:root{--color-bg: #f8fafc;--color-surface: #ffffff;--color-border: #e2e8f0;--color-text: #0f172a;--color-muted: #64748b;--color-primary: #2563eb;--color-primary-dark: #1d4ed8;--color-danger: #dc2626;--radius: 10px;--shadow: 0 1px 3px rgba(15, 23, 42, .08)}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--color-bg);color:var(--color-text)}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}.app-shell{min-height:100vh;display:flex;flex-direction:column}.app-main{flex:1;max-width:1100px;width:100%;margin:0 auto;padding:16px}.page{display:flex;flex-direction:column;gap:24px}.navbar{background:var(--color-surface);border-bottom:1px solid var(--color-border);display:flex;flex-wrap:wrap;align-items:center;gap:12px 24px;padding:12px 16px;position:sticky;top:0;z-index:10}.navbar-brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:1.1rem}.navbar-title{color:var(--color-primary)}.navbar-links{display:flex;flex-wrap:wrap;gap:4px 16px;flex:1}.navbar-links a,.navbar-user a{color:var(--color-text);padding:6px 4px;border-bottom:2px solid transparent;font-size:.95rem}.navbar-links a.active,.navbar-user a.active{color:var(--color-primary);border-bottom-color:var(--color-primary)}.navbar-user{display:flex;align-items:center;gap:12px;margin-left:auto}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}.section-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px}.tag-row{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}.tag{display:inline-block;border:1px solid transparent;border-radius:999px;padding:2px 10px;font-size:.78rem;font-weight:600;white-space:nowrap}.muted{color:var(--color-muted);font-size:.9rem}.btn-primary{background:var(--color-primary);color:#fff;border:none;border-radius:var(--radius);padding:10px 16px;font-weight:600;cursor:pointer}.btn-primary:hover{background:var(--color-primary-dark)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-link{background:none;border:none;color:var(--color-primary);cursor:pointer;padding:4px 0;font-size:.9rem;text-align:left}.btn-link.btn-danger{color:var(--color-danger)}.form{display:flex;flex-direction:column;gap:12px}.form label{display:flex;flex-direction:column;gap:4px;font-size:.9rem;font-weight:600;color:var(--color-text)}.form input,.form select,.form textarea{border:1px solid var(--color-border);border-radius:8px;padding:8px 10px;font-size:.95rem;font-family:inherit}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}.password-field{position:relative;display:flex}.password-field input{width:100%;padding-right:40px}.password-field-toggle{position:absolute;right:4px;top:50%;transform:translateY(-50%);background:none;border:none;padding:6px;display:flex;align-items:center;justify-content:center;color:var(--color-muted);cursor:pointer}.password-field-toggle:hover{color:var(--color-text)}.form-error{color:var(--color-danger);font-size:.88rem}.form-info{color:#15803d;font-size:.88rem}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px}.auth-card{background:var(--color-surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:32px;width:100%;max-width:380px}.auth-subtitle{color:var(--color-muted);margin-top:-8px}.auth-note{color:var(--color-muted);font-size:.8rem;margin-top:16px}.hero{background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff;border-radius:var(--radius);padding:24px}.hero h1{margin:0 0 8px}.hero-subtitle{opacity:.9}.hero-countdown{margin-top:12px;font-weight:700;font-size:1.1rem}.stopover-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}.stopover-card{border-top:4px solid;display:block;color:inherit}.stopover-card:hover{text-decoration:none;box-shadow:0 2px 8px #0f172a24}.upcoming-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:8px}.upcoming-list li{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.filters{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.filters select{border:1px solid var(--color-border);border-radius:8px;padding:8px 10px}.view-toggle{display:flex;border:1px solid var(--color-border);border-radius:8px;overflow:hidden}.view-toggle button{border:none;background:var(--color-surface);padding:6px 14px;cursor:pointer}.view-toggle button.active{background:var(--color-primary);color:#fff}.chip,.active-chip{border:1px solid var(--color-border);border-radius:999px;padding:6px 12px;background:var(--color-surface);cursor:pointer;font-size:.85rem}.active-chip{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.agenda-list{display:flex;flex-direction:column;gap:20px}.agenda-day h3{text-transform:capitalize;margin-bottom:8px}.agenda-day-items{display:flex;flex-direction:column;gap:10px}.activity-card{display:flex;gap:12px}.activity-card-time{font-weight:700;min-width:90px;color:var(--color-primary)}.activity-card-body{flex:1;display:flex;flex-direction:column;gap:4px}.activity-card-header{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.activity-card-desc{margin:4px 0}.calendar-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;text-transform:capitalize}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}.calendar-weekday{text-align:center;font-size:.75rem;color:var(--color-muted);padding:4px 0}.calendar-cell{aspect-ratio:1;border:1px solid var(--color-border);border-radius:8px;background:var(--color-surface);cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:.85rem}.calendar-cell-empty{border:none;background:transparent;cursor:default}.calendar-cell.has-activities{border-color:var(--color-primary);font-weight:700}.calendar-cell.selected{background:var(--color-primary);color:#fff}.calendar-day-count{font-size:.7rem;background:var(--color-primary);color:#fff;border-radius:999px;padding:0 6px}.calendar-cell.selected .calendar-day-count{background:#fff;color:var(--color-primary)}.calendar-day-detail{margin-top:16px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:16px}.calendar-day-detail h3{text-transform:capitalize}.stopover-list{display:flex;flex-direction:column;gap:16px}.stopover-detail{border-left:4px solid}.link-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:6px}.link-list li{display:flex;align-items:center;gap:8px}.flight-list{display:flex;flex-direction:column;gap:12px}.flight-card-header{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}.flight-card-times{display:flex;gap:8px;align-items:center;margin:6px 0}.flight-card-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:8px}.link-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}.phrase-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px;margin:12px 0 24px}.phrase-card{border-top:4px solid;text-align:center}.phrase-english{font-weight:600;font-size:.85rem;color:var(--color-muted)}.phrase-local{font-size:1.4rem;font-weight:700;margin:6px 0 2px;font-family:Noto Sans Khmer,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.phrase-phonetic{font-size:.85rem;font-style:italic}.thread-list{display:flex;flex-direction:column;gap:10px}.thread-card{display:block;color:inherit}.thread-card:hover{text-decoration:none;box-shadow:0 2px 8px #0f172a24}.message-list{display:flex;flex-direction:column;gap:10px}.message-card-header{display:flex;justify-content:space-between;margin-bottom:4px}.user-table{width:100%;border-collapse:collapse;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);overflow:hidden}.user-table th,.user-table td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--color-border);font-size:.9rem}.page-loading{padding:40px;text-align:center;color:var(--color-muted)}@media (max-width: 640px){.navbar{flex-direction:column;align-items:flex-start}.navbar-user{margin-left:0}.app-main{padding:12px}.activity-card{flex-direction:column;gap:4px}}