/* ================================================================
   MEDISOCIAL — MAIN STYLESHEET  v2
   Mobile-first · Olive Green · DM Serif Display + Nunito
   Breakpoints: mobile < 640 · tablet 640–1023 · desktop ≥ 1024
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=Nunito:wght@400;500;600;700;800&display=swap');

/* ================================================================
   1. DESIGN TOKENS
   ================================================================ */
:root {
  --green-900:#1e3a1a; --green-800:#2d5228; --green-700:#3a6632;
  --green-600:#4a7c3f; --green-500:#5a9049; --green-400:#74a863;
  --green-300:#9bc188; --green-200:#c4dbb9; --green-100:#e8f2e4; --green-50:#f4f9f2;

  --color-primary:      var(--green-500);
  --color-primary-dark: var(--green-700);
  --color-primary-light:var(--green-300);
  --color-primary-bg:   var(--green-50);
  --color-primary-sub:  var(--green-100);

  --color-bg:       #f6f6f3;
  --color-surface:  #ffffff;
  --color-surf2:    #f1f1ee;
  --color-border:   #e5e5de;
  --color-border2:  #d0d0c8;

  --color-ink:  #191917;
  --color-ink2: #48484240;    /* unused, keep for compat */
  --color-ink-2:#4a4a44;
  --color-ink-3:#888880;
  --color-ink-4:#b4b4aa;

  --color-error:  #d94f3d;
  --color-success:var(--green-500);

  --font-display:'DM Serif Display', Georgia, serif;
  --font-body:   'Nunito', -apple-system, sans-serif;

  --text-xs:  0.72rem;   /* 11.5px */
  --text-sm:  0.8125rem; /* 13px   */
  --text-base:0.9375rem; /* 15px   */
  --text-md:  1.0625rem; /* 17px   */
  --text-lg:  1.1875rem; /* 19px   */
  --text-xl:  1.375rem;  /* 22px   */
  --text-2xl: 1.625rem;  /* 26px   */
  --text-3xl: 2rem;      /* 32px   */
  --text-4xl: 2.5rem;    /* 40px   */

  --s1:4px;  --s2:8px;  --s3:12px; --s4:16px; --s5:20px;
  --s6:24px; --s7:28px; --s8:32px; --s10:40px; --s12:48px; --s16:64px;

  --r-xs:6px; --r-sm:10px; --r-md:16px; --r-lg:22px;
  --r-xl:28px; --r-2xl:36px; --r-full:9999px;

  --shadow-xs:0 1px 3px rgba(0,0,0,.06);
  --shadow-sm:0 2px 10px rgba(0,0,0,.08);
  --shadow-md:0 6px 24px rgba(0,0,0,.10);
  --shadow-lg:0 12px 48px rgba(0,0,0,.13);
  --shadow-xl:0 24px 72px rgba(0,0,0,.16);

  --t-fast:140ms ease; --t-normal:240ms ease; --t-slow:380ms ease;

  --z-sticky:200; --z-fixed:300; --z-modal:500; --z-toast:600;

  /* Layout */
  --nav-h:56px;
  --bot-h:64px;   /* bottom nav height (mobile) */
  --sidebar-w:256px;
  --content-w:600px;
  --page-w:1160px;
}

/* ================================================================
   2. RESET
   ================================================================ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%;height:100%}
body{font-family:var(--font-body);background:var(--color-bg);color:var(--color-ink);
  line-height:1.5;-webkit-font-smoothing:antialiased;min-height:100dvh}
img,video,svg{display:block;max-width:100%}
input,button,textarea,select{font:inherit;border:none;outline:none;background:none}
button{cursor:pointer}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{font-weight:normal;line-height:1.2}

/* ================================================================
   3. TYPOGRAPHY BASE
   ================================================================ */
h1,h2{font-family:var(--font-display)}
h1{font-size:var(--text-3xl)}
h2{font-size:var(--text-2xl)}
h3{font-size:var(--text-xl);font-weight:700}
h4{font-size:var(--text-md);font-weight:700}
p{color:var(--color-ink-2);line-height:1.65}
.truncate{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hidden{display:none!important}

