/* ═══════════════════════════════════════════════════════════
   葫芦侠工具箱 V5.10.0 — Cyber-Industrial Terminal
   Dark-mode power dashboard. Electric cyan. Glass cards.
   ═══════════════════════════════════════════════════════════ */

/* ── CSS Variables ── */
/* 暗色主题（默认，现有外观不变）*/
:root, [data-theme="dark"] {
  --primary:        #00e5ff;
  --primary-soft:   rgba(0, 229, 255, 0.08);
  --primary-glow:   rgba(0, 229, 255, 0.30);
  --primary-dark:   #00b8d4;

  --success:        #00e676;
  --success-soft:   rgba(0, 230, 118, 0.08);
  --warning:        #ffab40;
  --warning-soft:   rgba(255, 171, 64, 0.08);
  --danger:         #ff5252;
  --danger-soft:    rgba(255, 82, 82, 0.08);
  --info:           #40c4ff;
  --info-soft:      rgba(64, 196, 255, 0.08);

  --bg-body:        #080b12;
  --bg-card:        rgba(14, 18, 30, 0.85);
  --bg-card-solid:  #0e121e;
  --bg-input:       rgba(20, 26, 42, 0.7);
  --bg-hover:       rgba(30, 38, 58, 0.6);

  --text:           #e8eaed;
  --text-secondary: #9aa0b8;
  --text-muted:     #5a6080;

  --border:         rgba(255, 255, 255, 0.06);
  --border-light:   rgba(255, 255, 255, 0.04);
  --border-accent:  rgba(0, 229, 255, 0.15);

  --sidebar-bg:     #060912;
  --sidebar-hover:  rgba(0, 229, 255, 0.05);
  --sidebar-text:   #7a80a0;
  --sidebar-active: #ffffff;

  --sidebar-w:      260px;

  --radius-sm:      6px;
  --radius:         10px;
  --radius-lg:      14px;
  --radius-xl:      20px;

  --shadow-sm:      0 1px 3px rgba(0,0,0,.3);
  --shadow:         0 2px 12px rgba(0,0,0,.4), 0 0 0 1px rgba(255,255,255,.03);
  --shadow-md:      0 8px 30px rgba(0,0,0,.5), 0 0 0 1px rgba(255,255,255,.04);
  --shadow-lg:      0 16px 48px rgba(0,0,0,.6), 0 0 0 1px rgba(0,229,255,.06);

  --transition:     0.25s cubic-bezier(.4,0,.2,1);
  --font:           'Space Grotesk', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono:      'JetBrains Mono', 'SF Mono', 'Cascadia Code', 'Consolas', monospace;

  /* 新增派生变量 */
  --nav-hover-text:       #c8cce0;
  --bg-card-nested:       rgba(20, 26, 42, 0.5);
  --bg-input-focus:       rgba(20, 26, 42, 0.9);
  --bg-log:               rgba(8, 11, 18, 0.6);
  --text-on-primary:      #080b12;
  --alert-info-text:      #81d4fa;
  --alert-success-text:   #69f0ae;
  --alert-warning-text:   #ffcc80;
  --alert-danger-text:    #ff8a80;
  --rank-bronze-text:     #ff8a80;
  --rank-bronze:          #cd853f;
  --progress-danger-start:#ff5252;
  --progress-danger-end:  #ff8a80;
  --hero-gradient-start:  #00b8d4;
  --hero-gradient-end:    #18ffff;
  --gender-pink:          #ec4899;
  --gender-blue:          #3b82f6;

  /* Per-opacity color tokens — dark theme */
  --primary-06: rgba(0,229,255,0.06);
  --primary-10: rgba(0,229,255,0.10);
  --primary-12: rgba(0,229,255,0.12);
  --primary-15: rgba(0,229,255,0.15);
  --primary-20: rgba(0,229,255,0.20);
  --primary-25: rgba(0,229,255,0.25);
  --primary-35: rgba(0,229,255,0.35);
  --primary-02: rgba(0,229,255,0.02);
  --primary-border: rgba(0,229,255,0.12);
  --success-06: rgba(0,230,118,0.06);
  --success-10: rgba(0,230,118,0.10);
  --success-15: rgba(0,230,118,0.15);
  --success-20: rgba(0,230,118,0.20);
  --success-25: rgba(0,230,118,0.25);
  --success-35: rgba(0,230,118,0.35);
  --danger-06: rgba(255,82,82,0.06);
  --danger-10: rgba(255,82,82,0.10);
  --danger-15: rgba(255,82,82,0.15);
  --danger-20: rgba(255,82,82,0.20);
  --danger-25: rgba(255,82,82,0.25);
  --danger-35: rgba(255,82,82,0.35);
  --warning-06: rgba(255,171,64,0.06);
  --warning-10: rgba(255,171,64,0.10);
  --warning-12: rgba(255,171,64,0.12);
  --warning-15: rgba(255,171,64,0.15);
  --warning-20: rgba(255,171,64,0.20);
  --warning-25: rgba(255,171,64,0.25);
  --warning-30: rgba(255,171,64,0.30);
  --warning-35: rgba(255,171,64,0.35);
  --info-06: rgba(64,196,255,0.06);
  --info-15: rgba(64,196,255,0.15);
  --btn-ghost-hover: rgba(255,255,255,0.03);
  --bg-card-hover: rgba(14,18,30,0.95);
}

