/* AI Notes Sumriser — EDUFREELY frontend styles */
.ans-app{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans Devanagari",Arial,sans-serif;color:#1f2937;max-width:1200px;margin:0 auto;padding:20px;line-height:1.55;box-sizing:border-box}
.ans-app *,.ans-app *::before,.ans-app *::after{box-sizing:border-box}

/* Hero */
.ans-hero{background:linear-gradient(135deg,#f5f3ff 0%,#ede9fe 50%,#fef3c7 100%);border-radius:24px;padding:40px;margin-bottom:32px;overflow:hidden}
.ans-hero-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:40px;align-items:center}
.ans-hero-image img,.ans-hero-image-placeholder svg{width:100%;height:auto;border-radius:20px;display:block}
.ans-hero-image-placeholder{background:#fff;border-radius:20px;padding:20px}
.ans-hero-text h1{font-size:34px;font-weight:800;margin:0 0 14px;color:#111827;line-height:1.2}
.ans-hero-desc{font-size:17px;color:#4b5563;margin:0 0 20px}
.ans-trustbar{display:inline-flex;align-items:center;gap:8px;background:#fff;padding:10px 16px;border-radius:999px;box-shadow:0 2px 12px rgba(0,0,0,.06);font-size:14px;font-weight:600;color:#374151;margin-bottom:20px}
.ans-stars{color:#f59e0b;letter-spacing:2px}
.ans-cta-btn{display:inline-block;background:linear-gradient(135deg,#7c3aed,#4f46e5);color:#fff;text-decoration:none;padding:14px 32px;border-radius:12px;font-weight:700;font-size:16px;box-shadow:0 8px 24px rgba(124,58,237,.35);transition:.2s}
.ans-cta-btn:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(124,58,237,.45);color:#fff}

/* Tools */
.ans-tools-section{background:#fff;border-radius:20px;box-shadow:0 4px 28px rgba(15,23,42,.06);padding:8px;margin-bottom:32px}
.ans-tabs-bar{display:flex;flex-wrap:wrap;gap:6px;padding:8px;background:#f8fafc;border-radius:14px;margin-bottom:8px}
.ans-tab-btn{flex:1 1 auto;display:flex;align-items:center;justify-content:center;gap:6px;background:transparent;border:none;padding:12px 14px;border-radius:10px;font-size:14px;font-weight:600;color:#475569;cursor:pointer;transition:.2s;min-width:120px}
.ans-tab-btn:hover{background:#fff;color:#7c3aed}
.ans-tab-btn.active{background:#fff;color:#7c3aed;box-shadow:0 2px 8px rgba(0,0,0,.08)}
.ans-tab-icon{font-size:18px}

.ans-tab-contents{padding:24px}
.ans-tab-content{display:none;animation:ansFade .3s}
.ans-tab-content.active{display:block}
@keyframes ansFade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

.ans-single-heading{margin:0 0 16px;font-size:24px;color:#111827}
.ans-tool-help{background:#f0f9ff;border-left:4px solid #0ea5e9;padding:10px 14px;border-radius:8px;color:#0c4a6e;font-size:14px;margin:0 0 16px}

.ans-input-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:12px;align-items:center}
.ans-input-row select,.ans-input-row input[type="number"]{padding:9px 12px;border:1px solid #d1d5db;border-radius:8px;font-size:14px;background:#fff}
.ans-pdf-upload{display:inline-flex;align-items:center;gap:6px;background:#f3f4f6;border:1px dashed #9ca3af;padding:9px 14px;border-radius:8px;font-size:14px;cursor:pointer;font-weight:500;color:#374151}
.ans-pdf-upload:hover{background:#e5e7eb}
.ans-pdf-upload input{display:none}

.ans-input{width:100%;padding:14px;border:1px solid #d1d5db;border-radius:12px;font-size:15px;font-family:inherit;resize:vertical;background:#fff;line-height:1.6}
.ans-input:focus{outline:none;border-color:#7c3aed;box-shadow:0 0 0 3px rgba(124,58,237,.15)}

.ans-generate-btn{margin-top:12px;background:linear-gradient(135deg,#7c3aed,#4f46e5);color:#fff;border:none;padding:13px 28px;border-radius:10px;font-size:15px;font-weight:700;cursor:pointer;box-shadow:0 6px 20px rgba(124,58,237,.3);transition:.2s}
.ans-generate-btn:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(124,58,237,.4)}
.ans-generate-btn:disabled{opacity:.7;cursor:wait;transform:none}

