/* StudyBoard Pro — [sdb_app] Master Shortcode CSS */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800&family=Nunito:wght@400;600;700&display=swap');

/* ── Reset & Shell ───────────────────────────────────────── */
.sdba-shell{font-family:'Poppins',sans-serif;background:#F5F0FF;border-radius:16px;overflow:hidden;box-shadow:0 8px 40px rgba(108,60,225,0.15);width:100%;max-width:1100px;margin:0 auto}
.sdba-shell *{box-sizing:border-box;font-family:'Poppins',sans-serif!important}

/* ── Nav ─────────────────────────────────────────────────── */
.sdba-nav{background:linear-gradient(135deg,#1A0533,#2D0A5C);display:flex;align-items:center;padding:0 20px;gap:12px;flex-wrap:wrap;min-height:60px}
.sdba-nav-logo{display:flex;align-items:center;gap:8px;flex-shrink:0}
.sdba-nav-icon{font-size:1.4rem}
.sdba-nav-title{color:#fff;font-size:1.1rem;font-weight:800;letter-spacing:.5px}
.sdba-nav-version{background:linear-gradient(135deg,#FF3CAC,#6C3CE1);color:#fff;font-size:.65rem;font-weight:700;padding:2px 7px;border-radius:10px;letter-spacing:.5px}
.sdba-nav-tabs{display:flex;gap:2px;flex:1;overflow-x:auto;scrollbar-width:none;padding:10px 0}
.sdba-nav-tabs::-webkit-scrollbar{display:none}
.sdba-tab{display:flex;align-items:center;gap:6px;padding:8px 14px;background:transparent;border:none;color:rgba(255,255,255,.5);font-size:.82rem;font-weight:600;cursor:pointer;border-radius:8px;transition:.2s;white-space:nowrap;position:relative;font-family:'Poppins',sans-serif!important}
.sdba-tab:hover{color:#fff;background:rgba(255,255,255,.08)}
.sdba-tab.active{color:#fff;background:rgba(108,60,225,.5);box-shadow:0 0 0 1px rgba(108,60,225,.6)}
.sdba-tab-label{display:inline}
.sdba-upgrade-dot{width:7px;height:7px;background:#FF6B35;border-radius:50%;position:absolute;top:6px;right:6px}
.sdba-nav-user{display:flex;align-items:center;gap:10px;margin-left:auto;flex-shrink:0}
.sdba-user-avatar{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:.85rem;flex-shrink:0}
.sdba-user-info{display:flex;flex-direction:column;line-height:1.2}
.sdba-user-name{color:#fff;font-size:.82rem;font-weight:600}
.sdba-user-plan{font-size:.72rem;font-weight:600}
.sdba-login-link{color:rgba(255,255,255,.7);font-size:.82rem;text-decoration:none;border:1px solid rgba(255,255,255,.2);padding:6px 12px;border-radius:6px}
.sdba-login-link:hover{color:#fff;border-color:rgba(255,255,255,.5)}

/* ── Panes ───────────────────────────────────────────────── */
.sdba-pane{display:none;padding:24px;animation:sdba-fade .25s ease}
.sdba-pane.active{display:block}
@keyframes sdba-fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* ── Board ───────────────────────────────────────────────── */
.sdba-board-toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:16px}
.sdba-search-wrap{display:flex;align-items:center;gap:8px;background:#fff;border:1.5px solid #E5E7EB;border-radius:30px;padding:8px 16px;flex:1;min-width:200px}
.sdba-search-input{border:none;outline:none;font-size:.85rem;flex:1;font-family:'Poppins',sans-serif!important;color:#1A0533}
.sdba-filter-chips{display:flex;gap:6px;flex-wrap:wrap;flex:2}
.sdba-chip{padding:5px 13px;border-radius:20px;border:1.5px solid #E5E7EB;background:#fff;font-size:.78rem;font-weight:600;cursor:pointer;transition:.2s;color:#6B7280;font-family:'Poppins',sans-serif!important}
.sdba-chip.active{background:#6C3CE1;border-color:#6C3CE1;color:#fff}
.sdba-posts-feed{display:flex;flex-direction:column;gap:12px}
.sdba-spinner{text-align:center;padding:40px;color:#9CA3AF;font-size:.88rem}

