:root { --primary:#E07A3A; --primary-dark:#C4652E; --secondary:#1E293B; --navy:#273549; --bg:#fafaf9; --card:#fff; --text:#2c2c2c; --text-light:#64748b; --text-muted:#a8a29e; --border:#e7e5e4; --radius:12px; --shadow:0 2px 12px rgba(0,0,0,0.06); }
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Segoe UI',system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
a{color:var(--primary);text-decoration:none}
.app-nav{background:var(--secondary);padding:12px 24px;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:100}
.app-nav .brand{color:#fff;font-size:1.1rem;font-weight:700}
.app-nav .brand span{color:var(--primary)}
.app-nav .nav-right{display:flex;gap:16px;align-items:center}
.app-nav a,.app-nav button{color:rgba(255,255,255,0.7);font-size:0.85rem;background:none;border:none;cursor:pointer;font-family:inherit}
.app-nav a:hover,.app-nav button:hover{color:#fff}
.tab-bar{display:flex;background:var(--card);border-bottom:1px solid var(--border);overflow-x:auto}
.tab{padding:12px 24px;font-size:0.9rem;color:var(--text-light);cursor:pointer;border-bottom:2px solid transparent;white-space:nowrap;background:none;border-top:none;border-left:none;border-right:none;font-family:inherit}
.tab.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}
.view{display:none;padding:24px;max-width:900px;margin:0 auto}
.view.active{display:block}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;margin-bottom:20px;box-shadow:var(--shadow)}
.btn{display:inline-block;padding:10px 24px;border-radius:8px;font-weight:600;font-size:0.9rem;border:none;cursor:pointer;transition:all 0.2s;text-align:center;font-family:inherit}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark)}
.btn-sm{padding:6px 14px;font-size:0.8rem}
.btn-outline{border:1px solid var(--border);color:var(--text);background:transparent}
.btn-block{width:100%;display:block}
input,select,textarea{padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:0.9rem;font-family:inherit;width:100%;box-sizing:border-box}
input:focus,select:focus{outline:none;border-color:var(--primary)}
label{display:block;font-weight:600;font-size:0.85rem;margin-bottom:4px;color:var(--text)}
.form-group{margin-bottom:16px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* Dashboard */
.countdown-hero{text-align:center;padding:40px 24px;background:linear-gradient(135deg,var(--secondary),var(--navy));border-radius:var(--radius);color:#fff;margin-bottom:24px}
.cd-days{font-size:5rem;font-weight:800;color:var(--primary);line-height:1}
.cd-label{font-size:1.2rem;color:rgba(255,255,255,0.7);margin:8px 0 20px}
.cd-progress{height:8px;background:rgba(255,255,255,0.15);border-radius:4px;max-width:400px;margin:0 auto}
.cd-progress-fill{height:100%;background:var(--primary);border-radius:4px;transition:width 0.5s}
.cd-phase{font-size:0.85rem;color:rgba(255,255,255,0.5);margin-top:8px}
.cost-widget{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;text-align:center}
.cost-widget .val{font-size:1.5rem;font-weight:700;color:var(--secondary)}
.cost-widget .val.savings{color:#16a34a}
.cost-widget .lbl{font-size:0.8rem;color:var(--text-muted)}

/* Timeline */
.timeline{position:relative;padding-left:32px}
.timeline::before{content:'';position:absolute;left:12px;top:0;bottom:0;width:2px;background:var(--border)}
.phase-group{margin-bottom:32px}
.phase-title{font-size:1rem;font-weight:700;color:var(--primary);margin-bottom:12px;position:relative}
.phase-title::before{content:'';position:absolute;left:-26px;top:4px;width:12px;height:12px;border-radius:50%;background:var(--primary)}
.milestone-item{background:var(--card);border:1px solid var(--border);border-radius:8px;padding:14px 16px;margin-bottom:8px;display:flex;align-items:flex-start;gap:12px;transition:all 0.2s}
.milestone-item.completed{opacity:0.6}
.milestone-item.completed .m-title{text-decoration:line-through}
.m-check{width:22px;height:22px;border:2px solid var(--border);border-radius:6px;cursor:pointer;flex-shrink:0;display:flex;align-items:center;justify-content:center;margin-top:2px;transition:all 0.2s}
.m-check.checked{background:var(--primary);border-color:var(--primary);color:#fff;font-size:12px}
.m-content{flex:1}
.m-title{font-weight:600;font-size:0.95rem}
.m-desc{font-size:0.85rem;color:var(--text-light);margin-top:2px}
.m-due{font-size:0.75rem;color:var(--text-muted);margin-top:4px}
.m-notes{margin-top:8px}
.m-notes textarea{font-size:0.85rem;resize:vertical;min-height:60px}
.pro-gate{text-align:center;padding:40px;background:rgba(224,122,58,0.05);border:2px dashed var(--primary);border-radius:var(--radius);margin:20px 0}
.pro-gate h3{color:var(--primary);margin-bottom:8px}

/* Compare */
.compare-grid{display:grid;gap:16px}
.compare-row{display:grid;grid-template-columns:150px repeat(var(--cols,2),1fr);gap:8px;align-items:center;padding:8px 0;border-bottom:1px solid var(--border)}
.compare-row.header{font-weight:700;border-bottom:2px solid var(--border)}
.compare-bar{height:8px;background:var(--border);border-radius:4px}
.compare-bar-fill{height:100%;background:var(--primary);border-radius:4px}

/* Auth */
.auth-page{min-height:80vh;display:flex;align-items:center;justify-content:center;padding:24px}
.auth-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:40px;max-width:400px;width:100%;box-shadow:var(--shadow)}
.auth-card h2{text-align:center;margin-bottom:24px;color:var(--secondary)}
.auth-toggle{text-align:center;margin-top:16px;font-size:0.9rem;color:var(--text-light)}

@media(max-width:768px){.form-row{grid-template-columns:1fr}.cd-days{font-size:3.5rem}.cost-widget{grid-template-columns:1fr}.tab{padding:10px 16px;font-size:0.8rem}}