/* ── ShikshaAI Plugin Styles ── */
:root {
  --sai-accent:   #c8410a;
  --sai-accent2:  #e8962a;
  --sai-green:    #2d6e47;
  --sai-blue:     #1a5292;
  --sai-purple:   #5e3a8a;
  --sai-teal:     #1a6e6e;
  --sai-brown:    #8a5a1a;
  --sai-ink:      #1c1a16;
  --sai-ink2:     #4a4640;
  --sai-ink3:     #9a9488;
  --sai-bg:       #faf8f4;
  --sai-surface:  #ffffff;
  --sai-border:   #e8e3d8;
  --sai-border2:  #d5cfc0;
  --sai-shadow:   0 1px 4px rgba(0,0,0,.06),0 4px 16px rgba(0,0,0,.04);
  --sai-shadow-lg:0 8px 32px rgba(0,0,0,.12);
  --sai-radius:   12px;
}

/* Category colours */
.sai-cat-classroom     { background: rgba(200,65,10,.1);  color: #c8410a; }
.sai-cat-exam          { background: rgba(26,82,146,.1);  color: #1a5292; }
.sai-cat-reports       { background: rgba(45,110,71,.1);  color: #2d6e47; }
.sai-cat-communication { background: rgba(94,58,138,.1);  color: #5e3a8a; }
.sai-cat-hindi         { background: rgba(26,110,110,.1); color: #1a6e6e; }
.sai-cat-admin         { background: rgba(138,90,26,.1);  color: #8a5a1a; }

.sai-cat-badge-classroom     { background: rgba(200,65,10,.08);  color: #c8410a; }
.sai-cat-badge-exam          { background: rgba(26,82,146,.08);  color: #1a5292; }
.sai-cat-badge-reports       { background: rgba(45,110,71,.08);  color: #2d6e47; }
.sai-cat-badge-communication { background: rgba(94,58,138,.08);  color: #5e3a8a; }
.sai-cat-badge-hindi         { background: rgba(26,110,110,.08); color: #1a6e6e; }
.sai-cat-badge-admin         { background: rgba(138,90,26,.08);  color: #8a5a1a; }

/* ── WRAP ── */
.sai-wrap { font-family: -apple-system, 'Segoe UI', sans-serif; color: var(--sai-ink); }

/* ── TOP BAR ── */
.sai-topbar {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--sai-surface); border: 1px solid var(--sai-border);
  border-radius: var(--sai-radius); padding: 16px 20px; margin-bottom: 20px;
  box-shadow: var(--sai-shadow); flex-wrap: wrap; gap: 12px;
}
.sai-greeting { display: flex; align-items: center; gap: 12px; }
.sai-greeting-wave { font-size: 22px; }
.sai-greeting-name { font-size: 16px; font-weight: 700; color: var(--sai-ink); }
.sai-greeting-school { font-size: 12px; color: var(--sai-ink3); margin-top: 1px; }
.sai-topbar-right { display: flex; align-items: center; gap: 14px; }
.sai-credit-widget { min-width: 160px; }
.sai-cw-label { font-size: 11px; color: var(--sai-ink3); margin-bottom: 5px; font-weight: 500; letter-spacing: .5px; text-transform: uppercase; }
.sai-cw-bar-wrap { height: 6px; background: #f0ede6; border-radius: 100px; overflow: hidden; margin-bottom: 4px; }
.sai-cw-bar { height: 100%; border-radius: 100px; background: var(--sai-green); transition: width .5s; }
.sai-cw-bar[data-pct="100"], .sai-cw-bar[style*="100%"] { background: var(--sai-accent); }
.sai-cw-nums { font-size: 12px; color: var(--sai-ink3); }
.sai-cw-nums strong { font-size: 14px; }
.sai-ok { color: var(--sai-green) !important; }
.sai-warn { color: var(--sai-accent) !important; }

