*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --lavender:#ede9fe;--lavender2:#ddd6fe;--purple:#7c3aed;--purple2:#6d28d9;
  --mint:#d1fae5;--teal:#059669;--rose:#fce7f3;--pink:#ec4899;
  --amber:#fef3c7;--orange:#d97706;
  --bg:#faf9ff;--surface:#fff;--ink:#1e1b2e;--muted:#6b7280;--border:#e5e7eb;
  --font:'Fraunces',serif;--sans:'Nunito',sans-serif;--mono:'Courier Prime',monospace;
}
[data-theme="dark"]{
  --bg:#0f0d1a;--surface:#1a1730;--ink:#f0eeff;--muted:#9ca3af;--border:#2d2a45;
  --lavender:#1e1a35;--lavender2:#2d2a4a;
}
body{font-family:var(--sans);background:var(--bg);color:var(--ink);min-height:100vh;transition:background 0.4s,color 0.4s;overflow-x:hidden}

/* BACKGROUND WAVES */
.bg-wave{position:fixed;pointer-events:none;z-index:0;opacity:0.4}
.bg-wave1{top:-100px;right:-200px;width:600px;height:600px;background:radial-gradient(circle,#ede9fe,transparent 70%)}
.bg-wave2{bottom:-100px;left:-150px;width:500px;height:500px;background:radial-gradient(circle,#d1fae5,transparent 70%)}
[data-theme="dark"] .bg-wave1{background:radial-gradient(circle,rgba(124,58,237,0.15),transparent 70%)}
[data-theme="dark"] .bg-wave2{background:radial-gradient(circle,rgba(5,150,105,0.1),transparent 70%)}

/* NAV */
nav{position:sticky;top:0;z-index:100;background:rgba(250,249,255,0.9);backdrop-filter:blur(20px);border-bottom:1px solid var(--border);padding:0 40px;height:64px;display:flex;align-items:center;justify-content:space-between;transition:background 0.4s}
[data-theme="dark"] nav{background:rgba(15,13,26,0.9)}
.nav-logo{display:flex;align-items:center;gap:10px;font-family:var(--font);font-size:22px;font-weight:500;font-style:italic;color:var(--purple)}
.nav-logo .pulse-dot{width:10px;height:10px;background:var(--pink);border-radius:50%;animation:pulse-ring 2s ease-in-out infinite}
@keyframes pulse-ring{0%,100%{box-shadow:0 0 0 0 rgba(236,72,153,0.4)}50%{box-shadow:0 0 0 8px rgba(236,72,153,0)}}
.nav-r{display:flex;align-items:center;gap:10px}
.settings-btn{background:var(--lavender);border:none;color:var(--purple);width:38px;height:38px;border-radius:50%;cursor:pointer;font-size:16px;transition:all 0.3s;display:flex;align-items:center;justify-content:center}
.settings-btn:hover{background:var(--lavender2);transform:rotate(60deg)}
.connect-btn{background:linear-gradient(135deg,var(--purple),var(--pink));color:white;border:none;padding:10px 22px;border-radius:100px;font-family:var(--sans);font-size:13px;font-weight:700;cursor:pointer;text-decoration:none;display:inline-block;transition:all 0.3s;box-shadow:0 4px 16px rgba(124,58,237,0.25)}
.connect-btn:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(124,58,237,0.35)}

/* HERO */
.hero{position:relative;z-index:1;padding:60px 40px 40px;max-width:800px;margin:0 auto;text-align:center}
.hero-pill{display:inline-flex;align-items:center;gap:8px;background:var(--lavender);color:var(--purple);padding:8px 18px;border-radius:100px;font-size:13px;font-weight:600;margin-bottom:24px}
h1{font-family:var(--font);font-size:clamp(40px,6vw,70px);font-weight:500;line-height:1.1;margin-bottom:16px;color:var(--ink)}
h1 em{font-style:italic;color:var(--purple)}
.hero-sub{font-size:17px;color:var(--muted);line-height:1.7;max-width:480px;margin:0 auto 36px;font-weight:400}
.hero-tags{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.hero-tag{background:var(--surface);border:1px solid var(--border);padding:6px 14px;border-radius:100px;font-size:12px;color:var(--muted);font-weight:500}

