:root{
  --green-50:#f3faf5;
  --green-100:#e3f3e8;
  --green-200:#c3e6cf;
  --green-300:#9fd3b4;
  --green-400:#6fbf8f;
  --green-500:#4ca873;
  --green-600:#3a8c5e;
  --green-700:#2f714c;
  --ink:#2b3a30;
  --ink-soft:#5a6b5e;
  --bg:#f6fbf7;
  --card:#ffffff;
  --line:#e2efe6;
  --shadow:0 2px 12px rgba(58,140,94,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:-apple-system,"PingFang SC","Microsoft YaHei",Helvetica,Arial,sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
#app{display:flex;height:100vh;overflow:hidden}

/* 侧边栏 */
#sidebar{
  width:230px;background:var(--green-50);border-right:1px solid var(--line);
  display:flex;flex-direction:column;transition:width .25s ease;flex-shrink:0;
}
#sidebar.collapsed{width:64px}
.sidebar-header{
  display:flex;align-items:center;gap:8px;padding:18px 16px;
  border-bottom:1px solid var(--line);position:relative;
}
.sidebar-header .logo{font-size:22px}
.sidebar-header .title{font-weight:700;font-size:17px;color:var(--green-700);white-space:nowrap}
#sidebar.collapsed .title,#sidebar.collapsed .label,#sidebar.collapsed .remind-status{display:none}
.collapse-btn{
  margin-left:auto;background:none;border:none;font-size:20px;color:var(--green-600);
  cursor:pointer;transition:transform .25s;
}
#sidebar.collapsed .collapse-btn{transform:rotate(180deg);margin-left:0}
.nav{flex:1;padding:10px 8px;overflow-y:auto}
.nav-item{
  display:flex;align-items:center;gap:12px;padding:11px 14px;margin:4px 0;border-radius:10px;
  color:var(--ink-soft);text-decoration:none;cursor:pointer;font-size:15px;transition:.15s;
  white-space:nowrap;
}
.nav-item:hover{background:var(--green-100);color:var(--green-700)}
.nav-item.active{background:var(--green-200);color:var(--green-700);font-weight:600}
.nav-item .ico{font-size:18px;flex-shrink:0}
#sidebar.collapsed .nav-item{justify-content:center;padding:11px 0}
.sidebar-footer{padding:12px 14px;border-top:1px solid var(--line)}
.remind-status{font-size:12px;color:var(--green-600);margin-bottom:8px}
.setting-btn{
  width:100%;background:var(--green-100);border:none;color:var(--green-700);
  padding:9px;border-radius:8px;cursor:pointer;font-size:13px;
}
.setting-btn:hover{background:var(--green-200)}

/* 主区 */
#main{flex:1;display:flex;flex-direction:column;overflow:hidden}
.topbar{
  display:flex;align-items:center;gap:14px;padding:16px 24px;background:var(--card);
  border-bottom:1px solid var(--line);
}
.topbar h1{font-size:20px;color:var(--green-700)}
.show-nav{display:none;background:none;border:none;font-size:22px;cursor:pointer;color:var(--green-600)}
.top-right{margin-left:auto}
.today{color:var(--ink-soft);font-size:14px}
#content{flex:1;overflow-y:auto;padding:24px;padding-bottom:90px}

/* 卡片通用 */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  padding:18px;box-shadow:var(--shadow);margin-bottom:16px;
}
.card h2{font-size:17px;color:var(--green-700);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.card h3{font-size:15px;color:var(--ink);margin:14px 0 8px}
.card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.card-head h2{margin:0}
.grid{display:grid;gap:14px}
.grid-2{grid-template-columns:1fr 1fr}
.grid-3{grid-template-columns:repeat(3,1fr)}

/* 按钮 */
button{cursor:pointer;font-family:inherit}
.btn-primary{background:var(--green-500);color:#fff;border:none;padding:11px 18px;border-radius:10px;font-size:15px}
.btn-primary:hover{background:var(--green-600)}
.btn-ghost{background:var(--green-100);color:var(--green-700);border:none;padding:9px 14px;border-radius:9px;font-size:13px}
.btn-ghost:hover{background:var(--green-200)}
.btn-line{background:#fff;border:1px solid var(--green-300);color:var(--green-700);padding:8px 14px;border-radius:8px;font-size:13px}
.btn-line:hover{background:var(--green-50)}

