/* AchieveX — settings.html styles */

/* ═══════════════════════════════════════
   DESIGN SYSTEM
═══════════════════════════════════════ */
:root {
  --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Sora', sans-serif;
  --blue-50:#EFF6FF; --blue-100:#DBEAFE; --blue-200:#BFDBFE;
  --blue-400:#60A5FA; --blue-500:#3B82F6; --blue-600:#2563EB;
  --blue-700:#1D4ED8; --blue-900:#1E3A8A;
  --green-500:#22C55E; --green-100:#DCFCE7;
  --amber-500:#F59E0B; --amber-100:#FEF3C7;
  --red-500:#EF4444;   --red-100:#FEE2E2;
  --purple-500:#A855F7; --purple-100:#F3E8FF;
  --cyan-500:#06B6D4;   --cyan-100:#CFFAFE;
  --bg:#F8F9FA; --bg2:#F1F3F4; --bg3:#E8EAED;
  --surface:#FFFFFF; --surface2:#F8F9FA; --surface3:#F1F3F4;
  --surface4:rgba(255,255,255,.92);
  --border:rgba(0,0,0,.06); --border-m:rgba(0,0,0,.10);
  --border-s:rgba(59,130,246,.18);
  --txt:#202124; --txt2:#3C4043; --txt3:#5F6368; --txt4:#9AA0A6;
  --glass:rgba(255,255,255,.88); --glass-border:rgba(255,255,255,.65);
  --primary:var(--blue-500); --primary-d:var(--blue-600); --primary-l:var(--blue-400);
  --shadow-xs:0 1px 2px rgba(60,64,67,.07),0 1px 3px rgba(60,64,67,.05);
  --shadow-sm:0 1px 3px rgba(60,64,67,.09),0 2px 8px rgba(60,64,67,.06);
  --shadow:0 2px 6px rgba(60,64,67,.10),0 4px 16px rgba(60,64,67,.07);
  --shadow-md:0 4px 12px rgba(60,64,67,.12),0 8px 32px rgba(60,64,67,.08);
  --shadow-lg:0 8px 24px rgba(60,64,67,.14),0 16px 56px rgba(60,64,67,.10);
  --shadow-xl:0 16px 48px rgba(60,64,67,.16),0 32px 80px rgba(60,64,67,.12);
  --shadow-blue:0 4px 16px rgba(59,130,246,.32),0 2px 6px rgba(59,130,246,.18);
  --r-xs:6px; --r-sm:8px; --r:12px; --r-lg:16px;
  --r-xl:20px; --r-2xl:24px; --r-3xl:32px; --r-full:9999px;
  --nav-h:60px; --side-w:240px;
  --ease:cubic-bezier(.25,.46,.45,.94);
  --ease-out:cubic-bezier(.16,1,.3,1);
  --ease-spring:cubic-bezier(.34,1.56,.64,1);
  --ease-google:cubic-bezier(.4,0,.2,1);
}
.dark {
  --bg:#1A1B1E; --bg2:#202124; --bg3:#2D2E31;
  --surface:#28292C; --surface2:#303134; --surface3:#3C4043;
  --surface4:rgba(40,41,44,.92);
  --border:rgba(255,255,255,.06); --border-m:rgba(255,255,255,.10);
  --glass:rgba(30,31,34,.92); --glass-border:rgba(255,255,255,.08);
  --txt:#E8EAED; --txt2:#BDC1C6; --txt3:#9AA0A6; --txt4:#5F6368;
  --shadow-xs:0 1px 3px rgba(0,0,0,.4),0 1px 4px rgba(0,0,0,.3);
  --shadow-sm:0 2px 6px rgba(0,0,0,.5),0 1px 3px rgba(0,0,0,.3);
  --shadow:0 4px 12px rgba(0,0,0,.55),0 2px 6px rgba(0,0,0,.35);
  --shadow-md:0 8px 24px rgba(0,0,0,.60),0 4px 12px rgba(0,0,0,.4);
  --shadow-lg:0 16px 48px rgba(0,0,0,.70),0 8px 20px rgba(0,0,0,.45);
  --shadow-xl:0 24px 72px rgba(0,0,0,.75),0 12px 32px rgba(0,0,0,.50);
}

/* ═══════════════════════════════════════
   RESET
═══════════════════════════════════════ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-tap-highlight-color:transparent}
body{
  font-family:var(--font-sans);background:var(--bg);color:var(--txt);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;overscroll-behavior-x:none;line-height:1.6;
  transition:background .35s var(--ease-google),color .35s var(--ease-google);
  overscroll-behavior:none;
  max-width:100vw;
}
::selection{background:rgba(59,130,246,.15);color:var(--txt)}
::-webkit-scrollbar{width:5px;height:5px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--bg3);border-radius:20px}
::-webkit-scrollbar-thumb:hover{background:var(--txt4)}
a{text-decoration:none;color:inherit}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
img,svg{display:block;max-width:100%}
input,textarea,select{font-family:inherit}

/* ═══════════════════════════════════════
   KEYFRAMES
═══════════════════════════════════════ */
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes scaleIn{from{opacity:0;transform:scale(.97)}to{opacity:1;transform:scale(1)}}
@keyframes slideDown{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
@keyframes slideUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}
@keyframes shimmer{from{background-position:200% 0}to{background-position:-200% 0}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes sectionIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

/* ═══════════════════════════════════════
   APP LAYOUT
═══════════════════════════════════════ */
.app-layout{display:flex;min-height:100vh;min-height:100dvh}