/* ================================================================
   4. BUTTONS
   ================================================================ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:var(--s2);
  padding:var(--s3) var(--s5);border-radius:var(--r-full);
  font-size:var(--text-sm);font-weight:700;font-family:var(--font-body);
  cursor:pointer;transition:all var(--t-normal);white-space:nowrap;
  border:2px solid transparent;position:relative;overflow:hidden;letter-spacing:.01em;
  -webkit-tap-highlight-color:transparent;
}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--color-primary);color:#fff;box-shadow:0 2px 12px rgba(90,144,73,.3)}
.btn-primary:hover{background:var(--color-primary-dark)}
.btn-secondary{background:var(--color-surf2);color:var(--color-ink-2);border-color:var(--color-border)}
.btn-secondary:hover{background:var(--color-border);color:var(--color-ink)}
.btn-outline{background:transparent;color:var(--color-primary);border-color:var(--color-primary)}
.btn-outline:hover{background:var(--color-primary);color:#fff}
.btn-ghost{background:transparent;color:var(--color-ink-3)}
.btn-ghost:hover{background:var(--color-surf2);color:var(--color-ink)}
.btn-danger{background:var(--color-error);color:#fff}
.btn-lg{padding:var(--s4) var(--s8);font-size:var(--text-base)}
.btn-sm{padding:7px var(--s3);font-size:var(--text-xs)}
.btn-xs{padding:4px var(--s2);font-size:var(--text-xs)}
.btn-icon{width:40px;height:40px;padding:0;border-radius:var(--r-full)}
.btn-icon-sm{width:34px;height:34px;padding:0;border-radius:var(--r-full)}
.w-full{width:100%}
.btn:disabled{opacity:.5;pointer-events:none}

/* ================================================================
   5. FORMS
   ================================================================ */
.form-group{margin-bottom:var(--s5)}
.form-label{display:block;font-size:var(--text-sm);font-weight:700;color:var(--color-ink-2);margin-bottom:var(--s2)}
.form-input{
  width:100%;padding:var(--s3) var(--s4);
  border:1.5px solid var(--color-border);border-radius:var(--r-md);
  font-size:var(--text-base);color:var(--color-ink);background:var(--color-surface);
  transition:border-color var(--t-fast),box-shadow var(--t-fast);
  /* iOS fix */
  -webkit-appearance:none;appearance:none;
}
.form-input:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px rgba(90,144,73,.12)}
.form-input::placeholder{color:var(--color-ink-4)}
.form-input.is-error{border-color:var(--color-error)}
textarea.form-input{resize:vertical;min-height:96px;line-height:1.6}
.form-input-wrap{position:relative}
.form-input-wrap .form-input{padding-left:var(--s10)}
.input-icon{position:absolute;left:var(--s4);top:50%;transform:translateY(-50%);color:var(--color-ink-3);font-size:16px;pointer-events:none;line-height:1}
.input-action{position:absolute;right:var(--s3);top:50%;transform:translateY(-50%);color:var(--color-ink-3);padding:var(--s1);cursor:pointer;font-size:16px;line-height:1;background:none;border:none}
.form-error{display:block;font-size:var(--text-xs);color:var(--color-error);margin-top:5px;min-height:16px}
.form-select{
  width:100%;padding:var(--s3) var(--s4);padding-right:36px;
  border:1.5px solid var(--color-border);border-radius:var(--r-md);
  font-size:var(--text-base);color:var(--color-ink);background:var(--color-surface);
  -webkit-appearance:none;appearance:none;cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%23888880' stroke-width='2' viewBox='0 0 24 24'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right var(--s3) center;
  transition:border-color var(--t-fast);
}
.form-select:focus{border-color:var(--color-primary);outline:none;box-shadow:0 0 0 3px rgba(90,144,73,.12)}
.checkbox-wrap{display:flex;align-items:flex-start;gap:var(--s2);cursor:pointer;font-size:var(--text-sm);color:var(--color-ink-2)}
.checkbox-wrap input[type="checkbox"]{margin-top:2px;accent-color:var(--color-primary);flex-shrink:0;width:16px;height:16px}
.hint{font-size:var(--text-xs);color:var(--color-ink-3);margin-top:4px}
.label-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--s2)}
.label-row .form-label{margin-bottom:0}
.forgot-link{font-size:var(--text-xs);color:var(--color-primary);font-weight:700}

/* ================================================================
   6. AVATARS & BADGES
   ================================================================ */
.avatar{border-radius:var(--r-full);object-fit:cover;background:var(--color-surf2);flex-shrink:0}
.av-2xs{width:24px;height:24px} .av-xs{width:32px;height:32px}
.av-sm{width:40px;height:40px}  .av-md{width:52px;height:52px}
.av-lg{width:72px;height:72px}  .av-xl{width:96px;height:96px}
.av-2xl{width:120px;height:120px}

.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:var(--r-full);font-size:var(--text-xs);font-weight:700;letter-spacing:.03em;line-height:1.4}
.badge-green{background:var(--color-primary);color:#fff}
.badge-dark{background:var(--color-primary-dark);color:#fff}
.badge-light{background:var(--color-primary-sub);color:var(--color-primary-dark)}
.badge-unread{background:var(--color-error);color:#fff;min-width:18px;height:18px;padding:0 5px;font-size:10px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--r-full)}
.verified-icon{color:var(--color-primary);font-size:13px}
.divider{height:1px;background:var(--color-border);margin:var(--s4) 0}