/* MAIN */
.main{position:relative;z-index:1;max-width:900px;margin:40px auto;padding:0 40px}
.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.section-title{font-family:var(--font);font-size:24px;font-weight:500;font-style:italic}
.section-count{background:var(--lavender);color:var(--purple);font-size:12px;font-family:var(--mono);padding:4px 12px;border-radius:100px}

/* LOG FORM */
.log-form{background:var(--surface);border:1px solid var(--border);border-radius:24px;padding:32px;margin-bottom:32px;box-shadow:0 4px 32px rgba(124,58,237,0.06);transition:background 0.4s,border-color 0.4s}
.form-date-row{display:flex;gap:12px;margin-bottom:24px;align-items:center;font-family:var(--mono);font-size:13px;color:var(--muted)}
.form-date-row input[type="date"],
.form-date-row input[type="time"]{background:var(--lavender);border:none;color:var(--purple);padding:8px 14px;border-radius:100px;font-family:var(--mono);font-size:13px;outline:none;cursor:pointer}

/* SYMPTOM SELECTOR */
.symptom-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:8px;margin-bottom:20px}
.sym-chip{background:var(--bg);border:1.5px solid var(--border);border-radius:12px;padding:10px 14px;cursor:pointer;transition:all 0.2s;font-size:13px;font-weight:600;text-align:center;display:flex;align-items:center;gap:8px;user-select:none}
.sym-chip:hover{border-color:var(--purple);background:var(--lavender)}
.sym-chip.selected{background:var(--lavender2);border-color:var(--purple);color:var(--purple)}
.sym-chip .sym-icon{font-size:18px}

/* INTENSITY */
.intensity-section{margin-bottom:20px}
.int-label{font-size:13px;font-weight:600;color:var(--muted);margin-bottom:12px;font-family:var(--mono)}
.intensity-slider{width:100%;height:8px;-webkit-appearance:none;background:linear-gradient(90deg,#d1fae5,#fef3c7,#fce7f3,#ede9fe);border-radius:4px;outline:none;cursor:pointer}
.intensity-slider::-webkit-slider-thumb{-webkit-appearance:none;width:24px;height:24px;background:var(--purple);border-radius:50%;cursor:pointer;box-shadow:0 2px 8px rgba(124,58,237,0.4);transition:transform 0.2s}
.intensity-slider::-webkit-slider-thumb:hover{transform:scale(1.2)}
.intensity-labels{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);margin-top:6px;font-family:var(--mono)}
.intensity-value{text-align:center;margin-top:8px;font-family:var(--font);font-size:20px;font-weight:500;color:var(--purple)}

/* CONTEXT INPUTS */
.context-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:20px}
.ctx-field{display:flex;flex-direction:column;gap:6px}
.ctx-label{font-size:11px;font-family:var(--mono);color:var(--teal);letter-spacing:1px;text-transform:uppercase}
.ctx-input,.ctx-select{background:var(--mint);border:1.5px solid transparent;color:var(--ink);padding:10px 14px;border-radius:12px;font-family:var(--sans);font-size:14px;outline:none;transition:border-color 0.2s;cursor:pointer}
.ctx-input:focus,.ctx-select:focus{border-color:var(--teal)}
.notes-input{background:var(--lavender);border:1.5px solid transparent;color:var(--ink);padding:12px 16px;border-radius:12px;font-family:var(--sans);font-size:14px;outline:none;width:100%;resize:none;min-height:70px;transition:border-color 0.2s;margin-bottom:20px}
.notes-input:focus{border-color:var(--purple)}
.log-btn{width:100%;background:linear-gradient(135deg,var(--purple),var(--pink));color:white;border:none;padding:16px;border-radius:16px;font-family:var(--sans);font-size:16px;font-weight:700;cursor:pointer;transition:all 0.3s;box-shadow:0 4px 20px rgba(124,58,237,0.3)}