/* 亮色主题（V5.10.0） */
[data-theme="light"] {
  --primary:        #0097a7;
  --primary-soft:   rgba(0, 151, 167, 0.08);
  --primary-glow:   rgba(0, 151, 167, 0.20);
  --primary-dark:   #007c8c;

  --success:        #2e7d32;
  --success-soft:   rgba(46, 125, 50, 0.08);
  --warning:        #e65100;
  --warning-soft:   rgba(230, 81, 0, 0.08);
  --danger:         #c62828;
  --danger-soft:    rgba(198, 40, 40, 0.08);
  --info:           #0277bd;
  --info-soft:      rgba(2, 119, 189, 0.08);

  --bg-body:        #f0f2f5;
  --bg-card:        rgba(255, 255, 255, 0.92);
  --bg-card-solid:  #ffffff;
  --bg-input:       rgba(245, 247, 250, 0.95);
  --bg-hover:       rgba(235, 238, 245, 0.8);

  --text:           #1a1a2e;
  --text-secondary: #4a5568;
  --text-muted:     #8a8fa8;

  --border:         rgba(0, 0, 0, 0.08);
  --border-light:   rgba(0, 0, 0, 0.04);
  --border-accent:  rgba(0, 151, 167, 0.15);

  --sidebar-bg:     #f8f9fc;
  --sidebar-hover:  rgba(0, 151, 167, 0.06);
  --sidebar-text:   #6b7280;
  --sidebar-active: #1a1a2e;

  --shadow-sm:      0 1px 3px rgba(0,0,0,.06);
  --shadow:         0 2px 12px rgba(0,0,0,.08), 0 0 0 1px rgba(0,0,0,.03);
  --shadow-md:      0 8px 30px rgba(0,0,0,.12), 0 0 0 1px rgba(0,0,0,.04);
  --shadow-lg:      0 16px 48px rgba(0,0,0,.16), 0 0 0 1px rgba(0,151,167,.06);

  /* 派生变量--亮色 */
  --nav-hover-text:       #4a5568;
  --bg-card-nested:       rgba(240, 242, 245, 0.7);
  --bg-input-focus:       rgba(245, 247, 250, 0.98);
  --bg-log:               rgba(240, 242, 245, 0.8);
  --text-on-primary:      #ffffff;
  --alert-info-text:      #0288d1;
  --alert-success-text:   #2e7d32;
  --alert-warning-text:   #e65100;
  --alert-danger-text:    #c62828;
  --rank-bronze-text:     #b91c1c;
  --rank-bronze:          #a0522d;
  --progress-danger-start:#c62828;
  --progress-danger-end:  #ef5350;
  --hero-gradient-start:  #007c8c;
  --hero-gradient-end:    #0097a7;
  --gender-pink:          #db2777;
  --gender-blue:          #2563eb;

  /* Per-opacity color tokens — light theme */
  --primary-06: rgba(0,151,167,0.04);
  --primary-10: rgba(0,151,167,0.06);
  --primary-12: rgba(0,151,167,0.08);
  --primary-15: rgba(0,151,167,0.10);
  --primary-20: rgba(0,151,167,0.14);
  --primary-25: rgba(0,151,167,0.18);
  --primary-35: rgba(0,151,167,0.25);
  --primary-02: rgba(0,151,167,0.02);
  --primary-border: rgba(0,151,167,0.12);
  --success-06: rgba(46,125,50,0.04);
  --success-10: rgba(46,125,50,0.06);
  --success-15: rgba(46,125,50,0.10);
  --success-20: rgba(46,125,50,0.14);
  --success-25: rgba(46,125,50,0.18);
  --success-35: rgba(46,125,50,0.25);
  --danger-06: rgba(198,40,40,0.04);
  --danger-10: rgba(198,40,40,0.06);
  --danger-15: rgba(198,40,40,0.10);
  --danger-20: rgba(198,40,40,0.14);
  --danger-25: rgba(198,40,40,0.18);
  --danger-35: rgba(198,40,40,0.25);
  --warning-06: rgba(230,81,0,0.04);
  --warning-10: rgba(230,81,0,0.06);
  --warning-12: rgba(230,81,0,0.08);
  --warning-15: rgba(230,81,0,0.10);
  --warning-20: rgba(230,81,0,0.14);
  --warning-25: rgba(230,81,0,0.18);
  --warning-30: rgba(230,81,0,0.22);
  --warning-35: rgba(230,81,0,0.25);
  --info-06: rgba(2,136,209,0.04);
  --info-15: rgba(2,136,209,0.10);
  --btn-ghost-hover: rgba(0,0,0,0.04);
  --bg-card-hover: rgba(255,255,255,0.95);
}

/* 亮色主题 body 背景覆盖 */
[data-theme="light"] body {
    background-image:
        linear-gradient(rgba(0,151,167,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,151,167,0.04) 1px, transparent 1px);
}
[data-theme="light"] body::before {
    background:
        radial-gradient(ellipse at 20% 50%, rgba(0,151,167,0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(0,131,143,0.04) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(230,81,0,0.03) 0%, transparent 50%);
}

