/* BasitYolu v1.1.0 — platform ek katmanı */
[hidden]{display:none!important}body:has(.inner-main){background:linear-gradient(#f8fbff 0,#fff 620px)}.button:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}.header-account{display:flex;align-items:center;gap:12px}.header-pro{background:#e8faf4;border:1px solid #cdf0e3;padding:11px 14px;color:#008a78;border-radius:9px;font-weight:800;font-size:12px}.tool-badge-pro{background:#e9f9ef!important;color:#09836e!important;border-color:#b9eedb!important}.extra-footer{border-top:1px solid #eef1f4;padding:18px 24px 28px;display:flex;gap:22px;flex-wrap:wrap;color:#7d8ea2;font-weight:700;font-size:12px}.extra-footer a:hover{color:#1765db}.inner-main{min-height:calc(100vh - 175px)}.simple-footer{border-top:1px solid #e8edf3;background:#fff}.footer-flex{min-height:85px;display:flex;align-items:center;justify-content:space-between;color:#8796a8;font-size:12px}.footer-flex>div{display:flex;gap:20px}.footer-flex a:hover{color:#236ad6}.panel{background:#fff;border:1px solid #e4ebf3;border-radius:20px;box-shadow:0 18px 50px rgba(39,72,110,.075)}.auth-layout{display:grid;grid-template-columns:1fr 460px;gap:85px;align-items:center;padding-top:105px;padding-bottom:110px}.auth-copy h1,.pricing-page h1,.admin-title h1{font-size:clamp(38px,4vw,53px);letter-spacing:-2.9px;line-height:1.18;margin:14px 0 20px}.auth-copy p,.pricing-page>p{line-height:1.9;color:#6b7f96;font-size:16px;max-width:540px}.auth-checks{line-height:2.8;color:#2e7787;font-weight:750;margin-top:20px}.auth-panel{padding:34px}.auth-tabs{display:flex;background:#f1f5fa;border-radius:10px;padding:5px;margin-bottom:28px}.auth-tabs button{border:0;background:transparent;flex:1;border-radius:8px;padding:12px;font-weight:800;color:#6b7b90}.auth-tabs .active{background:#fff;color:#1765db;box-shadow:0 4px 14px #3854701f}.auth-panel form{display:grid;gap:18px}.auth-panel label,.checkout-dialog label,.admin-form label,.tool-setting-form label{display:grid;gap:8px;color:#425875;font-size:12px;font-weight:800}.auth-panel .text-input{padding:15px}.auth-panel .button{width:100%;margin-top:6px}.form-feedback{font-size:12px;line-height:1.6;color:#bf465a;margin:8px 0 0;min-height:19px}.auth-success{display:inline-flex;align-items:center;border-radius:30px;padding:8px 14px;background:#e6f7ed;color:#188364;font-weight:800;font-size:12px}.auth-panel h2{font-size:25px;margin:19px 0 6px}.auth-panel p{color:#7c8a9a}.membership-tile{background:#f1f7ff;border:1px solid #dfeafb;padding:15px;border-radius:12px;margin:23px 0;color:#245f9f;line-height:1.7;font-size:12px;font-weight:700}.signed-actions{display:flex;gap:9px;flex-wrap:wrap}.signed-actions .button{width:auto}.auth-panel #adminLink{display:inline-block;margin-top:20px;color:#1b64ce;font-weight:700}.pricing-page{text-align:center;padding-top:85px;padding-bottom:110px}.pricing-page>.section-eyebrow{justify-content:center}.pricing-page>p{margin:0 auto 35px}.pricing-cards{display:grid;grid-template-columns:repeat(2,minmax(0,420px));gap:20px;justify-content:center;text-align:left;margin-top:44px}.price-card{background:#fff;border:1px solid #e3eaf2;box-shadow:0 14px 36px rgba(28,64,94,.045);border-radius:20px;padding:32px;position:relative}.price-card.featured{border:2px solid #1f6fd8;box-shadow:0 18px 55px rgba(27,105,208,.13)}.price-tag{font-size:11px;color:#1668d7;font-weight:900;letter-spacing:1px;margin-bottom:23px}.price-card h2{font-size:23px;margin-bottom:17px}.price{display:flex;align-items:baseline;gap:11px}.price span{font-size:40px;font-weight:900;letter-spacing:-2px;color:#1d3553}.price small{color:#98a5b4;font-size:11px}.price-card>p{color:#8090a3;font-size:12px;margin:12px 0 19px}.price-card ul{margin:0 0 24px;padding:0;list-style:none;min-height:140px}.price-card li{padding:9px 0;color:#4a6079;font-size:12px}.price-card li:before{content:'✓';color:#12a892;font-weight:900;margin-right:10px}.price-card .button{width:100%;justify-content:center}.pricing-note{font-size:11px!important;color:#9ba6b5!important;margin-top:25px!important}.tool-landing{padding:75px 0;background:radial-gradient(circle at 80% 