@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap";:root{--bg: radial-gradient(circle at 10% 10%, #f5f7fb, #eef2f7 45%, #f7f9ff);--nav: linear-gradient(120deg, #f9fafb, #f3f4f6);--card: rgba(255, 255, 255, .94);--card-soft: linear-gradient(145deg, #f8fbff, #f4f6fb);--panel: #f6f8ff;--file-bg: #f5f8fb;--input-bg: #f9fafb;--border: #e5e7eb;--text: #0f172a;--muted: #6b7280;--primary: #2d8f6f;--primary-dark: #1f6b50;--danger: #dc2626;--success: #16a34a;--confidence-track: #e5e7eb;--shadow: 0 12px 32px rgba(15, 23, 42, .08)}:root[data-theme=dark],.theme-dark{--bg: radial-gradient(circle at 15% 10%, #0b1220, #0f172a 45%, #0b162b);--nav: linear-gradient(120deg, #0f172a, #0b1220);--card: rgba(15, 23, 42, .96);--card-soft: linear-gradient(145deg, #0f1628, #101a2f);--panel: #0f172a;--file-bg: #0c1323;--input-bg: #0c1323;--border: #1f2937;--text: #e5e7eb;--muted: #94a3b8;--primary: #22c55e;--primary-dark: #16a34a;--danger: #f87171;--success: #34d399;--confidence-track: #1f2937;--shadow: 0 12px 32px rgba(0, 0, 0, .35)}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,sans-serif}a{color:var(--primary);text-decoration:none}.navbar{display:flex;align-items:center;justify-content:space-between;padding:.8rem 1.4rem;background:var(--nav);position:sticky;top:0;z-index:10;min-height:56px}.brand{font-weight:700;letter-spacing:-.01em;font-size:1.05rem;display:inline-flex;align-items:center;gap:.35rem;color:var(--text)}.logo-icon{width:20px;height:20px}.nav-links{display:flex;align-items:center;gap:1rem}.nav-link{background:none;border:none;padding:0;color:var(--primary);font-weight:700;text-decoration:none;cursor:pointer;transition:color .2s ease,text-decoration-color .2s ease;text-decoration:underline transparent;text-underline-offset:4px}.nav-link.icon-btn{padding:.2rem;font-size:1rem;text-decoration:none;line-height:1}.nav-link:hover{color:var(--primary-dark);text-decoration-color:var(--primary-dark)}.nav-link.active{color:var(--primary-dark)}.nav-link.danger{color:var(--danger)}.nav-link.danger:hover{color:#b91c1c}.user-tag{font-size:.9rem;color:var(--muted);margin-left:.4rem}.nav-toggle{display:none;flex-direction:column;gap:.25rem;background:none;border:none;padding:.35rem .45rem;cursor:pointer}.nav-toggle span{display:block;width:20px;height:2px;background:var(--text)}.link-btn{border:none;background:none;padding:0;color:var(--danger);cursor:pointer;font-weight:700}.page{max-width:1100px;margin:1.5rem auto 3rem;padding:0 1rem}.card{background:var(--card);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow);padding:1.5rem}.auth-shell{min-height:calc(100vh - 120px);display:flex;align-items:center;justify-content:center;padding:1.5rem}.auth-card{width:100%;max-width:420px;text-align:left}.auth-header{display:flex;align-items:center;gap:.7rem;margin-bottom:.75rem}.center-link{text-align:center}.card h2,.card h3{margin-top:0}.narrow{max-width:420px;margin:0 auto}.form{display:flex;flex-direction:column;gap:.75rem}label{display:flex;flex-direction:column;gap:.35rem;font-weight:600}input[type=text],input[type=email],input[type=password]{padding:.7rem;border-radius:10px;border:1px solid var(--border);background:var(--input-bg)}.file-input{border:1px dashed var(--primary);padding:.9rem;border-radius:12px;color:var(--primary);background:var(--file-bg);cursor:pointer;position:relative;min-height:90px;display:flex;align-items:center}.file-input input[type=file]{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;cursor:pointer}button{padding:.8rem 