/* ================================================================
   7. LAYOUT — APP SHELL  (Mobile-first)
   ================================================================ */

/* Top navbar — fixed, full width */
.top-nav{
  position:fixed;top:0;left:0;right:0;height:var(--nav-h);
  background:var(--color-surface);border-bottom:1px solid var(--color-border);
  display:flex;align-items:center;padding:0 var(--s4);gap:var(--s3);
  z-index:var(--z-fixed);box-shadow:var(--shadow-xs);
}
.nav-brand{font-family:var(--font-display);font-size:var(--text-xl);color:var(--color-primary);display:flex;align-items:center;gap:var(--s2);text-decoration:none;flex-shrink:0}
.nav-search{flex:1;position:relative;max-width:360px;display:none}  /* shown ≥640 */
.nav-search .form-input{padding-left:var(--s10);background:var(--color-bg);border-color:transparent;border-radius:var(--r-full);height:38px;font-size:var(--text-sm)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:var(--s2)}
.nav-icon-btn{width:38px;height:38px;border-radius:var(--r-full);display:flex;align-items:center;justify-content:center;background:var(--color-bg);color:var(--color-ink-2);cursor:pointer;border:none;transition:all var(--t-fast);position:relative;font-size:17px;-webkit-tap-highlight-color:transparent}
.nav-icon-btn:hover{background:var(--color-surf2);color:var(--color-ink)}
.nav-notif-dot{position:absolute;top:5px;right:5px;width:8px;height:8px;background:var(--color-error);border-radius:50%;border:2px solid var(--color-surface)}
.nav-avatar{width:34px;height:34px;border-radius:50%;object-fit:cover;border:2px solid var(--color-border);cursor:pointer;transition:border-color var(--t-fast)}
.nav-avatar:hover{border-color:var(--color-primary)}

/* Bottom navbar — mobile only */
.bottom-nav{
  display:flex;position:fixed;bottom:0;left:0;right:0;
  background:var(--color-surface);border-top:1px solid var(--color-border);
  z-index:var(--z-fixed);box-shadow:0 -2px 12px rgba(0,0,0,.07);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
.bottom-nav-inner{display:flex;width:100%;align-items:stretch}
.bottom-nav-item{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:3px;text-decoration:none;color:var(--color-ink-3);font-size:10px;font-weight:700;
  transition:color var(--t-fast);padding:8px var(--s1);position:relative;
  -webkit-tap-highlight-color:transparent;min-height:var(--bot-h);
}
.bottom-nav-item.active{color:var(--color-primary)}
.bottom-nav-item .bnav-icon{font-size:21px;line-height:1}
.bottom-nav-item .bnav-dot{position:absolute;top:7px;right:calc(50% - 14px);width:7px;height:7px;background:var(--color-error);border-radius:50%;border:2px solid var(--color-surface)}

/* Centre publish button */
.bnav-publish{
  flex:0 0 56px;width:56px;height:48px;background:var(--color-primary);
  color:#fff;border-radius:var(--r-xl);margin:8px 4px;padding:0;
  box-shadow:0 4px 16px rgba(90,144,73,.4);align-self:center;flex-direction:row;
}
.bnav-publish .bnav-icon{font-size:22px}
.bnav-publish span:last-child{display:none}

/* Sidebar — hidden on mobile, shown ≥ 1024 */
.sidebar{
  display:none;width:var(--sidebar-w);position:fixed;
  top:var(--nav-h);bottom:0;left:0;
  background:var(--color-surface);border-right:1px solid var(--color-border);
  overflow-y:auto;padding:var(--s4) var(--s3);flex-direction:column;
  scrollbar-width:thin;scrollbar-color:var(--color-border) transparent;
  z-index:var(--z-sticky);
}
.sidebar-user{display:flex;align-items:center;gap:var(--s3);padding:var(--s2) var(--s3) var(--s4);margin-bottom:var(--s3);border-bottom:1px solid var(--color-border);text-decoration:none;color:inherit;border-radius:var(--r-sm);transition:background var(--t-fast)}
.sidebar-user:hover{background:var(--color-surf2)}
.sidebar-user-info .name{font-weight:700;font-size:var(--text-sm)}
.sidebar-user-info .uname{font-size:var(--text-xs);color:var(--color-ink-3)}
.sidebar-section{margin-bottom:var(--s5)}
.sidebar-section-title{font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.1em;color:var(--color-ink-4);padding:0 var(--s3);margin-bottom:var(--s2)}
.sidebar-link{display:flex;align-items:center;gap:var(--s3);padding:var(--s2) var(--s3);border-radius:var(--r-sm);color:var(--color-ink-2);font-size:var(--text-sm);font-weight:600;cursor:pointer;transition:all var(--t-fast);text-decoration:none;position:relative;border:none;font-family:var(--font-body)}
.sidebar-link:hover{background:var(--color-surf2);color:var(--color-ink)}
.sidebar-link.active{background:var(--color-primary-sub);color:var(--color-primary-dark)}
.sidebar-link .s-icon{font-size:17px;width:22px;text-align:center;flex-shrink:0}
.sidebar-link .s-badge{margin-left:auto}

