/* ── Reset (PWA 독립 앱) ──────────────────────────────── */
*,*::before,*::after{
  box-sizing:border-box;
  -webkit-tap-highlight-color:transparent;
}
a{color:inherit;text-decoration:none;}
ul,ol{list-style:none;margin:0;padding:0;}
img{max-width:100%;display:block;}
button,input,textarea,select{font-family:inherit;margin:0;padding:0;}
button{cursor:pointer;border:none;background:none;}
h1,h2,h3,h4,h5,h6,p{margin:0;}

/* ★ PWA 전체화면 기본 모드 — #sa-app이 flex:1로 공간 차지 */
#sa-app{
  flex:1;
  width:100%;
  display:flex;flex-direction:column;
  overflow:hidden;
  position:relative;
  min-height:0;
  background:#f4f5f7;
  font-family:'Noto Sans KR',-apple-system,BlinkMacSystemFont,sans-serif;
  font-size:14px;
  color:#2d3436;
}
:root{
  --p:#4a6fa5;--p2:#3d5d8a;--p-lt:#e8eef6;--p-glow:rgba(74,111,165,.10);
  --g:#2d9f7f;--g-lt:#e2f5ef;
  --a:#d4882a;--a-lt:#fdf3e3;
  --r:#c0392b;--r-lt:#fbe4e1;
  --bg:#f4f5f7;--bg2:#ffffff;--bg3:#eceef2;--bg4:#dfe2e8;
  --bd:#d5d9e0;--bd2:#c2c7d0;
  --tx:#1e2a38;--tx2:#4a5568;--tx3:#7a8599;
  --nav-h:56px;--hdr-h:50px;
  --safe-t:env(safe-area-inset-top,0px);
  --safe-b:env(safe-area-inset-bottom,0px);
  --safe-l:env(safe-area-inset-left,0px);
  --safe-r:env(safe-area-inset-right,0px);
}

/* ── Splash ───────────────────────────────────────────── */
.sa-splash{position:absolute;inset:0;background:linear-gradient(135deg,#f4f5f7,#e8eef6);display:flex;align-items:center;justify-content:center;z-index:999;}
.sa-splash-inner{text-align:center;}
.sa-splash-icon{font-size:52px;margin-bottom:10px;animation:float 1.2s ease-in-out infinite alternate;}
.sa-splash-title{font-size:20px;font-weight:800;margin-bottom:4px;background:linear-gradient(90deg,var(--p),var(--g));-webkit-background-clip:text;-webkit-text-fill-color:transparent;}
.sa-splash-sub{font-size:12px;color:var(--tx2);margin-bottom:24px;}
.sa-spinner{width:28px;height:28px;border:2.5px solid var(--bd2);border-top-color:var(--p);border-radius:50%;animation:spin .7s linear infinite;margin:0 auto;}
@keyframes spin{to{transform:rotate(360deg);}}
@keyframes float{from{transform:translateY(0);}to{transform:translateY(-8px);}}

/* ── Layout ───────────────────────────────────────────── */
#sa-screens{flex:1;overflow:hidden;position:relative;}
.sa-screen{position:absolute;inset:0;display:flex;flex-direction:column;overflow:hidden;
  transform:translateX(100%);transition:transform .25s cubic-bezier(.4,0,.2,1),opacity .15s ease;opacity:0;pointer-events:none;}
.sa-screen.active{transform:translateX(0);opacity:1;pointer-events:all;}

/* ── Header ───────────────────────────────────────────── */
.sa-hdr{
  min-height:var(--hdr-h);
  padding:8px calc(12px + var(--safe-r)) 8px calc(12px + var(--safe-l));
  background:var(--bg2);
  display:flex;
  align-items:center;
  gap:8px;
  border-bottom:1px solid var(--bd);
  flex-shrink:0;
}
.sa-hdr-title{font-size:15px;font-weight:800;flex:1;color:var(--tx);}
.sa-hdr-back{width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:8px;background:var(--bg3);font-size:15px;cursor:pointer;border:none;color:var(--tx2);flex-shrink:0;}