/* ═══════════════════ RESET & BASE ═══════════════════ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  background:var(--bg-body);
  color:var(--text);
  line-height:1.6;
  display:flex;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  /* Subtle background grid */
  background-image:
    linear-gradient(rgba(0,229,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,255,0.015) 1px, transparent 1px);
  background-size: 60px 60px;
  background-position: center center;
}
a{color:var(--primary);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--primary-dark)}
img{max-width:100%;display:block}
ul,ol{list-style:none}

/* ── Accessibility: reduced-motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ── Touch optimization ── */
a, button, [role="button"], input[type="submit"], input[type="button"] {
  touch-action: manipulation;
}

/* ── Focus visible ── */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ── Custom Scrollbar ── */
::-webkit-scrollbar{width:5px;height:5px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--border-accent)}

/* ═══════════════════ BACKGROUND EFFECTS ═══════════════════ */
body::before{
  content: '';
  position: fixed;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(0,229,255,0.03) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(0,184,212,0.04) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(255,171,64,0.02) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
  animation: bgShift 20s ease-in-out infinite;
}
@keyframes bgShift{
  0%,100%{transform:translate(0,0)}
  33%{transform:translate(1%,-0.5%)}
  66%{transform:translate(-0.5%,1%)}
}

/* ═══════════════════ SIDEBAR ═══════════════════ */
.sidebar{
  width:var(--sidebar-w);
  background:var(--sidebar-bg);
  color:var(--sidebar-text);
  position:fixed;top:0;left:0;bottom:0;
  z-index:100;overflow-y:auto;overflow-x:hidden;
  display:flex;flex-direction:column;
  border-right:1px solid var(--border);
  scrollbar-width:thin;
}
.sidebar-header{
  display:flex;
  align-items:center;
  padding:26px 22px 20px;
  border-bottom:1px solid var(--border);
}
.sidebar-brand{
  display:flex;align-items:center;gap:14px;
  text-decoration:none;color:var(--text);
  flex:1;min-width:0;
}
.brand-icon{
  width:44px;height:44px;
  background:linear-gradient(135deg, var(--primary-15), var(--primary-06));
  border:1px solid var(--primary-20);
  border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-size:1.2rem;flex-shrink:0;
  color:var(--primary);
  box-shadow:0 0 20px var(--primary-06), inset 0 0 20px var(--primary-06);
}
.brand-text{display:flex;flex-direction:column;gap:2px}
.brand-name{font-weight:700;font-size:1.05rem;line-height:1.2;letter-spacing:-.3px}
.brand-version{
  font-size:.65rem;font-family:var(--font-mono);color:var(--primary);
  background:var(--primary-06);padding:2px 8px;
  border-radius:4px;align-self:flex-start;letter-spacing:.5px;
}

.sidebar-nav{flex:1;padding:8px 0}

.nav-section{padding:0 12px;margin-bottom:4px}
.nav-section-title{
  font-size:.62rem;text-transform:uppercase;letter-spacing:1.5px;
  color:var(--sidebar-text);opacity:.4;
  padding:16px 14px 8px;font-weight:600;font-family:var(--font-mono);
}
.nav-link{
  display:flex;align-items:center;gap:10px;
  padding:9px 14px;border-radius:8px;
  text-decoration:none;color:var(--sidebar-text);
  font-size:.86rem;transition:background var(--transition), color var(--transition);
  margin-bottom:2px;position:relative;font-weight:500;
}
.nav-link:hover{background:var(--sidebar-hover);color:var(--nav-hover-text)}
.nav-link.active{
  background:var(--primary-06);
  color:var(--primary);
  border:1px solid var(--primary-border);
  box-shadow:0 0 16px var(--primary-06);
}
.nav-link i{width:18px;text-align:center;font-size:.85rem;opacity:.6}
.nav-link.active i,.nav-link:hover i{opacity:1}

.nav-badge{
  margin-left:auto;font-size:.6rem;padding:2px 7px;
  border-radius:4px;background:var(--warning-12);
  color:var(--warning);font-weight:700;letter-spacing:.3px;font-family:var(--font-mono);
}
.nav-link.active .nav-badge{
  background:var(--primary-12);color:var(--primary);
}

.sidebar-footer{
  padding:12px;border-top:1px solid var(--border);
}

/* ── Mobile Header ── */
.mobile-header{
  display:none;position:fixed;top:0;left:0;right:0;z-index:90;
  background:var(--sidebar-bg);color:var(--text);height:56px;
  align-items:center;padding:0 16px;gap:12px;
  border-bottom:1px solid var(--border);
}
.mobile-brand{color:var(--text);text-decoration:none;font-weight:700;font-size:1rem;letter-spacing:-.3px}
.sidebar-toggle{background:none;border:none;color:var(--text-secondary);font-size:1.3rem;cursor:pointer;padding:6px;border-radius:6px}
.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:99;backdrop-filter:blur(4px);border:none;cursor:pointer;width:100%}

/* ═══════════════════ MAIN CONTENT ═══════════════════ */
.main-content{
  margin-left:var(--sidebar-w);flex:1;
  padding:32px 40px;min-width:0;min-height:100vh;
  display:flex;flex-direction:column;
  position:relative;z-index:1;
}

.main-footer{
  text-align:center;color:var(--text-muted);
  margin-top:auto;padding:24px 0 8px;
  font-size:.75rem;border-top:1px solid var(--border);
  font-family:var(--font-mono);letter-spacing:.3px;opacity:.5;
}

