/* Sidebar, Auth & Mobile Navigation */

/* === Auth === */
#authMask{position:fixed;inset:0;background:var(--bg);z-index:9999;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:16px}
#authBox{width:min(420px,92vw);background:linear-gradient(180deg, rgba(100,113,255,.08), rgba(255,255,255,0) 28%), var(--panel);border:1px solid var(--line-strong);border-radius:20px;box-shadow:0 6px 24px rgba(0,0,0,.18);padding:28px 28px 24px;text-align:center;position:relative}
#authBox::before{display:none}
#authBox h3{margin:0 0 8px;font-size:24px;font-weight:800;color:#fff;letter-spacing:.02em}
#authBox p{margin:0 0 22px;color:var(--text-secondary);font-size:14px;line-height:1.55}
#authBox input[type="text"],#authBox input[type="password"]{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--line-strong);background:rgba(9,11,16,.88);color:#fff;font-size:15px;outline:none;font-family:var(--font)}
#authBox .auth-pw-wrap{position:relative;margin-bottom:12px}
#authBox .auth-pw-wrap input[type="password"],#authBox .auth-pw-wrap input[type="text"]{padding-right:42px;margin-bottom:0}
#authBox .auth-pw-toggle,#authBox .auth-pw-toggle:hover,#authBox .auth-pw-toggle:active{position:absolute;right:10px;top:50%;transform:translateY(-50%);background:none;border:none;box-shadow:none;color:var(--muted);padding:6px;cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:color var(--duration-fast) var(--ease-out);width:auto;min-height:auto}
#authBox .auth-pw-toggle:hover{color:var(--text)}
#authBox input:focus{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-glow)}
#authCodeInput{font-family:var(--font-mono);font-weight:700}
#authErr{margin-top:12px;color:var(--red);min-height:18px;font-size:13px}
.auth-brand{display:flex;align-items:center;justify-content:center;gap:8px;font-size:14px;font-weight:700;color:var(--text-secondary);margin-bottom:8px}
.auth-kicker{display:inline-flex;align-items:center;justify-content:center;margin:0 auto 18px;padding:6px 10px;border-radius:999px;background:rgba(100,113,255,.12);border:1px solid rgba(120,130,255,.24);color:#cfd5ff;font-size:12px;font-weight:700;letter-spacing:.02em}