/* Main app page wrapper */
.app-page{
  min-height:100dvh;
  padding-top:var(--nav-h);
  padding-bottom:calc(var(--bot-h) + env(safe-area-inset-bottom,0px));
}

/* Feed two-column (desktop) */
.feed-columns{max-width:var(--page-w);margin:0 auto;padding:var(--s4) var(--s3);display:flex;gap:var(--s5);align-items:flex-start}
.feed-col-main{flex:1;min-width:0;max-width:var(--content-w)}
.feed-col-right{display:none;width:300px;flex-shrink:0;position:sticky;top:calc(var(--nav-h) + var(--s4))}

/* ================================================================
   8. COMPONENTS
   ================================================================ */

/* ── Product Card ── */
.product-card{background:var(--color-surface);border-radius:var(--r-xl);box-shadow:var(--shadow-xs);overflow:hidden;margin-bottom:var(--s4);transition:transform var(--t-normal),box-shadow var(--t-normal)}
.pc-header{display:flex;align-items:center;justify-content:space-between;padding:var(--s3) var(--s4)}
.pc-user{display:flex;align-items:center;gap:var(--s2);text-decoration:none}
.pc-username{font-size:var(--text-sm);font-weight:700;color:var(--color-ink)}
.pc-time{font-size:var(--text-xs);color:var(--color-ink-3)}
.pc-img-wrap{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--color-surf2)}
.pc-img-wrap img{width:100%;height:100%;object-fit:cover;transition:transform var(--t-slow)}
.pc-img-badge{position:absolute;top:var(--s3);left:var(--s3)}
.pc-img-save{position:absolute;top:var(--s3);right:var(--s3);width:34px;height:34px;background:rgba(255,255,255,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:15px;border:none;transition:all var(--t-fast);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}
.pc-img-save:active{transform:scale(.9)}
.pc-img-save.saved{color:var(--color-primary)}
.pc-body{padding:var(--s3) var(--s4) var(--s4)}
.pc-title{font-size:var(--text-md);font-weight:700;margin-bottom:var(--s1);color:var(--color-ink);line-height:1.35}
.pc-desc{font-size:var(--text-sm);color:var(--color-ink-3);margin-bottom:var(--s3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.55}
.pc-price-row{display:flex;align-items:center;gap:var(--s2);margin-bottom:var(--s3);flex-wrap:wrap}
.pc-price{font-family:var(--font-display);font-size:var(--text-2xl);color:var(--color-ink)}
.pc-orig-price{font-size:var(--text-sm);color:var(--color-ink-4);text-decoration:line-through}
.pc-discount{font-size:var(--text-xs);font-weight:700;color:var(--color-primary);background:var(--color-primary-sub);padding:2px 7px;border-radius:var(--r-full)}
.pc-actions{display:flex;align-items:center;padding-top:var(--s3);border-top:1px solid var(--color-border);gap:var(--s1)}
.pc-action{display:flex;align-items:center;gap:5px;padding:var(--s2) var(--s3);border-radius:var(--r-full);font-size:var(--text-xs);font-weight:700;color:var(--color-ink-3);cursor:pointer;transition:all var(--t-fast);border:none;background:none;line-height:1;-webkit-tap-highlight-color:transparent}
.pc-action:active{background:var(--color-surf2)}
.pc-action.liked{color:#e74c3c}
.pa-icon{font-size:16px}
.pc-action-cart{margin-left:auto;background:var(--color-primary);color:#fff;padding:var(--s2) var(--s4);border-radius:var(--r-full);font-weight:700;gap:var(--s1)}
.pc-action-cart:active{background:var(--color-primary-dark);color:#fff}

/* ── User Card ── */
.user-card{background:var(--color-surface);border-radius:var(--r-lg);padding:var(--s4);box-shadow:var(--shadow-xs);display:flex;align-items:center;gap:var(--s3)}
.uc-info{flex:1;min-width:0}
.uc-name{font-size:var(--text-sm);font-weight:700;color:var(--color-ink);display:flex;align-items:center;gap:4px}
.uc-uname{font-size:var(--text-xs);color:var(--color-ink-3);margin-bottom:2px}
.uc-bio{font-size:var(--text-xs);color:var(--color-ink-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.uc-stats{display:flex;gap:var(--s3);margin-top:var(--s2)}
.uc-stat-v{font-size:var(--text-sm);font-weight:700;color:var(--color-ink)}
.uc-stat-l{font-size:10px;color:var(--color-ink-3)}

