@font-face{font-family:Vazirmatn;src:local("Vazirmatn")} :root{--primary:#6366f1;--primary-dark:#4f46e5;--success:#10b981;--danger:#ef4444;--bg:#f8fafc;--card:#fff;--text:#1e293b;--muted:#64748b;--border:#e2e8f0;--shadow:0 1px 4px #0001}*{box-sizing:border-box}body{margin:0;font-family:Vazirmatn,Tahoma,sans-serif;background:var(--bg);color:var(--text)}button,input,textarea,select{font-family:inherit}.hidden{display:none!important}.center-page{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary),var(--primary-dark))}.login-card{background:#fff;padding:28px;border-radius:22px;width:92%;max-width:360px;text-align:center;box-shadow:0 20px 40px #0002}.logo{font-size:52px}.login-card input{width:100%;padding:14px;border:1px solid var(--border);border-radius:12px;text-align:center;font-size:24px;letter-spacing:8px}.login-card button,.btn-primary{background:var(--primary);color:#fff;border:0;border-radius:12px;padding:12px 16px;font-weight:700;cursor:pointer}.login-card button{width:100%;margin-top:12px}.error{color:var(--danger)}#main-app{padding-bottom:82px;min-height:100vh}.app-header{position:sticky;top:0;z-index:10;background:var(--primary);color:#fff;padding:14px 16px;display:flex;justify-content:space-between;align-items:center}.app-header small{display:block;opacity:.9}.pages-container{padding:14px;max-width:800px;margin:auto}.page-content{display:none}.page-content.active{display:block}.progress-card,.settings-group,.item-card,.calendar-header{background:var(--card);border-radius:16px;padding:14px;margin-bottom:14px;box-shadow:var(--shadow)}.progress-info,.section-header,.page-header,.calendar-header{display:flex;align-items:center;justify-content:space-between}.progress-bar{height:9px;background:var(--border);border-radius:999px;overflow:hidden}.progress-bar div{height:100%;background:var(--success);width:0;transition:.2s}.btn-add{border:0;background:var(--primary);color:#fff;border-radius:999px;min-width:36px;height:36px;padding:0 12px;font-size:18px}.items-list{display:grid;gap:10px}.item-card{display:flex;gap:12px;align-items:center;margin:0}.checkbox{width:28px;height:28px;border:2px solid var(--border);border-radius:50%;display:grid;place-items:center;cursor:pointer;flex:0 0 auto}.checkbox.checked{background:var(--success);border-color:var(--success);color:white}.item-content{flex:1}.item-title{font-weight:700}.completed{text-decoration:line-through;color:var(--muted)}.item-meta{font-size:12px;color:var(--muted)}.item-actions button{border:0;background:transparent;font-size:18px;cursor:pointer}.bottom-nav{position:fixed;bottom:0;left:0;right:0;background:white;box-shadow:0 -2px 8px #0001;display:flex;justify-content:space-around;z-index:20}.nav-btn{border:0;background:transparent;color:var(--muted);padding:8px 4px;display:flex;flex-direction:column;align-items:center;gap:2px;min-width:58px}.nav-btn.active{color:var(--primary);font-weight:700}.nav-btn span{font-size:11px}.modal-overlay{position:fixed;inset:0;background:#0008;display:grid;place-items:center;z-index:50;padding:18px}.modal{background:white;border-radius:18px;padding:18px;width:100%;max-width:440px;max-height:90vh;overflow:auto}.modal-actions{display:flex;gap:10px;margin-top:16px}.btn-secondary{background:#f1f5f9;color:var(--text);border:0;border-radius:12px;padding:12px 16px;flex:1}.btn-primary{flex:1}.form-group{margin-bottom:12px}.form-group label{display:block;margin-bottom:6px;font-weight:700;font-size:14px}.form-group input,.form-group textarea,.form-group select{width:100%;padding:11px;border:1px solid var(--border);border-radius:12px}.settings-btn{display:block;width:100%;text-align:right;margin-top:8px;padding:12px;border:1px solid var(--border);background:#fff;border-radius:12px}.danger{color:var(--danger)!important;background:#fff5f5!important}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}.cal-head{font-size:12px;color:var(--muted);text-align:center}.cal-day{aspect-ratio:1;background:white;border-radius:12px;display:grid;place-items:center;box-shadow:var(--shadow);position:relative;cursor:pointer}.cal-day.today{background:var(--primary);color:white}.cal-day.selected{outline:3px solid #f59e0b}.dot{position:absolute;bottom:6px;width:5px;height:5px;background:var(--success);border-radius:50%}.toast{position:fixed;bottom:96px;left:50%;transform:translate(-50%,50px);background:#111827;color:white;padding:10px 16px;border-radius:999px;opacity:0;transition:.2s;z-index:70}.toast.show{opacity:1;transform:translate(-50%,0)}.empty{color:var(--muted);text-align:center;padding:24px;background:white;border-radius:16px}