/* ── Scroll ───────────────────────────────────────────── */
.sa-scroll{
  flex:1;
  overflow-y:auto;
  -webkit-overflow-scrolling:touch;
  overscroll-behavior:contain;
  padding:14px 16px 20px;
}
.sa-scroll.no-nav{padding-bottom:12px;}

/* ── Top Nav (상단 탭) ──────────────────────────────────── */
#sa-nav{
  height:auto;
  min-height:44px;
  padding:var(--safe-t) var(--safe-r) 0 var(--safe-l);
  background:linear-gradient(180deg,#fff,var(--bg3));
  border-bottom:1px solid var(--bd);
  display:flex;
  flex-shrink:0;
  position:relative;
  z-index:100;
  box-shadow:0 2px 8px rgba(0,0,0,.06);
}
.sa-nav-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;cursor:pointer;border:none;background:none;color:var(--tx3);font-size:9px;font-weight:700;transition:color .15s,border-color .15s;padding:6px 0 4px;border-bottom:2px solid transparent;margin-bottom:-1px;}
.sa-nav-item.active{color:var(--p);border-bottom-color:var(--p);}
.sa-nav-icon{font-size:16px;line-height:1;}

/* ── Pull-to-refresh ─────────────────────────────────── */
#sa-ptr{
  height:0;overflow:hidden;display:flex;align-items:center;justify-content:center;
  background:var(--bg);transition:height .2s ease;flex-shrink:0;
}
#sa-ptr.ready .sa-ptr-spinner{border-top-color:var(--p);transform:rotate(180deg);}
#sa-ptr.loading{transition:none;}
#sa-ptr.loading .sa-ptr-spinner{animation:spin .6s linear infinite;border-top-color:var(--p);}
.sa-ptr-spinner{
  width:22px;height:22px;border:2.5px solid var(--bd2);border-top-color:transparent;
  border-radius:50%;transition:transform .2s;
}

/* ════════════════════════════════════════════════
   BUTTONS — 컴팩트, 1줄 보장
   ════════════════════════════════════════════════ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:3px;border:none;cursor:pointer;transition:all .08s;white-space:nowrap;font-weight:700;line-height:1;flex-shrink:0;font-family:inherit;touch-action:manipulation;-webkit-tap-highlight-color:transparent;}
.btn:active{filter:brightness(.8);}
.btn-p{background:var(--p);color:#fff;border-radius:8px;}
.btn-o{background:transparent;color:var(--p);border:1.5px solid var(--p);border-radius:8px;}
.btn-g{background:var(--bg3);color:var(--tx2);border-radius:8px;border:1px solid var(--bd);}
.btn-r{background:var(--r);color:#fff;border-radius:8px;}
.btn-gr{background:var(--g);color:#000;border-radius:8px;}
/* 크기 */
.btn-xs{height:28px;padding:0 12px;font-size:10px;border-radius:6px;}
.btn-sm{height:34px;padding:0 14px;font-size:11px;border-radius:7px;}
.btn-md{height:40px;padding:0 18px;font-size:13px;}
.btn-lg{height:48px;padding:0 20px;font-size:14px;width:100%;border-radius:10px;}
/* 원형 아이콘 */
.btn-ic{width:28px;height:28px;border-radius:50%;padding:0;font-size:14px;}
.btn-ic-sm{width:24px;height:24px;border-radius:50%;padding:0;font-size:12px;}

/* ── Inputs ───────────────────────────────────────────── */
.sa-fg{margin-bottom:14px;}
.sa-fg label{display:block;font-size:10px;font-weight:700;color:var(--tx2);margin-bottom:5px;text-transform:uppercase;letter-spacing:.04em;}
.sa-inp{width:100%;height:44px;background:var(--bg3);border:1.5px solid var(--bd);border-radius:10px;padding:0 14px;font-size:14px;color:var(--tx);outline:none;transition:border-color .15s;font-family:inherit;}
.sa-inp:focus{border-color:var(--p);}
.sa-inp::placeholder{color:var(--tx3);}
.sa-inp[type=date]::-webkit-calendar-picker-indicator{filter:none;}
.sa-ta{height:auto;min-height:60px;padding:10px 14px;resize:none;line-height:1.5;}