/* ═══════════════════ PAGE HEADER ═══════════════════ */
.page-header{
  margin-bottom:28px;
  padding-bottom:20px;
  border-bottom:1px solid var(--border);
  text-align:center;
}
.page-header h1{
  font-size:1.6rem;font-weight:700;color:var(--text);
  margin-bottom:6px;letter-spacing:-.5px;
  display:flex;align-items:center;gap:12px;justify-content:center;
}
.page-header h1 i{color:var(--primary);font-size:1.3rem}
.page-header h2{
  font-size:1.3rem;font-weight:700;color:var(--text);
  margin-bottom:4px;letter-spacing:-.3px;
  display:flex;align-items:center;gap:10px;justify-content:center;
}
.page-header h2 i{color:var(--primary);font-size:1.1rem}
.page-header p{color:var(--text-secondary);font-size:.9rem;font-weight:400;text-align:center;}

/* ═══════════════════ HOME ═══════════════════ */
.home-hero{
  text-align:center;padding:32px 0 24px;
}
.home-hero h1{
  font-size:2.5rem;font-weight:700;letter-spacing:-1.5px;
  margin-bottom:6px;
  background:linear-gradient(135deg, var(--primary) 0%, var(--hero-gradient-start) 40%, var(--hero-gradient-end) 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
  filter:drop-shadow(0 0 20px rgba(0,229,255,0.3));
}
.home-hero p{color:var(--text-secondary);font-size:.9rem;font-weight:400}
.home-clock{
  font-size:3.2rem;font-weight:700;color:var(--text);
  line-height:1;margin-bottom:6px;font-variant-numeric:tabular-nums;
  font-family:var(--font-mono);letter-spacing:-1px;
}
.home-date{display:flex;gap:14px;justify-content:center;color:var(--text-secondary);font-size:.85rem;margin-bottom:28px;font-family:var(--font-mono)}

.search-wrap{position:relative;max-width:480px;margin:0 auto 32px}
.search-wrap .search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:.9rem}
.search-wrap input{
  padding-left:44px!important;border-radius:50px!important;
  background:var(--bg-input)!important;border:1px solid var(--border)!important;
  color:var(--text)!important;font-size:.9rem!important;
}
.search-wrap input:focus{
  border-color:var(--primary)!important;
  box-shadow:0 0 0 3px var(--primary-06), 0 0 20px var(--primary-10)!important;
}

.section-heading{
  font-size:1rem;font-weight:600;margin:32px 0 16px;
  display:flex;align-items:center;gap:10px;color:var(--text);
  letter-spacing:-.2px;
}
.section-heading i{color:var(--primary);font-size:.85rem;opacity:.8}

.tool-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(260px, 1fr));
  gap:12px;
}
.tool-card{
  display:flex;align-items:center;padding:18px 20px;
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius-lg);text-decoration:none;
  transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
}
.tool-card:hover{
  transform:translateY(-2px);
  border-color:var(--border-accent);
  box-shadow:0 0 24px rgba(0,229,255,.08), 0 4px 16px rgba(0,0,0,.3);
  background:var(--bg-card-hover);
}
.tool-icon{
  width:48px;height:48px;border-radius:12px;
  background:var(--primary-06);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:1.2rem;margin-right:14px;flex-shrink:0;
  transition:background var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  border:1px solid rgba(0,229,255,.1);
}
.tool-card:hover .tool-icon{
  background:var(--primary-12);
  border-color:var(--primary-25);
  box-shadow:0 0 20px var(--primary-15);
  transform:scale(1.04);
}
.tool-title{font-weight:600;font-size:.92rem;margin-bottom:3px;color:var(--text);letter-spacing:-.2px}
.tool-desc{font-size:.78rem;color:var(--text-muted);font-family:var(--font-mono);font-size:.72rem}

/* ═══════════════════ CARDS ═══════════════════ */
.card{
  background:var(--bg-card);border-radius:var(--radius-lg);
  padding:24px 28px;margin-bottom:18px;
  border:1px solid var(--border);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  transition:border-color var(--transition), box-shadow var(--transition);
}
.card:hover{border-color:var(--border-accent)}
.card-header{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:20px;padding-bottom:16px;
  border-bottom:1px solid var(--border);
}
.card-header h3,.card-header h4{
  font-size:1.05rem;font-weight:600;color:var(--text);
  display:flex;align-items:center;gap:10px;letter-spacing:-.3px;
}
.card-header h3 i,.card-header h4 i{color:var(--primary);font-size:.95rem}

.card .card{
  margin-bottom:14px;padding:20px;
  background:var(--bg-card-nested);
}

/* ═══════════════════ FORMS ═══════════════════ */
.form-row{display:flex;gap:14px;margin-bottom:2px}
.form-row>*{flex:1;min-width:0}

.form-group{margin-bottom:18px}
.form-group:last-child{margin-bottom:0}

.form-label{
  display:block;font-weight:600;font-size:.82rem;
  margin-bottom:7px;color:var(--text-secondary);
  letter-spacing:.2px;
}
.form-label .required{color:var(--danger)}