0%,#eaf5ff,transparent 43%),#f8fbff;border-bottom:1px solid #ecf0f5}.tool-page-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:85px;align-items:center}.breadcrumbs{font-size:11px;color:#8396ac;margin-bottom:37px}.breadcrumbs a{color:#2672d5}.tool-landing h1{font-size:clamp(37px,4.8vw,57px);line-height:1.19;letter-spacing:-2.7px;margin:21px 0}.tool-lead{font-size:17px;line-height:1.8;color:#6e8197;max-width:560px}.tool-highlights{display:flex;flex-wrap:wrap;gap:14px;margin:25px 0}.tool-highlights span{color:#25877d;background:#e9f9f6;border:1px solid #d3f0e8;font-weight:700;font-size:11px;padding:8px 12px;border-radius:100px}.tool-landing-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:35px}.tool-aside{background:white;padding:32px;border-radius:20px;box-shadow:0 20px 60px #2e55771b;border:1px solid #e7edf6;transform:rotate(2deg)}.tool-aside-header{font-size:13px;font-weight:800;color:#286fce}.preview-file{background:#f5f9ff;border:2px dashed #bed4f1;border-radius:13px;display:grid;place-items:center;height:180px;margin:21px 0;color:#224c84;font-weight:800;text-align:center;padding:16px}.tool-aside p{font-size:12px;line-height:1.8;color:#8494a7}.tool-aside-check{color:#198c78;font-size:12px;font-weight:800}.tool-explanation{max-width:870px;padding-top:80px;padding-bottom:100px}.tool-explanation h2{font-size:32px;margin-bottom:26px}.tool-explanation p{color:#596e86;line-height:1.95;font-size:14px}.tool-explanation h3{font-size:20px;margin-top:36px}.tool-explanation details{margin-top:10px;border:1px solid #dfe8f3;border-radius:12px;padding:20px}.tool-explanation summary{font-weight:800;cursor:pointer;font-size:13px}.inline-cta{padding:22px;border-radius:14px;background:#eef6ff;margin-top:35px;display:flex;justify-content:space-between;gap:15px;align-items:center}.inline-cta a{color:#1765db;font-weight:800}.legal-content{max-width:880px;padding-top:90px;padding-bottom:120px}.legal-content h1{font-size:43px;letter-spacing:-2px}.legal-content h2{font-size:23px;margin-top:40px}.legal-content p{line-height:1.9;color:#697d91}.result-screen{display:grid;place-items:center;min-height:70vh;text-align:center}.result-screen .panel{max-width:550px;padding:50px}.result-screen p{line-height:1.8;color:#75869b}.result-symbol{font-size:50px;color:#18a88d}.tool-links{border-top:1px solid #eef1f5;margin-top:40px;padding-top:24px}.tool-links h3{font-size:15px;margin-bottom:16px}.tool-links>div{display:flex;flex-wrap:wrap;gap:8px}.tool-links a{font-size:11px;border:1px solid #e1e9f1;background:#f8fbff;border-radius:8px;color:#55718e;padding:9px 12px}.tool-links a:hover{color:#1765db;border-color:#a6c8ec}
/* Announcement and Pro gates */
.announce-backdrop,.premium-backdrop,.checkout-overlay{position:fixed;inset:0;z-index:115;background:rgba(20,37,59,.61);backdrop-filter:blur(9px);display:grid;place-items:center;padding:20px;overflow-y:auto}.announce-card{width:min(520px,100%);max-height:min(92vh,780px);overflow:auto;position:relative;background:#fff;box-shadow:0 35px 100px rgba(0,28,80,.28);border-radius:23px}.announce-x{position:absolute;right:18px;top:18px;width:37px;height:37px;border:1px solid #e3eaf2;border-radius:10px;background:rgba(255,255,255,.94);display:grid;place-items:center;color:#546b84;font-size:25px;font-weight:400;z-index:2}.announce-x:hover{background:#edf6ff}.announce-art{height:245px;position:relative;overflow:hidden;color:#fff;background:radial-gradient(circle at 80% 15%,#61ccca 0,transparent 35%),linear-gradient(125deg,#1456b5 0,#2184e2 56%,#3ea4cb 100%);background-size:cover;background-position:center}.announce-art:after{content:'';position:absolute;width:290px;height:290px;top:25px;right:-82px;border:1px solid #ffffff4b;border-radius:50%;box-shadow:0 0 0 36px #ffffff11,0 0 0 75px #ffffff0d}.announce-sun{position:absolute;font-size:65px;right:73px;top:80px;opacity:.84}.announce-mini{position:absolute;left:37px;top:46px;font-size:10px;font-weight:900;letter-spacing:3px}.announce-big{position:absolute;left:36px;bottom:34px;font-family:'Plus Jakarta Sans',sans-serif;font-size:39px;font-weight:900;letter-spacing:-1.8px;line-height:1.16}.announce-art.has-photo .announce-big,.announce-art.has-photo .announce-mini,.announce-art.has-photo .announce-sun{filter:drop-shadow(0 3px 6px #0005)}.announce-body{padding:32px 36px 38px}.announce-pill{display:inline-block;color:#1a8d82;background:#e8f8f4;border-radius:25px;padding:8px 12px;font-size:9px;font-weight:900;letter-spacing:1px}.announce-body h2{font-size:26px;letter-spacing:-1px;margin:15px 0 8px}.announce-body p{color:#75869b;font-size:13px;line-height:1.9}.announce-body .button{margin-top:7px}.premium-dialog,.checkout-dialog{position:relative;max-width:480px;width:100%;border-radius:19px;background:white;padding:45px 34px 35px;box-shadow:0 30px 100px #0b1e3e55}.premium-dialog{text-align:center}.premium-dialog h2{font-size:25px;letter-spacing:-1px;margin:20px 0 11px}.premium-dialog p,.checkout-dialog>p{color:#74869b;line-height:1.8;font-size:13px}.pro-emblem{display:grid;place-items:center;margin:auto;width:65px;height:65px;border-radius:20px;background:linear-gradient(135deg,#14b89d,#176dda);font-size:34px;color:white}.premium-actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:23px}.checkout-dialog{max-width:590px;padding:35px}.checkout-dialog h2{font-size:24px}.checkout-dialog form{display:grid;gap:13px}.checkout-dialog .text-area{min-height:75px}.checkout-dialog .form-row{gap:10px}.checkout-dialog .checkbox-line{display:flex}.checkout-dialog .button{justify-content:center}
/* Administration */
.admin-screen{padding-top:65px;padding-bottom:115px}.admin-title{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:33px}.admin-title h1{margin:9px 0 11px}.admin-title p{color:#7c8da1;margin:0}.admin-loading{padding:28px;color:#6d8098}.admin-loading a{color:#1765db;font-weight:800}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-bottom:23px}.stat-card{position:relative;border:1px solid #e6ecf4;background:#fff;padding:23px;border-radius:15px;box-shadow:0 8px 24px #24466e09}.stat-small{font-size:12px;font-weight:700;color:#7e8fa3}.stat-num{font-size:34px;font-weight:900;letter-spacing:-1px;margin-top:10px}.stat-ico{position:absolute;top:25px;right:25px;font-size:25px;color:#4e99e4;background:#eaf4ff;width:40px;height:40px;display:grid;place-items:center;border-radius:10px}.admin-tabs{display:flex;flex-wrap:wrap;gap:9px;margin:30px 0 17px}.admin-tabs button{border:1px solid #e1e8f2;border-radius:10px;padding:12px 17px;background:#fff;font-size:12px;color:#6a7f95;font-weight:800}.admin-tabs button.active{background:#1b67d7;color:#fff;border-color:#1b67d7}.admin-panel{padding:34px}.panel-heading h2{font-size:24px;letter-spacing:-.7px;margin-bottom:6px}.panel-heading p{font-size:12px;color:#8a98a9;margin-bottom:30px}.admin-form{display:grid;gap:19px;max-width:850px}.admin-form .text-area{min-height:100px}.toggle-line{display:flex!important;gap:11px!important;align-items:center!important;font-size:13px!important;color:#1e4d84!important;background:#eff7ff;padding:14px 17px;border-radius:10px}.toggle-line input{accent-color:#1c69d7;appearance:auto;width:19px;height:19px}.admin-preview{margin-top:30px;display:grid;grid-template-columns:.75fr 1fr;max-width:670px;border-radius:16px;overflow:hidden;border:1px solid #e2e8f2;box-shadow:0 9px 25px #143f6b18}.admin-preview-art{background:linear-gradient(130deg,#0e56b8,#2597da);color:white;font-weight:900;padding:65px 20px;text-align:center;letter-spacing:2px;font-size:12px}.admin-preview-text{padding:20px}.admin-preview-text h3{font-size:16px}.admin-preview-text p{color:#6e8197;font-size:11px;line-height:1.8}.admin-preview-text b{font-size:12px;color:#1966c4}.tool-setting-form{padding:21px 0;border-bottom:1px solid #e8edf3}.tool-setting-form:first-child{padding-top:0}.tool-setting-heading{display:flex;align-items:center;justify-content:space-between;gap:13px;margin-bottom:14px}.tool-setting-heading strong{font-size:14px}.tool-setting-heading small{display:block;margin-top:5px;color:#9aa8b6;font-size:10px}.tool-setting-heading .select-input{width:150px;font-weight:800}.tool-setting-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:12px}.tool-setting-bottom a{font-size:11px;color:#1d70ca;font-weight:800}.tool-setting-bottom .button{padding:10px 16px;font-size:11px}.payment-status{padding:13px 16px;border-radius:10px;background:#fff9ed;border:1px solid #f6ead1;font-size:12px;color:#806a40}.table-scroll{overflow-x:auto}.admin-table{border-collapse:collapse;width:100%;min-width:690px;text-align:left}.admin-table th{background:#f4f8fc;font-size:10px;text-transform:uppercase;letter-spacing:1px;padding:15px;color:#8090a2;white-space:nowrap}.admin-table td{padding:16px 12px;border-bottom:1px solid #edf1f5;color:#667992;font-size:11px}.admin-table strong{display:block;font-size:12px;color:#29455f}.admin-table small{display:block;font-size:10px;margin-top:6px;color:#94a1b1}.state-pill{display:inline-block;background:#f3f5f9;color:#74849a;font-size:10px;font-weight:800;padding:7px 10px;border-radius:7px;white-space:nowrap}.state-pill.active{background:#e5f8f0;color:#11846b}.cell-actions{display:flex;gap:5px}.cell-actions button{border:1px solid #dce9f7;background:#f5f9ff;color:#2870b9;font-size:10px;padding:7px;border-radius:7px;white-space:nowrap}.cell-actions button:hover{background:#e5f1ff}.legal-content .notice{margin-bottom:32px}
@media(max-width:1000px){.tool-page-grid{gap:32px}.auth-layout{gap:40px;grid-template-columns:1fr 440px}.stat-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:800px){.header-account .header-cta{display:inline-flex}.header-account{gap:6px}.header-account .header-cta,.header-pro{padding:10px 11px;font-size:10px}.auth-layout{grid-template-columns:1fr;padding-top:55px;padding-bottom:80px}.auth-copy h1{max-width:550px}.tool-page-grid{grid-template-columns:1fr}.tool-aside{max-width:400px}.tool-landing{padding:45px 0}.pricing-cards{grid-template-columns:1fr;max-width:520px;margin:35px auto}.price-card ul{min-height:auto}.pricing-page{padding-top:60px;padding-bottom:80px}.simple-footer .footer-flex{gap:13px}.admin-title{align-items:start;flex-direction:column}.admin-panel{padding:24px}.tool-landing h1{font-size:43px}}
@media(max-width:580px){.header-account{margin-left:auto;margin-right:12px}.header-pro{display:none}.header-account .header-cta{padding:10px;font-size:10px}.auth-panel{padding:24px}.auth-copy h1,.pricing-page h1,.admin-title h1{font-size:35px;letter-spacing:-1.8px}.tool-landing h1{font-size:38px}.tool-highlights{gap:8px}.tool-highlights span{font-size:10px}.tool-landing-actions .button{font-size:11px}.tool-explanation{padding-top:55px;padding-bottom:65px}.tool-explanation h2{font-size:26px}.footer-flex{flex-direction:column;justify-content:center;padding:18px 0}.footer-flex>div{gap:15px;flex-wrap:wrap}.announce-backdrop,.premium-backdrop,.checkout-overlay{padding:13px}.announce-card{border-radius:17px}.announce-art{height:209px}.announce-big{font-size:33px;left:25px}.announce-mini{left:26px}.announce-body{padding:25px}.announce-body h2{font-size:22px}.premium-dialog,.checkout-dialog{padding:35px 21px 22px}.checkout-dialog .form-row{grid-template-columns:1fr}.stat-grid{gap:9px}.stat-card{padding:17px}.stat-num{font-size:26px}.stat-small{font-size:10px}.stat-ico{display:none}.admin-screen{padding-top:35px}.admin-tabs{flex-wrap:nowrap;overflow:auto;padding-bottom:8px}.admin-tabs button{flex-shrink:0}.admin-panel{padding:18px}.admin-form .form-row,.tool-setting-form .form-row{grid-template-columns:1fr}.admin-preview{grid-template-columns:1fr}.admin-preview-art{padding:35px 20px}.tool-setting-heading .select-input{width:133px}.inline-cta{flex-direction:column;align-items:flex-start}.price-card{padding:26px}}
.math-answer-grid{margin-top:12px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.lesson-sections{display:grid;gap:10px;margin-top:12px}.lesson-sections>div{border:1px solid #e3ebf4;border-radius:10px;padding:14px;background:#f9fbff}.lesson-sections strong{display:block;font-size:12px;color:#335672;margin-bottom:6px}.lesson-sections p{font-size:12px;color:#7d8c9e;line-height:1.8;margin:0}@media(max-width:580px){.math-answer-grid{grid-template-columns:1fr}}

/* v1.8.1: identical brand icon across landing, pricing, account and tool pages. */
.brand-symbol svg{display:block;width:30px;height:30px}