/* Post Card */
.sdba-post-card{background:#fff;border-radius:12px;padding:16px 18px;cursor:pointer;transition:.2s;border-left:4px solid #6C3CE1;box-shadow:0 2px 10px rgba(108,60,225,.07)}
.sdba-post-card:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(108,60,225,.14)}
.sdba-post-pin{font-size:.72rem;font-weight:700;color:#FF6B35;margin-bottom:5px}
.sdba-post-title{font-size:.97rem;font-weight:700;color:#1A0533;margin-bottom:5px;line-height:1.4}
.sdba-post-excerpt{font-size:.82rem;color:#6B7280;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.5}
.sdba-post-tags{display:flex;gap:5px;flex-wrap:wrap;margin-bottom:10px}
.sdba-tag{padding:2px 9px;border-radius:12px;font-size:.72rem;font-weight:700}
.sdba-post-footer{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:6px}
.sdba-post-author{display:flex;align-items:center;gap:7px}
.sdba-av{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:.72rem;font-weight:800;flex-shrink:0}
.sdba-av-name{font-size:.8rem;font-weight:600;color:#1A0533}
.sdba-av-course{font-size:.7rem;color:#9CA3AF}
.sdba-post-stats{display:flex;gap:10px;font-size:.78rem;color:#9CA3AF}

/* ── Tool Hero ───────────────────────────────────────────── */
.sdba-tool-hero{border-radius:12px;padding:20px 24px;display:flex;align-items:center;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.sdba-tool-hero h2{color:#fff;font-size:1.2rem;margin:0 0 4px;font-weight:800}
.sdba-tool-hero p{color:rgba(255,255,255,.75);font-size:.82rem;margin:0}
.sdba-tool-hero-icon{font-size:2.2rem;background:rgba(255,255,255,.15);width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;flex-shrink:0}

/* ── Two-col layout ──────────────────────────────────────── */
.sdba-two-col{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media(max-width:700px){.sdba-two-col{grid-template-columns:1fr}}
.sdba-col-inputs{display:flex;flex-direction:column;gap:4px}
.sdba-col-output{display:flex;flex-direction:column;gap:0}

/* ── Fields ──────────────────────────────────────────────── */
.sdba-field{margin-bottom:14px}
.sdba-field label{display:block;font-size:.8rem;font-weight:700;color:#1A0533;margin-bottom:5px}
.sdba-required{color:#FF3CAC}
.sdba-field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.sdba-input,.sdba-textarea{width:100%;padding:9px 13px;border:1.5px solid #E5E7EB;border-radius:8px;font-size:.85rem;color:#1A0533;background:#fff;transition:.2s;font-family:'Poppins',sans-serif!important}
.sdba-input:focus,.sdba-textarea:focus{outline:none;border-color:#6C3CE1;box-shadow:0 0 0 3px rgba(108,60,225,.1)}
.sdba-textarea{resize:vertical;min-height:76px;line-height:1.5}
.sdba-textarea-tall{min-height:120px}

/* ── Buttons ─────────────────────────────────────────────── */
.sdba-btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:8px;font-weight:700;font-size:.83rem;cursor:pointer;border:2px solid transparent;transition:.2s;text-decoration:none;font-family:'Poppins',sans-serif!important}
.sdba-btn-primary{background:linear-gradient(135deg,#6C3CE1,#FF3CAC);color:#fff;border:none}
.sdba-btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 16px rgba(108,60,225,.35);color:#fff}
.sdba-btn-ghost{background:transparent;color:#6C3CE1;border-color:#6C3CE1}
.sdba-btn-ghost:hover{background:#F0EBFF}
.sdba-btn-outline{background:#fff;color:#6C3CE1;border-color:#6C3CE1}
.sdba-btn-lg{padding:11px 24px;font-size:.9rem}
.sdba-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:4px}

/* ── Output ──────────────────────────────────────────────── */
.sdba-output-bar{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1.5px solid #E5E7EB;margin-bottom:12px}
.sdba-output-title{font-size:.88rem;font-weight:700;color:#1A0533}
.sdba-copy-btn{background:linear-gradient(135deg,#00D4AA,#009688);color:#fff;border:none;border-radius:6px;padding:6px 14px;font-size:.78rem;font-weight:700;cursor:pointer;transition:.2s;font-family:'Poppins',sans-serif!important}
.sdba-copy-btn:hover{transform:translateY(-1px)}
.sdba-copy-btn.copied{background:#E6FFF9;color:#006d5b}
.sdba-placeholder{min-height:180px;border:2px dashed #D1D5DB;border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:24px;color:#9CA3AF;font-size:.85rem;background:#fff}
.sdba-placeholder-emoji{font-size:2.5rem;margin-bottom:10px}
.sdba-placeholder p{margin:0 0 4px;font-weight:500}
.sdba-placeholder small{font-size:.75rem}
.sdba-output-text{background:#fff;border:1.5px solid #E5E7EB;border-radius:12px;padding:18px;font-size:.88rem;line-height:1.85;color:#1A0533;white-space:pre-wrap;word-break:break-word;min-height:180px}
.sdba-output-text strong,.sdba-output-text b{color:#6C3CE1;font-weight:700}