/* ENTRIES */
.entry-card{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:20px 24px;margin-bottom:12px;display:flex;align-items:flex-start;gap:16px;transition:all 0.2s;animation:entry-in 0.3s ease both;position:relative}
@keyframes entry-in{from{opacity:0;transform:translateX(-12px)}to{opacity:1;transform:translateX(0)}}
.entry-dot{width:12px;height:12px;border-radius:50%;flex-shrink:0;margin-top:6px}
.entry-body{flex:1}
.entry-sym{font-family:var(--font);font-size:18px;font-weight:500;font-style:italic;margin-bottom:4px}
.entry-meta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:6px}
.entry-tag{font-size:11px;font-family:var(--mono);padding:3px 10px;border-radius:100px;background:var(--lavender);color:var(--purple)}
.entry-tag.teal{background:var(--mint);color:var(--teal)}
.entry-tag.amber{background:var(--amber);color:var(--orange)}
.entry-note{font-size:13px;color:var(--muted);line-height:1.5;font-style:italic}
.entry-time{font-family:var(--mono);font-size:11px;color:var(--muted);margin-bottom:6px}
.entry-del{position:absolute;top:16px;right:16px;background:none;border:none;color:var(--muted);cursor:pointer;opacity:0;transition:opacity 0.2s;font-size:14px}
.entry-card:hover .entry-del{opacity:1}
.entry-del:hover{color:var(--pink)}

/* PATTERNS */
.patterns-card{background:linear-gradient(135deg,var(--lavender),var(--mint));border:1px solid var(--lavender2);border-radius:24px;padding:28px;margin-bottom:32px}
.patterns-title{font-family:var(--font);font-size:22px;font-weight:500;font-style:italic;margin-bottom:16px;color:var(--purple)}
.pattern-insight{background:rgba(255,255,255,0.7);border-radius:14px;padding:14px 18px;margin-bottom:10px;font-size:14px;line-height:1.6;backdrop-filter:blur(4px)}

/* EMPTY STATE */
.empty{text-align:center;padding:48px 20px;color:var(--muted)}
.empty-icon{font-size:48px;margin-bottom:16px}
.empty-text{font-family:var(--font);font-size:20px;font-style:italic;margin-bottom:8px}

/* SETTINGS SHEET */
.settings-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.4);z-index:200;display:none;backdrop-filter:blur(6px)}
.settings-overlay.open{display:block}
.settings-sheet{position:fixed;bottom:0;left:0;right:0;background:var(--surface);border-radius:28px 28px 0 0;padding:32px;max-height:80vh;overflow-y:auto;animation:sheet-up 0.35s cubic-bezier(0.4,0,0.2,1);z-index:201}
@keyframes sheet-up{from{transform:translateY(100%)}to{transform:translateY(0)}}
.sheet-handle{width:36px;height:4px;background:var(--border);border-radius:2px;margin:0 auto 24px}
.sheet-title{font-family:var(--font);font-size:26px;font-weight:500;font-style:italic;margin-bottom:24px;color:var(--purple)}
.sheet-row{display:flex;align-items:center;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--border)}
.sheet-label{font-size:15px;font-weight:600}
.sheet-sub{font-size:12px;color:var(--muted);margin-top:2px}
.toggle{width:48px;height:26px;background:var(--border);border-radius:13px;position:relative;cursor:pointer;transition:background 0.3s;border:none;flex-shrink:0}
.toggle.on{background:var(--purple)}
.toggle::after{content:'';position:absolute;width:20px;height:20px;background:white;border-radius:50%;top:3px;left:3px;transition:transform 0.3s;box-shadow:0 1px 4px rgba(0,0,0,0.2)}
.toggle.on::after{transform:translateX(22px)}

footer{position:relative;z-index:1;text-align:center;padding:32px;border-top:1px solid var(--border);font-size:12px;color:var(--muted);font-family:var(--mono)}
@media(max-width:700px){nav{padding:0 20px}.hero{padding:40px 20px 28px}.main{padding:0 20px}.context-grid{grid-template-columns:1fr}}