/* ═══════════════════════════════════════
   SIDEBAR
═══════════════════════════════════════ */
.sidebar{
  position:fixed;left:0;top:0;bottom:0;width:var(--side-w);
  background:var(--surface);border-right:1px solid var(--border);
  display:flex;flex-direction:column;z-index:300;
  transition:transform .32s var(--ease-out);
  overflow:hidden;
}
@media(max-width:1023px){.sidebar{transform:translateX(-100%);width:256px;box-shadow:var(--shadow-xl)}}
.sidebar.open{transform:translateX(0)}

.sidebar-header{
  padding:14px 12px;border-bottom:1px solid var(--border);flex-shrink:0;
  display:flex;align-items:center;justify-content:space-between;
  height:var(--nav-h);
}
.sidebar-logo{display:flex;align-items:center;gap:9px;cursor:pointer;text-decoration:none}
.sidebar-logo-mark{
  width:32px;height:32px;border-radius:var(--r-sm);
  background:linear-gradient(145deg,#4F93F8,#1D4ED8);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 2px 8px rgba(59,130,246,.32);flex-shrink:0;
  transition:transform .22s var(--ease-spring),box-shadow .22s;
}
.sidebar-logo-mark:hover{transform:scale(1.07) rotate(-3deg);box-shadow:0 4px 14px rgba(59,130,246,.4)}
.sidebar-logo-name{font-family:var(--font-display);font-size:16px;font-weight:700;letter-spacing:-.04em;color:var(--txt)}
.sidebar-close{
  width:28px;height:28px;border-radius:var(--r-sm);
  background:var(--surface2);border:1px solid var(--border);
  display:none;align-items:center;justify-content:center;
  color:var(--txt3);transition:all .18s;flex-shrink:0;
}
@media(max-width:1023px){.sidebar-close{display:flex}}
.sidebar-close:hover{background:var(--surface3);color:var(--txt)}

.sidebar-nav{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:10px;display:flex;flex-direction:column;gap:1px}
.sidebar-section-label{font-size:9.5px;font-weight:700;text-transform:uppercase;letter-spacing:.9px;color:var(--txt4);padding:10px 10px 4px}

.sidebar-link{
  display:flex;align-items:center;gap:11px;
  padding:9px 12px;border-radius:var(--r);
  font-size:13px;font-weight:500;color:var(--txt3);
  transition:background .15s,color .15s;
  position:relative;overflow:hidden;cursor:pointer;user-select:none;
}
.sidebar-link:hover{background:var(--surface2);color:var(--txt)}
.sidebar-link.active{background:rgba(59,130,246,.09);color:var(--blue-600)}
.sidebar-link.active .sidebar-link-icon{color:var(--blue-600)}
.sidebar-link-icon{
  width:30px;height:30px;border-radius:var(--r-sm);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;color:var(--txt4);transition:color .15s;
}
.sidebar-link:hover .sidebar-link-icon{color:var(--txt3)}
.sidebar-link-label{flex:1}
.sidebar-badge{
  font-size:9.5px;font-weight:700;
  background:var(--blue-500);color:#fff;
  padding:1px 6px;border-radius:var(--r-full);
}
.sidebar-badge.green{background:var(--green-500)}
.sidebar-badge.amber{background:var(--amber-500)}

.sidebar-footer{padding:12px;border-top:1px solid var(--border);flex-shrink:0}
.sidebar-user{
  display:flex;align-items:center;gap:10px;
  padding:9px 10px;border-radius:var(--r);
  background:var(--surface2);border:1px solid var(--border);
  cursor:pointer;transition:background .15s;
}
.sidebar-user:hover{background:var(--surface3)}
.sidebar-avatar{
  width:32px;height:32px;border-radius:50%;
  background:linear-gradient(135deg,var(--blue-500),var(--blue-700));
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;color:#fff;flex-shrink:0;
}
.sidebar-user-info{flex:1;min-width:0}
.sidebar-user-name{font-size:12.5px;font-weight:600;color:var(--txt);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar-user-role{font-size:10.5px;color:var(--txt4)}

/* ═══════════════════════════════════════
   MAIN AREA
═══════════════════════════════════════ */
.main-area{
  margin-left:var(--side-w);flex:1;
  display:flex;flex-direction:column;
  min-height:100vh;min-height:100dvh;
  transition:margin-left .32s var(--ease-out);
  overflow-x:hidden;
  min-width:0;
}
@media(max-width:1023px){.main-area{margin-left:0}}

/* ═══════════════════════════════════════
   TOP NAVBAR
═══════════════════════════════════════ */
.topnav{
  position:sticky;top:0;z-index:100;height:var(--nav-h);
  background:var(--surface);
  
  border-bottom:1px solid var(--border);
  box-shadow:0 1px 0 var(--border),var(--shadow-xs);
  display:flex;align-items:center;padding:0 16px;gap:10px;
  transition:background .35s var(--ease-google);flex-shrink:0;
}
.topnav-hamburger{
  width:32px;height:32px;border-radius:var(--r-sm);
  background:var(--surface2);border:1px solid var(--border);
  display:none;align-items:center;justify-content:center;
  color:var(--txt3);transition:all .18s;flex-shrink:0;
}
@media(max-width:1023px){.topnav-hamburger{display:flex}}
.topnav-hamburger:hover{background:var(--surface3);color:var(--txt)}

