/* TailLog design system — v2 "modern premium neutral":
   deep charcoal on crisp off-white, one confident emerald accent,
   Manrope (display) + Inter (body), Lucide icons. */

:root{
  --bg: oklch(98.2% 0.003 260);
  --surface: oklch(100% 0 0);
  --surface-2: oklch(96.3% 0.004 260);
  --border: oklch(90.5% 0.006 260);
  --text: oklch(21% 0.014 260);
  --text-2: oklch(46% 0.013 260);
  --text-3: oklch(61% 0.011 260);

  --accent: oklch(42% 0.1 160);
  --accent-dark: oklch(34% 0.1 160);
  --accent-bg: oklch(93.5% 0.028 160);

  --ok: oklch(50% 0.09 175);
  --ok-bg: oklch(94% 0.025 175);
  --warn: oklch(58% 0.13 65);
  --warn-bg: oklch(95% 0.05 85);
  --danger: oklch(50% 0.16 25);
  --danger-bg: oklch(94% 0.035 25);

  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-btn: 12px;
  --shadow: 0 1px 2px oklch(22% 0.02 260 / 0.05), 0 8px 20px oklch(22% 0.02 260 / 0.06);
}

*{box-sizing:border-box;}
html,body{height:100%;}
body{
  margin:0;
  background:var(--surface-2);
  font-family:'Inter',sans-serif;
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
a{color:var(--accent);text-decoration:none;}
a:hover{color:var(--accent-dark);}
button{font-family:inherit;cursor:pointer;background:none;border:none;color:inherit;padding:0;}
input,select,textarea{font-family:inherit;}

.font-display{font-family:'Manrope',sans-serif;letter-spacing:-0.01em;}
.icon{width:20px;height:20px;flex-shrink:0;stroke-width:1.9;}

/* App frame: full-bleed on mobile, phone-width card centered on wider viewports */
#app{
  max-width:480px;
  margin:0 auto;
  min-height:100vh;
  background:var(--bg);
  display:flex;
  flex-direction:column;
  position:relative;
  box-shadow:var(--shadow);
}
@media (min-width: 500px){
  body{padding:24px 0;}
  #app{min-height:calc(100vh - 48px);border-radius:24px;overflow:hidden;border:1px solid var(--border);}
}

#screen-root{flex:1 1 auto;display:flex;flex-direction:column;min-height:0;}
.screen{display:none;flex-direction:column;flex:1 1 auto;min-height:0;}
.screen.active{display:flex;}

/* Topbars / headers */
.topbar{display:flex;align-items:center;justify-content:space-between;padding:22px 20px 6px;flex-shrink:0;}
.eyebrow{font-size:13px;color:var(--text-3);font-weight:500;}
.title{font-family:'Manrope',sans-serif;font-size:25px;font-weight:800;color:var(--text);margin-top:2px;letter-spacing:-0.02em;}
.icon-btn{width:40px;height:40px;border-radius:50%;background:var(--surface);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--text-2);flex-shrink:0;}
.icon-btn:disabled{opacity:0.4;}
button.icon-btn{border:1px solid var(--border);}

.detail-header{display:flex;align-items:center;gap:14px;padding:20px 20px 4px;flex-shrink:0;}
.detail-header.spread{justify-content:space-between;}
.header-title{font-family:'Manrope',sans-serif;font-weight:700;font-size:19px;letter-spacing:-0.01em;}

.content{flex:1 1 auto;overflow-y:auto;padding:14px 20px 100px;display:flex;flex-direction:column;gap:16px;}
.content.no-nav{padding-bottom:20px;}
/* Screens with a floating "+" button: leave room so the last item can scroll clear of it. */
.content.has-fab{padding-bottom:96px;}