/* Output */
.ans-output{margin-top:20px;display:none}
.ans-output.show{display:block;animation:ansFade .35s}
.ans-output-card{background:#fafaf9;border:1px solid #e7e5e4;border-radius:14px;padding:20px;font-size:15px;line-height:1.75;white-space:pre-wrap;word-wrap:break-word}
.ans-output-actions{display:flex;gap:8px;justify-content:flex-end;margin-bottom:10px;flex-wrap:wrap}
.ans-out-btn{background:#fff;border:1px solid #d1d5db;color:#374151;padding:7px 14px;border-radius:8px;cursor:pointer;font-size:13px;font-weight:500}
.ans-out-btn:hover{background:#f3f4f6}
.ans-loading{text-align:center;padding:30px;color:#6b7280}
.ans-spinner{display:inline-block;width:32px;height:32px;border:3px solid #ddd6fe;border-top-color:#7c3aed;border-radius:50%;animation:ansSpin .8s linear infinite}
@keyframes ansSpin{to{transform:rotate(360deg)}}

.ans-error{background:#fef2f2;border:1px solid #fecaca;color:#991b1b;padding:14px;border-radius:10px;margin-top:14px}
.ans-alert{background:#fffbeb;border:1px solid #fde68a;color:#92400e;padding:14px;border-radius:10px}
.ans-meta{margin-top:8px;font-size:13px;color:#6b7280;text-align:right}

/* Highlighter */
.ans-highlighter-bar{display:flex;flex-wrap:wrap;align-items:center;gap:8px;background:#fffbeb;border:1px solid #fde68a;padding:10px 14px;border-radius:10px;margin-bottom:10px}
.ans-hl-label{font-size:13px;font-weight:600;color:#78350f;margin-right:4px}
.ans-hl-color{width:28px;height:28px;border-radius:50%;border:2px solid transparent;cursor:pointer;transition:.15s;display:inline-flex;align-items:center;justify-content:center;padding:0;background-clip:padding-box}
.ans-hl-color:hover{transform:scale(1.12)}
.ans-hl-color.active{border-color:#1f2937;box-shadow:0 0 0 2px #fff inset}
.ans-hl-color[data-color="yellow"]{background:#fef08a}
.ans-hl-color[data-color="green"]{background:#bbf7d0}
.ans-hl-color[data-color="pink"]{background:#fbcfe8}
.ans-hl-color[data-color="blue"]{background:#bfdbfe}
.ans-hl-color[data-color="orange"]{background:#fed7aa}
.ans-hl-eraser{background:#fff;border:1px solid #d1d5db;color:#374151;padding:5px 10px;border-radius:8px;cursor:pointer;font-size:12px;font-weight:600}
.ans-hl-eraser:hover{background:#fee2e2;border-color:#fca5a5;color:#991b1b}
.ans-hl-clear{background:#fff;border:1px solid #d1d5db;color:#374151;padding:5px 10px;border-radius:8px;cursor:pointer;font-size:12px;font-weight:600}
.ans-hl-clear:hover{background:#f3f4f6}
.ans-hl-help{font-size:12px;color:#92400e;margin-left:auto}

.ans-output-card.ans-hl-active{cursor:text;user-select:text}
.ans-hl{padding:1px 2px;border-radius:3px;cursor:pointer;transition:.15s}
.ans-hl[data-c="yellow"]{background:#fef08a}
.ans-hl[data-c="green"]{background:#bbf7d0}
.ans-hl[data-c="pink"]{background:#fbcfe8}
.ans-hl[data-c="blue"]{background:#bfdbfe}
.ans-hl[data-c="orange"]{background:#fed7aa}

/* Mind map */
.ans-mindmap{padding:20px;background:#fff;border-radius:12px;overflow-x:auto}
.ans-mindmap ul{list-style:none;padding-left:24px;border-left:2px solid #c4b5fd;margin:6px 0}
.ans-mindmap > .ans-mm-root{padding-left:0;border-left:none}
.ans-mm-node{display:inline-block;background:#ede9fe;color:#5b21b6;padding:6px 14px;border-radius:999px;margin:4px 0;font-weight:600;font-size:14px}
.ans-mm-root > .ans-mm-node{background:linear-gradient(135deg,#7c3aed,#4f46e5);color:#fff;font-size:16px;padding:10px 20px}
.ans-mindmap li > .ans-mm-node{background:#f5f3ff}
.ans-mindmap li li > .ans-mm-node{background:#fef3c7;color:#78350f}