/* ─── SEARCH BAR ─── */
.search-wrap{
  flex:1;position:relative;max-width:420px;min-width:0;
  display:flex;align-items:center;
}
.search-icon{
  position:absolute;left:11px;top:50%;transform:translateY(-50%);
  color:var(--txt4);pointer-events:none;display:flex;align-items:center;
  z-index:1;
}
.search-input{
  width:100%;height:34px;padding:0 14px 0 34px;
  background:var(--surface2);border:1.5px solid var(--border);
  border-radius:var(--r-full);font-size:13px;color:var(--txt);
  outline:none;transition:all .2s;
}
.search-input:focus{
  background:var(--surface);border-color:var(--border-s);
  box-shadow:0 0 0 3px rgba(59,130,246,.10);
}
.search-input::placeholder{color:var(--txt4)}
#search-results{
  position:absolute;top:calc(100% + 6px);left:0;right:0;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-lg);box-shadow:var(--shadow-lg);
  z-index:500;display:none;overflow:hidden;
}

.topnav-title{
  font-family:var(--font-display);font-size:15px;font-weight:700;
  letter-spacing:-.03em;color:var(--txt);
}
.topnav-actions{display:flex;align-items:center;gap:5px;margin-left:auto;flex-shrink:0}

.icon-btn{
  width:32px;height:32px;border-radius:var(--r-sm);
  background:var(--surface2);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  color:var(--txt3);transition:all .18s;flex-shrink:0;position:relative;
}
.icon-btn:hover{background:var(--surface3);color:var(--txt)}
.icon-btn.active{background:rgba(59,130,246,.09);border-color:var(--border-s);color:var(--blue-600)}

/* Notification dot */
.notif-dot{
  position:absolute;top:5px;right:5px;
  width:7px;height:7px;border-radius:50%;
  background:var(--red-500);border:1.5px solid var(--surface);
}

.profile-btn{
  display:flex;align-items:center;gap:7px;
  padding:3px 9px 3px 3px;
  background:var(--surface2);border:1px solid var(--border);
  border-radius:var(--r-full);transition:all .18s;cursor:pointer;
}
.profile-btn:hover{background:var(--surface3);border-color:var(--border-m)}
.profile-avatar{
  width:26px;height:26px;border-radius:50%;
  background:linear-gradient(135deg,var(--blue-500),var(--blue-700));
  display:flex;align-items:center;justify-content:center;
  font-size:10px;font-weight:700;color:#fff;flex-shrink:0;
}
.profile-name{font-size:12px;font-weight:600;color:var(--txt)}
@media(max-width:480px){.profile-name{display:none}}

.profile-wrap{position:relative}
.profile-dropdown{
  position:absolute;top:calc(100% + 8px);right:0;min-width:200px;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-lg);box-shadow:var(--shadow-lg);
  padding:6px;z-index:400;pointer-events:none;
  opacity:0;visibility:hidden;transform:translateY(-6px) scale(.97);
  transition:opacity .18s,visibility .18s,transform .18s var(--ease);
}
.profile-dropdown.open{opacity:1;visibility:visible;transform:none;pointer-events:all}
.profile-dropdown-user{padding:10px;border-bottom:1px solid var(--border);margin-bottom:4px}
.profile-dropdown-uname{font-size:13px;font-weight:700;color:var(--txt)}
.profile-dropdown-email{font-size:11px;color:var(--txt4);margin-top:2px}
.dropdown-item{
  display:flex;align-items:center;gap:10px;
  padding:8px 10px;border-radius:var(--r-sm);
  font-size:13px;font-weight:500;color:var(--txt2);
  cursor:pointer;transition:background .12s;
}
.dropdown-item:hover{background:var(--surface2);color:var(--txt)}
.dropdown-item.danger{color:var(--red-500)}
.dropdown-item.danger:hover{background:rgba(239,68,68,.06)}
.dropdown-sep{height:1px;background:var(--border);margin:4px 0}

/* ═══════════════════════════════════════
   PAGE CONTENT
═══════════════════════════════════════ */
.page-content{
  flex:1;padding:24px 28px;
  max-width:960px;width:100%;margin:0 auto;
}
@media(max-width:768px){.page-content{padding:16px 14px}}
@media(max-width:480px){.page-content{padding:12px 10px}}

/* ═══════════════════════════════════════
   SETTINGS HEADER
═══════════════════════════════════════ */
.settings-header{
  background:linear-gradient(135deg,var(--blue-600) 0%,var(--blue-700) 50%,#1D3F9A 100%);
  border-radius:var(--r-xl);padding:22px 24px;
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:20px;overflow:hidden;position:relative;
  box-shadow:var(--shadow-blue);animation:fadeUp .5s var(--ease) both;
  gap:12px;
}
.settings-header::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse 50% 80% at 85% 50%,rgba(255,255,255,.06),transparent);
  pointer-events:none;
}
.settings-header::after{
  content:'';position:absolute;top:-30px;right:-30px;
  width:160px;height:160px;border-radius:50%;
  background:rgba(255,255,255,.04);pointer-events:none;
}
.settings-header-left{position:relative;z-index:1;min-width:0}
.settings-header-left h1{font-family:var(--font-display);font-size:20px;font-weight:700;color:#fff;letter-spacing:-.03em}
.settings-header-left p{font-size:12.5px;color:rgba(255,255,255,.6);margin-top:4px}
.settings-header-right{position:relative;z-index:1;display:flex;align-items:center;gap:8px;flex-shrink:0}
.settings-save-btn{
  height:34px;padding:0 16px;border-radius:var(--r-sm);
  font-size:12.5px;font-weight:600;
  background:#fff;color:var(--blue-700);
  border:none;transition:all .18s;cursor:pointer;
  display:flex;align-items:center;gap:6px;white-space:nowrap;
}
.settings-save-btn:hover{background:rgba(255,255,255,.92);transform:translateY(-1px)}
.settings-save-btn:active{transform:scale(.97)}