/* ── Auth ─────────────────────────────────────────────── */
#screen-auth{background:var(--bg);}
.auth-wrap{flex:1;overflow-y:auto;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;padding:20px 24px 24px;padding-top:max(20px, env(safe-area-inset-top));}
.auth-logo{font-size:36px;margin-bottom:6px;margin-top:16px;}
.auth-brand{font-size:18px;font-weight:800;background:linear-gradient(90deg,var(--p),var(--g));-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:2px;}
.auth-sub{font-size:11px;color:var(--tx2);margin-bottom:16px;}
.auth-box{width:100%;max-width:360px;background:var(--bg2);border-radius:18px;padding:24px 20px;border:1px solid var(--bd);}
.auth-tabs{display:flex;background:var(--bg3);border-radius:8px;padding:3px;margin-bottom:20px;}
.auth-tab{flex:1;height:34px;border-radius:6px;border:none;background:transparent;font-size:12px;font-weight:700;color:var(--tx3);cursor:pointer;transition:all .15s;font-family:inherit;}
.auth-tab.active{background:var(--p);color:#fff;}
.auth-link{text-align:center;margin-top:14px;font-size:11px;color:var(--tx2);}
.auth-link span{color:var(--p);cursor:pointer;font-weight:700;}

/* ── Home Stats ───────────────────────────────────────── */
.home-stats{display:flex;align-items:center;gap:6px;margin-bottom:10px;}
.home-stat{flex:1;background:var(--bg2);border:1px solid var(--bd);border-radius:8px;padding:6px 8px;text-align:center;}
.home-stat-v{font-size:13px;font-weight:800;color:var(--p);}
.home-stat-l{font-size:8.5px;color:var(--tx2);margin-top:1px;font-weight:600;}
/* 새로고침 버튼 공통 */
.sa-refresh-btn{width:28px;height:28px;border-radius:8px;border:none;background:var(--bg3);color:var(--tx);font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform .3s;flex-shrink:0;}
.sa-refresh-btn:active{opacity:.7;}
.sa-refresh-btn.spinning{animation:spin .6s linear;}

/* ── D-day ────────────────────────────────────────────── */
.dday-wrap{display:flex;gap:8px;overflow-x:auto;padding-bottom:2px;margin-bottom:10px;}
.dday-wrap::-webkit-scrollbar{display:none;}
.dday-card{flex-shrink:0;background:var(--bg3);border:1px solid var(--bd);border-radius:10px;padding:10px 14px;min-width:100px;}
.dday-card.primary{background:var(--p-lt);border-color:var(--p);}
.dday-label{font-size:10px;color:var(--tx2);margin-bottom:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:120px;}
.dday-count{font-size:19px;font-weight:800;color:var(--p);}

/* ── Section header ───────────────────────────────────── */
.sec-hdr{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px;margin-top:12px;}
.sec-hdr:first-child{margin-top:0;}
.sec-title{font-size:11px;font-weight:700;color:var(--tx2);text-transform:uppercase;letter-spacing:.05em;}
/* 홈 섹션 카드 래퍼 */
.home-section{background:var(--bg2);border-radius:12px;border:1px solid var(--bd);padding:12px;margin-bottom:10px;}

/* ── Today items ──────────────────────────────────────── */
.today-item{background:var(--bg3);border-radius:10px;padding:10px 14px;margin-bottom:6px;border:1px solid var(--bd);display:flex;align-items:center;gap:10px;}
.today-item-bar{width:3px;height:32px;border-radius:2px;flex-shrink:0;}
.today-item-info{flex:1;min-width:0;}
.today-item-name{font-size:12px;font-weight:700;color:var(--tx);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.today-item-meta{font-size:10px;color:var(--tx2);margin-top:2px;display:flex;gap:8px;flex-wrap:wrap;}
.today-done{background:var(--g-lt);border-color:var(--g);}