/* Pet chip row */
.pet-row{display:flex;align-items:flex-start;gap:14px;overflow-x:auto;padding:4px 2px 2px;}
.pet-chip{display:flex;flex-direction:column;align-items:center;gap:6px;flex-shrink:0;width:58px;background:none;border:none;padding:0;}
.avatar{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:'Manrope',sans-serif;font-weight:700;font-size:17px;color:white;border:2.5px solid transparent;}
.pet-chip.active .avatar{border-color:var(--accent);}
.avatar.c1,.pet-badge.c1,.pet-photo-lg.c1{background:oklch(46% 0.1 160);}
.avatar.c2,.pet-badge.c2,.pet-photo-lg.c2{background:oklch(42% 0.08 250);}
.avatar.c3,.pet-badge.c3,.pet-photo-lg.c3{background:oklch(50% 0.09 40);}
.avatar.c4,.pet-badge.c4,.pet-photo-lg.c4{background:oklch(42% 0.09 320);}
.avatar.c5,.pet-badge.c5,.pet-photo-lg.c5{background:oklch(48% 0.07 200);}
.avatar,.pet-badge,.pet-photo-lg{overflow:hidden;}
.avatar img,.pet-badge img,.pet-photo-lg img{width:100%;height:100%;object-fit:cover;}
.pet-name{font-size:12px;font-weight:600;color:var(--text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:58px;}
.pet-chip.active .pet-name{color:var(--text);}
.add-pet .avatar{background:var(--surface);border:1.5px dashed var(--border);color:var(--text-3);}

/* Cards */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:16px;}
.card-header{display:flex;align-items:center;gap:8px;font-family:'Manrope',sans-serif;font-weight:700;font-size:15.5px;margin-bottom:12px;color:var(--text);}
.card-header .icon{color:var(--accent);width:18px;height:18px;}

.reminder-item{display:flex;align-items:flex-start;gap:12px;padding:8px 0;}
.reminder-item + .reminder-item{border-top:1px solid var(--border);}
.reminder-dot{width:8px;height:8px;border-radius:50%;margin-top:6px;flex-shrink:0;}
.reminder-dot.coral{background:var(--accent);}
.reminder-dot.sage{background:var(--ok);}
.reminder-dot.red{background:var(--danger);}
.reminder-title{font-size:14px;font-weight:600;color:var(--text);}
.reminder-meta{font-size:12.5px;color:var(--text-3);margin-top:2px;}

.section-title{font-family:'Manrope',sans-serif;font-weight:700;font-size:16px;color:var(--text);margin-top:2px;letter-spacing:-0.01em;}
.section-title.small{font-size:11.5px;color:var(--text-2);text-transform:uppercase;letter-spacing:0.06em;font-weight:700;}
.section-title-row{display:flex;align-items:center;justify-content:space-between;margin-top:2px;}
.section-title-row .section-title{margin-top:0;}
.link-btn.small{font-size:12.5px;}

.upcoming-item{display:flex;align-items:center;gap:12px;padding:14px 16px;}
.pet-badge{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:'Manrope',sans-serif;font-weight:700;font-size:13px;color:white;flex-shrink:0;}
.upcoming-info{flex:1 1 auto;min-width:0;}
.upcoming-title{font-size:14px;font-weight:600;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.upcoming-meta{font-size:12.5px;color:var(--text-3);margin-top:2px;}

.due-pill{flex-shrink:0;border-radius:999px;padding:5px 10px;font-size:11px;font-weight:700;letter-spacing:0.01em;}
.due-pill.amber{background:var(--warn-bg);color:var(--warn);}
.due-pill.red{background:var(--danger-bg);color:var(--danger);}
.due-pill.green{background:var(--ok-bg);color:var(--ok);}
.due-pill.grey{background:var(--surface-2);color:var(--text-2);}

/* "Add your pets' history" rows on the home screen */
.history-row{display:flex;align-items:center;gap:12px;width:100%;text-align:left;padding:10px 0;border-top:1px solid var(--border);}
.history-row .icon{color:var(--text-3);}

