/* NightFun app.css v5 */
:root{--primary:#e0375a;--primary-dark:#b82d48;--primary-light:#f8d7de;--secondary:#2d2d3a;--bg:#f9f5f6;--bg-card:#fff;--text:#1a1a2e;--text-muted:#6b6b7b;--border:#ede8ea;--success:#22c55e;--warning:#f59e0b;--danger:#ef4444;--coin:#f59e0b;--radius:14px;--radius-sm:8px;--shadow:0 2px 16px rgba(0,0,0,.07);--shadow-lg:0 8px 32px rgba(0,0,0,.12);--nav-h:56px;--bot-h:60px;}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{font-size:16px;-webkit-text-size-adjust:100%;}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh;overflow-x:hidden;}
h1{font-size:1.6rem;font-weight:700;}h2{font-size:1.3rem;font-weight:600;}h3{font-size:1rem;font-weight:600;}p{color:var(--text-muted);}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 18px;border-radius:var(--radius-sm);font-size:.875rem;font-weight:500;cursor:pointer;border:none;transition:all .18s;text-decoration:none;white-space:nowrap;-webkit-tap-highlight-color:transparent;}
.btn-primary{background:var(--primary);color:#fff;}.btn-primary:hover{background:var(--primary-dark);}
.btn-secondary{background:var(--border);color:var(--text);}.btn-secondary:hover{background:#e0d8db;}
.btn-outline{background:transparent;border:1.5px solid var(--primary);color:var(--primary);}.btn-outline:hover{background:var(--primary-light);}
.btn-sm{padding:6px 12px;font-size:.78rem;}.btn-lg{padding:13px 24px;font-size:.95rem;}.btn-full{width:100%;}.btn-danger{background:var(--danger);color:#fff;}.btn:disabled{opacity:.5;cursor:not-allowed;}

/* Forms */
.form-group{display:flex;flex-direction:column;gap:5px;margin-bottom:.875rem;}
.form-label{font-size:.82rem;font-weight:500;color:var(--text);}
.form-input{padding:11px 13px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:1rem;color:var(--text);background:#fff;transition:border .18s;outline:none;width:100%;-webkit-appearance:none;}
.form-input:focus{border-color:var(--primary);}
.form-input::placeholder{color:#bbb;}
textarea.form-input{resize:vertical;min-height:80px;}

/* Cards */
.card{background:var(--bg-card);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.25rem;border:1px solid var(--border);}
.mb-2{margin-bottom:1rem;}.mt-2{margin-top:1rem;}.mt-3{margin-top:1.5rem;}.text-center{text-align:center;}

/* Top Navbar */
.navbar{background:#fff;border-bottom:1px solid var(--border);padding:0 1rem;height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100;box-shadow:0 1px 8px rgba(0,0,0,.05);}
.nav-logo{font-size:1.3rem;font-weight:700;color:var(--primary);text-decoration:none;}
.nav-logo span{color:var(--secondary);}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-link{padding:7px 12px;border-radius:var(--radius-sm);font-size:.85rem;color:var(--text-muted);text-decoration:none;transition:all .18s;display:flex;align-items:center;gap:5px;cursor:pointer;border:none;background:none;}
.nav-link:hover,.nav-link.active{background:var(--primary-light);color:var(--primary);}
.nav-coins{display:flex;align-items:center;gap:5px;padding:5px 11px;background:#fff8e6;border-radius:20px;font-size:.82rem;font-weight:600;color:#92640a;border:1px solid #f0d080;}

/* Bottom Nav — hidden on desktop, shown on mobile via media query */
.bottom-nav{display:none;position:fixed;bottom:0;left:0;right:0;height:var(--bot-h);background:#fff;border-top:1px solid var(--border);z-index:200;box-shadow:0 -2px 12px rgba(0,0,0,.08);}
.bottom-nav-inner{display:flex;height:100%;}
.bottom-nav-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;border:none;background:none;color:var(--text-muted);font-size:.58rem;font-weight:500;cursor:pointer;padding:5px 0;text-decoration:none;-webkit-tap-highlight-color:transparent;}
.bottom-nav-item .bn-icon{font-size:1.3rem;line-height:1;}
.bottom-nav-item.active{color:var(--primary);}
.bottom-nav-coins{font-size:.6rem;background:#fff8e6;color:#92640a;border:1px solid #f0d080;border-radius:10px;padding:1px 5px;font-weight:700;}