/* ── Notification Item ── */
.notif-item{display:flex;align-items:flex-start;gap:var(--s3);padding:var(--s4);background:var(--color-surface);border-bottom:1px solid var(--color-border);cursor:pointer;transition:background var(--t-fast);position:relative}
.notif-item:active{background:var(--color-surf2)}
.notif-item.unread{background:rgba(90,144,73,.04)}
.notif-unread-dot{position:absolute;top:18px;left:5px;width:7px;height:7px;background:var(--color-primary);border-radius:50%}
.notif-type-icon{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0}
.notif-type-icon.follow{background:var(--color-primary-sub)}
.notif-type-icon.like{background:#fde8e6}
.notif-type-icon.comment{background:#e6f0fd}
.notif-text{font-size:var(--text-sm);color:var(--color-ink);line-height:1.45}
.notif-time{font-size:var(--text-xs);color:var(--color-ink-3);margin-top:2px}
.notif-thumb{width:44px;height:44px;border-radius:var(--r-sm);object-fit:cover;flex-shrink:0}

/* ── Stories ── */
.stories{display:flex;gap:var(--s3);overflow-x:auto;padding:var(--s3) 0 var(--s2);scrollbar-width:none;margin-bottom:var(--s3)}
.stories::-webkit-scrollbar{display:none}
.story{display:flex;flex-direction:column;align-items:center;gap:5px;cursor:pointer;flex-shrink:0;-webkit-tap-highlight-color:transparent}
.story-ring{width:58px;height:58px;border-radius:50%;padding:2.5px;background:linear-gradient(135deg,var(--color-primary),var(--green-300))}
.story-ring.seen{background:var(--color-border)}
.story-ring img{width:100%;height:100%;border-radius:50%;border:2.5px solid var(--color-surface);object-fit:cover}
.story-name{font-size:10px;font-weight:700;color:var(--color-ink-2);max-width:58px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:center}

/* ── Category Chips ── */
.chips{display:flex;gap:var(--s2);overflow-x:auto;padding-bottom:var(--s2);scrollbar-width:none;margin-bottom:var(--s4)}
.chips::-webkit-scrollbar{display:none}
.chip{flex-shrink:0;padding:7px var(--s4);border-radius:var(--r-full);border:1.5px solid var(--color-border);font-size:var(--text-sm);font-weight:700;color:var(--color-ink-2);background:var(--color-surface);cursor:pointer;transition:all var(--t-fast);white-space:nowrap;-webkit-tap-highlight-color:transparent}
.chip:active,.chip.active{background:var(--color-primary);border-color:var(--color-primary);color:#fff}

/* ── Tabs ── */
.tabs{display:flex;border-bottom:2px solid var(--color-border);margin-bottom:var(--s5);overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab-btn{flex-shrink:0;padding:var(--s3) var(--s4);font-size:var(--text-sm);font-weight:700;color:var(--color-ink-3);border-bottom:2px solid transparent;margin-bottom:-2px;transition:all var(--t-fast);background:none;cursor:pointer;white-space:nowrap;-webkit-tap-highlight-color:transparent}
.tab-btn.active{color:var(--color-primary);border-bottom-color:var(--color-primary)}

/* ── Modal (bottom sheet on mobile) ── */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:var(--z-modal);display:flex;align-items:flex-end;padding:0;animation:fadeIn .2s ease;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}
.modal{background:var(--color-surface);width:100%;max-height:92dvh;border-radius:var(--r-2xl) var(--r-2xl) 0 0;overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-xl);animation:slideUpModal .3s cubic-bezier(.34,1.2,.64,1)}
.modal-handle{width:40px;height:4px;background:var(--color-border2);border-radius:var(--r-full);margin:var(--s3) auto 0}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--s4) var(--s5);border-bottom:1px solid var(--color-border);flex-shrink:0}
.modal-title{font-size:var(--text-md);font-weight:700}
.modal-close{width:32px;height:32px;border-radius:50%;background:var(--color-surf2);color:var(--color-ink-3);display:flex;align-items:center;justify-content:center;cursor:pointer;border:none;font-size:17px;transition:all var(--t-fast)}
.modal-close:hover{background:var(--color-border);color:var(--color-ink)}
.modal-body{overflow-y:auto;padding:var(--s5);flex:1;-webkit-overflow-scrolling:touch}
.modal-footer{padding:var(--s4) var(--s5);border-top:1px solid var(--color-border);display:flex;gap:var(--s3);flex-shrink:0}

