:root{
  --green-dark:#1B4332;--green-mid:#2D6A4F;--green-sage:#52B788;--green-mint:#D8F3DC;
  --terra:#C9785A;--dark:#1B1B1B;--light:#fff;--grey:#6B7280;--line:#E5E7EB;
  --forest:#2D6A4F;--sage:#52B788;--mint:#D8F3DC;--deep:#1B4332;
  --font-head:'Playfair Display',Georgia,serif;--font-body:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --shadow-sm:0 1px 3px rgba(27,67,50,.08);--shadow-md:0 8px 24px rgba(27,67,50,.12);--shadow-lg:0 18px 48px rgba(27,67,50,.18);
  --radius:16px;--maxw:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:var(--font-body);color:var(--dark);background:#fff;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4{font-family:var(--font-head);line-height:1.2;font-weight:700}
a{color:var(--forest);text-decoration:none}img{display:block}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.wrap-narrow{max-width:760px;margin:0 auto}
.muted{color:var(--grey)}.center{text-align:center}.sci{font-style:italic;color:var(--grey)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--font-body);font-weight:600;font-size:1rem;padding:12px 24px;border-radius:999px;border:2px solid transparent;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s,color .2s;white-space:nowrap}
.btn-sm{padding:8px 16px;font-size:.9rem}
.btn-primary{background:var(--sage);color:#fff}.btn-primary:hover{background:#429a73;transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-ghost{background:transparent;color:var(--forest);border-color:rgba(45,106,79,.35)}.btn-ghost:hover{background:var(--mint)}
.btn-dark{background:var(--deep);color:#fff}.btn-dark:hover{background:#143028}
.btn-block{width:100%}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}

/* nav */
.ppp-nav{position:fixed;top:0;left:0;right:0;z-index:1000;padding:12px 0;transition:background .3s,box-shadow .3s}
.ppp-nav.scrolled{background:rgba(255,255,255,.96);backdrop-filter:saturate(180%) blur(12px);box-shadow:0 1px 0 rgba(0,0,0,.06),0 8px 24px rgba(0,0,0,.04)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{display:inline-flex;align-items:center}.logo-img{height:38px;width:auto}
.nav-links{display:flex;align-items:center;gap:24px}
.nav-links a{font-weight:500;font-size:.93rem;color:var(--dark);position:relative}
.nav-links a.active{color:var(--forest);font-weight:600}
.nav-links a::after{content:'';position:absolute;left:0;bottom:-4px;height:2px;width:0;background:var(--sage);transition:width .25s}.nav-links a:hover::after{width:100%}
.nav-cta{display:flex;align-items:center;gap:10px}
.ppp-avatar{width:38px;height:38px;border-radius:50%;background:var(--forest);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;text-decoration:none}
.hamburger{display:none;background:none;border:none;cursor:pointer;color:var(--forest);padding:6px}
.nav-drawer{display:none;flex-direction:column;gap:6px;background:#fff;padding:14px 24px 20px;box-shadow:var(--shadow-md)}
.nav-drawer.open{display:flex}.nav-drawer a{padding:10px 0;font-weight:600;border-bottom:1px solid var(--line)}.nav-drawer .btn{margin-top:8px}
@media(max-width:900px){.nav-links{display:none}.nav-cta .btn-ghost,.nav-cta .btn-primary{display:none}.hamburger{display:block}}

/* banner + toast */
.ppp-banner{background:var(--green-mint);color:var(--deep);text-align:center;font-size:.88rem;padding:9px 16px;position:relative;z-index:1001}
.ppp-banner code{background:rgba(27,67,50,.12);padding:1px 6px;border-radius:5px;font-size:.82rem}
.ppp-toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--deep);color:#fff;padding:11px 22px;border-radius:10px;font-size:.9rem;opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;z-index:2000}
.ppp-toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* hero */
.chero{background:linear-gradient(150deg,#1B4332,#2D6A4F 55%,#40916C);color:#fff;padding:128px 0 56px}
.chero.tall{padding:150px 0 72px}
.chero h1{font-size:clamp(2rem,4.6vw,3.1rem);margin-bottom:14px}
.chero p{max-width:620px;color:rgba(255,255,255,.92);font-size:1.1rem}
.eyebrow{display:inline-block;font-size:.76rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--sage);margin-bottom:12px}

/* sections + cards */
.sec{padding:48px 0}
.sec h2{font-size:1.7rem;color:var(--forest);margin-bottom:8px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.grid{display:grid;gap:22px}
.cols-2{grid-template-columns:repeat(2,1fr)}.cols-3{grid-template-columns:repeat(3,1fr)}.cols-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.cols-3,.cols-4{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.cols-2,.cols-3,.cols-4{grid-template-columns:1fr}}