/* === Sidebar === */
.sidebar{width:236px;flex-shrink:0;background:var(--bg);border-right:1px solid var(--line);display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0;z-index:100;overflow-y:auto;overflow-x:hidden;transition:width var(--duration-normal) var(--ease-out)}
.sidebar.sb-collapsed{width:64px}
.sidebar.sb-collapsed .sb-brand span,.sidebar.sb-collapsed .sb-section-label,.sidebar.sb-collapsed .sb-user-info,.sidebar.sb-collapsed .sb-lang-toggle,.sidebar.sb-collapsed .sb-user button{display:none}
.sidebar.sb-collapsed .sb-nav-item{justify-content:center;padding:10px 0;position:relative}
.sidebar.sb-collapsed .sb-nav-item span:not(.sb-proj-dot):not(.sb-badge){display:none}
/* 折叠态:未读数变成图标右上角的小角标,不再占整行 */
.sidebar.sb-collapsed .sb-badge{position:absolute;top:2px;right:8px;margin:0;min-width:16px;height:16px;padding:0 4px;font-size:10px;line-height:1;border-radius:8px;box-shadow:0 0 0 2px var(--bg)}
.sidebar.sb-collapsed .sb-projects .sb-nav-item{justify-content:center;padding:9px 0}
.sidebar.sb-collapsed .sb-proj-dot{width:20px;height:20px;font-size:10px}
.sidebar.sb-collapsed .sb-user{justify-content:center}
.sidebar.sb-collapsed .sb-user-avatar{width:30px;height:30px;font-size:12px}
.sb-collapse-btn{display:none}
.sb-collapse-btn:hover{border-color:var(--accent);color:var(--accent)}
/* [bug-fix #38] sidebar 折叠按钮 — 之前只有 CSS 没有 HTML，现在加 button 后定义样式 */
.sb-collapse{position:absolute;top:14px;right:-12px;width:24px;height:24px;border-radius:50%;border:1px solid var(--line-strong);background:var(--bg);color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0;z-index:5;transition:all var(--duration-fast) var(--ease-out)}
.sb-collapse:hover{border-color:var(--accent);color:var(--accent);background:var(--panel)}
.main-content{margin-left:236px;flex:1;min-width:0;padding:var(--space-5) var(--space-6) 40px;transition:margin-left var(--duration-normal) var(--ease-out)}
.main-content.mc-collapsed{margin-left:64px!important}
.sb-brand{padding:22px 18px 18px}
.sb-brand-link{display:flex;align-items:center;gap:12px;font-size:15px;font-weight:800;color:#fff;text-decoration:none;letter-spacing:-0.02em}
.sb-brand-link:hover{color:#fff;text-decoration:none}
.brand-dot{width:8px;height:8px;border-radius:50%;background:var(--accent)}
.sb-section-label{padding:18px 18px 6px;font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);font-weight:700}
.sb-nav{display:flex;flex-direction:column;gap:4px;padding:0 10px}
.sb-nav-item{display:flex;align-items:center;gap:12px;padding:10px 12px;font-size:14px;color:var(--text-secondary);text-decoration:none;border-radius:10px;transition:all var(--duration-fast) var(--ease-out);font-weight:500;border:none;background:none;cursor:pointer;width:100%;text-align:left}
.sb-nav-item:hover{color:var(--text);background:rgba(255,255,255,0.05);text-decoration:none}
.sb-nav-item.active{color:#fff;background:rgba(94,106,210,0.12);box-shadow:inset 0 0 0 1px rgba(94,106,210,0.18)}
.sb-nav-item svg{opacity:.5;flex-shrink:0}
.sb-nav-item:hover svg,.sb-nav-item.active svg{opacity:.9}
.sb-footer{margin-top:auto;padding:12px 8px 16px;border-top:1px solid var(--line)}
.sb-lang-btn{font-family:var(--font);color:var(--text-secondary)!important}
.sb-lang-toggle{display:inline-flex;align-items:center;gap:2px;background:rgba(255,255,255,.06);border-radius:8px;padding:3px;margin:0 10px 8px;cursor:pointer}
.sb-lang-opt{flex:1;display:inline-flex;align-items:center;justify-content:center;height:24px;min-width:32px;padding:0 10px;font-size:12px;font-weight:600;border-radius:6px;color:var(--muted);transition:all var(--duration-fast) var(--ease-out);letter-spacing:.02em;white-space:nowrap;line-height:1;box-sizing:border-box}
.sb-theme-opt{padding:0 10px!important}
.sb-theme-opt svg{width:14px;height:14px;display:block}
.sb-lang-opt.active{background:var(--accent);color:#fff}
.sb-user{display:flex;align-items:center;gap:12px;padding:14px 12px 0}
.sb-user-avatar{width:32px;height:32px;border-radius:10px;background:linear-gradient(180deg,var(--accent) 0%, var(--accent-hover) 100%);color:#fff;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.sb-user-info{min-width:0}
.sb-user-name{font-size:14px;font-weight:700;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sb-user-role{font-size:12px;color:var(--muted)}
.sb-proj-dot{width:18px;height:18px;border-radius:6px;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;background:rgba(94,106,210,0.14);border:1px solid rgba(94,106,210,0.25);color:var(--accent-light);font-size:10px;font-weight:800;letter-spacing:.02em}
.sb-projects .sb-nav-item{padding:9px 12px;font-size:13px}
.sb-badge{background:var(--accent);color:#fff;font-size:12px;font-weight:700;min-width:20px;height:20px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;padding:0 6px;margin-left:auto;flex-shrink:0}
/* Logout button (replaces inline style) */
.sb-logout-btn{background:none;border:1px solid var(--line);color:var(--muted);font-size:12px;cursor:pointer;padding:4px 10px;border-radius:6px;margin-left:auto;transition:all var(--duration-fast) var(--ease-out)}
.sb-logout-btn:hover{border-color:var(--accent);color:var(--accent)}