/* ── Toast ── */
#toast-container{position:fixed;bottom:calc(var(--bot-h) + env(safe-area-inset-bottom,0px) + var(--s3));left:50%;transform:translateX(-50%);z-index:var(--z-toast);display:flex;flex-direction:column;gap:var(--s2);pointer-events:none;width:calc(100vw - 32px);max-width:380px}
.toast{background:var(--color-ink);color:#fff;padding:var(--s3) var(--s4);border-radius:var(--r-lg);font-size:var(--text-sm);font-weight:700;text-align:center;animation:toastIn .3s ease forwards;box-shadow:var(--shadow-lg)}
.toast.success{background:var(--color-primary)}
.toast.error{background:var(--color-error)}

/* ── Spinner ── */
.spinner{width:32px;height:32px;border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite;margin:var(--s6) auto}

/* ── Empty State ── */
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--s16) var(--s6);text-align:center;gap:var(--s3)}
.es-icon{font-size:48px}
.empty-state h3{font-size:var(--text-lg);font-weight:700;font-family:var(--font-body)}
.empty-state p{font-size:var(--text-sm);max-width:260px}

/* ── Image Upload ── */
.img-upload-area{border:2px dashed var(--color-border);border-radius:var(--r-lg);padding:var(--s8) var(--s5);text-align:center;cursor:pointer;transition:all var(--t-fast);position:relative;overflow:hidden}
.img-upload-area:active,.img-upload-area.dragover{border-color:var(--color-primary);background:var(--color-primary-bg)}
.img-upload-area input[type="file"]{position:absolute;inset:0;opacity:0;cursor:pointer}
.img-preview-rm{position:absolute;top:var(--s3);right:var(--s3);width:30px;height:30px;background:rgba(0,0,0,.6);border:none;border-radius:50%;color:#fff;cursor:pointer;font-size:15px;display:flex;align-items:center;justify-content:center}

/* ── Step Indicator ── */
.steps{display:flex;align-items:center;justify-content:center;gap:var(--s2);margin-bottom:var(--s7)}
.step-dot{width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:var(--text-xs);font-weight:700;border:2px solid var(--color-border);color:var(--color-ink-3);transition:all var(--t-normal)}
.step-dot.active{background:var(--color-primary);border-color:var(--color-primary);color:#fff}
.step-dot.done{background:var(--color-primary);border-color:var(--color-primary);color:#fff}
.step-line{flex:1;max-width:50px;height:2px;background:var(--color-border);transition:background var(--t-normal)}
.step-line.done{background:var(--color-primary)}

/* ── Code Input ── */
.code-inputs{display:flex;gap:var(--s2);justify-content:center;margin:var(--s5) 0}
.code-inp{width:44px;height:54px;text-align:center;font-size:var(--text-xl);font-weight:800;border:2px solid var(--color-border);border-radius:var(--r-md);background:var(--color-surface);color:var(--color-ink);transition:border-color var(--t-fast);-webkit-appearance:none;appearance:none}
.code-inp:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px rgba(90,144,73,.12)}

/* ── Tags ── */
.tags-wrap{border:1.5px solid var(--color-border);border-radius:var(--r-md);padding:var(--s2) var(--s3);display:flex;flex-wrap:wrap;gap:var(--s1);align-items:center;min-height:46px;cursor:text;transition:border-color var(--t-fast)}
.tags-wrap:focus-within{border-color:var(--color-primary);box-shadow:0 0 0 3px rgba(90,144,73,.12)}
.tag-pill{display:inline-flex;align-items:center;gap:4px;background:var(--color-primary-sub);color:var(--color-primary-dark);border-radius:var(--r-full);padding:3px 10px;font-size:var(--text-xs);font-weight:700}
.tag-pill button{background:none;border:none;cursor:pointer;color:inherit;font-size:14px;line-height:1;padding:0}
.tag-text-inp{border:none;outline:none;font-size:var(--text-sm);color:var(--color-ink);background:none;flex:1;min-width:100px}

/* ── Profile Stats ── */
.profile-stats{display:grid;grid-template-columns:repeat(3,1fr);text-align:center;background:var(--color-surface);border-radius:var(--r-lg);padding:var(--s3);box-shadow:var(--shadow-xs)}
.pstat{padding:var(--s3) var(--s2);cursor:pointer;border-radius:var(--r-sm);transition:background var(--t-fast);-webkit-tap-highlight-color:transparent}
.pstat:active{background:var(--color-surf2)}
.pstat-v{font-size:var(--text-lg);font-weight:800;color:var(--color-ink)}
.pstat-l{font-size:11px;color:var(--color-ink-3);font-weight:700}

/* ── Profile grid ── */
.profile-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:3px}
.pg-thumb{aspect-ratio:1;overflow:hidden;border-radius:var(--r-xs);position:relative;cursor:pointer;background:var(--color-surf2)}
.pg-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t-slow)}
.pg-overlay{position:absolute;inset:0;background:rgba(0,0,0,.38);display:flex;align-items:center;justify-content:center;gap:var(--s4);opacity:0;transition:opacity var(--t-fast);color:#fff;font-size:var(--text-sm);font-weight:700}