/* ═══════════════════════════════════════
   SETTINGS LAYOUT
═══════════════════════════════════════ */
.settings-layout{
  display:grid;
  grid-template-columns:210px 1fr;
  gap:18px;
  align-items:start;
}
@media(max-width:800px){.settings-layout{grid-template-columns:1fr}}

/* Settings Nav */
.settings-nav{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-xl);padding:8px;
  position:sticky;top:calc(var(--nav-h) + 14px);
  box-shadow:var(--shadow-xs);
  animation:fadeUp .5s .08s var(--ease) both;
}
@media(max-width:800px){
  .settings-nav{
    display:flex;flex-wrap:nowrap;overflow-x:auto;
    gap:4px;padding:6px;position:static;
    -webkit-overflow-scrolling:touch;
    scrollbar-width:none;
  }
  .settings-nav::-webkit-scrollbar{display:none}
}
.settings-nav-item{
  display:flex;align-items:center;gap:10px;
  padding:9px 11px;border-radius:var(--r);
  font-size:13px;font-weight:500;color:var(--txt3);
  cursor:pointer;transition:all .15s;white-space:nowrap;
}
@media(max-width:800px){
  .settings-nav-item{flex-shrink:0;padding:8px 12px}
}
.settings-nav-item:hover{background:var(--surface2);color:var(--txt)}
.settings-nav-item.active{background:rgba(59,130,246,.09);color:var(--blue-600)}
.settings-nav-item.active .settings-nav-icon{color:var(--blue-600)}
.settings-nav-icon{
  width:26px;height:26px;border-radius:var(--r-sm);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;color:var(--txt4);transition:color .15s;
}
.settings-nav-sep{height:1px;background:var(--border);margin:6px 0}
@media(max-width:800px){.settings-nav-sep{display:none}}

/* ═══════════════════════════════════════
   SETTINGS PANELS
═══════════════════════════════════════ */
.settings-panels{display:flex;flex-direction:column;gap:16px;animation:fadeUp .5s .14s var(--ease) both}
.settings-panel{display:none}
.settings-panel.active{display:flex;flex-direction:column;gap:16px;animation:sectionIn .3s var(--ease) both}

/* ═══════════════════════════════════════
   SETTINGS CARD
═══════════════════════════════════════ */
.s-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-xl);box-shadow:var(--shadow-xs);
  overflow:hidden;transition:box-shadow .2s;
}
.s-card:hover{box-shadow:var(--shadow-sm)}
.s-card-header{
  display:flex;align-items:center;gap:12px;
  padding:16px 20px;border-bottom:1px solid var(--border);
}
.s-card-icon{
  width:36px;height:36px;border-radius:var(--r-sm);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.s-card-header-text{min-width:0}
.s-card-title{font-size:14px;font-weight:700;color:var(--txt);letter-spacing:-.02em}
.s-card-subtitle{font-size:11.5px;color:var(--txt4);margin-top:1px}
.s-card-body{padding:20px}
@media(max-width:480px){.s-card-body{padding:14px}}

/* Color accent icons */
.s-card-icon.blue{background:rgba(59,130,246,.1);color:var(--blue-500)}
.s-card-icon.green{background:rgba(34,197,94,.1);color:var(--green-500)}
.s-card-icon.amber{background:rgba(245,158,11,.1);color:var(--amber-500)}
.s-card-icon.red{background:rgba(239,68,68,.1);color:var(--red-500)}
.s-card-icon.purple{background:rgba(168,85,247,.1);color:var(--purple-500)}
.s-card-icon.cyan{background:rgba(6,182,212,.1);color:var(--cyan-500)}

/* ═══════════════════════════════════════
   FORM ELEMENTS
═══════════════════════════════════════ */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:560px){.form-grid{grid-template-columns:1fr}}

.form-group{display:flex;flex-direction:column;gap:6px}
.form-label{font-size:12px;font-weight:600;color:var(--txt3);letter-spacing:.01em}
.form-input{
  height:40px;padding:0 14px;
  background:var(--surface2);border:1.5px solid var(--border);
  border-radius:var(--r);font-size:13.5px;color:var(--txt);
  outline:none;transition:all .2s;width:100%;
}
.form-input:focus{background:var(--surface);border-color:var(--border-s);box-shadow:0 0 0 3px rgba(59,130,246,.10)}
.form-input::placeholder{color:var(--txt4)}
.form-input:disabled{opacity:.5;cursor:not-allowed}
.form-select{
  height:40px;padding:0 36px 0 14px;
  background:var(--surface2);border:1.5px solid var(--border);
  border-radius:var(--r);font-size:13.5px;color:var(--txt);
  outline:none;cursor:pointer;transition:all .2s;width:100%;
  appearance:none;-webkit-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='%239AA0A6' 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;
}
.form-select:focus{background-color:var(--surface);border-color:var(--border-s);box-shadow:0 0 0 3px rgba(59,130,246,.10)}
.form-hint{font-size:11px;color:var(--txt4);margin-top:2px}