.form-input,
.form-select,
.form-textarea{
  width:100%;padding:11px 16px;
  border:1px solid var(--border);border-radius:var(--radius);
  font-size:.88rem;color:var(--text);background:var(--bg-input);
  outline:none;font-family:inherit;
  transition:border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 3px var(--primary-06), 0 0 20px var(--primary-10);
  background:var(--bg-input-focus);
  outline: none;
}
.form-input::placeholder{color:var(--text-muted)}

.form-select{
  appearance:none;padding-right:36px;cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%237a80a0' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 12px center;background-size:16px;
}
.form-select option{
  background:var(--bg-input);color:var(--text);
}

.form-textarea{resize:vertical;min-height:90px;font-family:var(--font-mono);font-size:.82rem}

.form-check{display:flex;align-items:center;gap:8px;margin-bottom:4px}
.form-check input[type="checkbox"]{
  width:18px;height:18px;accent-color:var(--primary);cursor:pointer;
  border-radius:4px;flex-shrink:0;
  background:var(--bg-input);border:1px solid var(--border);
}
.form-check label{cursor:pointer;font-size:.85rem;color:var(--text-secondary);user-select:none}

.form-hint{display:block;font-size:.74rem;color:var(--text-muted);margin-top:5px;font-family:var(--font-mono)}

/* ── Range Slider ── */
input[type="range"]{
  width:100%;height:6px;appearance:none;background:var(--bg-hover);
  border-radius:3px;outline:none;cursor:pointer;
}
input[type="range"]::-webkit-slider-thumb{
  appearance:none;width:22px;height:22px;
  background:var(--primary);border-radius:50%;
  box-shadow:0 0 16px var(--primary-glow);cursor:pointer;
  border:2px solid var(--bg-body);
}

/* ═══════════════════ BUTTONS ═══════════════════ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  gap:7px;padding:11px 24px;border-radius:var(--radius);
  font-weight:600;border:none;cursor:pointer;
  font-size:.88rem;font-family:inherit;
  transition:background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);line-height:1.4;
  white-space:nowrap;text-decoration:none;letter-spacing:-.1px;
}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none!important;box-shadow:none!important;filter:none!important}
.btn-block{width:100%}
.btn-sm{padding:7px 15px;font-size:.78rem;border-radius:var(--radius-sm)}

.btn-primary{
  background:linear-gradient(135deg, var(--primary-15), var(--primary-06));
  border:1px solid var(--primary-20);
  color:var(--primary);
}
.btn-primary:hover:not(:disabled){
  background:linear-gradient(135deg, var(--primary-25), var(--primary-12));
  border-color:var(--primary-35);
  transform:translateY(-1px);
  box-shadow:0 0 20px var(--primary-15);
  color:#fff;
}

.btn-success{
  background:linear-gradient(135deg, var(--success-15), var(--success-06));
  border:1px solid var(--success-20);
  color:var(--success);
}
.btn-success:hover:not(:disabled){
  background:linear-gradient(135deg, var(--success-25), var(--success-10));
  border-color:var(--success-35);
  transform:translateY(-1px);
  box-shadow:0 0 20px var(--success-15);
  color:#fff;
}

.btn-danger{
  background:linear-gradient(135deg, var(--danger-15), var(--danger-06));
  border:1px solid var(--danger-20);
  color:var(--danger);
}
.btn-danger:hover:not(:disabled){
  background:linear-gradient(135deg, var(--danger-25), var(--danger-10));
  border-color:var(--danger-35);
  transform:translateY(-1px);
  box-shadow:0 0 20px var(--danger-15);
  color:#fff;
}

.btn-warning{
  background:linear-gradient(135deg, var(--warning-15), var(--warning-06));
  border:1px solid var(--warning-20);
  color:var(--warning);
}
.btn-warning:hover:not(:disabled){
  background:linear-gradient(135deg, var(--warning-25), var(--warning-12));
  border-color:var(--warning-35);
  transform:translateY(-1px);
  box-shadow:0 0 20px var(--warning-15);
  color:#fff;
}

.btn-outline{
  background:transparent;color:var(--text-secondary);
  border:1px solid var(--border);
}
.btn-outline:hover:not(:disabled){
  border-color:var(--text-secondary);color:var(--text);
  background:rgba(255,255,255,.03);
}

.btn-ghost{
  background:transparent;color:var(--text-secondary);border:1px solid transparent;
}
.btn-ghost:hover:not(:disabled){background:var(--btn-ghost-hover);color:var(--text)}

/* ═══════════════════ ALERTS ═══════════════════ */
.alert{
  padding:14px 18px;border-radius:var(--radius);
  font-size:.85rem;display:flex;align-items:flex-start;gap:10px;
  margin-bottom:16px;line-height:1.5;
  border:1px solid transparent;
  backdrop-filter:blur(8px);
}
.alert i{flex-shrink:0;margin-top:2px;font-size:.95rem}
.alert-info{background:var(--info-06);border-color:var(--info-15);color:var(--alert-info-text)}
.alert-success{background:var(--success-06);border-color:var(--success-15);color:var(--alert-success-text)}
.alert-warning{background:var(--warning-06);border-color:var(--warning-15);color:var(--alert-warning-text)}
.alert-danger{background:var(--danger-06);border-color:var(--danger-15);color:var(--alert-danger-text)}
.alert-title{font-weight:700;display:block;margin-bottom:3px;letter-spacing:-.2px}