/* ── TOOLBAR ── */
.sai-toolbar {
  display: flex; align-items: center; gap: 12px; margin-bottom: 20px; flex-wrap: wrap;
}
.sai-search-box {
  display: flex; align-items: center; gap: 8px;
  background: var(--sai-surface); border: 1px solid var(--sai-border);
  border-radius: 10px; padding: 9px 14px; flex: 1; min-width: 200px;
  box-shadow: var(--sai-shadow);
}
.sai-search-box input {
  border: none; outline: none; background: none;
  font-size: 14px; color: var(--sai-ink); flex: 1; font-family: inherit;
}
.sai-cat-tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.sai-cat-btn {
  background: var(--sai-surface); border: 1px solid var(--sai-border);
  color: var(--sai-ink3); padding: 7px 14px; border-radius: 8px;
  font-size: 12px; font-weight: 500; cursor: pointer; transition: all .18s;
  font-family: inherit;
}
.sai-cat-btn:hover { color: var(--sai-ink); border-color: var(--sai-border2); }
.sai-cat-btn.active { background: var(--sai-ink); border-color: var(--sai-ink); color: white; }
.sai-tool-count { font-size: 12px; color: var(--sai-ink3); white-space: nowrap; }

/* ── TOOLS GRID ── */
.sai-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}
.sai-tool-card {
  background: var(--sai-surface); border: 1px solid var(--sai-border);
  border-radius: var(--sai-radius); padding: 18px; cursor: pointer;
  transition: all .2s; box-shadow: var(--sai-shadow); position: relative;
}
.sai-tool-card::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px; border-radius: 0 2px 2px 0;
  background: var(--sai-accent); transform: scaleY(0);
  transform-origin: bottom; transition: transform .25s;
}
.sai-tool-card:hover { border-color: var(--sai-border2); box-shadow: var(--sai-shadow-lg); transform: translateY(-2px); }
.sai-tool-card:hover::before { transform: scaleY(1); }
.sai-tool-card[style*="display:none"] { display: none !important; }

.sai-tc-head { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 10px; }
.sai-tc-icon { width: 40px; height: 40px; border-radius: 9px; display: flex; align-items: center; justify-content: center; font-size: 18px; }
.sai-tc-cat { font-size: 10px; font-weight: 600; letter-spacing: .8px; text-transform: uppercase; padding: 3px 8px; border-radius: 5px; }
.sai-tc-name { font-size: 15px; font-weight: 700; color: var(--sai-ink); margin-bottom: 6px; line-height: 1.3; }
.sai-tc-desc { font-size: 12px; color: var(--sai-ink3); line-height: 1.6; margin-bottom: 14px; }
.sai-tc-foot { display: flex; align-items: center; justify-content: space-between; }
.sai-tc-fields { font-size: 11px; color: var(--sai-ink3); }
.sai-tc-use {
  background: none; border: 1px solid var(--sai-border); color: var(--sai-ink2);
  padding: 5px 12px; border-radius: 7px; font-size: 12px; font-weight: 500;
  cursor: pointer; font-family: inherit; transition: all .18s;
}
.sai-tool-card:hover .sai-tc-use { background: var(--sai-accent); border-color: var(--sai-accent); color: white; }

/* ── MODAL ── */
.sai-modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(28,26,22,.7); backdrop-filter: blur(6px);
  z-index: 99999; align-items: center; justify-content: center; padding: 20px;
}
.sai-modal-overlay.open { display: flex; }

.sai-modal {
  background: var(--sai-surface); border: 1px solid var(--sai-border);
  border-radius: 18px; width: 100%; max-width: 580px;
  max-height: 92vh; overflow: hidden; display: flex; flex-direction: column;
  box-shadow: 0 32px 80px rgba(0,0,0,.2);
  animation: sai-modal-in .22s ease;
}
@keyframes sai-modal-in { from { transform: translateY(16px) scale(.98); opacity: 0; } to { transform: none; opacity: 1; } }

.sai-modal-head {
  padding: 22px 24px 18px; border-bottom: 1px solid var(--sai-border);
  display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; flex-shrink: 0;
}
.sai-modal-head-left { display: flex; align-items: center; gap: 14px; }
.sai-modal-icon { width: 46px; height: 46px; border-radius: 11px; display: flex; align-items: center; justify-content: center; font-size: 20px; flex-shrink: 0; }
.sai-modal-title { font-size: 18px; font-weight: 800; color: var(--sai-ink); letter-spacing: -.3px; }
.sai-modal-sub { font-size: 12px; color: var(--sai-ink3); margin-top: 2px; }
.sai-modal-close {
  width: 30px; height: 30px; background: #f3f0ea; border: 1px solid var(--sai-border);
  color: var(--sai-ink3); border-radius: 7px; cursor: pointer; font-size: 13px;
  display: flex; align-items: center; justify-content: center; transition: all .18s; flex-shrink: 0;
}
.sai-modal-close:hover { border-color: var(--sai-accent); color: var(--sai-accent); }
.sai-modal-body { padding: 20px 24px; overflow-y: auto; flex: 1; }