/* ══════════════════════════════════════════════════
   COLUMN BROWSER — 과목/학습요소
   ══════════════════════════════════════════════════ */
.col-browser{display:flex;background:var(--bg2);border-radius:10px;overflow:visible;}
.home-section .col-browser{border:none;background:transparent;}
.col-pane{flex:0 0 50%;display:flex;flex-direction:column;}
.col-pane:first-child{border-right:1px solid var(--bd);}
.col-pane-hdr{height:30px;background:var(--bg3);display:flex;align-items:center;justify-content:space-between;padding:0 8px;border-bottom:1px solid var(--bd);flex-shrink:0;}
.col-pane-title{font-size:9.5px;font-weight:700;color:var(--tx2);text-transform:uppercase;letter-spacing:.05em;}
.col-pane-body{}
/* 행 */
.col-row{display:flex;align-items:center;gap:8px;padding:10px 12px;cursor:pointer;border-bottom:1px solid var(--bd);position:relative;transition:background .12s;}
.col-row:last-child{border-bottom:none;}
.col-row.active{background:var(--p-lt);}
.col-row.active::after{content:'';position:absolute;right:0;top:0;bottom:0;width:3px;background:var(--p);}
.col-row-dot{width:7px;height:7px;border-radius:50%;flex-shrink:0;}
.col-row-name{font-size:11.5px;font-weight:600;color:var(--tx);flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.col-row-badge{font-size:9px;padding:1px 4px;border-radius:4px;background:var(--bg4);color:var(--tx3);white-space:nowrap;}
/* 날짜 히트맵 */
.col-date-dots{display:flex;gap:2px;flex-wrap:wrap;padding:4px 8px 5px;}
.date-dot{width:6px;height:6px;border-radius:2px;}
/* 빠진 날 */
.missed-row{padding:2px 8px 5px;display:flex;gap:3px;flex-wrap:wrap;}
.missed-chip{font-size:9px;background:var(--r-lt);color:var(--r);padding:1px 4px;border-radius:4px;}
/* 진도 */
.prog-wrap{padding:3px 8px 7px;}
.prog-bg{height:4px;background:var(--bg4);border-radius:2px;overflow:hidden;}
.prog-fill{height:100%;border-radius:2px;transition:width .4s;}
.prog-label{font-size:9px;color:var(--tx3);margin-top:2px;}
/* 선택된 요소 정보 패널 (컬럼 브라우저 하단) */
.col-detail-panel{background:var(--bg3);border-top:1px solid var(--bd);padding:8px;display:flex;flex-direction:column;gap:4px;}
.col-detail-name{font-size:12px;font-weight:700;color:var(--tx);}
.col-detail-meta{font-size:10px;color:var(--tx2);}

/* ── Active session ───────────────────────────────────── */
.active-sess{background:var(--a-lt);border:1px solid var(--a);border-radius:10px;padding:9px 10px;margin-bottom:8px;display:flex;align-items:center;gap:8px;}
.active-pulse{width:8px;height:8px;border-radius:50%;background:var(--a);flex-shrink:0;animation:pulse 1s ease infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.5;transform:scale(1.4);}}
.active-info{flex:1;min-width:0;}
.active-name{font-size:12px;font-weight:700;color:var(--a);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.active-meta{font-size:10px;color:var(--tx2);}

/* ── Timer ────────────────────────────────────────────── */
.timer-wrap{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px 14px;gap:18px;}
.timer-info{text-align:center;}
.timer-subj{font-size:11px;color:var(--tx2);}
.timer-elem{font-size:17px;font-weight:800;color:var(--tx);}
.timer-ring-wrap{position:relative;width:190px;height:190px;}
.timer-ring-bg{position:absolute;inset:0;}
.timer-txt{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;}
.timer-time{font-size:42px;font-weight:900;color:var(--p);font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.timer-lbl{font-size:10px;color:var(--tx2);}
.timer-bar-bg{height:7px;background:var(--bg3);border-radius:4px;overflow:hidden;width:100%;}
.timer-bar-fill{height:100%;background:linear-gradient(90deg,var(--p),var(--g));border-radius:4px;transition:width .5s linear;}
.timer-btns{display:flex;gap:8px;width:100%;}