/* Layout */
.container{max-width:1100px;margin:0 auto;padding:0 1.25rem;}
.page{padding:1.5rem 0 2rem;min-height:calc(100vh - var(--nav-h));}
.page-header{margin-bottom:1.25rem;}.page-header h2{margin-bottom:.2rem;}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;}
.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem;}

/* Profile Cards */
.profile-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:1rem;}
.profile-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .2s;cursor:pointer;border:1px solid var(--border);}
.profile-card:hover{transform:translateY(-3px);}
.profile-card-img{width:100%;aspect-ratio:3/4;background:linear-gradient(135deg,#f8d7de,#fce7f3);display:flex;align-items:center;justify-content:center;overflow:hidden;}
.profile-card-img img{width:100%;height:100%;object-fit:cover;}
.profile-card-placeholder{font-size:3rem;}
.profile-card-body{padding:.75rem;}
.profile-card-name{font-weight:600;font-size:.9rem;color:var(--text);}
.profile-card-meta{font-size:.75rem;color:var(--text-muted);margin-top:2px;}

/* Avatar */
.avatar{width:42px;height:42px;border-radius:50%;background:var(--primary-light);display:flex;align-items:center;justify-content:center;font-weight:600;color:var(--primary);font-size:.9rem;flex-shrink:0;overflow:hidden;}
.avatar img{width:100%;height:100%;object-fit:cover;}
.avatar-lg{width:80px;height:80px;font-size:1.5rem;}
.avatar-xl{width:110px;height:110px;font-size:2.2rem;}

/* Badge */
.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:20px;font-size:.7rem;font-weight:600;}
.badge-success{background:#dcfce7;color:#15803d;}.badge-danger{background:#fee2e2;color:#b91c1c;}
.badge-warning{background:#fef9c3;color:#92400e;}.badge-info{background:#dbeafe;color:#1e40af;}.badge-muted{background:#f1f5f9;color:#64748b;}

/* Chat */
.chat-layout{display:grid;grid-template-columns:300px 1fr;height:calc(100vh - var(--nav-h));overflow:hidden;}
.conv-list{border-right:1px solid var(--border);overflow-y:auto;background:#fff;}
.conv-item{padding:.875rem 1rem;border-bottom:1px solid var(--border);cursor:pointer;transition:background .18s;display:flex;align-items:center;gap:10px;}
.conv-item:hover,.conv-item.active{background:var(--primary-light);}
.conv-item-name{font-weight:600;font-size:.85rem;color:var(--text);}
.conv-item-preview{font-size:.75rem;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:160px;}
.unread-dot{width:8px;height:8px;border-radius:50%;background:var(--primary);margin-left:auto;flex-shrink:0;}
.chat-area{display:flex;flex-direction:column;height:100%;overflow:hidden;}
.chat-header{padding:.875rem 1rem;border-bottom:1px solid var(--border);background:#fff;display:flex;align-items:center;gap:10px;flex-shrink:0;}
.chat-messages{flex:1;overflow-y:auto;padding:1rem;display:flex;flex-direction:column;gap:8px;-webkit-overflow-scrolling:touch;}
.chat-input-area{padding:.75rem 1rem;border-top:1px solid var(--border);background:#fff;display:flex;gap:8px;flex-shrink:0;}
.chat-input{flex:1;padding:10px 14px;border:1.5px solid var(--border);border-radius:22px;outline:none;font-size:.9rem;resize:none;font-family:inherit;}
.chat-input:focus{border-color:var(--primary);}
.msg-bubble{max-width:68%;padding:9px 13px;border-radius:18px;font-size:.875rem;line-height:1.5;word-break:break-word;}
.msg-out{background:var(--primary);color:#fff;align-self:flex-end;border-bottom-right-radius:4px;}
.msg-in{background:#f1f1f4;color:var(--text);align-self:flex-start;border-bottom-left-radius:4px;}
.msg-meta{font-size:.68rem;opacity:.6;margin-top:3px;}