1rem;border-radius:12px;border:none;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;font-weight:700;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease;box-shadow:0 10px 24px #2371582e}button:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 10px 20px #2563eb40}button:disabled{background:#cbd5e1;cursor:not-allowed}.muted{color:var(--muted)}.message{margin-top:.5rem;color:var(--primary-dark);font-weight:600}.message.error{color:var(--danger)}.preview{margin-top:.5rem;border:1px solid var(--border);border-radius:12px;overflow:hidden}.preview img{width:100%;display:block;max-height:320px;object-fit:cover}.history-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:.8rem}.history-card{border:1px solid var(--border);border-radius:14px;padding:1rem;background:var(--card-soft);box-shadow:var(--shadow)}.history-card strong{font-size:1.05rem}.history-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:.35rem}.badge{padding:.35rem .65rem;border-radius:999px;font-weight:700;background:#e0e7ff}.badge.success{background:rgba(22,163,74,.15);color:var(--success)}.badge.danger{background:rgba(239,68,68,.15);color:var(--danger)}.recommendation{margin:.45rem 0;font-weight:600}.thumb{width:100%;border-radius:12px;margin-top:.3rem;border:1px solid var(--border)}.section-heading h1{margin:.2rem 0 .4rem;font-size:2.1rem;letter-spacing:-.02em}.pill{display:inline-block;padding:.35rem .7rem;border-radius:999px;background:rgba(45,143,111,.12);color:var(--primary-dark);font-weight:700;font-size:.9rem}.pill.subtle{background:rgba(45,143,111,.08)}.grid-two{display:grid;grid-template-columns:2fr 1fr;gap:1rem}.accent-card{background:linear-gradient(160deg,#0ea5e9,#22c55e);color:#0b1221;border-radius:18px;padding:1.4rem;box-shadow:var(--shadow)}.drop-text{display:flex;flex-direction:column;gap:.1rem}.drop-text span{font-weight:600;color:var(--muted)}.confidence{display:flex;align-items:center;gap:.5rem;margin:.35rem 0;font-weight:600}.confidence-bar{flex:1;height:10px;background:var(--confidence-track);border-radius:999px;overflow:hidden}.confidence-fill{height:100%;background:linear-gradient(135deg,#22c55e,#16a34a)}.highlight{background:var(--panel);border-radius:10px;padding:.5rem .75rem;border:1px solid var(--border)}.result-block{margin-top:1rem;display:flex;flex-direction:column;gap:.7rem}.result-header{display:flex;align-items:center;gap:.8rem}.result-header .badge{min-width:86px;text-align:center}.tips-card{display:flex;flex-direction:column;gap:.75rem}.tips-header{display:flex;align-items:center;justify-content:space-between}.tips{margin:.2rem 0 .6rem;padding-left:1.2rem;color:var(--text);line-height:1.5;font-weight:600}.sample-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.35rem}.sample-grid.soft img{border:1px solid var(--border);box-shadow:none}.sample-grid img{width:100%;height:90px;object-fit:cover;border-radius:10px;border:1px solid rgba(255,255,255,.7);box-shadow:0 6px 18px #00000014}@media (max-width: 900px){.grid-two{grid-template-columns:1fr}.navbar{flex-wrap:wrap;gap:.5rem}.nav-toggle{display:flex}.nav-links{width:100%;display:none;flex-direction:column;align-items:flex-start;padding:.5rem 0}.nav-links.open{display:flex}.nav-links a,.nav-links .nav-link{width:100%;text-align:left;justify-content:center}.nav-link{padding:.3rem 0}}@media (max-width: 640px){.page{margin-top:1rem}.card{padding:1.1rem}.section-heading h1{font-size:1.6rem}.sample-grid{grid-template-columns:repeat(3,1fr);gap:.25rem}.history-grid{grid-template-columns:1fr}.auth-shell{padding:1rem}}