/* ── Stats ────────────────────────────────────────────── */
.stat-tabs{display:flex;background:var(--bg3);border-radius:8px;padding:3px;margin-bottom:12px;}
.stat-tab{flex:1;height:28px;border:none;border-radius:6px;background:transparent;font-size:10px;font-weight:700;color:var(--tx3);cursor:pointer;transition:all .15s;font-family:inherit;white-space:nowrap;padding:0 2px;}
.stat-tab.active{background:var(--p);color:#fff;}
.month-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:4px;margin-bottom:10px;}
.month-chip{height:30px;border-radius:6px;border:1.5px solid var(--bd);background:var(--bg3);font-size:11px;font-weight:700;color:var(--tx2);cursor:pointer;transition:all .15s;font-family:inherit;}
.month-chip.sel{background:var(--p);border-color:var(--p);color:#fff;}
.date-inp-row{display:flex;gap:6px;align-items:center;margin-bottom:10px;}
.date-inp-row .sa-inp{flex:1;font-size:11px;}
.stat-summary{display:flex;gap:6px;margin-bottom:10px;}
.stat-sum-c{flex:1;background:var(--bg2);border:1px solid var(--bd);border-radius:10px;padding:9px;text-align:center;}
.stat-sum-v{font-size:18px;font-weight:800;color:var(--p);}
.stat-sum-l{font-size:9.5px;color:var(--tx2);margin-top:1px;}
/* 통계 컬럼 브라우저 */
.stat-col{display:flex;background:var(--bg2);border-radius:12px;border:1px solid var(--bd2);overflow:visible;margin-bottom:10px;}
.stat-left{flex:0 0 44%;border-right:1px solid var(--bd);display:flex;flex-direction:column;}
.stat-right{flex:1;display:flex;flex-direction:column;}
.stat-pane-hdr{height:28px;background:var(--bg3);display:flex;align-items:center;padding:0 8px;border-bottom:1px solid var(--bd);flex-shrink:0;}
.stat-pane-hdr span{font-size:9.5px;font-weight:700;color:var(--tx2);text-transform:uppercase;letter-spacing:.04em;}
.stat-pane-body{}
.stat-subj-row{padding:10px 12px;cursor:pointer;border-bottom:1px solid var(--bd);display:flex;align-items:center;gap:8px;transition:background .12s;}
.stat-subj-row.active{background:var(--p-lt);border-right:2px solid var(--p);}
.stat-elem-row{padding:10px 12px;border-bottom:1px solid var(--bd);display:flex;flex-direction:column;gap:4px;}
.stat-elem-row:last-child{border-bottom:none;}
.stat-bar-row{display:flex;align-items:center;gap:5px;}
.stat-bar-bg{flex:1;height:5px;background:var(--bg4);border-radius:3px;overflow:hidden;}
.stat-bar-fill{height:100%;border-radius:3px;transition:width .4s ease;}
.stat-bar-time{font-size:9.5px;color:var(--tx2);white-space:nowrap;min-width:32px;text-align:right;}
.stat-elem-name{font-size:11px;font-weight:600;color:var(--tx);}
.stat-elem-total{font-size:9.5px;color:var(--tx3);}
/* 날짜 일지 */
.log-date-hdr{font-size:10px;font-weight:700;color:var(--tx2);margin:10px 0 4px;}
.log-item{background:var(--bg2);border-radius:8px;padding:7px 9px;margin-bottom:3px;border-left:3px solid;}
.log-name{font-size:12px;font-weight:600;color:var(--tx);}
.log-meta{font-size:10px;color:var(--tx2);margin-top:2px;}

/* ── Badges ───────────────────────────────────────────── */
.badge-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;}
.badge-item{background:var(--bg2);border-radius:10px;padding:10px 6px;text-align:center;border:1px solid var(--bd);}
.badge-item.locked{opacity:.25;filter:grayscale(1);}
.badge-item.earned{border-color:var(--p);}
.badge-icon{font-size:26px;margin-bottom:3px;}
.badge-name{font-size:10px;font-weight:700;color:var(--tx);}
.badge-earned{font-size:9px;color:var(--g);margin-top:2px;}