/* 打卡 / 复选 */
.check-row{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px dashed var(--line)}
.check-row:last-child{border-bottom:none}
.check-row .txt{flex:1}
.done{text-decoration:line-through;color:var(--ink-soft)}
.checkbox{
  width:22px;height:22px;border-radius:6px;border:2px solid var(--green-400);
  display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;color:#fff;font-size:14px;
}
.checkbox.on{background:var(--green-500);border-color:var(--green-500)}

/* 标签 */
.tag{font-size:11px;padding:3px 10px;border-radius:20px;background:var(--green-100);color:var(--green-700)}
.tag.due{background:#ffe7c2;color:#b9770c}

/* 输入 */
input[type=text],input[type=password],input[type=number],textarea,select{
  width:100%;padding:11px 12px;border:1px solid var(--green-200);border-radius:10px;
  font-family:inherit;font-size:15px;background:#fff;color:var(--ink);
  margin-bottom:10px;
}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--green-400)}
textarea{resize:vertical;min-height:70px}
.field-label{display:block;font-size:13px;color:var(--ink-soft);margin:8px 0 4px}

/* 弹窗 */
.modal-mask{position:fixed;inset:0;background:rgba(43,58,48,.4);display:none;align-items:center;justify-content:center;z-index:50}
.modal-mask.show{display:flex}
.modal{background:#fff;border-radius:16px;width:440px;max-width:92vw;max-height:88vh;overflow:auto;box-shadow:var(--shadow)}
.modal-head{display:flex;justify-content:space-between;align-items:center;padding:18px 22px;border-bottom:1px solid var(--line)}
.modal-head h3{color:var(--green-700)}
.modal-head .close{background:none;border:none;font-size:18px;cursor:pointer;color:var(--ink-soft)}
.modal-body{padding:20px 22px}
.modal-body label{display:block;font-size:13px;color:var(--ink-soft);margin:12px 0 5px}
.modal-body .chk{display:flex;align-items:center;gap:8px;margin:10px 0;font-size:14px;color:var(--ink)}
.modal-body .chk input{width:auto}
.modal-body .hint{font-size:12px;color:var(--ink-soft);background:var(--green-50);padding:10px;border-radius:8px}
.modal-body hr{border:none;border-top:1px dashed var(--line);margin:16px 0}
.modal-actions{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}

/* 指令栏 */
.command-bar{position:fixed;bottom:0;left:230px;right:0;display:flex;gap:10px;padding:14px 24px;background:var(--card);border-top:1px solid var(--line);z-index:30;transition:left .25s}
.command-bar input{flex:1;margin:0}
.command-bar button{background:var(--green-600);color:#fff;border:none;padding:0 22px;border-radius:9px;font-size:14px}
#sidebar.collapsed ~ #main .command-bar{left:64px}
.command-bar button:hover{background:var(--green-700)}

/* toast */
.toast{
  position:fixed;bottom:90px;left:50%;transform:translateX(-50%) translateY(20px);
  background:var(--green-700);color:#fff;padding:11px 22px;border-radius:24px;font-size:14px;
  opacity:0;pointer-events:none;transition:.3s;z-index:60;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* 标题小图标（替代 emoji） */
.i-flower,.i-check,.i-book,.i-calendar,.i-mic,.i-dumbbell,.i-camera,.i-meal,.i-water,.i-moon,.i-hanger,.i-bulb,.i-note,.i-chart,.i-video,.i-chip,.i-tool,.i-fire,.i-salad{
  display:inline-block;width:18px;height:18px;vertical-align:-3px;margin-right:4px;
  background:var(--green-500);border-radius:4px;position:relative;
}
.i-check{background:transparent;border:2px solid var(--green-500)}
.i-check::after{content:'';position:absolute;left:4px;top:1px;width:5px;height:9px;border:solid var(--green-500);border-width:0 2px 2px 0;transform:rotate(45deg)}
.i-dumbbell{border-radius:6px;width:20px;background:linear-gradient(90deg,var(--green-500) 30%,var(--green-200) 30%,var(--green-200) 70%,var(--green-500) 70%)}
.i-camera{background:var(--green-500);clip-path:polygon(10% 30%,35% 30%,40% 18%,60% 18%,65% 30%,90% 30%,90% 82%,10% 82%)}
.i-water{background:var(--green-500);clip-path:polygon(50% 0%,100% 55%,75% 100%,25% 100%,0% 55%)}
.i-fire{background:#ff9f7a;clip-path:polygon(50% 0%,60% 35%,100% 40%,70% 65%,85% 100%,50% 80%,15% 100%,30% 65%,0% 40%,40% 35%)}
.i-salad{background:var(--green-400);border-radius:50% 50% 45% 45%;border:2px dashed #fff}
.i-moon{background:transparent;border:2px solid var(--green-500);border-radius:50%;clip-path:inset(0 0 0 40%)}
.i-chip{background:transparent;border:2px solid var(--green-500)}
.i-chip::after{content:'';position:absolute;inset:4px;border:1px solid var(--green-500)}