.form-actions{display:flex;align-items:center;gap:8px;margin-top:20px;padding-top:16px;border-top:1px solid var(--border);flex-wrap:wrap}

.btn-primary{
  height:38px;padding:0 18px;border-radius:var(--r);
  background:var(--blue-500);color:#fff;
  font-size:13px;font-weight:600;border:none;
  transition:all .18s;cursor:pointer;display:inline-flex;align-items:center;gap:7px;
  white-space:nowrap;
}
.btn-primary:hover{background:var(--blue-600);transform:translateY(-1px);box-shadow:var(--shadow-blue)}
.btn-primary:active{transform:scale(.97)}
.btn-primary:disabled{opacity:.55;pointer-events:none}

.btn-secondary{
  height:38px;padding:0 16px;border-radius:var(--r);
  background:var(--surface2);color:var(--txt2);
  font-size:13px;font-weight:600;border:1.5px solid var(--border);
  transition:all .18s;cursor:pointer;display:inline-flex;align-items:center;gap:7px;
  white-space:nowrap;
}
.btn-secondary:hover{background:var(--surface3);border-color:var(--border-m);color:var(--txt)}

.btn-danger{
  height:38px;padding:0 16px;border-radius:var(--r);
  background:rgba(239,68,68,.08);color:var(--red-500);
  font-size:13px;font-weight:600;border:1.5px solid rgba(239,68,68,.18);
  transition:all .18s;cursor:pointer;display:inline-flex;align-items:center;gap:7px;
  white-space:nowrap;
}
.btn-danger:hover{background:rgba(239,68,68,.14);border-color:rgba(239,68,68,.3)}

.btn-warning{
  height:38px;padding:0 16px;border-radius:var(--r);
  background:rgba(245,158,11,.08);color:var(--amber-500);
  font-size:13px;font-weight:600;border:1.5px solid rgba(245,158,11,.18);
  transition:all .18s;cursor:pointer;display:inline-flex;align-items:center;gap:7px;
  white-space:nowrap;
}
.btn-warning:hover{background:rgba(245,158,11,.14);border-color:rgba(245,158,11,.3)}

/* ═══════════════════════════════════════
   TOGGLE SWITCH
═══════════════════════════════════════ */
.toggle-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 0;border-bottom:1px solid var(--border);
  gap:12px;
}
.toggle-row:last-child{border-bottom:none;padding-bottom:0}
.toggle-row:first-child{padding-top:0}
.toggle-info{flex:1;min-width:0}
.toggle-label{font-size:13px;font-weight:600;color:var(--txt)}
.toggle-desc{font-size:11.5px;color:var(--txt4);margin-top:2px;line-height:1.5}

.toggle-switch{
  position:relative;width:44px;height:24px;flex-shrink:0;
  cursor:pointer;
}
.toggle-switch input{
  position:absolute;opacity:0;width:0;height:0;
  pointer-events:none;
}
.toggle-track{
  position:absolute;inset:0;border-radius:var(--r-full);
  background:var(--bg3);cursor:pointer;
  transition:background .22s var(--ease-google);
  border:1.5px solid var(--border-m);
}
.toggle-switch input:checked + .toggle-track{
  background:var(--blue-500);border-color:var(--blue-500);
}
.toggle-thumb{
  position:absolute;top:3px;left:3px;
  width:16px;height:16px;border-radius:50%;
  background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.2);
  transition:transform .22s var(--ease-spring);
  pointer-events:none;
}
.toggle-switch input:checked ~ .toggle-thumb{transform:translateX(20px)}

/* ═══════════════════════════════════════
   THEME PICKER
═══════════════════════════════════════ */
.theme-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:10px;
}
@media(max-width:480px){.theme-grid{grid-template-columns:1fr 1fr}}
.theme-option{
  padding:14px 12px;border-radius:var(--r-lg);
  border:1.5px solid var(--border);
  cursor:pointer;transition:all .2s;
  display:flex;flex-direction:column;align-items:center;gap:10px;
  background:var(--surface2);position:relative;
  user-select:none;
}
.theme-option:hover{border-color:var(--border-s);background:var(--surface)}
.theme-option.active{border-color:var(--blue-500);background:rgba(59,130,246,.05)}
.theme-option.active .theme-check{opacity:1;transform:scale(1)}
.theme-preview{
  width:100%;height:48px;border-radius:var(--r-sm);overflow:hidden;
  border:1px solid var(--border);position:relative;
}
.theme-preview-light{background:#F8F9FA}
.theme-preview-dark{background:#1A1B1E}
.theme-preview-sys{background:linear-gradient(135deg,#F8F9FA 50%,#1A1B1E 50%)}
.theme-preview-bar{
  height:8px;margin:6px 8px 0;
  border-radius:4px;
}
.theme-preview-bar.light{background:rgba(0,0,0,.08)}
.theme-preview-bar.dark{background:rgba(255,255,255,.1)}
.theme-preview-bar.sys-l{background:rgba(0,0,0,.08)}
.theme-preview-bar.sys-d{background:rgba(255,255,255,.1)}
.theme-preview-nav-light{height:12px;background:rgba(0,0,0,.04);border-bottom:1px solid rgba(0,0,0,.05)}
.theme-preview-nav-dark{height:12px;background:rgba(255,255,255,.04);border-bottom:1px solid rgba(255,255,255,.04)}
.theme-name{font-size:12px;font-weight:600;color:var(--txt2)}
.theme-check{
  position:absolute;top:8px;right:8px;
  width:20px;height:20px;border-radius:50%;
  background:var(--blue-500);display:flex;align-items:center;justify-content:center;
  opacity:0;transform:scale(.7);transition:all .2s var(--ease-spring);
}