/* ── Password strength ── */
.pw-strength{display:flex;align-items:center;gap:var(--s3);margin-top:6px}
.pw-bar{flex:1;height:4px;background:var(--color-border);border-radius:var(--r-full);overflow:hidden}
.pw-fill{height:100%;width:0;border-radius:var(--r-full);transition:all .3s ease}
.pw-label{font-size:11px;font-weight:700;min-width:55px;color:var(--color-ink-3)}
.char-counter{text-align:right;font-size:11px;color:var(--color-ink-3);margin-top:4px}

/* ── Right widgets panel ── */
.widget{background:var(--color-surface);border-radius:var(--r-xl);padding:var(--s4);margin-bottom:var(--s4);box-shadow:var(--shadow-xs)}
.widget-title{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--color-ink-3);margin-bottom:var(--s3)}

/* ================================================================
   9. AUTH PAGES  (mobile card layout)
   ================================================================ */
.auth-page{min-height:100dvh;display:flex;flex-direction:column;background:var(--color-bg)}
.auth-top{
  background:linear-gradient(145deg,var(--green-700) 0%,var(--green-500) 55%,var(--green-400) 100%);
  padding:var(--s10) var(--s5) var(--s12);text-align:center;position:relative;overflow:hidden;flex-shrink:0;
}
.auth-top .deco-1{position:absolute;width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,.07);top:-70px;right:-70px}
.auth-top .deco-2{position:absolute;width:130px;height:130px;border-radius:50%;background:rgba(255,255,255,.07);bottom:-35px;left:-35px}
.auth-logo{font-size:44px;margin-bottom:var(--s3)}
.auth-top h1{font-size:var(--text-3xl);color:#fff;margin-bottom:var(--s2)}
.auth-top p{color:rgba(255,255,255,.82);font-size:var(--text-sm);max-width:300px;margin:0 auto}
.auth-card{
  background:var(--color-surface);border-radius:var(--r-2xl) var(--r-2xl) 0 0;
  flex:1;padding:var(--s7) var(--s5) calc(var(--s8) + env(safe-area-inset-bottom,0px));
  margin-top:-28px;box-shadow:0 -8px 40px rgba(0,0,0,.1);overflow-y:auto;
}
.auth-card-title{font-size:var(--text-xl);font-weight:800;color:var(--color-ink);margin-bottom:var(--s1)}
.auth-card-sub{font-size:var(--text-sm);color:var(--color-ink-3);margin-bottom:var(--s6)}
.auth-divider{display:flex;align-items:center;gap:var(--s3);margin:var(--s5) 0;color:var(--color-ink-3);font-size:var(--text-xs)}
.auth-divider::before,.auth-divider::after{content:'';flex:1;height:1px;background:var(--color-border)}
.auth-footer{text-align:center;padding:var(--s4) var(--s4) calc(var(--s4) + env(safe-area-inset-bottom,0px));font-size:var(--text-sm);color:var(--color-ink-3);background:var(--color-surface)}
.auth-footer a{color:var(--color-primary);font-weight:700}

/* ================================================================
   10. ANIMATIONS
   ================================================================ */
@keyframes fadeIn      {from{opacity:0}to{opacity:1}}
@keyframes fadeInUp    {from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
@keyframes slideUpModal{from{transform:translateY(100%)}to{transform:translateY(0)}}
@keyframes spin        {to{transform:rotate(360deg)}}
@keyframes pop         {0%{transform:scale(1)}40%{transform:scale(1.3)}70%{transform:scale(.88)}100%{transform:scale(1)}}
@keyframes shake       {0%,100%{transform:translateX(0)}20%{transform:translateX(-5px)}40%{transform:translateX(5px)}60%{transform:translateX(-4px)}80%{transform:translateX(4px)}}
@keyframes toastIn     {from{opacity:0;transform:translateY(10px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}
@keyframes float       {0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@keyframes shimmer     {0%{background-position:200% 0}100%{background-position:-200% 0}}

.anim-fade-in {animation:fadeIn .3s ease both}
.anim-fade-up {animation:fadeInUp .4s ease both}
.anim-pop     {animation:pop .35s cubic-bezier(.36,.07,.19,.97) both}
.anim-shake   {animation:shake .4s ease}
.anim-float   {animation:float 4s ease-in-out infinite}

.stagger>*:nth-child(1){animation-delay:.04s}
.stagger>*:nth-child(2){animation-delay:.08s}
.stagger>*:nth-child(3){animation-delay:.12s}
.stagger>*:nth-child(4){animation-delay:.16s}
.stagger>*:nth-child(5){animation-delay:.20s}
.stagger>*:nth-child(6){animation-delay:.24s}
.stagger>*:nth-child(7){animation-delay:.28s}
.stagger>*:nth-child(8){animation-delay:.32s}