/* Bottom nav */
.bottom-nav{display:flex;align-items:center;justify-content:space-around;height:78px;background:var(--surface);border-top:1px solid var(--border);flex-shrink:0;padding:0 6px;position:absolute;left:0;right:0;bottom:0;}
.nav-item{display:flex;flex-direction:column;align-items:center;gap:4px;font-size:10.5px;color:var(--text-3);font-weight:600;background:none;border:none;padding:6px 4px;}
.nav-item.active{color:var(--accent);}
.nav-item .icon{width:21px;height:21px;stroke-width:1.9;}
.nav-fab{width:48px;height:48px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;color:white;margin-top:-20px;box-shadow:0 8px 18px oklch(42% 0.1 160 / 0.35);border:none;}
.nav-fab .icon{width:22px;height:22px;color:white;}

/* Pet profile */
.pet-hero{display:flex;flex-direction:column;align-items:center;gap:8px;padding:4px 0 4px;}
.pet-photo-lg{width:84px;height:84px;border-radius:50%;background:oklch(46% 0.1 160);color:white;display:flex;align-items:center;justify-content:center;font-family:'Manrope',sans-serif;font-weight:700;font-size:30px;border:3px solid var(--surface);box-shadow:var(--shadow);}
.pet-photo-wrap{position:relative;display:block;cursor:pointer;width:84px;height:84px;}
.pet-photo-edit{position:absolute;right:-2px;bottom:-2px;width:30px;height:30px;border-radius:50%;background:var(--accent);color:white;display:flex;align-items:center;justify-content:center;border:2.5px solid var(--surface);box-shadow:var(--shadow);}
.pet-photo-edit .icon{width:15px;height:15px;stroke-width:2.3;}
.remove-photo-link{font-size:12.5px;color:var(--text-3);background:none;border:none;padding:2px;margin-top:-2px;}
.pet-hero-name{font-family:'Manrope',sans-serif;font-weight:800;font-size:21px;margin-top:4px;letter-spacing:-0.01em;}
.pet-hero-meta{font-size:13px;color:var(--text-3);}

.tab-row{display:flex;gap:4px;background:var(--surface-2);border-radius:12px;padding:4px;}
.tab{flex:1 1 0;text-align:center;font-size:12.5px;font-weight:700;color:var(--text-3);padding:9px 4px;border-radius:9px;background:none;border:none;}
.tab.active{background:var(--surface);color:var(--accent);box-shadow:0 1px 2px oklch(22% 0.02 260 / 0.08);}

.health-item{display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:14px 16px;}
.health-icon{width:36px;height:36px;border-radius:11px;background:var(--accent-bg);color:var(--accent);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.health-icon .icon{width:18px;height:18px;}
.health-icon.sage{background:var(--ok-bg);color:var(--ok);}
.health-info{flex:1 1 auto;min-width:0;}
.health-title{font-size:14px;font-weight:600;color:var(--text);}
.health-meta{font-size:12px;color:var(--text-3);margin-top:2px;}
.health-item button.due-pill{border:none;}

/* Timeline */
.chip-row{display:flex;gap:8px;overflow-x:auto;}
.chip{flex-shrink:0;padding:8px 14px;border-radius:999px;font-size:12.5px;font-weight:600;background:var(--surface);border:1px solid var(--border);color:var(--text-2);}
.chip.active{background:var(--text);border-color:var(--text);color:var(--surface);}