/* ── Refs Panel ──────────────────────────────────────────── */
.sdba-refs-panel{background:#F9F5FF;border-radius:10px;padding:14px;margin-top:10px}
.sdba-ref-item{background:#fff;border-left:3px solid #6C3CE1;border-radius:6px;padding:10px 12px;margin-bottom:8px}
.sdba-ref-item:last-child{margin-bottom:0}
.sdba-ref-title{font-weight:700;font-size:.83rem;color:#1A0533;margin-bottom:2px}
.sdba-ref-meta{font-size:.75rem;color:#6B7280;margin-bottom:4px}
.sdba-ref-apa{font-style:italic;font-size:.78rem;color:#6C3CE1}

/* ── Plans ───────────────────────────────────────────────── */
.sdba-plans-hero{text-align:center;padding:28px 20px 20px;background:linear-gradient(135deg,#1A0533,#3D1278);border-radius:12px;margin-bottom:24px;color:#fff}
.sdba-plans-hero h2{font-size:1.6rem;font-weight:800;margin:0 0 8px}
.sdba-plans-hero p{font-size:.88rem;opacity:.75;margin:0 0 12px}
.sdba-current-plan-tag{display:inline-flex;align-items:center;gap:6px;padding:6px 16px;border-radius:20px;color:#fff;font-size:.8rem;font-weight:700}
.sdba-plans-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:18px;margin-bottom:16px}
.sdba-plan-card{border-radius:14px;overflow:hidden;border:2px solid #E5E7EB;background:#fff;transition:.2s;position:relative}
.sdba-plan-card:hover{transform:translateY(-4px);box-shadow:0 10px 30px rgba(108,60,225,.15)}
.sdba-plan-card.sdba-plan-active{border-color:#00D4AA}
.sdba-plan-card.sdba-plan-popular{border-color:#6C3CE1}
.sdba-popular-ribbon{position:absolute;top:-1px;left:50%;transform:translateX(-50%);background:#6C3CE1;color:#fff;font-size:.7rem;font-weight:800;padding:4px 14px;border-radius:0 0 10px 10px;white-space:nowrap}
.sdba-plan-top{padding:20px 18px;color:#fff;text-align:center}
.sdba-plan-icon{font-size:2.2rem;margin-bottom:6px}
.sdba-plan-name{font-size:1.1rem;font-weight:800;margin-bottom:4px}
.sdba-plan-price{font-size:2rem;font-weight:800;line-height:1}
.sdba-plan-price span{font-size:.85rem;font-weight:400;opacity:.8}
.sdba-plan-body{padding:16px}
.sdba-plan-features{list-style:none;padding:0;margin:0 0 16px;display:flex;flex-direction:column;gap:7px}
.sdba-plan-features li{display:flex;align-items:flex-start;gap:7px;font-size:.8rem;color:#4B5563}
.f-icon{flex-shrink:0;width:18px;text-align:center}
.sdba-plan-btn{width:100%;justify-content:center;color:#fff;border:none}
.sdba-plan-btn:hover{transform:translateY(-2px);color:#fff}
.sdba-plan-current-btn{display:block;text-align:center;background:#E6FFF9;color:#006d5b;border-radius:8px;padding:9px;font-size:.83rem;font-weight:700}
.sdba-paypal-footer{text-align:center;font-size:.78rem;color:#9CA3AF;padding:10px}