/* ── Groups ───────────────────────────────────────────── */
.group-card{background:var(--bg2);border-radius:10px;padding:11px;margin-bottom:7px;border:1px solid var(--bd);cursor:pointer;}
.group-name{font-size:13px;font-weight:700;color:var(--tx);}
.group-meta{font-size:10px;color:var(--tx2);margin-top:3px;}
.grp-leader-badge{background:var(--p);color:#fff;font-size:9px;font-weight:700;padding:1px 4px;border-radius:4px;margin-left:5px;}
.grp-tag{background:var(--g);color:#fff;font-size:8px;font-weight:700;padding:1px 4px;border-radius:3px;margin-left:4px;vertical-align:middle;letter-spacing:.3px;}
.member-row{display:flex;align-items:center;gap:7px;padding:6px 0;border-bottom:1px solid var(--bd);}
.member-row:last-child{border-bottom:none;}
.member-av{width:30px;height:30px;border-radius:50%;background:var(--p-lt);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;color:var(--p);flex-shrink:0;}
.member-info{flex:1;min-width:0;}
.member-name{font-size:12px;font-weight:600;color:var(--tx);}
.member-meta{font-size:10px;color:var(--tx2);}

/* ══════════════════════════════════════════════════
   SETTINGS Column Browser
   ══════════════════════════════════════════════════ */
.sett-col{display:flex;background:var(--bg2);border-radius:12px;border:1px solid var(--bd);overflow:visible;min-height:0;}
.sett-left{flex:0 0 44%;border-right:1px solid var(--bd);display:flex;flex-direction:column;}
.sett-right{flex:1;display:flex;flex-direction:column;}
.sett-pane-hdr{height:32px;background:var(--bg3);display:flex;align-items:center;justify-content:space-between;padding:0 8px;border-bottom:1px solid var(--bd);flex-shrink:0;}
.sett-pane-hdr-title{font-size:9.5px;font-weight:700;color:var(--tx2);text-transform:uppercase;letter-spacing:.04em;}
.sett-pane-body{}
.sett-subj-row{padding:9px 8px;cursor:pointer;border-bottom:1px solid var(--bd);display:flex;align-items:center;gap:6px;transition:background .12s;}
.sett-subj-row:last-child{border-bottom:none;}
.sett-subj-row.active{background:var(--p-lt);border-right:2px solid var(--p);}
.sett-subj-row-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0;}
.sett-subj-row-name{font-size:12px;font-weight:600;color:var(--tx);flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.sett-elem-row{padding:7px 8px;cursor:pointer;border-bottom:1px solid var(--bd);display:flex;align-items:center;gap:5px;transition:background .12s;}
.sett-elem-row:last-child{border-bottom:none;}
.sett-elem-row:active{background:var(--bg3);}
.sett-empty{padding:20px 8px;text-align:center;font-size:11px;color:var(--tx3);}
/* 편집 패널 */
.edit-panel{padding:10px;overflow-y:auto;display:flex;flex-direction:column;gap:8px;}
.edit-panel-title{font-size:11px;font-weight:700;color:var(--tx2);padding-bottom:6px;border-bottom:1px solid var(--bd);}
.edit-panel-name{font-size:13px;font-weight:700;color:var(--tx);}
.edit-hist-item{padding:5px 0;border-bottom:1px solid var(--bd);font-size:10px;color:var(--tx2);}
.edit-hist-item:last-child{border-bottom:none;}
.edit-hist-note{font-size:11px;font-weight:600;color:var(--tx);}

/* ── Settings general ─────────────────────────────────── */
#screen-settings .sa-scroll{display:flex;flex-direction:column;}
.sett-section-title{font-size:10px;font-weight:700;color:var(--tx3);text-transform:uppercase;letter-spacing:.05em;margin:12px 0 5px;}
.sett-row{background:var(--bg2);border-radius:10px;padding:14px 16px;margin-bottom:4px;display:flex;align-items:center;cursor:pointer;transition:background .12s;border:1px solid var(--bd);}
.sett-row:active{background:var(--bg3);}
.sett-row-icon{font-size:17px;margin-right:9px;}
.sett-row-label{flex:1;font-size:13px;color:var(--tx);}
.sett-row-arrow{font-size:11px;color:var(--tx3);}