/* 提醒横幅 */
.remind-banner{
  background:linear-gradient(90deg,var(--green-200),var(--green-100));
  border:1px solid var(--green-300);border-radius:12px;padding:14px 18px;margin-bottom:16px;
  display:flex;align-items:center;gap:12px;
}
.remind-banner .ico{font-size:24px}
.remind-banner .txt{flex:1}
.remind-banner .txt b{color:var(--green-700)}

/* 首页 Dashboard */
.home-top{
  background:linear-gradient(135deg,var(--green-100),var(--green-200));
  border:1px solid var(--green-300);border-radius:20px;padding:22px 18px;
  display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;
}
.home-greet{flex:1}
.home-time{font-size:42px;font-weight:700;color:var(--green-700);line-height:1.1}
.home-date{font-size:14px;color:var(--ink-soft);margin-top:4px}
.home-tag{
  display:inline-block;margin-top:10px;background:rgba(255,255,255,.65);color:var(--green-700);
  padding:6px 14px;border-radius:20px;font-size:13px;
}
.home-progress{position:relative;width:92px;height:92px;flex-shrink:0}
.home-progress svg{transform:rotate(-90deg);width:100%;height:100%}
.home-progress circle{fill:none;stroke-width:10}
.home-progress circle.bg{stroke:var(--green-50)}
.home-progress circle.bar{stroke:var(--green-500);stroke-linecap:round;transition:stroke-dasharray .6s}
.home-progress .pct{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;color:var(--green-700)}
.home-progress .pct small{font-size:12px;font-weight:500}

.home-checkin .checkin-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.checkin-item{
  background:var(--green-50);border:1px solid var(--green-200);border-radius:14px;
  padding:12px 8px;text-align:center;cursor:pointer;transition:.15s;position:relative;
}
.checkin-item:hover{background:var(--green-100)}
.checkin-item.done{background:var(--green-200);border-color:var(--green-400)}
.checkin-item .i{display:block;margin:0 auto 6px;width:26px;height:26px;background:var(--green-500);border-radius:6px}
.checkin-item .txt{font-size:13px;color:var(--ink)}
.checkin-item.done .txt{color:var(--green-700);font-weight:600}
.checkin-item .chk{
  position:absolute;top:6px;right:6px;width:14px;height:14px;border-radius:50%;
  border:2px solid var(--green-300);
}
.checkin-item.done .chk{background:var(--green-500);border-color:var(--green-500)}
.checkin-item.done .chk::after{content:'';position:absolute;left:3px;top:1px;width:4px;height:7px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}

.quote-card{background:linear-gradient(135deg,var(--green-50),#fff);border:1px solid var(--green-200)}
.quote-cn{font-size:20px;font-weight:700;color:var(--green-700);margin-bottom:6px}
.quote-en{font-size:14px;color:var(--ink-soft);font-style:italic}

.overview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.overview-item{
  background:var(--green-50);border:1px solid var(--green-200);border-radius:14px;
  padding:14px 8px;text-align:center;cursor:pointer;transition:.15s;
}
.overview-item:hover{background:var(--green-100)}
.overview-item .i{display:block;margin:0 auto 8px;width:28px;height:28px;background:var(--green-500);border-radius:8px}
.overview-item .t{font-size:14px;color:var(--ink);font-weight:600}
.overview-item .st{font-size:12px;color:var(--ink-soft);margin-top:2px}

