:root {
  --primary: #64748B; --primary-hover: #475569; --secondary: #94A3B8;
  --accent: #F59E0B; --accent-hover: #D97706; --success: #10B981; --error: #EF4444;
  --bg: #0F1117; --bg-elevated: #1A1D27; --bg-card: #222633;
  --bg-input: #161822; --text: #E2E8F0; --text-muted: #94A3B8; --text-dim: #475569;
  --border: #2D3348; --border-hover: #3D4560; --radius: 12px; --radius-sm: 8px;
  --font: 'Inter', system-ui, sans-serif; --transition: 200ms ease;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh;overflow:hidden}
.app{display:flex;flex-direction:column;height:100vh}

.header{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:var(--bg-elevated);border-bottom:1px solid var(--border);gap:12px;flex-shrink:0}
.header-left{display:flex;align-items:center;gap:12px}
.logo{font-size:1.4rem}
.header-title{font-size:1.1rem;font-weight:700;background:linear-gradient(135deg,var(--secondary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.header-badge{font-size:.7rem;font-weight:600;padding:3px 10px;background:rgba(245,158,11,.1);border:1px solid rgba(245,158,11,.2);border-radius:20px;color:var(--accent)}
.header-right{display:flex;align-items:center;gap:8px}

.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;font-size:.8rem;font-weight:500;font-family:var(--font);border:none;border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition);white-space:nowrap}
.btn:disabled{opacity:.4;cursor:not-allowed}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-hover));color:#fff;box-shadow:0 2px 8px rgba(245,158,11,.3)}
.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 16px rgba(245,158,11,.4)}
.btn-ghost{background:transparent;color:var(--text-muted);border:1px solid var(--border)}
.btn-ghost:hover{background:var(--bg-card);color:var(--text);border-color:var(--border-hover)}
.btn-sm{padding:5px 10px;font-size:.75rem}
.btn-full{width:100%;justify-content:center;margin-top:12px}

.main{display:grid;grid-template-columns:1fr 1fr;flex:1;overflow:hidden;gap:1px;background:var(--border)}
.panel{display:flex;flex-direction:column;background:var(--bg);overflow-y:auto;padding:20px;gap:16px}
.panel-title{font-size:.95rem;font-weight:600;color:var(--text)}

.date-display{font-size:.8rem;color:var(--text-muted)}

.mood-selector{display:flex;gap:12px;justify-content:center}
.mood-btn{width:56px;height:56px;font-size:1.8rem;background:var(--bg-card);border:2px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:all var(--transition);display:flex;align-items:center;justify-content:center;position:relative}
.mood-btn:hover{transform:scale(1.1);border-color:var(--accent)}
.mood-btn.active{border-color:var(--accent);background:rgba(245,158,11,.1);transform:scale(1.15);box-shadow:0 0 16px rgba(245,158,11,.3)}
.mood-btn::after{content:attr(data-label);position:absolute;bottom:-18px;left:50%;transform:translateX(-50%);font-size:.6rem;color:var(--text-dim);font-family:var(--font);white-space:nowrap}

.tags-section{margin-top:8px}
.tags-title{font-size:.72rem;font-weight:600;color:var(--text-muted);margin-bottom:8px}
.tags{display:flex;flex-wrap:wrap;gap:6px}
.tag{padding:5px 10px;font-size:.72rem;font-family:var(--font);background:var(--bg-card);border:1px solid var(--border);border-radius:20px;color:var(--text-muted);cursor:pointer;transition:all var(--transition)}
.tag:hover{border-color:var(--accent);color:var(--text)}
.tag.active{background:rgba(245,158,11,.1);border-color:var(--accent);color:var(--accent)}

.gratitude-prompt{padding:12px 16px;background:linear-gradient(135deg,rgba(245,158,11,.05),rgba(100,116,139,.05));border:1px solid var(--border);border-radius:var(--radius-sm)}
.gratitude-prompt h4{font-size:.75rem;font-weight:600;color:var(--accent);margin-bottom:4px}
.gratitude-prompt p{font-size:.8rem;color:var(--text-muted);font-style:italic}

.journal-input{width:100%;padding:12px;font-size:.85rem;font-family:var(--font);background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);resize:vertical;outline:none;line-height:1.6;transition:border-color var(--transition)}
.journal-input:focus{border-color:var(--accent)}

.input{width:100%;padding:8px 12px;font-size:.8rem;font-family:var(--font);background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);outline:none}
.input:focus{border-color:var(--accent)}

.search-panel{margin-top:12px}
.search-results{margin-top:8px;max-height:200px;overflow-y:auto}
.search-result{padding:8px 10px;background:var(--bg-card);border:1px solid var(--border);border-radius:6px;margin-bottom:4px;font-size:.75rem;color:var(--text-muted)}
.search-result strong{color:var(--text)}

.section-label{font-size:.72rem;font-weight:600;color:var(--text-dim);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px}

.calendar-section{margin-bottom:12px}
.calendar-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.calendar-header span{font-size:.8rem;font-weight:600;color:var(--text-muted)}
.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:3px}
.cal-day{width:100%;aspect-ratio:1;display:flex;align-items:center;justify-content:center;font-size:.6rem;border-radius:4px;color:var(--text-dim);background:var(--bg-card);border:1px solid transparent}
.cal-day.today{border-color:var(--accent)}
.cal-day.mood-1{background:#7f1d1d}.cal-day.mood-2{background:#78350f}
.cal-day.mood-3{background:#3f3f46}.cal-day.mood-4{background:#14532d}
.cal-day.mood-5{background:#064e3b;color:#10b981}
.cal-day.empty{background:transparent}

.chart-section{margin-bottom:16px}
#chart{width:100%;height:120px;border-radius:var(--radius-sm);background:var(--bg-card);border:1px solid var(--border)}

.recent-entries{display:flex;flex-direction:column;gap:6px}
.entry-card{padding:10px 14px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);transition:all var(--transition)}
.entry-card:hover{border-color:var(--border-hover)}
.entry-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:4px}
.entry-date{font-size:.7rem;color:var(--text-dim)}
.entry-mood{font-size:1.1rem}
.entry-tags{display:flex;gap:4px;flex-wrap:wrap;margin-bottom:4px}
.entry-tag{font-size:.6rem;padding:1px 6px;background:var(--bg);border-radius:10px;color:var(--text-dim)}
.entry-text{font-size:.75rem;color:var(--text-muted);line-height:1.5;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}

.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);padding:10px 20px;background:var(--bg-card);border:1px solid var(--accent);border-radius:var(--radius-sm);color:var(--accent);font-size:.8rem;font-weight:500;box-shadow:var(--shadow);z-index:200;animation:toast-in .3s ease}
@keyframes toast-in{from{opacity:0;transform:translateX(-50%) translateY(10px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}
::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
@media(max-width:768px){.main{grid-template-columns:1fr;grid-template-rows:1fr 1fr}.header{flex-wrap:wrap;gap:8px}.header-right{width:100%;justify-content:flex-end}.mood-selector{gap:8px}.mood-btn{width:48px;height:48px;font-size:1.4rem}}