/* ── Modal ────────────────────────────────────────────── */
.sa-ov{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:1000;display:flex;align-items:flex-end;justify-content:center;opacity:0;pointer-events:none;transition:opacity .15s;}
.sa-ov.show{opacity:1;pointer-events:all;}
.sa-modal{
  background:var(--bg2);
  border-radius:18px 18px 0 0;
  padding:20px calc(20px + var(--safe-r)) calc(var(--safe-b) + 20px) calc(20px + var(--safe-l));
  width:100%;
  max-width:480px;
  transform:translateY(100%);
  transition:transform .18s cubic-bezier(.4,0,.2,1);
  border-top:1px solid var(--bd);
  max-height:88dvh;
  max-height:88vh;
  overflow-y:auto;
  -webkit-overflow-scrolling:touch;
  box-shadow:0 -4px 24px rgba(0,0,0,.12);
}
.sa-ov.show .sa-modal{transform:translateY(0);}
.modal-topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;padding:0 2px;}
.modal-btn-back,.modal-btn-close{width:32px;height:32px;border-radius:50%;border:none;background:var(--bg3);color:var(--tx2);font-size:20px;font-weight:300;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .08s;touch-action:manipulation;-webkit-tap-highlight-color:transparent;}
.modal-btn-back:active,.modal-btn-close:active{background:var(--bg4);}
.modal-handle{width:30px;height:3px;background:var(--bd2);border-radius:2px;}
.modal-title{font-size:15px;font-weight:800;color:var(--tx);margin-bottom:12px;}
.modal-title-sm{font-size:12px;font-weight:700;color:var(--tx2);margin-bottom:6px;text-transform:uppercase;letter-spacing:.04em;}

/* ── Badge reward popup ───────────────────────────────── */
.reward-ov{position:fixed;inset:0;z-index:9998;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.5);opacity:0;pointer-events:none;transition:opacity .22s;}
.reward-ov.show{opacity:1;pointer-events:all;}
.reward-box{background:var(--bg2);border:1px solid var(--p);border-radius:18px;padding:24px 18px;text-align:center;max-width:250px;transform:scale(.85);transition:transform .28s cubic-bezier(.34,1.56,.64,1);}
.reward-ov.show .reward-box{transform:scale(1);}
.reward-icon{font-size:52px;margin-bottom:6px;}
.reward-title{font-size:12px;color:var(--tx2);margin-bottom:3px;}
.reward-name{font-size:17px;font-weight:800;color:var(--p);margin-bottom:3px;}
.reward-desc{font-size:11px;color:var(--tx2);margin-bottom:14px;}

/* ── Toast ────────────────────────────────────────────── */
#sa-toast{position:fixed;bottom:calc(var(--safe-b) + 20px);left:50%;transform:translateX(-50%) translateY(10px);background:var(--bg2);color:var(--tx);border:1px solid var(--bd);padding:7px 14px;border-radius:18px;font-size:11.5px;font-weight:600;opacity:0;transition:all .2s;pointer-events:none;white-space:nowrap;z-index:9999;max-width:85vw;text-align:center;box-shadow:0 2px 12px rgba(0,0,0,.1);}
#sa-toast.show{opacity:1;transform:translateX(-50%) translateY(0);}