/* FORM FIELDS */
.sai-fg { margin-bottom: 14px; }
.sai-fg label { display: block; font-size: 11px; font-weight: 600; letter-spacing: 1.2px; text-transform: uppercase; color: var(--sai-ink3); margin-bottom: 6px; }
.sai-fg input,.sai-fg textarea,.sai-fg select {
  width: 100%; background: var(--sai-bg); border: 1px solid var(--sai-border);
  border-radius: 8px; padding: 9px 13px; color: var(--sai-ink);
  font-family: inherit; font-size: 14px; outline: none; transition: border-color .18s; resize: vertical;
}
.sai-fg input:focus,.sai-fg textarea:focus,.sai-fg select:focus { border-color: var(--sai-accent); background: white; }

.sai-btn-generate {
  width: 100%; background: var(--sai-accent); color: white; border: none;
  border-radius: 10px; padding: 13px; font-size: 15px; font-weight: 700;
  cursor: pointer; transition: all .18s; margin-top: 4px;
  display: flex; align-items: center; justify-content: center; gap: 8px; font-family: inherit;
}
.sai-btn-generate:hover:not(:disabled) { background: #a8330a; }
.sai-btn-generate:disabled { opacity: .45; cursor: not-allowed; }

/* OUTPUT */
.sai-output-wrap { border-top: 1px solid var(--sai-border); flex-shrink: 0; }
.sai-output-toolbar {
  padding: 10px 18px; background: #f3f0ea; border-bottom: 1px solid var(--sai-border);
  display: flex; align-items: center; justify-content: space-between;
}
.sai-output-label { font-size: 11px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; color: var(--sai-ink3); }
.sai-export-btns { display: flex; gap: 6px; }
.sai-exp-btn {
  background: var(--sai-surface); border: 1px solid var(--sai-border);
  color: var(--sai-ink2); padding: 4px 11px; border-radius: 6px;
  font-size: 11px; font-weight: 600; cursor: pointer; font-family: inherit; transition: all .18s;
}
.sai-exp-btn:hover { border-color: var(--sai-accent); color: var(--sai-accent); }
.sai-output-content {
  padding: 18px 22px; max-height: 400px; overflow-y: auto;
  font-size: 13.5px; line-height: 1.85; color: var(--sai-ink);
}

/* OUTPUT TYPOGRAPHY */
.sai-output-content h1 { font-size: 20px; font-weight: 800; margin: 0 0 12px; border-bottom: 2px solid var(--sai-accent); padding-bottom: 8px; }
.sai-output-content h2 { font-size: 16px; font-weight: 700; margin: 18px 0 8px; }
.sai-output-content h3 { font-size: 13px; font-weight: 700; margin: 14px 0 6px; text-transform: uppercase; letter-spacing: .5px; color: var(--sai-ink2); }
.sai-output-content p { margin: 0 0 10px; }
.sai-output-content ul,.sai-output-content ol { padding-left: 22px; margin: 6px 0 12px; }
.sai-output-content li { margin: 4px 0; }
.sai-output-content strong { font-weight: 700; }
.sai-output-content table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 13px; }
.sai-output-content th { background: #f3f0ea; padding: 8px 11px; text-align: left; font-size: 11px; font-weight: 600; letter-spacing: .5px; text-transform: uppercase; border: 1px solid var(--sai-border); }
.sai-output-content td { padding: 8px 11px; border: 1px solid var(--sai-border); vertical-align: top; }
.sai-output-content tr:nth-child(even) td { background: #faf8f4; }
.sai-output-content .answer-key { background: rgba(45,110,71,.06); border: 1px solid rgba(45,110,71,.2); border-radius: 10px; padding: 14px 16px; margin-top: 16px; }
.sai-output-content hr { border: none; border-top: 1px solid var(--sai-border); margin: 14px 0; }