/* ═══════════════════════════════════════
   RANGE SLIDER
═══════════════════════════════════════ */
.range-group{display:flex;flex-direction:column;gap:8px}
.range-header{display:flex;align-items:center;justify-content:space-between}
.range-label{font-size:12px;font-weight:600;color:var(--txt3)}
.range-value{
  font-size:13px;font-weight:700;color:var(--blue-500);
  background:rgba(59,130,246,.08);padding:2px 8px;border-radius:var(--r-sm);
}
input[type="range"]{
  -webkit-appearance:none;appearance:none;
  width:100%;height:4px;border-radius:4px;
  background:var(--bg3);outline:none;cursor:pointer;
}
input[type="range"]::-webkit-slider-thumb{
  -webkit-appearance:none;appearance:none;
  width:18px;height:18px;border-radius:50%;
  background:var(--blue-500);cursor:pointer;
  box-shadow:0 1px 4px rgba(59,130,246,.35);
  transition:transform .15s;
}
input[type="range"]::-webkit-slider-thumb:hover{transform:scale(1.2)}
input[type="range"]::-moz-range-thumb{
  width:18px;height:18px;border-radius:50%;
  background:var(--blue-500);cursor:pointer;border:none;
  box-shadow:0 1px 4px rgba(59,130,246,.35);
}

/* ═══════════════════════════════════════
   SESSION ITEM
═══════════════════════════════════════ */
.session-item{
  display:flex;align-items:center;gap:12px;
  padding:12px 0;border-bottom:1px solid var(--border);
  transition:opacity .2s;
}
.session-item:last-child{border-bottom:none;padding-bottom:0}
.session-item:first-child{padding-top:0}
.session-icon{
  width:36px;height:36px;border-radius:var(--r-sm);
  background:var(--surface2);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;color:var(--txt3);
}
.session-info{flex:1;min-width:0}
.session-device{font-size:13px;font-weight:600;color:var(--txt)}
.session-meta{font-size:11px;color:var(--txt4);margin-top:1px;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.session-active-dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--green-500);flex-shrink:0;
  animation:pulse 2s ease-in-out infinite;
}
.session-revoke{
  font-size:12px;font-weight:600;color:var(--red-500);
  padding:5px 10px;border-radius:var(--r-sm);
  border:1px solid rgba(239,68,68,.18);background:rgba(239,68,68,.06);
  transition:all .15s;cursor:pointer;flex-shrink:0;
}
.session-revoke:hover{background:rgba(239,68,68,.12);border-color:rgba(239,68,68,.3)}
.session-current{
  font-size:11px;font-weight:600;color:var(--green-500);
  padding:3px 8px;border-radius:var(--r-full);
  background:rgba(34,197,94,.08);border:1px solid rgba(34,197,94,.18);
  flex-shrink:0;
}

/* ═══════════════════════════════════════
   SYNC STATUS
═══════════════════════════════════════ */
.sync-status{
  display:flex;align-items:center;gap:12px;
  padding:14px 16px;border-radius:var(--r-lg);
  background:rgba(34,197,94,.06);border:1.5px solid rgba(34,197,94,.15);
  margin-bottom:16px;
}
.sync-status.error{background:rgba(239,68,68,.06);border-color:rgba(239,68,68,.15)}
.sync-status.pending{background:rgba(245,158,11,.06);border-color:rgba(245,158,11,.15)}
.sync-dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--green-500);flex-shrink:0;
  animation:pulse 2s ease-in-out infinite;
}
.sync-dot.error{background:var(--red-500);animation:none}
.sync-dot.pending{background:var(--amber-500)}
.sync-text{flex:1;min-width:0}
.sync-title{font-size:13px;font-weight:600;color:var(--txt)}
.sync-sub{font-size:11px;color:var(--txt4);margin-top:1px}
.sync-action{
  font-size:12px;font-weight:600;color:var(--blue-500);
  padding:5px 10px;border-radius:var(--r-sm);
  border:1px solid var(--border-s);background:var(--surface);
  transition:all .15s;cursor:pointer;flex-shrink:0;
  display:inline-flex;align-items:center;gap:5px;
}
.sync-action:hover{background:var(--surface2)}
.sync-action:disabled{opacity:.5;pointer-events:none}

/* ═══════════════════════════════════════
   ABOUT SECTION
═══════════════════════════════════════ */
.about-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 0;border-bottom:1px solid var(--border);
  gap:12px;
}
.about-row:last-child{border-bottom:none;padding-bottom:0}
.about-row:first-child{padding-top:0}
.about-key{font-size:12.5px;font-weight:600;color:var(--txt3);flex-shrink:0}
.about-val{font-size:12.5px;font-weight:600;color:var(--txt);display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.version-badge{
  font-size:10px;font-weight:700;
  background:rgba(34,197,94,.1);color:var(--green-500);
  padding:2px 7px;border-radius:var(--r-full);
}
.about-link{
  font-size:12.5px;font-weight:600;color:var(--blue-500);
  padding:5px 10px;border-radius:var(--r-sm);
  border:1px solid var(--border-s);background:none;
  cursor:pointer;transition:all .15s;
  display:inline-flex;align-items:center;gap:6px;
  flex-shrink:0;
}
.about-link:hover{background:rgba(59,130,246,.06)}