/* ═══════════════════ STATS ═══════════════════ */
.stats-row{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(150px, 1fr));
  gap:12px;margin-bottom:18px;
}
.stat-card{
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:20px 16px;
  text-align:center;transition:border-color var(--transition), box-shadow var(--transition);
  backdrop-filter:blur(16px);
}
.stat-card:hover{border-color:var(--border-accent);box-shadow:0 0 20px rgba(0,229,255,.04)}
.stat-value{font-size:1.8rem;font-weight:700;line-height:1.2;color:var(--text);font-family:var(--font-mono);letter-spacing:-1px}
.stat-value.accent{color:var(--primary)}
.stat-value.success{color:var(--success)}
.stat-value.danger{color:var(--danger)}
.stat-value.warning{color:var(--warning)}
.stat-label{font-size:.72rem;color:var(--text-muted);margin-top:6px;text-transform:uppercase;letter-spacing:.8px;font-family:var(--font-mono)}

.stat-slot{
  background:var(--bg-input);border-radius:var(--radius);
  padding:10px 16px;text-align:center;min-width:100px;
  border:1px solid var(--border);
}
.stat-slot .stat-label{font-size:.68rem;margin-bottom:3px;display:block}
.stat-slot .stat-value{font-size:.92rem;font-weight:600;display:block;white-space:nowrap}

/* ── Heat Stats Dashboard Cards (V5.10.0) ── */
.stat-card-item {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 20px 18px;
  display: flex; align-items: center; gap: 14px;
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.stat-card-item:hover { border-color: var(--primary); box-shadow: 0 0 20px rgba(0,229,255,.06); }
.stat-card-item .stat-card-icon {
  width: 48px; height: 48px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.15rem; flex-shrink: 0;
}
.stat-card-item .stat-card-body { flex: 1; min-width: 0; }
.stat-card-item .stat-card-value {
  font-size: 1.35rem; font-weight: 800; line-height: 1.2; color: var(--text);
  font-variant-numeric: tabular-nums; font-family: var(--font-mono);
}
.stat-card-item .stat-card-label { font-size: 0.78rem; color: var(--text-muted); margin-top: 2px; }
.stat-card-item .stat-card-sub { font-size: 0.72rem; color: var(--text-muted); margin-top: 1px; opacity: 0.7; }

/* ── Ranking Badge ── */
.rank-badge { font-variant-numeric: tabular-nums; }

/* ═══════════════════ TABLES ═══════════════════ */
.table-wrap{
  overflow-x:auto;border-radius:var(--radius);
  border:1px solid var(--border);
}
.table{
  width:100%;border-collapse:collapse;background:var(--bg-card);
  font-size:.84rem;
}
.table th{
  background:var(--bg-input);color:var(--text-secondary);
  font-weight:600;padding:12px 16px;text-align:left;
  white-space:nowrap;border-bottom:1px solid var(--border);
  font-size:.74rem;text-transform:uppercase;letter-spacing:.5px;font-family:var(--font-mono);
}
.table td{padding:12px 16px;border-bottom:1px solid var(--border-light);vertical-align:middle}
.table tr:hover td{background:var(--primary-02);}
.table .col-id{font-family:var(--font-mono);color:var(--text-muted);font-size:.78rem}
.table .col-title{max-width:240px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block}

/* ═══════════════════ TAGS / BADGES ═══════════════════ */
.tag{
  display:inline-flex;align-items:center;gap:4px;
  padding:3px 10px;border-radius:20px;
  font-size:.7rem;font-weight:600;font-family:var(--font-mono);letter-spacing:.3px;
}
.tag-primary{background:var(--primary-10);color:var(--primary);border:1px solid var(--primary-20)}
.tag-success{background:var(--success-10);color:var(--success);border:1px solid var(--success-20)}
.tag-danger{background:var(--danger-10);color:var(--danger);border:1px solid var(--danger-20)}
.tag-warning{background:var(--warning-10);color:var(--warning);border:1px solid var(--warning-20)}

/* ═══════════════════ PROGRESS ═══════════════════ */
.progress{
  height:6px;background:var(--bg-hover);
  border-radius:10px;overflow:hidden;margin:8px 0;
}
.progress-bar{
  height:100%;border-radius:10px;
  background:linear-gradient(90deg, var(--primary), var(--hero-gradient-start), var(--primary));
  background-size:200% 100%;
  animation:progressShimmer 2s linear infinite;
  transition:width .4s ease;min-width:0;
  display:flex;align-items:center;justify-content:center;
  font-size:.62rem;color:var(--text-on-primary);font-weight:700;font-family:var(--font-mono);
}
@keyframes progressShimmer{
  0%{background-position:200% 0}
  100%{background-position:-200% 0}
}
.progress-bar.danger{background:linear-gradient(90deg, var(--progress-danger-start), var(--progress-danger-end), var(--progress-danger-start));background-size:200% 100%;animation:progressShimmer 2s linear infinite}