/* ── BUTTONS ── */
.sai-btn-primary {
  background: var(--sai-accent); color: white; border: none; border-radius: 8px;
  padding: 9px 20px; font-size: 13px; font-weight: 600; cursor: pointer;
  font-family: inherit; transition: all .18s; text-decoration: none; display: inline-block;
}
.sai-btn-primary:hover { background: #a8330a; color: white; }
.sai-btn-ghost {
  background: none; border: 1px solid var(--sai-border); color: var(--sai-ink2);
  border-radius: 8px; padding: 8px 18px; font-size: 13px; font-weight: 500;
  cursor: pointer; font-family: inherit; transition: all .18s; text-decoration: none; display: inline-block;
}
.sai-btn-ghost:hover { border-color: var(--sai-border2); color: var(--sai-ink); }
.sai-btn-small {
  background: var(--sai-accent); color: white; border: none; border-radius: 6px;
  padding: 5px 12px; font-size: 12px; font-weight: 600; cursor: pointer;
  font-family: inherit; transition: all .18s;
}
.sai-link-btn { font-size: 12px; color: var(--sai-accent); text-decoration: none; font-weight: 600; }
.sai-link-btn:hover { text-decoration: underline; }

/* ── DASHBOARD ── */
.sai-dash-wrap { max-width: 900px; }
.sai-dash-header {
  background: var(--sai-surface); border: 1px solid var(--sai-border);
  border-radius: var(--sai-radius); padding: 20px 24px; margin-bottom: 20px;
  display: flex; align-items: center; gap: 16px; box-shadow: var(--sai-shadow);
}
.sai-dash-avatar {
  width: 54px; height: 54px; border-radius: 50%; display: flex; align-items: center;
  justify-content: center; font-size: 20px; font-weight: 900; color: white; flex-shrink: 0;
}
.sai-dash-name { font-size: 18px; font-weight: 800; color: var(--sai-ink); letter-spacing: -.3px; }
.sai-dash-meta { display: flex; align-items: center; gap: 10px; margin-top: 4px; flex-wrap: wrap; }
.sai-dash-meta span { font-size: 12px; color: var(--sai-ink3); }
.sai-plan-badge { font-size: 11px; font-weight: 700; padding: 2px 9px; border-radius: 5px; letter-spacing: .5px; }
.sai-dash-use-btn { margin-left: auto; }

.sai-stat-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; margin-bottom: 16px; }
.sai-stat-card { background: var(--sai-surface); border: 1px solid var(--sai-border); border-radius: var(--sai-radius); padding: 16px 18px; box-shadow: var(--sai-shadow); }
.sai-sc-label { font-size: 11px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; color: var(--sai-ink3); margin-bottom: 8px; }
.sai-sc-val { font-size: 26px; font-weight: 800; color: var(--sai-ink); letter-spacing: -1px; }
.sai-sc-val em { font-size: 14px; color: var(--sai-ink3); font-style: normal; font-weight: 400; }
.sai-sc-sub { font-size: 11px; color: var(--sai-ink3); margin-top: 4px; }
.sai-sc-plan { font-size: 18px !important; }

.sai-credit-bar-card { background: var(--sai-surface); border: 1px solid var(--sai-border); border-radius: var(--sai-radius); padding: 18px 22px; margin-bottom: 16px; box-shadow: var(--sai-shadow); }
.sai-cb-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.sai-cb-title { font-size: 13px; font-weight: 600; color: var(--sai-ink); }
.sai-cb-nums { font-size: 13px; color: var(--sai-ink3); }
.sai-cb-nums strong { color: var(--sai-accent); font-size: 15px; }
.sai-cb-track { height: 10px; background: #f0ede6; border-radius: 100px; overflow: hidden; }
.sai-cb-fill { height: 100%; border-radius: 100px; background: var(--sai-green); transition: width .5s; }
.sai-cb-fill.warn { background: var(--sai-accent2); }
.sai-cb-fill.ok  { background: var(--sai-green); }
.sai-cb-reset { font-size: 11px; color: var(--sai-ink3); margin-top: 8px; }

.sai-alert { display: flex; align-items: center; gap: 12px; padding: 14px 18px; border-radius: 10px; margin-bottom: 16px; }
.sai-alert-warn { background: rgba(232,150,42,.08); border: 1px solid rgba(232,150,42,.25); color: #8a5a1a; }
.sai-alert a { color: var(--sai-blue); }

.sai-dash-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.sai-section-card { background: var(--sai-surface); border: 1px solid var(--sai-border); border-radius: var(--sai-radius); padding: 20px 22px; margin-bottom: 16px; box-shadow: var(--sai-shadow); }
.sai-section-card h3 { font-size: 14px; font-weight: 700; color: var(--sai-ink); margin: 0 0 16px; }
.sai-section-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.sai-section-head h3 { margin: 0; }