/* ═══════════════════════════════════════
   DANGER ZONE
═══════════════════════════════════════ */
.danger-zone{
  border:1.5px solid rgba(239,68,68,.2);
  border-radius:var(--r-xl);overflow:hidden;
}
.danger-zone-header{
  padding:14px 20px;background:rgba(239,68,68,.04);
  border-bottom:1.5px solid rgba(239,68,68,.12);
  display:flex;align-items:center;gap:10px;
}
.danger-zone-title{font-size:13.5px;font-weight:700;color:var(--red-500)}
.danger-zone-body{padding:20px;display:flex;flex-direction:column;gap:14px}
.danger-row{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;
}
@media(max-width:480px){.danger-row{flex-direction:column;align-items:flex-start}}
.danger-info-title{font-size:13px;font-weight:600;color:var(--txt)}
.danger-info-desc{font-size:11.5px;color:var(--txt4);margin-top:2px}
.danger-sep{height:1px;background:rgba(239,68,68,.08)}

/* ═══════════════════════════════════════
   AVATAR UPLOAD
═══════════════════════════════════════ */
.avatar-section{
  display:flex;align-items:center;gap:16px;
  padding:16px 0;border-bottom:1px solid var(--border);
  margin-bottom:16px;
}
.avatar-large{
  width:64px;height:64px;border-radius:50%;
  background:linear-gradient(135deg,var(--blue-500),var(--blue-700));
  display:flex;align-items:center;justify-content:center;
  font-size:22px;font-weight:700;color:#fff;flex-shrink:0;
  position:relative;cursor:pointer;
  transition:transform .2s;
}
.avatar-large:hover{transform:scale(1.05)}
.avatar-large-overlay{
  position:absolute;inset:0;border-radius:50%;
  background:rgba(0,0,0,.45);display:flex;align-items:center;justify-content:center;
  opacity:0;transition:opacity .18s;
}
.avatar-large:hover .avatar-large-overlay{opacity:1}
.avatar-info h3{font-size:15px;font-weight:700;color:var(--txt);letter-spacing:-.02em}
.avatar-info p{font-size:12px;color:var(--txt4);margin-top:3px}
.avatar-change-btn{
  font-size:12px;font-weight:600;color:var(--blue-500);
  padding:5px 10px;border-radius:var(--r-sm);
  border:1px solid var(--border-s);background:none;
  cursor:pointer;transition:all .15s;margin-top:8px;
  display:inline-flex;align-items:center;gap:5px;
}
.avatar-change-btn:hover{background:rgba(59,130,246,.06)}

/* ═══════════════════════════════════════
   PRIVACY CONTROLS
═══════════════════════════════════════ */
.privacy-option{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:var(--r);
  border:1.5px solid var(--border);cursor:pointer;
  transition:all .18s;position:relative;
}
.privacy-option:hover{border-color:var(--border-s);background:var(--surface2)}
.privacy-option.selected{border-color:var(--blue-500);background:rgba(59,130,246,.05)}
.privacy-option-icon{
  width:32px;height:32px;border-radius:var(--r-sm);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.privacy-radio{
  width:16px;height:16px;border-radius:50%;
  border:2px solid var(--border-m);margin-left:auto;
  flex-shrink:0;display:flex;align-items:center;justify-content:center;
  transition:all .18s;
}
.privacy-option.selected .privacy-radio{
  border-color:var(--blue-500);background:var(--blue-500);
}
.privacy-option.selected .privacy-radio::after{
  content:'';width:6px;height:6px;border-radius:50%;background:#fff;
}

/* ═══════════════════════════════════════
   LOADING SKELETON
═══════════════════════════════════════ */
.skel{
  background:linear-gradient(90deg,var(--bg3) 25%,var(--bg2) 50%,var(--bg3) 75%);
  background-size:200% 100%;
  border-radius:var(--r-sm);
  animation:shimmer 1.6s ease-in-out infinite;
}

/* ═══════════════════════════════════════
   MODAL
═══════════════════════════════════════ */
.modal-overlay{
  position:fixed;inset:0;z-index:900;
  background:rgba(0,0,0,.45);
  display:flex;align-items:center;justify-content:center;padding:20px;
  opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s;
}
.modal-overlay.open{opacity:1;visibility:visible}
.modal{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-2xl);box-shadow:var(--shadow-xl);
  width:100%;max-width:460px;
  transform:scale(.95) translateY(12px);
  transition:transform .28s var(--ease-out);overflow:hidden;
}
.modal-overlay.open .modal{transform:none}
.modal-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 20px;border-bottom:1px solid var(--border);
}
.modal-title{font-family:var(--font-display);font-size:16px;font-weight:700;letter-spacing:-.03em;color:var(--txt)}
.modal-close{
  width:30px;height:30px;border-radius:var(--r-sm);
  background:var(--surface2);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  color:var(--txt3);cursor:pointer;transition:all .15s;
}
.modal-close:hover{background:var(--surface3);color:var(--txt)}
.modal-body{padding:20px;display:flex;flex-direction:column;gap:14px}
.modal-footer{
  display:flex;align-items:center;justify-content:flex-end;gap:8px;
  padding:16px 20px;border-top:1px solid var(--border);
  background:var(--surface2);
}