/* === Mobile Bottom Nav (shown <768px) === */
.mobile-nav{display:none}
@media(max-width:767px){
  /* [bug-fix] 移动端隐藏 fixed sidebar（汉堡触发时再显示），main-content 归位 */
  .sidebar{transform:translateX(-100%);transition:transform var(--duration-normal) var(--ease-out)}
  .sidebar.sb-mobile-open{transform:translateX(0);box-shadow:0 0 40px rgba(0,0,0,.5)}
  .main-content,.main-content.mc-collapsed{margin-left:0!important;padding-left:var(--space-3);padding-right:var(--space-3)}
  /* 移动端不显示 collapse 按钮 */
  .sb-collapse{display:none}
  .mobile-nav{display:flex;position:fixed;bottom:0;left:0;right:0;background:var(--glass);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-top:1px solid var(--glass-border);justify-content:space-around;padding:6px 0 env(safe-area-inset-bottom);z-index:200}
  .mobile-nav a{display:flex;flex-direction:column;align-items:center;gap:var(--space-1);padding:var(--space-2) var(--space-3);color:var(--muted);text-decoration:none;font-size:11px;font-weight:500;transition:color var(--duration-fast) var(--ease-out);position:relative;min-width:48px}
  .mobile-nav a:hover,.mobile-nav a.active{color:var(--accent);text-decoration:none}
  .mobile-nav svg{width:22px;height:22px;stroke:currentColor;fill:none}
  .mn-badge{position:absolute;top:0;right:var(--space-1);background:var(--accent);color:#fff;font-size:10px;font-weight:700;min-width:16px;height:16px;border-radius:8px;display:flex;align-items:center;justify-content:center;padding:0 var(--space-1)}
  .mobile-nav a:active{opacity:0.7;transition-duration:var(--duration-fast)}
  /* Add bottom padding to main content so it's not hidden behind nav */
  .main-content{padding-bottom:80px!important}
  /* UX FIX: Move notifications above mobile bottom nav */
  .notif-container{bottom:72px;right:12px;left:12px;max-width:none}
}

/* === Password show/hide toggle === */
.auth-pw-wrap{position:relative}
.auth-pw-wrap input{padding-right:40px}
.auth-pw-toggle{position:absolute;right:var(--space-2);top:50%;transform:translateY(-50%);background:none;border:none;color:var(--muted);padding:var(--space-1);cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:color var(--duration-fast) var(--ease-out)}
.auth-pw-toggle:hover{color:var(--text)}

/* === SVG collapse button (replaces « » chars) === */
.sb-collapse-icon{transition:transform var(--duration-normal) var(--ease-out)}
.sb-collapse-icon-flip{transform:rotate(180deg)}

.auth-brand-stack{display:flex;flex-direction:column;gap:12px;align-items:center;margin-bottom:16px}
.auth-brand-word{font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:#cfd5ff}
.auth-logo{width:64px;height:64px;border-radius:20px;display:grid;place-items:center;background:radial-gradient(circle at 35% 35%,rgba(122,162,255,.38),rgba(94,106,210,.14));border:1px solid rgba(122,162,255,.18);box-shadow:inset 0 1px 0 rgba(255,255,255,.08)}
.auth-logo-mark{position:relative;width:26px;height:26px}
.auth-logo-mark::before,.auth-logo-mark::after{content:'';position:absolute;border-radius:999px;background:linear-gradient(180deg,#93a8ff,#5e6ad2)}
.auth-logo-mark::before{width:26px;height:10px;left:0;top:8px;transform:rotate(-32deg)}
.auth-logo-mark::after{width:10px;height:26px;left:8px;top:0;transform:rotate(-32deg)}

/* [bug-fix] 之前 line 101-102 有 `.sidebar.sb-collapsed{width:236px}` 和 `.main-content.mc-collapsed{margin-left:236px!important}`，
   把折叠功能完全抵消（点折叠按钮也变不窄）。删除后折叠按钮恢复正常。
   collapsed 状态 width 由 line 22 控制（64px），main-content margin 由 line 33 控制（64px）。*/

.sb-proj-name{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1;}
.sb-proj-badge{margin-left:auto;min-width:18px;height:18px;padding:0 6px;border-radius:999px;background:rgba(94,106,210,.16);border:1px solid rgba(94,106,210,.28);color:var(--accent);font-size:11px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;}