.sai-activity-list { display: flex; flex-direction: column; gap: 8px; }
.sai-activity-item { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--sai-border); }
.sai-activity-item:last-child { border-bottom: none; }
.sai-ai-icon { width: 34px; height: 34px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 15px; flex-shrink: 0; }
.sai-ai-name { font-size: 13px; font-weight: 600; color: var(--sai-ink); }
.sai-ai-time { font-size: 11px; color: var(--sai-ink3); margin-top: 1px; }
.sai-empty-state { text-align: center; padding: 24px; color: var(--sai-ink3); font-size: 13px; }
.sai-empty-state div { font-size: 32px; margin-bottom: 8px; }

.sai-current-plan-box { border: 1.5px solid; border-radius: 10px; padding: 16px; margin-bottom: 14px; }
.sai-cp-name { font-size: 16px; font-weight: 800; margin-bottom: 2px; }
.sai-cp-credits { font-size: 13px; color: var(--sai-ink3); margin-bottom: 10px; }
.sai-cp-features { list-style: none; padding: 0; font-size: 12px; color: var(--sai-ink2); }
.sai-cp-features li { padding: 3px 0; }
.sai-cp-features li::before { content: '✓ '; color: var(--sai-green); font-weight: 700; }
.sai-upgrade-btns { display: flex; flex-direction: column; gap: 8px; }
.sai-upgrade-btn {
  border: 1.5px solid; border-radius: 9px; padding: 9px 16px;
  font-size: 13px; font-weight: 600; cursor: pointer; text-align: center;
  text-decoration: none; transition: all .18s; background: none;
}
.sai-upgrade-btn:hover { filter: brightness(.9); }

.sai-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.sai-table th { padding: 9px 12px; background: #f3f0ea; text-align: left; font-size: 11px; font-weight: 600; letter-spacing: .5px; text-transform: uppercase; border-bottom: 1px solid var(--sai-border); }
.sai-table td { padding: 9px 12px; border-bottom: 1px solid var(--sai-border); }
.sai-table tr:last-child td { border-bottom: none; }

/* Settings */
.sai-settings-form { max-width: 600px; }
.sai-settings-row { margin-bottom: 16px; }
.sai-settings-row label { display: block; font-size: 12px; font-weight: 600; color: var(--sai-ink2); margin-bottom: 6px; }
.sai-settings-row label small { font-weight: 400; color: var(--sai-ink3); margin-left: 8px; }
.sai-settings-row label small a { color: var(--sai-blue); }
.sai-settings-row input { width: 100%; background: var(--sai-bg); border: 1px solid var(--sai-border); border-radius: 8px; padding: 9px 13px; font-size: 14px; font-family: inherit; outline: none; color: var(--sai-ink); transition: border-color .18s; }
.sai-settings-row input:focus { border-color: var(--sai-accent); background: white; }
.sai-settings-row small { font-size: 11px; color: var(--sai-ink3); display: block; margin-top: 4px; }
.sai-api-key-row { display: flex; gap: 8px; }
.sai-api-key-row input { flex: 1; }

