:root{
  --bg:#0D1F1C;--bg2:#142A27;--bg3:#1A3532;
  --ink:#ffffff;--ink2:rgba(255, 255, 255, 0.7);--ink3:rgba(255,255,255,0.5);--ink4:rgba(255,255,255,0.3);
  --border:rgba(255,255,255,0.1);--border2:rgba(255,255,255,0.2);
  --green:#00875a;--green2:#e3f5ef;--green3:#c0e8d8;
  --amber:#b45309;--amber2:#fff8e6;--amber3:#fde68a;
  --red:#dc2626;--red2:#fef2f2;--red3:#fecaca;
  --blue:#1d4ed8;--blue2:#eff6ff;
  --radius:8px;--radius2:16px;
  --shadow:0 1px 4px rgba(0,0,0,.4);
  --shadow2:0 4px 20px rgba(0,0,0,.5);
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--ink);min-height:100vh}


/* INPUT MODE */
.mode-tabs{display:flex;gap:0;border:1.5px solid var(--border2);border-radius:var(--radius);overflow:hidden;margin-bottom:24px;width:fit-content}
.mode-tab{padding:9px 20px;font-size:13px;font-weight:500;cursor:pointer;background:var(--bg);color:var(--ink3);border:none;transition:all .15s;}
.mode-tab.active{background:var(--ink);color:#fff}

/* URL INPUT MODE */
.url-mode{display:block}
.url-mode .url-row{display:flex;gap:10px}
.url-inp{flex:1;background:var(--bg2);border:1.5px solid var(--border);color:var(--ink);font-size:15px;padding:13px 18px;border-radius:var(--radius);outline:none;transition:border-color .2s}
.url-inp:focus{border-color:var(--green);background:var(--bg)}
.go-btn{background:var(--ink);color:#fff;border:none;padding:13px 24px;border-radius:var(--radius);font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;white-space:nowrap}
.go-btn:hover{background:#333;transform:translateY(-1px)}

/* MANUAL INPUT MODE */
.manual-mode{display:none}
.manual-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.metric-input-card{background:var(--bg2);border:1.5px solid var(--border);border-radius:var(--radius2);padding:20px}
.mic-head{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:14px}
.mic-name{font-weight:700;font-size:14px}
.mic-abbr{font-size:22px;font-weight:800;color:var(--ink3)}
.mic-full{font-size:11px;color:var(--ink3);margin-top:2px}
.mic-thresholds{display:flex;gap:4px;margin-bottom:10px}
.thr{font-size:10px;padding:2px 6px;border-radius:4px;font-weight:500}
.thr.g{background:var(--green2);color:var(--green)}
.thr.a{background:var(--amber2);color:var(--amber)}
.thr.r{background:var(--red2);color:var(--red)}
.metric-inp-wrap{position:relative}
.metric-inp{width:100%;background:var(--bg);border:1.5px solid var(--border);color:var(--ink);font-size:16px;font-weight:600;padding:10px 40px 10px 14px;border-radius:var(--radius);outline:none;transition:border-color .2s}
.metric-inp:focus{border-color:var(--green)}
.metric-unit{position:absolute;right:12px;top:50%;transform:translateY(-50%);font-size:12px;color:var(--ink3);pointer-events:none}
.grade-btn{width:100%;margin-top:16px;background:var(--green);color:#fff;border:none;padding:13px;border-radius:var(--radius);font-size:14px;font-weight:700;cursor:pointer;transition:all .2s}
.grade-btn:hover{background:var(--green);filter:brightness(1.1);transform:translateY(-1px)}

/* LOADING */
.loading{display:none;padding:40px;text-align:center;color:var(--ink3)}
.loading.show{display:block}
.ld-ring{width:44px;height:44px;border:3px solid var(--border);border-top-color:var(--green);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 14px}
@keyframes spin{to{transform:rotate(360deg)}}

/* RESULTS */
.results{display:none}
.results.show{display:block}

/* OVERALL GRADE */
.overall-banner{border-radius:var(--radius2);padding:32px;margin-bottom:20px;display:grid;grid-template-columns:auto 1fr;gap:28px;align-items:center}
.grade-circle{width:100px;height:100px;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;flex-shrink:0;border:4px solid currentColor}
.grade-letter{font-size:42px;font-weight:800;line-height:1}
.grade-label{font-size:10px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;margin-top:2px}
.overall-text h3{font-size:22px;font-weight:700;margin-bottom:6px}
.overall-text p{font-size:14px;line-height:1.7;margin-bottom:14px}
.overall-chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{font-size:12px;font-weight:600;padding:4px 12px;border-radius:20px}