/* ── Dashboard ───────────────────────────────────────────── */
.sdba-profile-banner{border-radius:12px;padding:24px;display:flex;align-items:center;gap:18px;margin-bottom:20px;flex-wrap:wrap}
.sdba-profile-av{width:68px;height:68px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.5rem;font-weight:800;flex-shrink:0}
.sdba-profile-details h2{color:#fff;font-size:1.3rem;margin:0 0 3px;font-weight:800}
.sdba-profile-details p{color:rgba(255,255,255,.6);font-size:.82rem;margin:0 0 8px}
.sdba-plan-badge{display:inline-flex;align-items:center;gap:5px;padding:4px 12px;border-radius:20px;color:#fff;font-size:.75rem;font-weight:700}
.sdba-logout-btn{margin-left:auto;color:rgba(255,255,255,.6);font-size:.78rem;text-decoration:none;border:1px solid rgba(255,255,255,.2);padding:6px 12px;border-radius:6px}
.sdba-logout-btn:hover{color:#fff;border-color:rgba(255,255,255,.5)}
.sdba-meters-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px;margin-bottom:20px}
.sdba-meter-card{background:#fff;border-radius:10px;padding:14px;box-shadow:0 2px 8px rgba(108,60,225,.07)}
.sdba-meter-top{display:flex;justify-content:space-between;font-size:.82rem;font-weight:600;margin-bottom:8px}
.sdba-meter-label{color:#1A0533}
.sdba-meter-count{font-weight:700}
.sdba-meter-bar{height:8px;background:#F3F4F6;border-radius:4px;overflow:hidden}
.sdba-meter-fill{height:100%;border-radius:4px;transition:width .6s cubic-bezier(.4,0,.2,1)}
.sdba-quick-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;margin-bottom:20px}
.sdba-quick-btn{background:#fff;border-radius:12px;padding:18px 14px;display:flex;flex-direction:column;align-items:center;text-align:center;gap:5px;border:none;cursor:pointer;transition:.2s;box-shadow:0 2px 8px rgba(108,60,225,.07);font-family:'Poppins',sans-serif!important}
.sdba-quick-btn:hover{transform:translateY(-3px);box-shadow:0 6px 18px rgba(108,60,225,.14)}
.sdba-quick-icon{font-size:1.8rem;margin-bottom:2px}
.sdba-quick-btn strong{font-size:.88rem;color:#1A0533}
.sdba-quick-btn span{font-size:.75rem;color:#9CA3AF}
.sdba-dash-upgrade{display:flex;align-items:center;gap:14px;background:linear-gradient(135deg,#F0EBFF,#FFE8F5);border:1.5px solid #6C3CE1;border-radius:12px;padding:16px 18px;flex-wrap:wrap}
.sdba-dash-upgrade>span{font-size:1.8rem;flex-shrink:0}
.sdba-dash-upgrade strong{display:block;font-size:.9rem;color:#1A0533;margin-bottom:3px}
.sdba-dash-upgrade p{font-size:.8rem;color:#6B7280;margin:0}

/* ── Modal ───────────────────────────────────────────────── */
.sdba-modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:999999;display:flex;align-items:center;justify-content:center;padding:16px}
.sdba-modal{background:#fff;border-radius:16px;width:100%;max-width:520px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.sdba-modal-xl{max-width:820px}
.sdba-modal-hdr{display:flex;justify-content:space-between;align-items:center;padding:18px 22px;border-bottom:1px solid #E5E7EB}
.sdba-modal-hdr h3{font-size:1.05rem;font-weight:700;margin:0;color:#1A0533}
.sdba-modal-x{background:none;border:none;font-size:1.1rem;cursor:pointer;color:#9CA3AF;padding:4px;line-height:1}
.sdba-modal-body{padding:18px 22px}
.sdba-modal-ftr{padding:14px 22px;border-top:1px solid #E5E7EB;display:flex;gap:10px;justify-content:flex-end}

/* ── Gate / Upgrade Wall ─────────────────────────────────── */
.sdba-gate,.sdba-upgrade-wall{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:60px 24px;gap:12px}
.sdba-gate-icon,.sdba-uw-icon{font-size:3rem}
.sdba-gate h3,.sdba-upgrade-wall h3{font-size:1.2rem;font-weight:800;color:#1A0533;margin:0}
.sdba-gate p,.sdba-upgrade-wall p{font-size:.88rem;color:#6B7280;margin:0;max-width:360px}

/* ── Reply Card ──────────────────────────────────────────── */
.sdba-reply-card{background:#F9F5FF;border-radius:10px;padding:14px;margin-bottom:10px;border-left:3px solid #E5E7EB}
.sdba-reply-card.sdba-reply-ai{border-left-color:#6C3CE1;background:#F0EBFF}
.sdba-reply-header{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.sdba-reply-author{font-size:.82rem;font-weight:700;color:#1A0533}
.sdba-ai-badge{background:#6C3CE1;color:#fff;font-size:.65rem;font-weight:800;padding:2px 7px;border-radius:10px}
.sdba-reply-time{font-size:.72rem;color:#9CA3AF;margin-left:auto}
.sdba-reply-content{font-size:.83rem;line-height:1.65;color:#374151}

/* ── Responsive ──────────────────────────────────────────── */
@media(max-width:600px){
  .sdba-nav{padding:0 12px}
  .sdba-tab-label{display:none}
  .sdba-pane{padding:16px}
  .sdba-plans-grid{grid-template-columns:1fr 1fr}
  .sdba-nav-user .sdba-user-info{display:none}
  .sdba-field-row{grid-template-columns:1fr}
}
@media(max-width:400px){
  .sdba-plans-grid{grid-template-columns:1fr}
}