.timeline{position:relative;display:flex;flex-direction:column;gap:18px;padding-left:6px;}
.t-item{display:flex;gap:14px;position:relative;}
.t-rail{display:flex;flex-direction:column;align-items:center;flex-shrink:0;width:14px;}
.t-dot{width:11px;height:11px;border-radius:50%;background:var(--accent);border:2px solid var(--surface);box-shadow:0 0 0 2px var(--accent-bg);margin-top:6px;}
.t-line{width:2px;flex:1 1 auto;background:var(--border);margin-top:4px;}
.t-card{flex:1 1 auto;background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);overflow:hidden;padding-bottom:12px;}
.t-photo{width:100%;height:150px;background:var(--surface-2);display:flex;align-items:center;justify-content:center;color:var(--text-3);object-fit:cover;}
.t-body{padding:12px 14px 0;}
.t-tag{display:inline-block;font-size:10.5px;font-weight:700;color:var(--accent);background:var(--accent-bg);padding:3px 9px;border-radius:999px;margin-bottom:6px;letter-spacing:0.01em;}
.t-tag.sage{color:var(--ok);background:var(--ok-bg);}
.t-tag.amber{color:var(--warn);background:var(--warn-bg);}
.t-title{font-size:14px;font-weight:700;color:var(--text);}
.t-meta{font-size:12px;color:var(--text-3);margin-top:2px;}

.fab-add{position:absolute;right:20px;bottom:26px;width:52px;height:52px;border-radius:50%;background:var(--accent);color:white;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 22px oklch(42% 0.1 160 / 0.35);border:none;}
.fab-add.above-nav{bottom:104px;}

/* Documents */
.upload-btn{display:flex;align-items:center;justify-content:center;gap:8px;background:var(--surface);color:var(--accent);border:1.5px dashed var(--border);border-radius:var(--radius-md);padding:14px;font-weight:700;font-size:13.5px;width:100%;}
.doc-group{display:flex;flex-direction:column;gap:8px;}
.doc-list{background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);overflow:hidden;}
.doc-item{display:flex;align-items:center;gap:12px;padding:13px 16px;}
.doc-item + .doc-item{border-top:1px solid var(--border);}
.doc-icon{width:36px;height:36px;border-radius:10px;background:var(--accent-bg);color:var(--accent);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.doc-icon .icon{width:17px;height:17px;}
.doc-info{flex:1 1 auto;min-width:0;}
.doc-name{font-size:13.5px;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.doc-meta{font-size:12px;color:var(--text-3);margin-top:2px;}
.doc-tag{flex-shrink:0;font-size:10.5px;font-weight:700;color:var(--text-2);background:var(--surface-2);border-radius:999px;padding:4px 9px;}
.doc-item a{color:inherit;}

/* Forms */
.form-group{display:flex;flex-direction:column;gap:6px;}
.form-label{font-size:12.5px;font-weight:600;color:var(--text-2);}
.form-input,.form-select,.form-textarea{
  background:var(--surface);
  border:1.5px solid var(--border);
  border-radius:var(--radius-btn);
  padding:12px 14px;
  font-size:14.5px;
  color:var(--text);
  width:100%;
}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--accent);}
.form-row{display:flex;gap:12px;}
.form-row > *{flex:1 1 0;}
.form-hint{font-size:12px;color:var(--text-3);}
.form-error{font-size:12.5px;color:var(--danger);background:var(--danger-bg);padding:10px 12px;border-radius:var(--radius-btn);}

.btn{border:none;border-radius:var(--radius-btn);padding:13px;font-family:'Manrope',sans-serif;font-weight:700;font-size:14px;text-align:center;width:100%;letter-spacing:-0.005em;}
.btn-primary{background:var(--accent);color:white;}
.btn-primary:disabled{opacity:0.55;}
.btn-secondary{background:var(--surface-2);color:var(--text);}
.btn-text{background:none;color:var(--accent);font-weight:700;font-size:13.5px;padding:8px;}

/* Auth screens */
.auth-content{flex:1 1 auto;display:flex;flex-direction:column;justify-content:center;gap:20px;padding:24px 28px;}
.auth-logo{display:flex;flex-direction:column;align-items:center;gap:6px;margin-bottom:8px;}
.auth-logo .mark{width:60px;height:60px;border-radius:16px;background:var(--accent);display:flex;align-items:center;justify-content:center;color:white;box-shadow:var(--shadow);}
.auth-logo .mark .icon{width:30px;height:30px;stroke-width:1.7;}
.auth-logo .name{font-family:'Manrope',sans-serif;font-weight:800;font-size:23px;margin-top:6px;letter-spacing:-0.02em;}
.auth-logo .tagline{font-size:13px;color:var(--text-3);text-align:center;}
.auth-switch{text-align:center;font-size:13.5px;color:var(--text-2);}

