/* 4. sınıf MEB öğrenme rotası */
.d4-route{--d4-ink:#1e1b4b;--d4-muted:#64748b;--d4-line:#e5e7eb;--d4-soft:#f8f9ff;--d4-indigo:#4f46e5;--d4-purple:#7c3aed;margin:0 0 32px;font-family:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;color:var(--d4-ink)}
.d4-route *{box-sizing:border-box}.d4-route button{font:inherit}.d4-route [hidden]{display:none!important}
.d4-hero{position:relative;overflow:hidden;padding:28px 30px;border:1px solid #ddd6fe;border-radius:22px;background:linear-gradient(135deg,#eef2ff 0%,#f5f3ff 54%,#ecfeff 100%);box-shadow:0 18px 45px -30px rgba(79,70,229,.48)}
.d4-hero:before,.d4-hero:after{content:'';position:absolute;border-radius:50%;pointer-events:none}.d4-hero:before{width:240px;height:240px;right:-80px;top:-110px;background:radial-gradient(circle,rgba(99,102,241,.2),transparent 70%)}.d4-hero:after{width:180px;height:180px;left:-68px;bottom:-105px;background:radial-gradient(circle,rgba(6,182,212,.16),transparent 70%)}
.d4-eyebrow{position:relative;z-index:1;display:inline-flex;align-items:center;gap:7px;margin-bottom:10px;padding:6px 11px;border:1px solid #c7d2fe;border-radius:999px;background:rgba(255,255,255,.8);color:#4338ca;font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.d4-hero h2{position:relative;z-index:1;margin:0 0 8px;color:#1e1b4b;font-size:clamp(1.55rem,3vw,2.3rem);font-weight:800;letter-spacing:-.035em;line-height:1.2}.d4-hero p{position:relative;z-index:1;max-width:760px;margin:0;color:#4b5563;font-size:14px;line-height:1.7}.d4-note{position:relative;z-index:1;margin-top:13px;color:#64748b;font-size:12px;line-height:1.55}
.d4-hero-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;align-items:center;gap:9px;margin-top:18px}.d4-button{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:9px 13px;border:1px solid #c7d2fe;border-radius:10px;background:#fff;color:#4338ca;font-size:12px;font-weight:800;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .15s ease}.d4-button:hover{transform:translateY(-1px);background:#eef2ff;box-shadow:0 8px 18px -12px rgba(79,70,229,.6)}.d4-button--primary{border-color:#4f46e5;background:linear-gradient(135deg,#4f46e5,#7c3aed);color:#fff}.d4-button--primary:hover{background:linear-gradient(135deg,#4338ca,#6d28d9);color:#fff}
.d4-progress{display:flex;align-items:center;gap:10px;min-width:220px;max-width:320px}.d4-progress-bar{height:8px;flex:1;overflow:hidden;border-radius:999px;background:#ddd6fe}.d4-progress-bar span{display:block;width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,#4f46e5,#06b6d4);transition:width .25s ease}.d4-progress strong{white-space:nowrap;color:#4338ca;font-size:11px}
.d4-pillars{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:14px 0 18px}.d4-pillar{padding:13px 14px;border:1px solid var(--d4-line);border-radius:13px;background:#fff;box-shadow:0 5px 16px -13px rgba(15,23,42,.28)}.d4-pillar b{display:block;margin-bottom:4px;color:#312e81;font-size:13px}.d4-pillar span{display:block;color:var(--d4-muted);font-size:12px;line-height:1.5}
.d4-toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;margin:0 0 13px;padding:10px;border:1px solid var(--d4-line);border-radius:15px;background:rgba(255,255,255,.9);box-shadow:0 8px 24px -16px rgba(15,23,42,.26)}.d4-filters{display:flex;flex-wrap:wrap;gap:6px}.d4-filter{padding:8px 10px;border:1px solid var(--d4-line);border-radius:9px;background:#fff;color:#475569;font-size:11px;font-weight:800;cursor:pointer}.d4-filter.is-active,.d4-filter:hover{border-color:#a5b4fc;background:#eef2ff;color:#4338ca}.d4-status{color:#64748b;font-size:11px;font-weight:700}
.d4-subject-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.d4-subject{position:relative;display:flex;flex-direction:column;min-height:100%;overflow:hidden;border:1px solid var(--d4-line);border-radius:16px;background:#fff;box-shadow:0 9px 24px -19px rgba(15,23,42,.38);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.d4-subject:hover{transform:translateY(-2px);border-color:#c7d2fe;box-shadow:0 13px 28px -18px rgba(79,70,229,.36)}.d4-subject.is-hidden{display:none}.d4-subject__top{display:flex;align-items:flex-start;gap:11px;padding:17px 17px 9px}.d4-icon{display:grid;flex:0 0 38px;place-items:center;width:38px;height:38px;border-radius:11px;background:#eef2ff;color:#4f46e5;font-size:16px}.d4-subject--emerald .d4-icon{background:#ecfdf5;color:#047857}.d4-subject--amber .d4-icon{background:#fffbeb;color:#b45309}.d4-subject--cyan .d4-icon{background:#ecfeff;color:#0e7490}.d4-subject--rose .d4-icon{background:#fff1f2;color:#be123c}.d4-subject--purple .d4-icon{background:#faf5ff;color:#7e22ce}.d4-subject--orange .d4-icon{background:#fff7ed;color:#c2410c}.d4-subject__top h3{margin:0 0 4px;color:#1e1b4b;font-size:17px;font-weight:800}.d4-group{display:block;color:#6366f1;font-size:10px;font-weight:800;letter-spacing:.07em;text-transform:uppercase}.d4-subject__summary{margin:0;padding:0 17px;color:#64748b;font-size:12.5px;line-height:1.6}.d4-curriculum{margin:11px 17px 0;padding:10px 11px;border-left:3px solid #a5b4fc;border-radius:0 9px 9px 0;background:#f8f9ff;color:#4f46e5;font-size:11px;line-height:1.55}.d4-curriculum b{display:block;margin-bottom:2px;color:#312e81;font-size:10px;letter-spacing:.06em;text-transform:uppercase}.d4-subject__actions{display:flex;flex-wrap:wrap;gap:7px;margin-top:auto;padding:14px 17px 17px}.d4-toggle,.d4-subject-link{display:inline-flex;align-items:center;gap:6px;padding:8px 10px;border:1px solid var(--d4-line);border-radius:9px;background:#fff;color:#475569;font-size:11px;font-weight:800;text-decoration:none;cursor:pointer}.d4-toggle:hover,.d4-subject-link:hover{border-color:#a5b4fc;background:#eef2ff;color:#4338ca}.d4-subject-link{border-color:#c7d2fe;background:#f8f9ff;color:#4338ca}
.d4-panel{padding:0 17px 17px}.d4-panel__section{margin-top:12px;padding-top:12px;border-top:1px solid #eef0f5}.d4-panel__label{display:block;margin-bottom:6px;color:#4f46e5;font-size:10px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.d4-outcomes{display:grid;gap:5px;margin:0;padding:0;list-style:none}.d4-outcomes li{position:relative;padding-left:18px;color:#475569;font-size:12px;line-height:1.55}.d4-outcomes li:before{position:absolute;left:0;top:2px;color:#4f46e5;content:'✓';font-weight:900}.d4-concepts{display:flex;flex-wrap:wrap;gap:5px}.d4-concepts span{padding:4px 7px;border-radius:999px;background:#f1f5f9;color:#475569;font-size:10px;font-weight:700}.d4-challenge{padding:12px;border:1px solid #bae6fd;border-radius:11px;background:linear-gradient(135deg,#f0f9ff,#f8f9ff)}.d4-challenge h4{margin:0 0 5px;color:#0e7490;font-size:14px}.d4-challenge p{margin:0;color:#334155;font-size:12px;line-height:1.6}.d4-path{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;margin:10px 0 0;padding:0;list-style:none;counter-reset:d4step}.d4-path li{position:relative;min-height:56px;padding:19px 7px 7px;border:1px solid #e0e7ff;border-radius:8px;background:#fff;color:#475569;font-size:10px;font-weight:700;line-height:1.35}.d4-path li:before{position:absolute;top:5px;left:7px;color:#6366f1;content:counter(d4step);counter-increment:d4step;font-size:10px;font-weight:900}.d4-mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.d4-mini-card{padding:10px;border:1px solid var(--d4-line);border-radius:9px;background:#fff}.d4-mini-card b{display:block;margin-bottom:3px;color:#334155;font-size:11px}.d4-mini-card span{display:block;color:#64748b;font-size:11px;line-height:1.5}.d4-check{display:flex;align-items:flex-start;gap:8px;margin-top:11px;padding:9px 10px;border:1px dashed #a5b4fc;border-radius:9px;background:#fafaff;color:#4338ca;font-size:11px;font-weight:700;cursor:pointer}.d4-check input{margin-top:2px;accent-color:#4f46e5}.d4-callout{margin-top:15px;padding:14px 16px;border:1px solid #c7d2fe;border-radius:13px;background:linear-gradient(135deg,#eef2ff,#faf5ff);color:#3730a3;font-size:12px;line-height:1.65}.d4-callout b{color:#312e81}
.d4-route .d4-subject.is-highlighted{border-color:#6366f1;box-shadow:0 0 0 3px rgba(99,102,241,.14),0 15px 30px -18px rgba(79,70,229,.45)}
@media(max-width:991px){.d4-pillars{grid-template-columns:repeat(2,minmax(0,1fr))}.d4-subject-grid{grid-template-columns:1fr}}
@media(max-width:575px){.d4-hero{padding:22px 19px;border-radius:18px}.d4-pillars{grid-template-columns:1fr}.d4-progress{width:100%;max-width:none}.d4-toolbar{align-items:flex-start;flex-direction:column}.d4-path{grid-template-columns:repeat(2,minmax(0,1fr))}.d4-mini-grid{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.d4-route *{scroll-behavior:auto!important;transition:none!important}}