/* Flashcards */
.ans-flashcards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.ans-flashcard{perspective:1000px;height:180px;cursor:pointer}
.ans-flashcard-inner{position:relative;width:100%;height:100%;transition:transform .6s;transform-style:preserve-3d}
.ans-flashcard.flipped .ans-flashcard-inner{transform:rotateY(180deg)}
.ans-flashcard-face{position:absolute;width:100%;height:100%;backface-visibility:hidden;border-radius:14px;padding:18px;display:flex;align-items:center;justify-content:center;text-align:center;font-size:14px;line-height:1.5;font-weight:500;overflow:auto}
.ans-flashcard-front{background:linear-gradient(135deg,#7c3aed,#4f46e5);color:#fff}
.ans-flashcard-back{background:#fef3c7;color:#78350f;transform:rotateY(180deg);font-weight:400}
.ans-fc-label{position:absolute;top:8px;left:12px;font-size:10px;font-weight:700;letter-spacing:1px;opacity:.7}

/* MCQ */
.ans-mcq-list{display:flex;flex-direction:column;gap:14px}
.ans-mcq-item{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:16px}
.ans-mcq-q{font-weight:700;margin-bottom:10px;color:#111827}
.ans-mcq-options{display:flex;flex-direction:column;gap:6px;margin-bottom:8px}
.ans-mcq-opt{padding:8px 12px;background:#f9fafb;border-radius:8px;cursor:pointer;font-size:14px;border:1px solid transparent}
.ans-mcq-opt:hover{background:#f3e8ff;border-color:#c4b5fd}
.ans-mcq-opt.correct{background:#d1fae5;border-color:#10b981;color:#065f46;font-weight:600}
.ans-mcq-opt.wrong{background:#fee2e2;border-color:#ef4444;color:#991b1b}
.ans-mcq-explain{margin-top:10px;padding:10px;background:#fef9c3;border-radius:8px;font-size:13px;color:#713f12;display:none}
.ans-mcq-item.answered .ans-mcq-explain{display:block}

/* Footer */
.ans-footer{margin-top:40px;background:#1f2937;color:#e5e7eb;border-radius:20px;padding:30px;text-align:center}
.ans-footer-tagline{font-size:18px;font-weight:700;color:#fff;margin-bottom:14px}
.ans-footer-links{display:flex;flex-wrap:wrap;justify-content:center;gap:18px;margin-bottom:16px}
.ans-footer-links a{color:#c4b5fd;text-decoration:none;font-size:14px;font-weight:500}
.ans-footer-links a:hover{color:#fff;text-decoration:underline}
.ans-footer-copyright{font-size:13px;color:#9ca3af;border-top:1px solid #374151;padding-top:14px}

/* Modal */
.ans-modal-bg{position:fixed;inset:0;background:rgba(15,23,42,.75);display:flex;align-items:center;justify-content:center;z-index:99999;padding:20px}
.ans-modal{background:#fff;border-radius:18px;padding:30px;max-width:440px;width:100%;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.ans-modal h3{margin:0 0 12px;color:#111827;font-size:22px}
.ans-modal p{color:#4b5563;margin-bottom:22px;line-height:1.6}
.ans-modal-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.ans-modal-actions .ans-cta-btn{padding:11px 22px;font-size:14px}
.ans-modal-actions .ans-out-btn{padding:11px 22px;font-size:14px}

/* Mobile */
@media (max-width:768px){
    .ans-hero{padding:24px}
    .ans-hero-grid{grid-template-columns:1fr;gap:24px}
    .ans-hero-text h1{font-size:26px}
    .ans-hero-image{max-width:280px;margin:0 auto}
    .ans-tabs-bar{padding:6px}
    .ans-tab-btn{padding:10px;font-size:13px;min-width:100px}
    .ans-tab-contents{padding:16px}
    .ans-input-row{gap:8px}
    .ans-input-row select,.ans-input-row input[type="number"],.ans-pdf-upload{flex:1 1 auto;font-size:13px}
}