/* Onboarding empty state */
.empty-state{flex:1 1 auto;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:30px;text-align:center;}
.empty-state .mark{width:68px;height:68px;border-radius:50%;background:var(--accent-bg);color:var(--accent);display:flex;align-items:center;justify-content:center;}
.empty-state .mark .icon{width:30px;height:30px;}
.empty-state h2{font-family:'Manrope',sans-serif;font-size:18px;margin:0;font-weight:800;letter-spacing:-0.01em;}
.empty-state p{font-size:13.5px;color:var(--text-3);margin:0;max-width:260px;}

/* Modal / sheet for logging doses etc */
.sheet-backdrop{position:absolute;inset:0;background:oklch(20% 0.015 260 / 0.5);display:none;align-items:flex-end;z-index:50;}
.sheet-backdrop.active{display:flex;}
.sheet{background:var(--surface);border-radius:22px 22px 0 0;padding:20px 20px 28px;width:100%;max-height:80%;overflow-y:auto;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:14px;}
.sheet-handle{width:36px;height:4px;border-radius:999px;background:var(--border);margin:0 auto 4px;}
.sheet-title{font-family:'Manrope',sans-serif;font-weight:700;font-size:17px;letter-spacing:-0.01em;}

/* In normal document flow (first child of #app) so it displaces the header
   below it when shown, rather than floating on top and overlapping it. */
.toast{flex-shrink:0;margin:14px 20px 0;background:var(--text);color:var(--bg);padding:12px 16px;border-radius:var(--radius-btn);font-size:13.5px;font-weight:600;box-shadow:var(--shadow);z-index:100;display:none;text-align:center;}
.toast.active{display:block;}
.toast.error{background:var(--danger);color:white;}
.toast.success{background:var(--accent);color:white;}

.spinner-wrap{display:flex;align-items:center;justify-content:center;flex:1 1 auto;padding:40px;color:var(--text-3);font-size:13.5px;}

.avatar-picker{display:flex;gap:10px;flex-wrap:wrap;}
.avatar-picker .swatch{width:38px;height:38px;border-radius:50%;border:2.5px solid transparent;}
.avatar-picker .swatch.selected{border-color:var(--text);}

.link-btn{background:none;border:none;color:var(--accent);font-weight:700;font-size:13px;padding:0;}
.link-btn.danger{color:var(--danger);}
.list-plain{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}

/* Step 3: sign-in notices, legal links, account settings */
.form-notice{font-size:12.5px;color:var(--accent-dark);background:var(--accent-bg);padding:10px 12px;border-radius:var(--radius-btn);line-height:1.5;}
.auth-legal,.account-links{display:flex;justify-content:center;align-items:center;gap:8px;flex-wrap:wrap;font-size:12.5px;color:var(--text-3);}
.auth-legal a,.account-links a{color:var(--text-3);text-decoration:underline;text-underline-offset:2px;}
.auth-legal .link-btn,.account-links .link-btn{color:var(--text-3);font-weight:500;text-decoration:underline;text-underline-offset:2px;}
.setting-group{display:flex;flex-direction:column;gap:2px;background:var(--surface-2);border-radius:var(--radius-md);padding:4px 14px;}
.setting-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 0;cursor:pointer;}
.setting-row + .setting-row{border-top:1px solid var(--border);}
.setting-text{display:flex;flex-direction:column;gap:2px;}
.setting-name{font-size:14px;font-weight:600;color:var(--text);}
.setting-hint{font-size:12px;color:var(--text-3);line-height:1.4;}
.setting-row input[type=checkbox]{width:20px;height:20px;flex-shrink:0;accent-color:var(--accent);}