/* METRIC DETAIL CARDS */
.metrics-detail{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:20px}
@media(max-width:640px){.metrics-detail,.manual-grid{grid-template-columns:1fr}}
.mdc{background:var(--bg2);border:2px solid var(--border);border-radius:var(--radius2);padding:20px;position:relative;overflow:hidden;transition:all .2s}
.mdc.A{border-color:var(--green3)}
.mdc.B{border-color:#86efac}
.mdc.C{border-color:var(--amber3)}
.mdc.D{border-color:#fca5a5}
.mdc.F{border-color:var(--red3)}
.mdc-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.mdc-metric{font-weight:700;font-size:14px}
.mdc-grade-badge{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px}
.grade-A .mdc-grade-badge,.grade-B .mdc-grade-badge{background:var(--green2);color:var(--green)}
.grade-C .mdc-grade-badge{background:var(--amber2);color:var(--amber)}
.grade-D .mdc-grade-badge,.grade-F .mdc-grade-badge{background:var(--red2);color:var(--red)}
.mdc-value{font-size:32px;font-weight:800;line-height:1;margin-bottom:4px}
.grade-A .mdc-value,.grade-B .mdc-value{color:var(--green)}
.grade-C .mdc-value{color:var(--amber)}
.grade-D .mdc-value,.grade-F .mdc-value{color:var(--red)}
.mdc-name{font-size:11px;color:var(--ink3);margin-bottom:12px}
.mdc-bar{height:6px;background:var(--border);border-radius:3px;overflow:hidden;margin-bottom:10px}
.mdc-bar-fill{height:100%;border-radius:3px;transition:width 1.2s cubic-bezier(.4,0,.2,1)}
.grade-A .mdc-bar-fill,.grade-B .mdc-bar-fill{background:var(--green)}
.grade-C .mdc-bar-fill{background:var(--amber)}
.grade-D .mdc-bar-fill,.grade-F .mdc-bar-fill{background:var(--red)}
.mdc-benchmarks{font-size:11px;color:var(--ink3)}
.mdc-fix{font-size:12px;color:var(--ink2);padding:10px 12px;background:var(--bg);border-radius:var(--radius);margin-top:10px;line-height:1.6;border-left:3px solid}
.grade-A .mdc-fix,.grade-B .mdc-fix{border-color:var(--green)}
.grade-C .mdc-fix{border-color:var(--amber)}
.grade-D .mdc-fix,.grade-F .mdc-fix{border-color:var(--red)}

/* ACTION PLAN */
.action-plan{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius2);padding:24px;margin-bottom:20px}
.ap-title{font-size:17px;font-weight:700;margin-bottom:16px}
.ap-timeline{display:flex;flex-direction:column;gap:0}
.ap-item{display:grid;grid-template-columns:60px 1fr;gap:0;position:relative}
.ap-item::before{content:'';position:absolute;left:29px;top:32px;bottom:0;width:2px;background:var(--border)}
.ap-item:last-child::before{display:none}
.ap-day{padding:16px 0;display:flex;flex-direction:column;align-items:center;gap:4px;flex-shrink:0}
.ap-day-badge{width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;z-index:1;border:2px solid var(--bg2)}
.ap-day-label{font-size:9px;color:var(--ink4);letter-spacing:.04em}
.ap-content{padding:14px 0 14px 16px}
.ap-step{font-size:13px;font-weight:600;margin-bottom:3px}
.ap-detail{font-size:12px;color:var(--ink3);line-height:1.6}
.ap-tag{font-size:10px;font-weight:600;padding:2px 8px;border-radius:10px;display:inline-block;margin-top:4px}

.cta-fix{background:var(--ink);color:#fff;border-radius:var(--radius2);padding:28px;text-align:center;margin-top:20px}
.cta-fix h3{font-size:20px;font-weight:700;margin-bottom:8px}
.cta-fix p{font-size:13px;color:rgba(255,255,255,.7);margin-bottom:20px;line-height:1.7}
.cta-btns-row{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.btn-white{background:#142A27;color:var(--ink);border:none;padding:12px 24px;border-radius:var(--radius);font-size:14px;font-weight:700;cursor:pointer;transition:all .2s}
.btn-white:hover{background:#f0f0f0;transform:translateY(-1px)}
.btn-outline-white{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.4);padding:12px 20px;border-radius:var(--radius);font-size:14px;font-weight:600;cursor:pointer;transition:all .2s}
.btn-outline-white:hover{border-color:#fff}