/* Coins */
.coin-pkg{border:1.5px solid var(--border);border-radius:var(--radius);padding:1.25rem 1rem;text-align:center;cursor:pointer;transition:all .18s;background:#fff;position:relative;}
.coin-pkg:hover,.coin-pkg.selected{border-color:var(--primary);background:var(--primary-light);}
.coin-pkg.popular{border-color:var(--coin);}
.coin-pkg-amount{font-size:1.8rem;font-weight:700;color:var(--primary);}
.coin-pkg-price{font-size:1rem;color:var(--text);font-weight:600;margin-top:4px;}
.coin-pkg-label{font-size:.75rem;color:var(--text-muted);}
.popular-badge{position:absolute;top:-10px;left:50%;transform:translateX(-50%);background:var(--coin);color:#fff;font-size:.65rem;font-weight:700;padding:2px 10px;border-radius:20px;white-space:nowrap;}

/* Auth */
.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#fff0f3,#fce7f3);padding:1.5rem;}
.auth-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:2rem;width:100%;max-width:420px;}
.auth-logo{text-align:center;margin-bottom:1.5rem;font-size:1.7rem;font-weight:700;color:var(--primary);}

/* Toast */
#toast-container{position:fixed;bottom:1.5rem;right:1rem;z-index:9999;display:flex;flex-direction:column;gap:8px;max-width:calc(100vw - 2rem);}
.toast{background:var(--secondary);color:#fff;padding:11px 16px;border-radius:var(--radius-sm);font-size:.85rem;box-shadow:var(--shadow-lg);animation:slideIn .25s ease;}
.toast.success{background:#15803d;}.toast.error{background:var(--danger);}.toast.warning{background:#d97706;}
@keyframes slideIn{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:translateY(0);}}

/* Alert */
.alert{padding:11px 14px;border-radius:var(--radius-sm);font-size:.85rem;margin-bottom:1rem;}
.alert-info{background:#dbeafe;color:#1e40af;border-left:3px solid #3b82f6;}
.alert-success{background:#dcfce7;color:#15803d;border-left:3px solid #22c55e;}
.alert-warning{background:#fef9c3;color:#92400e;border-left:3px solid #f59e0b;}
.alert-danger{background:#fee2e2;color:#b91c1c;border-left:3px solid #ef4444;}

/* Misc */
.spinner{width:24px;height:24px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite;}
@keyframes spin{to{transform:rotate(360deg);}}
.loading-overlay{display:flex;justify-content:center;padding:3rem;}
.section-title{font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin-bottom:.75rem;}
.profile-hero{display:flex;gap:1.5rem;align-items:flex-start;margin-bottom:1.5rem;}
.profile-hero-pics{flex-shrink:0;}
.profile-hero-main{width:240px;height:310px;border-radius:var(--radius);overflow:hidden;background:var(--primary-light);display:flex;align-items:center;justify-content:center;font-size:5rem;}
.profile-hero-main img{width:100%;height:100%;object-fit:cover;}
.tabs{display:flex;gap:2px;border-bottom:1px solid var(--border);margin-bottom:1.25rem;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;}
.tabs::-webkit-scrollbar{display:none;}
.tab{padding:8px 14px;font-size:.85rem;cursor:pointer;border:none;background:none;color:var(--text-muted);border-bottom:2px solid transparent;margin-bottom:-1px;transition:all .18s;white-space:nowrap;flex-shrink:0;}
.tab.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600;}
.search-bar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:1.25rem;}
.search-input{flex:1;min-width:140px;}
.verify-banner{background:#fef9c3;border:1px solid #f0d080;border-radius:var(--radius-sm);padding:10px 14px;display:flex;align-items:center;gap:8px;font-size:.82rem;color:#78350f;margin-bottom:1.25rem;}
.empty-state{text-align:center;padding:3rem 1.5rem;color:var(--text-muted);}
.empty-state-icon{font-size:2.5rem;margin-bottom:.75rem;}

/* iPhone safe area (notch / home bar) */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  .bottom-nav {
    padding-bottom: env(safe-area-inset-bottom);
    height: calc(60px + env(safe-area-inset-bottom));
  }
  @media (max-width: 768px) {
    .page {
      padding-bottom: calc(60px + env(safe-area-inset-bottom) + 2rem) !important;
    }
    .chat-layout {
      height: calc(100vh - 56px - 60px - env(safe-area-inset-bottom)) !important;
    }
  }
}