:0;position:absolute;overflow:hidden}
.toggle-track{
    width:32px;height:18px;border-radius:9px;background:#d1d5db;
    position:relative;transition:background .2s;flex-shrink:0;
}
.prize-win-toggle input:checked + .toggle-track{background:var(--c-success)}
.toggle-thumb{
    width:14px;height:14px;border-radius:50%;background:#fff;
    position:absolute;top:2px;left:2px;transition:transform .2s;
    box-shadow:0 1px 2px rgba(0,0,0,.15);
}
.prize-win-toggle input:checked + .toggle-track .toggle-thumb{transform:translateX(14px)}
.toggle-label{font-size:11px;font-weight:500;color:var(--txt-2);white-space:nowrap}
.prize-win-toggle input:checked ~ .toggle-label{color:var(--c-success)}
.prize-win-toggle input:not(:checked) ~ .toggle-label{color:var(--txt-3)}

/* ====== Image URL Input with Upload Button ====== */
.img-url-group{display:flex;align-items:center;gap:6px}
.img-url-group .form-input{flex:1;min-width:0}
.img-upload-btn{
    display:inline-flex;align-items:center;gap:4px;
    padding:7px 12px;background:#f0f0ff;border:1px dashed var(--c-primary);
    border-radius:var(--r);cursor:pointer;font-size:11.5px;color:var(--c-primary);
    white-space:nowrap;transition:all .15s;flex-shrink:0;font-weight:500;
}
.img-upload-btn:hover{background:var(--c-primary);color:#fff;border-style:solid}
.img-upload-btn input[type=file]{display:none !important}
.img-upload-btn svg{flex-shrink:0}
.img-upload-btn .uploading{display:none;animation:spin .6s linear infinite}
.img-upload-btn.loading .upload-text{display:none}
.img-upload-btn.loading .uploading{display:inline-block}

/* ====== Editor Tab Navigation ====== */
.editor-tab-bar{
    display:flex;gap:0;border-bottom:2px solid var(--bdr-l);margin-bottom:18px;
    overflow-x:auto;-webkit-overflow-scrolling:touch;
}
.editor-tab-bar .editor-tab{
    padding:10px 18px;border:none;background:none;cursor:pointer;
    font-size:13px;font-weight:500;color:var(--txt-3);
    border-bottom:2px solid transparent;margin-bottom:-2px;
    transition:all .2s;white-space:nowrap;flex-shrink:0;
}
.editor-tab-bar .editor-tab:hover{color:var(--txt-2);background:var(--bg)}
.editor-tab-bar .editor-tab.active{
    color:var(--c-primary);border-bottom-color:var(--c-primary);font-weight:600;
}
.editor-panel{display:none}
.editor-panel.active{display:block;animation:tabIn .25s var(--ease)}

/* ====== Dashboard Utility Classes ====== */
.tab-title{font-size:18px;font-weight:600;margin:0}
.color-input{width:60px;height:40px;border:none;cursor:pointer;border-radius:6px}
.num-sm{width:100px}
.num-md{width:120px}
.flex-row{display:flex;gap:8px;margin-bottom:8px;align-items:center}
.flex-gap{display:flex;gap:20px}
.flex-wrap{display:flex;flex-wrap:wrap;gap:20px}
.checkbox-label{display:flex;align-items:center;gap:6px;cursor:pointer}
.empty-cell{padding:40px}
.form-card-full{max-width:100%}
.hidden{display:none}
.editor-msg{margin-top:12px;font-size:13px}
.info-text{font-size:12px;color:#999;margin-top:5px}
.info-box{background:#f6f8fa;border-radius:8px;padding:12px;margin-bottom:16px;font-size:12px;color:#666;line-height:1.6}
.comment-username{flex:1}
.comment-text{flex:3}
.comment-time{flex:1}
.date-filter{display:none;padding:6px 10px;border:1px solid var(--bdr);border-radius:6px;font-size:13px}
.date-sep{display:none}

/* ====== Image URL Input with Upload Button ====== */
.img-url-group{display:flex;align-items:center;gap:6px}
.img-url-group .form-input{flex:1;min-width:0}
.img-upload-btn{
    display:inline-flex;align-items:center;gap:4px;
    padding:7px 12px;background:#f0f0ff;border:1px dashed var(--c-primary);
    border-radius:var(--r);cursor:pointer;font-size:11.5px;color:var(--c-primary);
    white-space:nowrap;transition:all .15s;flex-shrink:0;font-weight:500;
}
.img-upload-btn:hover{background:var(--c-primary);color:#fff;border-style:solid}
.img-upload-btn input[type=file]{display:none}
.img-upload-btn .uploading{display:none;animation:spin .6s linear infinite}
.img-upload-btn.loading .upload-text{display:none}
.img-upload-btn.loading .uploading{display:inline-block}

/* ====== Form Group (Dashboard) ====== */
.form-group{margin-bottom:12px}
.form-group label{display:block;font-size:12px;font-weight:500;color:var(--txt-2);margin-bottom:4px}

/* 大屏：隱藏移動端按鈕 */
@media(min-width:769px){
    .mobile-menu-btn{display:none}
    .sidebar-overlay{display:none!important}
    .sidebar.collapsed + .main-area .topbar{padding-left:16px}
    .sidebar.collapsed + .main-area .content{padding:20px}
}