/* 饮食健康 */
.diet-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.diet-title{font-size:24px;font-weight:700;color:var(--green-700)}
.diet-sub{font-size:13px;color:var(--ink-soft)}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px}
.stat-card{
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  padding:18px 8px;text-align:center;box-shadow:var(--shadow);
}
.stat-card .i{display:block;margin:0 auto 8px;width:30px;height:30px;background:var(--green-500);border-radius:8px}
.stat-card .num{font-size:32px;font-weight:700;color:var(--green-700)}
.stat-card .lab{font-size:13px;color:var(--ink-soft)}

.water-track .cups-row{display:flex;justify-content:space-between;gap:6px;margin:14px 0 10px}
.cup{
  flex:1;height:56px;border:2px solid var(--green-200);border-radius:6px 6px 14px 14px;
  background:#fff;cursor:pointer;transition:.15s;position:relative;
}
.cup::after{
  content:'';position:absolute;left:4px;right:4px;bottom:4px;top:auto;height:0;
  background:var(--green-300);border-radius:2px 2px 10px 10px;transition:.2s;
}
.cup.full{border-color:var(--green-500)}
.cup.full::after{height:calc(100% - 8px);background:var(--green-500)}
.water-count{font-size:20px;font-weight:700;color:var(--green-700)}
.water-track .hint{font-size:13px;color:var(--ink-soft);margin-top:4px}

.meal-row{display:flex;align-items:center;gap:8px;padding:9px 0;border-bottom:1px dashed var(--line)}
.meal-row:last-child{border-bottom:none}
.meal-row .txt{flex:1;font-size:14px}
.meal-row .del{color:#c0625f;background:none;border:none;font-size:16px;cursor:pointer}

/* 饮食/热量 */
.cal-bar{display:flex;align-items:center;gap:10px}
.food-item{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px dashed var(--line)}
.food-item:last-child{border-bottom:none}
.pill{display:inline-block;padding:3px 10px;border-radius:20px;background:var(--green-100);color:var(--green-700);font-size:12px;margin:3px}
.stat-num{font-size:30px;font-weight:700;color:var(--green-700)}

/* 灵感清单 */
.idea{display:flex;align-items:center;gap:10px;background:var(--green-50);padding:10px 12px;border-radius:10px;margin-bottom:8px}
.idea .t{flex:1}
.idea .del{background:none;border:none;color:#c0625f;cursor:pointer;font-size:16px}

/* AI 资讯/热点 */
.news{display:block;padding:12px 14px;border:1px solid var(--line);border-radius:10px;margin-bottom:8px;text-decoration:none;color:inherit}
.news:hover{background:var(--green-50);border-color:var(--green-300)}
.news .nt{font-weight:600;color:var(--green-700)}
.news .nd{font-size:13px;color:var(--ink-soft);margin-top:3px}
.news .ns{font-size:11px;color:#9bb0a2;margin-top:4px}

/* 复盘区占位 */
.placeholder{background:repeating-linear-gradient(45deg,var(--green-50),var(--green-50) 10px,#fff 10px,#fff 20px);border:1px dashed var(--green-300);border-radius:10px;padding:18px;text-align:center;color:var(--ink-soft);font-size:14px}

/* 口语陪练 */
.chat{background:var(--green-50);border-radius:12px;padding:14px;max-height:320px;overflow-y:auto;margin-bottom:12px}
.bubble{margin-bottom:10px;padding:9px 13px;border-radius:12px;max-width:85%;font-size:14px}
.bubble.bot{background:#fff;border:1px solid var(--line);align-self:flex-start}
.bubble.me{background:var(--green-500);color:#fff;margin-left:auto}
.bubble .fix{display:block;font-size:12px;color:#b9770c;margin-top:4px}