/* ── HISTORY PAGE ── */
.sai-history-wrap { max-width: 860px; }
.sai-history-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; gap: 12px; flex-wrap: wrap; }
.sai-history-head h2 { font-size: 22px; font-weight: 800; color: var(--sai-ink); margin: 0; }
.sai-history-total { font-size: 13px; color: var(--sai-ink3); margin-top: 2px; }
.sai-history-actions { display: flex; gap: 8px; }
.sai-hist-filters { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.sai-hist-filter { background: var(--sai-surface); border: 1px solid var(--sai-border); color: var(--sai-ink3); padding: 6px 14px; border-radius: 8px; font-size: 12px; font-weight: 500; cursor: pointer; font-family: inherit; transition: all .18s; }
.sai-hist-filter.active { background: var(--sai-ink); border-color: var(--sai-ink); color: white; }
.sai-history-list { display: flex; flex-direction: column; gap: 10px; }
.sai-hist-item {
  background: var(--sai-surface); border: 1px solid var(--sai-border); border-radius: var(--sai-radius);
  padding: 14px 16px; display: flex; align-items: flex-start; gap: 14px;
  cursor: pointer; transition: all .18s; box-shadow: var(--sai-shadow);
}
.sai-hist-item:hover { border-color: var(--sai-border2); box-shadow: var(--sai-shadow-lg); }
.sai-hi-icon { width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; }
.sai-hi-info { flex: 1; min-width: 0; }
.sai-hi-name { font-size: 14px; font-weight: 700; color: var(--sai-ink); margin-bottom: 3px; }
.sai-hi-meta { font-size: 11px; color: var(--sai-ink3); margin-bottom: 4px; }
.sai-hi-preview { font-size: 12px; color: var(--sai-ink3); line-height: 1.5; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.sai-hi-actions { display: flex; gap: 6px; flex-shrink: 0; }
.sai-hi-btn { background: none; border: 1px solid var(--sai-border); color: var(--sai-ink3); padding: 4px 10px; border-radius: 6px; font-size: 11px; font-weight: 600; cursor: pointer; font-family: inherit; transition: all .18s; }
.sai-hi-btn:hover { border-color: var(--sai-accent); color: var(--sai-accent); }
.sai-hi-btn.del:hover { border-color: #e74c3c; color: #e74c3c; }
.sai-hist-pagination { display: flex; gap: 6px; justify-content: center; margin-top: 20px; flex-wrap: wrap; }
.sai-page-btn { background: var(--sai-surface); border: 1px solid var(--sai-border); color: var(--sai-ink2); padding: 6px 12px; border-radius: 7px; font-size: 12px; cursor: pointer; font-family: inherit; transition: all .18s; }
.sai-page-btn.active { background: var(--sai-ink); border-color: var(--sai-ink); color: white; }
.sai-hist-modal-inner { max-width: 600px; }
.sai-loading { text-align: center; padding: 40px; color: var(--sai-ink3); font-size: 14px; }

/* ── LOGIN PROMPT ── */
.sai-login-prompt { padding: 60px 20px; text-align: center; }
.sai-login-prompt-inner { max-width: 380px; margin: 0 auto; }
.sai-lp-icon { font-size: 48px; margin-bottom: 16px; }
.sai-login-prompt h3 { font-size: 22px; font-weight: 800; color: var(--sai-ink); margin-bottom: 8px; }
.sai-login-prompt p { font-size: 15px; color: var(--sai-ink3); margin-bottom: 22px; }
.sai-lp-btns { display: flex; gap: 10px; justify-content: center; }

/* ── NAV CREDITS BAR ── */
.sai-nav-credits a {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(200,65,10,.08); border: 1px solid rgba(200,65,10,.2);
  color: var(--sai-accent) !important; padding: 5px 14px; border-radius: 100px;
  font-size: 13px; font-weight: 600; text-decoration: none; transition: all .18s;
}
.sai-nav-credits a:hover { background: rgba(200,65,10,.15); }

/* ── SPINNER ── */
.sai-spin {
  width: 16px; height: 16px; border: 2px solid rgba(255,255,255,.3);
  border-top-color: white; border-radius: 50%; animation: sai-spin .7s linear infinite; display: inline-block;
}
@keyframes sai-spin { to { transform: rotate(360deg); } }

/* Responsive */
@media (max-width: 768px) {
  .sai-stat-grid { grid-template-columns: 1fr 1fr; }
  .sai-dash-cols { grid-template-columns: 1fr; }
  .sai-tools-grid { grid-template-columns: 1fr; }
  .sai-dash-use-btn { display: none; }
  .sai-modal { border-radius: 14px 14px 0 0; }
}

/* ── LOCKED TOOLS ── */
.sai-tool-locked {
  opacity: 0.55;
  cursor: not-allowed;
}
.sai-tool-locked::before {
  background: #9a9488 !important;
}
.sai-tool-locked .sai-tc-use {
  background: #f3f0ea !important;
  border-color: var(--sai-border) !important;
  color: var(--sai-ink3) !important;
  cursor: not-allowed;
}
.sai-tool-locked:hover {
  transform: none !important;
  box-shadow: var(--sai-shadow) !important;
  border-color: var(--sai-border) !important;
}

/* Bonus credit badge */
.sai-bonus-badge {
  font-size: 11px;
  color: var(--sai-accent2);
  background: rgba(232,150,42,.1);
  border: 1px solid rgba(232,150,42,.25);
  border-radius: 5px;
  padding: 1px 7px;
  margin-left: 6px;
  font-weight: 600;
}