/* ═══════════════════ LOG BOX ═══════════════════ */
.log-box{
  height:260px;overflow-y:auto;
  background:var(--bg-log);border:1px solid var(--border);
  border-radius:var(--radius);padding:14px;
  font-family:var(--font-mono);font-size:.76rem;
  color:var(--text-secondary);line-height:1.7;
  scroll-behavior:smooth;
}
.log-box .log-info{color:var(--text-secondary)}
.log-box .log-success{color:var(--success)}
.log-box .log-error{color:var(--danger)}
.log-box .log-warn{color:var(--warning)}

/* ═══════════════════ TASK PANEL ═══════════════════ */
.task-panel{display:none;margin-top:18px}
.task-panel .card-header .status-dot{
  width:9px;height:9px;border-radius:50%;background:var(--primary);
  animation:pulse 1.5s infinite;
  box-shadow:0 0 8px var(--primary-glow);
}
.task-panel .task-controls{display:flex;gap:8px}

/* ═══════════════════ MODERATORS ═══════════════════ */
.mod-list{display:flex;flex-wrap:wrap;gap:8px}
.mod-card{
  display:flex;align-items:center;gap:8px;
  background:var(--bg-input);padding:6px 12px;
  border-radius:24px;border:1px solid var(--border);
  transition:border-color var(--transition);
}
.mod-card:hover{border-color:var(--border-accent)}
.mod-avatar{width:28px;height:28px;border-radius:50%;object-fit:cover}
.mod-name{font-weight:600;font-size:.82rem}
.mod-id{font-size:.68rem;color:var(--text-muted);font-family:var(--font-mono)}

/* ═══════════════════ RANKING ═══════════════════ */
.rank-item{
  display:flex;align-items:center;padding:15px 18px;
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius-lg);margin-bottom:10px;
  transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition);cursor:pointer;gap:14px;
  backdrop-filter:blur(16px);
}
.rank-item:hover{transform:translateX(4px);border-color:var(--border-accent);box-shadow:0 0 20px rgba(0,229,255,.04)}
.rank-num{
  width:32px;height:32px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:.85rem;flex-shrink:0;font-family:var(--font-mono);
}
.rank-num.gold{background:var(--warning-15);color:var(--warning);border:1px solid var(--warning-30)}
.rank-num.silver{background:var(--bg-hover);color:var(--text-secondary);border:1px solid var(--border)}
.rank-num.bronze{background:var(--danger-06);color:var(--rank-bronze-text);border:1px solid var(--danger-20)}
.rank-info{flex:1;min-width:0}
.rank-info .name{font-weight:600;font-size:.9rem}
.rank-info .detail{font-size:.76rem;color:var(--text-muted);font-family:var(--font-mono)}

/* ═══════════════════ CHART LAYOUT ═══════════════════ */
.chart-layout{
  display:grid;grid-template-columns:1fr 1.5fr;
  gap:16px;margin-top:16px;align-items:start;
}
.chart-panel{
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius-lg);overflow:hidden;
  backdrop-filter:blur(16px);
}
.chart-panel .chart-body{height:420px;display:flex;flex-direction:column;padding:12px}
.chart-panel .table-scroll{max-height:420px;overflow-y:auto}
.chart-panel table th{position:sticky;top:0;z-index:1}

/* ═══════════════════ TOAST ═══════════════════ */
.toast-container{position:fixed;top:20px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:8px}
.toast{
  display:flex;align-items:center;gap:10px;
  padding:14px 20px;border-radius:var(--radius);
  background:var(--bg-card);border:1px solid var(--border);
  box-shadow:var(--shadow-lg);backdrop-filter:blur(16px);
  font-size:.85rem;min-width:220px;
  animation:slideInRight .3s ease;
  border-left:3px solid var(--primary);
}
.toast.success{border-left-color:var(--success)}
.toast.error{border-left-color:var(--danger)}
.toast.warning{border-left-color:var(--warning)}
@keyframes slideInRight{from{opacity:0;transform:translateX(100%)}to{opacity:1;transform:translateX(0)}}

/* ═══════════════════ UTILITIES ═══════════════════ */
.text-center{text-align:center}
.text-right{text-align:right}
.text-muted{color:var(--text-muted)}
.text-success{color:var(--success)}
.text-danger{color:var(--danger)}
.text-warning{color:var(--warning)}
.text-primary{color:var(--primary)}
.font-mono{font-family:var(--font-mono)}

.flex{display:flex}
.flex-col{flex-direction:column}
.flex-wrap{flex-wrap:wrap}
.items-center{align-items:center}
.justify-between{justify-content:space-between}
.justify-center{justify-content:center}
.gap-2{gap:8px}
.gap-3{gap:12px}
.gap-4{gap:16px}
.flex-1{flex:1;min-width:0}

.mt-1{margin-top:8px}
.mt-2{margin-top:12px}
.mt-3{margin-top:16px}
.mt-4{margin-top:20px}
.mt-5{margin-top:28px}
.mb-1{margin-bottom:8px}
.mb-2{margin-bottom:12px}
.mb-3{margin-bottom:16px}
.mb-4{margin-bottom:20px}

.p-3{padding:16px}
.p-4{padding:20px}

.w-full{width:100%}

.hidden{display:none}

/* ═══════════════════ EMPTY STATE ═══════════════════ */
.empty-state{
  text-align:center;padding:60px 20px;color:var(--text-muted);
  opacity:.4;
}
.empty-state i{font-size:3.5rem;margin-bottom:16px;display:block}