/* ═══════════════════════════════════════
   TOAST
═══════════════════════════════════════ */
#toast-container{
  position:fixed;bottom:24px;right:24px;
  display:flex;flex-direction:column;gap:8px;
  z-index:9000;pointer-events:none;
  max-width:320px;
}
@media(max-width:480px){#toast-container{right:10px;left:10px;max-width:none}}
.toast{
  display:flex;align-items:center;gap:10px;
  padding:11px 14px;border-radius:var(--r-lg);
  background:var(--surface);border:1px solid var(--border);
  box-shadow:var(--shadow-lg);
  animation:slideUp .3s var(--ease) both;
  pointer-events:all;
}
.toast.hide{animation:slideUp .25s var(--ease) reverse both}
.toast-icon{width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.toast-icon.success{background:rgba(34,197,94,.12);color:var(--green-500)}
.toast-icon.error{background:rgba(239,68,68,.12);color:var(--red-500)}
.toast-icon.info{background:rgba(59,130,246,.12);color:var(--blue-500)}
.toast-icon.warning{background:rgba(245,158,11,.12);color:var(--amber-500)}
.toast-msg{font-size:13px;font-weight:500;color:var(--txt);flex:1;line-height:1.4}

/* ═══════════════════════════════════════
   PAGE LOADER
═══════════════════════════════════════ */
#page-loader{
  position:fixed;inset:0;z-index:9999;
  background:var(--bg);display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:20px;
  transition:opacity .4s,visibility .4s;
}
#page-loader.hide{opacity:0;visibility:hidden}
.page-loader-logo{
  width:48px;height:48px;border-radius:var(--r-lg);
  background:linear-gradient(145deg,#4F93F8,#1D4ED8);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 16px rgba(59,130,246,.4);
  animation:scaleIn .5s var(--ease-spring) both;
}
.page-loader-bar-wrap{
  width:120px;height:3px;
  background:var(--bg3);border-radius:3px;overflow:hidden;
}
.page-loader-bar{
  height:100%;border-radius:3px;width:0%;
  background:linear-gradient(90deg,var(--blue-500),var(--blue-400));
  animation:loaderBar 1.4s var(--ease-out) forwards;
}
@keyframes loaderBar{0%{width:0%}60%{width:72%}88%{width:91%}100%{width:100%}}

/* Firebase integration note */
.firebase-note{
  display:flex;align-items:flex-start;gap:10px;
  padding:12px 14px;border-radius:var(--r-lg);
  background:rgba(59,130,246,.06);border:1px solid rgba(59,130,246,.14);
  margin-bottom:16px;
}
.firebase-note-icon{color:var(--blue-500);flex-shrink:0;margin-top:1px}
.firebase-note-text{font-size:12px;color:var(--txt3);line-height:1.6}
.firebase-note-text strong{color:var(--blue-600);font-weight:600}

/* Data row for backup panel */
.data-row{
  padding:14px;border-radius:var(--r-lg);
  background:var(--surface2);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
}
.data-row.danger{background:rgba(239,68,68,.04);border:1.5px solid rgba(239,68,68,.12)}
.data-row-info-title{font-size:13px;font-weight:600;color:var(--txt)}
.data-row-info-desc{font-size:11.5px;color:var(--txt4);margin-top:2px}

/* Study days */
.day-btn{
  padding:6px 11px;border-radius:var(--r-sm);
  font-size:12px;font-weight:600;cursor:pointer;
  border:1.5px solid var(--border);
  background:var(--surface2);color:var(--txt3);
  transition:all .18s;
}
.day-btn.active{
  background:var(--blue-500);color:#fff;
  border-color:var(--blue-500);
}
.day-btn:hover:not(.active){background:var(--surface3);border-color:var(--border-m)}

/* Accent colors for settings header icon */
@media(max-width:480px){
  .settings-header{padding:16px}
  .settings-header-left h1{font-size:17px}
}

/* ═══════════════════════════════════════
   AVATAR PHOTO (uploaded image overlay)
═══════════════════════════════════════ */
.avatar-large-img{
  position:absolute;inset:0;width:100%;height:100%;
  border-radius:50%;object-fit:cover;
}

/* ═══════════════════════════════════════
   "SAVED" FLASH  (header Save All button)
═══════════════════════════════════════ */
.settings-save-btn.just-saved{
  background:var(--green-500)!important;color:#fff!important;
}

/* ═══════════════════════════════════════
   MOBILE SCROLL / RESPONSIVENESS FIXES
═══════════════════════════════════════ */
html,body{height:100%}
.app-layout{overflow-x:hidden}
.main-area{-webkit-overflow-scrolling:touch}
.settings-panels{min-width:0}
.s-card-body{min-width:0}
.form-grid,.theme-grid{min-width:0}
@media(max-width:1023px){
  body.sidebar-open{overflow:hidden}
}
input,select,textarea{max-width:100%}

/* ═══════════════════════════════════════
   DISPLAY PREFERENCE TOGGLES (scoped to Settings page)
═══════════════════════════════════════ */
body.ax-compact .s-card-body{padding:14px}
body.ax-compact .s-card-header{padding:12px 14px}
body.ax-compact .settings-panels{gap:10px}
body.ax-compact .toggle-row{padding:9px 0}
body.ax-compact .form-grid{gap:10px}

html.ax-reduced-motion *,
html.ax-reduced-motion *::before,
html.ax-reduced-motion *::after{
  animation-duration:.001s!important;
  animation-delay:0s!important;
  transition-duration:.001s!important;
  scroll-behavior:auto!important;
}