/* ── Misc ─────────────────────────────────────────────── */
.empty{text-align:center;padding:24px 12px;color:var(--tx3);}
.empty-icon{font-size:32px;margin-bottom:6px;}
.empty-text{font-size:12px;}
.chip{display:inline-flex;align-items:center;gap:2px;padding:2px 6px;border-radius:4px;font-size:9.5px;font-weight:700;}
.chip-p{background:var(--p-lt);color:var(--p);}
.chip-g{background:var(--g-lt);color:var(--g);}
.chip-a{background:var(--a-lt);color:var(--a);}
.chip-r{background:var(--r-lt);color:var(--r);}
.divider{height:1px;background:var(--bd);margin:8px 0;}
/* 기록 항목 클릭 행 */
.hist-item-row{display:flex;align-items:center;gap:8px;padding:10px 6px;border-bottom:1px solid var(--bd);transition:background .12s;}
.hist-item-row:last-child{border-bottom:none;}
.hist-item-row:active{background:var(--bg3);}
.color-swatches{display:flex;gap:5px;flex-wrap:wrap;margin-top:5px;}
.color-swatch{width:26px;height:26px;border-radius:50%;cursor:pointer;border:2px solid transparent;transition:all .15s;}
.color-swatch.sel{border-color:#fff;transform:scale(1.2);}

/* ── 광고 배너 (일반회원 브라우저) ───────────────────────── */
#sa-ad-banner{
  flex-shrink:0;
  z-index:200;
  background:var(--bg);
  text-align:center;
  line-height:0;
  border-top:1px solid var(--bd);
}
/* PWA 차단 화면 */
#screen-pwa-blocked{background:var(--bg);}

/* ── PC 호버 효과 ────────────────────────────────────────── */
@media (min-width: 600px) {
  .sett-row:hover{background:var(--bg3);}
  .col-row:hover{background:rgba(124,111,247,.05);}
  .stat-subj-row:hover{background:rgba(124,111,247,.05);}
  .hist-item-row:hover{background:var(--bg3);}
}

/* ── 삭제된 항목 복구 (컬럼 브라우저) ────────────────────── */
.trash-browser{display:flex;gap:1px;background:var(--bd);border-radius:10px;overflow:hidden;min-height:260px;max-height:50vh;}
.trash-col{flex:1;background:var(--bg);overflow-y:auto;padding:6px 0;}
.trash-col:first-child{border-right:1px solid var(--bd);}
.trash-section-title{font-size:9px;font-weight:800;color:var(--tx3);text-transform:uppercase;padding:8px 12px 4px;letter-spacing:.5px;}
.trash-row{display:flex;align-items:center;gap:8px;padding:10px 12px;cursor:pointer;transition:background .15s;}
.trash-row:active,.trash-row.active{background:var(--p-lt);}
.trash-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0;}
.trash-dot-lg{width:28px;height:28px;border-radius:8px;flex-shrink:0;}
.trash-name{flex:1;font-size:12px;font-weight:600;color:var(--tx);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.trash-sub{font-size:9px;color:var(--tx3);flex-shrink:0;}
.trash-badge{font-size:9px;background:var(--bg3);color:var(--tx2);padding:2px 6px;border-radius:8px;flex-shrink:0;}
.trash-arrow{color:var(--tx3);font-size:12px;flex-shrink:0;}
.trash-col2-empty{display:flex;align-items:center;justify-content:center;height:100%;font-size:12px;color:var(--tx3);}
.trash-detail-hdr{display:flex;align-items:center;gap:10px;padding:12px;}
.trash-detail-name{font-size:14px;font-weight:700;color:var(--tx);}
.trash-detail-sub{font-size:10px;color:var(--tx2);margin-top:2px;}
.trash-actions{display:flex;gap:8px;padding:0 12px 8px;}
.btn-sm{padding:7px 14px;border-radius:8px;font-size:11px;font-weight:700;border:none;cursor:pointer;}
.btn-g{background:var(--g-lt);color:var(--g);}
.btn-r{background:var(--r-lt);color:var(--r);}
.trash-child-row{display:flex;align-items:center;gap:8px;padding:8px 12px;}
.trash-child-actions{display:flex;gap:4px;margin-left:auto;flex-shrink:0;}
.btn-mini{width:28px;height:28px;border-radius:6px;border:none;cursor:pointer;font-size:11px;display:flex;align-items:center;justify-content:center;}
@media (max-width:400px){
  .trash-browser{flex-direction:column;max-height:60vh;}
  .trash-col:first-child{border-right:none;border-bottom:1px solid var(--bd);max-height:40%;}
}