/* ═══════════════════ DIVIDER ═══════════════════ */
.divider{
  display:flex;align-items:center;gap:12px;margin:24px 0;
}
.divider::before,.divider::after{
  content:'';flex:1;height:1px;
  background:linear-gradient(90deg, transparent, var(--border), transparent);
}
.divider span{
  font-size:.74rem;color:var(--text-muted);
  font-weight:600;text-transform:uppercase;letter-spacing:1.5px;font-family:var(--font-mono);
}

/* ═══════════════════ ADMIN PAGES ═══════════════════ */
.admin-layout{max-width:900px;margin:0 auto}
.admin-hero{
  background:linear-gradient(135deg, var(--primary-06), var(--primary-02));
  border:1px solid var(--border);
  border-radius:var(--radius-xl);padding:32px 36px;margin-bottom:24px;
  color:var(--text);text-align:center;
  backdrop-filter:blur(16px);
}
.admin-hero h1{font-size:1.6rem;font-weight:700;margin-bottom:6px;letter-spacing:-.5px}
.admin-hero p{opacity:.6;font-size:.88rem;font-family:var(--font-mono)}

/* ── 主题切换按钮（侧边栏头部内联）── */
.theme-toggle-btn {
    width: 36px; height: 36px;
    border-radius: 10px;
    border: 1px solid var(--primary-border);
    background: var(--primary-06);
    color: var(--primary);
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s, border-color 0.3s, color 0.3s, box-shadow 0.3s;
    outline: none;
    flex-shrink: 0;
    margin-left: auto;
}
.theme-toggle-btn:hover {
    background: var(--primary-10);
    border-color: var(--primary);
    box-shadow: 0 0 12px var(--primary-glow);
}
.theme-toggle-btn:active { transform: scale(0.92); }

/* 主题图标 - 系统 emoji，不依赖外部字体 */
.theme-icon {
    font-family: 'Apple Color Emoji', 'Segoe UI Emoji', 'Noto Color Emoji', sans-serif;
    font-size: 16px;
    line-height: 1;
    pointer-events: none;
}

/* ═══════════════════ PAGE LOAD STAGGER ═══════════════════ */
@keyframes fadeUp{
  from{opacity:0;transform:translateY(12px)}
  to{opacity:1;transform:translateY(0)}
}
.card,.tool-card,.stat-card,.rank-item,.page-header,.alert{
  animation:fadeUp .5s ease backwards;
}
.card:nth-child(1){animation-delay:0.05s}
.card:nth-child(2){animation-delay:0.1s}
.card:nth-child(3){animation-delay:0.15s}
.stat-card:nth-child(1){animation-delay:0.1s}
.stat-card:nth-child(2){animation-delay:0.15s}
.stat-card:nth-child(3){animation-delay:0.2s}
.stat-card:nth-child(4){animation-delay:0.25s}
.tool-card:nth-child(1){animation-delay:0.08s}
.tool-card:nth-child(2){animation-delay:0.13s}
.tool-card:nth-child(3){animation-delay:0.18s}
.tool-card:nth-child(4){animation-delay:0.23s}
.tool-card:nth-child(5){animation-delay:0.28s}
.tool-card:nth-child(6){animation-delay:0.33s}
.rank-item:nth-child(1){animation-delay:0.1s}
.rank-item:nth-child(2){animation-delay:0.15s}
.rank-item:nth-child(3){animation-delay:0.2s}
.rank-item:nth-child(4){animation-delay:0.25s}
.rank-item:nth-child(5){animation-delay:0.3s}

/* ═══════════════════ RESPONSIVE ═══════════════════ */
@media (max-width: 768px) {
  .mobile-header{display:flex}
  .sidebar{transform:translateX(-100%);transition:transform .3s ease}
  .sidebar.open{transform:translateX(0)}
  .sidebar-overlay.open{display:block}
  .main-content{margin-left:0;padding:72px 16px 20px}

  .form-row{flex-direction:column;gap:0}
  .chart-layout{grid-template-columns:1fr}
  .chart-panel .chart-body{height:280px}
  .tool-grid{grid-template-columns:1fr}
  .stats-row{grid-template-columns:1fr 1fr}
  .home-hero h1{font-size:1.8rem}
  .home-clock{font-size:2.4rem}
  .card{padding:18px}
  .btn-responsive{width:100%}
}

@media (max-width: 480px) {
  .main-content{padding:64px 10px 16px}
  .stats-row{grid-template-columns:1fr}
  .home-clock{font-size:1.8rem}
}

/* ═══════════════════ ANIMATIONS ═══════════════════ */
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
@keyframes spin{to{transform:rotate(360deg)}}
.fa-spin{animation:spin 1s linear infinite}
.pulse{animation:pulse 2s infinite}

/* ═══════════════════ TOGGLE SWITCH (Admin) ═══════════════════ */
.switch{position:relative;display:inline-block;width:44px;height:24px}
.switch input{opacity:0;width:0;height:0}
.slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:var(--text-muted);transition:background-color 0.3s;border-radius:24px}
.slider:before{position:absolute;content:"";height:18px;width:18px;left:3px;bottom:3px;background-color:white;transition:transform 0.3s;border-radius:50%}
input:checked+.slider{background-color:var(--primary)}
input:checked+.slider:before{transform:translateX(20px)}