.skeleton{border-radius:var(--r-sm);background:linear-gradient(90deg,var(--color-surf2) 25%,var(--color-border) 50%,var(--color-surf2) 75%);background-size:200% 100%;animation:shimmer 1.5s ease infinite}

/* ================================================================
   11. RESPONSIVE — TABLET  ≥ 640px
   ================================================================ */
@media(min-width:640px){
  :root{--nav-h:60px}

  /* Show navbar search */
  .nav-search{display:flex}

  /* Auth: wider card with some breathing room */
  .auth-top{padding:var(--s12) var(--s8) var(--s16)}
  .auth-top h1{font-size:var(--text-4xl)}
  .auth-card{padding:var(--s8) var(--s8) var(--s10);border-radius:var(--r-2xl) var(--r-2xl) 0 0}

  /* Code inputs bigger */
  .code-inp{width:50px;height:60px;font-size:var(--text-2xl)}

  /* Feed padding */
  .feed-columns{padding:var(--s5) var(--s5)}

  /* Stories bigger */
  .story-ring{width:64px;height:64px}
  .story-name{max-width:64px}

  /* Modal: centered dialog */
  .modal-overlay{align-items:center;padding:var(--s5)}
  .modal{border-radius:var(--r-2xl);max-width:520px;margin:auto;width:100%}
  .modal-handle{display:none}

  /* Toast: auto width, centered above bottom */
  #toast-container{width:auto;bottom:var(--s6)}

  /* Product card image */
  .pc-img-wrap img:hover{transform:scale(1.04)}
  .product-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}

  /* Profile grid: hover overlay */
  .pg-thumb:hover img{transform:scale(1.06)}
  .pg-thumb:hover .pg-overlay{opacity:1}
}

/* ================================================================
   12. RESPONSIVE — DESKTOP  ≥ 1024px
   ================================================================ */
@media(min-width:1024px){
  :root{
    --nav-h:64px;
    --bot-h:0px;   /* no bottom nav on desktop */
  }

  /* Hide bottom nav, show sidebar */
  .bottom-nav{display:none}
  .sidebar{display:flex}

  /* Page padding: left = sidebar, bottom = 0 */
  .app-page{
    padding-left:var(--sidebar-w);
    padding-bottom:0;
  }

  /* Feed: show right column */
  .feed-columns{padding:var(--s6) var(--s6);gap:var(--s6)}
  .feed-col-right{display:block}

  /* Modal: always centered */
  .modal-overlay{align-items:center;padding:var(--s6)}
  .modal{border-radius:var(--r-2xl);max-width:540px;margin:auto}
  .modal-handle{display:none}

  /* Toast: desktop position */
  #toast-container{bottom:var(--s6)}

  /* Auth: two-column layout */
  .auth-page{flex-direction:row}
  .auth-top{
    flex:1;border-radius:0;padding:var(--s16) var(--s10);
    display:flex;flex-direction:column;align-items:flex-start;
    justify-content:center;text-align:left;min-height:100dvh;
  }
  .auth-top p{margin:0;max-width:380px}
  .auth-top h1{font-size:var(--text-4xl)}
  .auth-card{
    flex:none;width:480px;border-radius:0;margin-top:0;
    box-shadow:none;border-left:1px solid var(--color-border);
    padding:var(--s12) var(--s10);min-height:100dvh;
    display:flex;flex-direction:column;justify-content:center;
  }
  .auth-footer{padding:var(--s6) var(--s10);background:var(--color-surface)}

  /* Navbar publish button — visible on desktop too */
  .nav-search{max-width:440px}

  /* Chips larger */
  .chip{padding:8px var(--s4)}
}

/* ================================================================
   13. WIDE  ≥ 1280px
   ================================================================ */
@media(min-width:1280px){
  .feed-col-right{width:320px}
  .feed-columns{padding:var(--s6) var(--s8);gap:var(--s8)}
}

/* ================================================================
   14. TOUCH  (no hover capability)
   ================================================================ */
@media(hover:none)and(pointer:coarse){
  .product-card:hover{transform:none;box-shadow:var(--shadow-xs)}
  .pc-img-wrap img{transform:none!important}
  /* Show overlay always on touch (semi-transparent) */
  .pg-overlay{opacity:1;background:rgba(0,0,0,.28)}
  /* Larger tap targets */
  .pc-action{padding:var(--s3) var(--s3)}
  .chip{padding:9px var(--s4)}
}

/* ================================================================
   15. PRINT
   ================================================================ */
@media print{
  .sidebar,.top-nav,.bottom-nav{display:none!important}
  .app-page{padding:0}
}