/* plant card */
.plant-card{overflow:hidden;transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column}
.plant-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.plant-card .pc-img{aspect-ratio:1/1;overflow:hidden;background:var(--mint)}
.plant-card .pc-img img{width:100%;height:100%;object-fit:cover}
.pc-body{padding:14px 16px;flex:1;display:flex;flex-direction:column;gap:6px}
.pc-body .nick{font-weight:700;font-size:1.1rem;font-family:var(--font-head);color:var(--deep)}
.pill{display:inline-flex;align-items:center;gap:5px;align-self:flex-start;background:var(--mint);color:var(--forest);font-size:.74rem;font-weight:600;padding:3px 10px;border-radius:999px}
.pc-strip{display:flex;align-items:center;gap:12px;font-size:.82rem;color:var(--grey);margin-top:auto}
.mood-dot{width:10px;height:10px;border-radius:50%;display:inline-block}
.mood-thriving{background:#2D6A4F}.mood-growing{background:#52B788}.mood-needs_love{background:#D4A82A}.mood-struggling{background:#C9605F}
.pc-actions{display:flex;gap:8px;padding:0 16px 14px}
.pc-actions button,.pc-actions a{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;background:#FAFCFA;border:1px solid var(--line);border-radius:10px;padding:8px;cursor:pointer;color:var(--forest)}
.pc-actions button:hover,.pc-actions a:hover{background:var(--mint)}

/* badges */
.badge{display:inline-flex;align-items:center;gap:5px;font-size:.74rem;font-weight:600;padding:4px 11px;border-radius:999px}
.lvl-Easy,.b-green{background:rgba(45,106,79,.14);color:var(--forest)}
.lvl-Moderate,.b-amber{background:rgba(138,109,31,.16);color:#8a6d1f}
.lvl-Demanding,.b-red{background:rgba(139,46,46,.14);color:#8b2e2e}

/* forms */
.field{margin-bottom:16px}
.field label{display:block;font-size:.85rem;font-weight:600;margin-bottom:6px;color:var(--deep)}
.input,select.input,textarea.input{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font-family:var(--font-body);font-size:1rem;background:#fff}
.input:focus{outline:none;border-color:var(--sage);box-shadow:0 0 0 3px rgba(82,183,136,.18)}
textarea.input{resize:vertical;min-height:80px}
.auth-card{max-width:430px;margin:0 auto;padding:32px}
.tabs{display:flex;gap:6px;background:#F1F5F2;border-radius:999px;padding:4px;margin-bottom:22px}
.tabs button{flex:1;border:none;background:none;padding:10px;border-radius:999px;font-weight:600;cursor:pointer;color:var(--grey)}
.tabs button.active{background:#fff;color:var(--forest);box-shadow:var(--shadow-sm)}
.divider{display:flex;align-items:center;gap:12px;color:var(--grey);font-size:.82rem;margin:18px 0}
.divider::before,.divider::after{content:'';flex:1;height:1px;background:var(--line)}
.oauth-btn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:12px;border:1px solid var(--line);border-radius:10px;background:#fff;font-weight:600;cursor:pointer}
.oauth-btn:hover{background:#FAFCFA}
.form-msg{font-size:.88rem;margin-top:8px;min-height:20px}.form-msg.err{color:#C0392B}.form-msg.ok{color:var(--forest)}

/* modal */
.modal-overlay{position:fixed;inset:0;background:rgba(15,20,17,.55);z-index:1500;display:none;align-items:center;justify-content:center;padding:20px}
.modal-overlay.open{display:flex}
.modal{background:#fff;border-radius:var(--radius);max-width:520px;width:100%;max-height:90vh;overflow:auto;padding:28px;box-shadow:var(--shadow-lg)}
.modal h3{font-size:1.4rem;color:var(--forest);margin-bottom:14px}
.modal-close{position:absolute;top:16px;right:18px;background:none;border:none;font-size:1.4rem;cursor:pointer;color:var(--grey)}
.modal-wrap{position:relative}

/* stat cards */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media(max-width:700px){.stat-row{grid-template-columns:1fr 1fr}}
.stat{padding:20px 22px}.stat .num{font-family:var(--font-head);font-size:2rem;font-weight:800;color:var(--forest)}
.stat .lbl{font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;color:var(--grey);font-weight:600;margin-top:2px}

/* disclosure */
.disclosure{background:#FAFCFA;border:1px solid var(--line);border-radius:12px;padding:14px 18px;font-size:.86rem;color:var(--grey);margin-bottom:24px}

/* footer */
.ppp-footer{background:var(--deep);color:rgba(255,255,255,.85);padding:48px 0 26px;margin-top:64px}
.footer-in{display:flex;justify-content:space-between;gap:28px;flex-wrap:wrap;align-items:center}
.ppp-footer .logo-img{height:42px;filter:brightness(0) invert(1)}
.footer-nav{display:flex;gap:18px;flex-wrap:wrap}.footer-nav a{color:rgba(255,255,255,.8);font-size:.9rem}
.footer-bottom{text-align:center;margin-top:30px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:.83rem;color:rgba(255,255,255,.5)}

.empty{text-align:center;padding:48px 24px;color:var(--grey)}
.empty .big{font-size:2.4rem;margin-bottom:10px}
.spinner{width:30px;height:30px;border:3px solid var(--line);border-top-color:var(--sage);border-radius:50%;animation:spin .8s linear infinite;margin:30px auto}
@keyframes spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition-duration:.01ms!important}}