/* 响应式 */
@media(max-width:720px){
  #sidebar{position:fixed;z-index:40;height:100%;box-shadow:var(--shadow);
    transform:translateX(-100%);transition:transform .25s ease;width:230px}
  #sidebar.open{transform:translateX(0)}
  .show-nav{display:block}
  #main{width:100%}
  .command-bar{left:0 !important}
  #content{padding:16px;padding-bottom:90px}
  .nav-mask{position:fixed;inset:0;background:rgba(43,58,48,.35);z-index:35;display:none}
  #sidebar.open ~ #main .nav-mask{display:block}
  .home-checkin .checkin-grid,.overview-grid{grid-template-columns:repeat(3,1fr)}
}
@media(min-width:721px){
  .nav-mask{display:none !important}
}
@media(max-width:420px){
  .home-time{font-size:34px}
  .home-checkin .checkin-grid,.overview-grid{grid-template-columns:repeat(2,1fr)}
  .stat-grid{grid-template-columns:1fr 1fr}
}

/* ===== 绿色可爱风增强 ===== */
:root{
  --green-50:#eef9f1; --green-100:#d8f0e0; --green-200:#b6e3c8;
  --green-300:#8ed3ac; --green-400:#5fc28c; --green-500:#43b377;
  --green-600:#2f9d63; --green-700:#237a4c;
}
body{background:linear-gradient(160deg,#f2fbf5 0%,#e8f7ee 100%);}
.card{border-radius:20px;border:1px solid var(--green-200);
  box-shadow:0 6px 18px rgba(67,179,119,.10);background:#fff;}
.btn-primary{background:linear-gradient(135deg,var(--green-400),var(--green-600));
  box-shadow:0 4px 12px rgba(67,179,119,.3);border-radius:14px;font-weight:600}
.btn-primary:hover{filter:brightness(1.05)}
.btn-line{border-radius:12px}
.tag{background:var(--green-100);color:var(--green-700);border-radius:14px;font-weight:600}

/* 首页美图 */
.hero-card{padding:0;overflow:hidden;border-radius:22px}
.hero-pic{position:relative;min-height:200px;background:linear-gradient(135deg,var(--green-200),var(--green-400));display:flex;align-items:center;justify-content:center;background-size:cover;background-position:center}
.hero-pic img{width:100%;height:auto;display:block;max-height:360px;object-fit:cover}
.hero-cap{position:absolute;left:12px;bottom:12px;background:rgba(255,255,255,.7);
  color:var(--green-700);padding:4px 12px;border-radius:14px;font-size:13px;font-weight:600;backdrop-filter:blur(4px)}
.hero-upload{position:absolute;right:12px;bottom:12px;background:rgba(255,255,255,.75);color:var(--green-700);
  padding:4px 12px;border-radius:14px;font-size:13px;cursor:pointer;backdrop-filter:blur(4px)}

/* 打卡/概览 emoji 图标 */
.checkin-item .emoji,.overview-item .emoji{display:block;margin:0 auto 6px;font-size:26px;line-height:1}
.checkin-item{border-radius:18px;background:linear-gradient(160deg,#fff,#f3fbf6)}
.checkin-item.done{background:linear-gradient(160deg,#dff5e8,#c7ecd6)}
.checkin-item .chk{border-radius:50%}
.overview-item{border-radius:18px;background:linear-gradient(160deg,#fff,#f3fbf6)}
.overview-item .t{font-size:13px}

/* 自测选择题 */
.quiz-opt{display:block;width:100%;text-align:left;margin:6px 0;padding:10px 14px;
  border:1px solid var(--green-200);border-radius:12px;background:#fff;color:var(--ink);font-size:14px;cursor:pointer}
.quiz-opt:hover{background:var(--green-50)}
.quiz-opt.correct{background:var(--green-200);border-color:var(--green-500);color:var(--green-700);font-weight:600}
.quiz-opt.wrong{background:#ffdede;border-color:#e79a9a;color:#b5403f}

/* 内嵌视频 */
.video-wrap{position:relative;margin:10px 0;border-radius:16px;overflow:hidden;
  background:#000;aspect-ratio:16/9}
.video-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video-cap{font-size:13px;color:var(--green-700);font-weight:600;margin-top:4px}

/* 口语气泡更圆润 */
.bubble{border-radius:16px}
.bubble.me{border-radius:16px 16px 4px 16px}
.bubble.bot{border-radius:16px 16px 16px 4px}