/* Riwaq v5.23 Signature — visual layer */
body.v523-signature{
  --sig-gold:var(--accent,#d2a84a);
  --sig-ink:color-mix(in srgb,var(--text) 92%,#071d22);
  --sig-soft:color-mix(in srgb,var(--primary) 6%,var(--panel));
  --sig-border:color-mix(in srgb,var(--primary) 12%,var(--line));
  --sig-shadow:0 22px 55px rgba(10,45,50,.09);
  letter-spacing:.005em;
}
body.v523-signature .app{grid-template-columns:252px minmax(0,1fr)}
body.v523-signature .sidebar{padding:18px 12px;background:linear-gradient(180deg,color-mix(in srgb,var(--sidebar) 96%,#061c21),color-mix(in srgb,var(--sidebar) 78%,#02090b));border-inline-end:1px solid rgba(255,255,255,.08)}
body.v523-signature .sidebar-brand{padding:4px 10px 18px}
body.v523-signature .sidebar-riwaq-logo{max-width:178px}
body.v523-signature .main-nav{gap:7px;padding-top:18px}
body.v523-signature .nav-btn{min-height:49px;border-radius:14px;padding:9px 11px;color:rgba(255,255,255,.72);transition:.2s ease}
body.v523-signature .nav-btn .nav-icon{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.06);font-size:17px}
body.v523-signature .nav-btn:hover{background:rgba(255,255,255,.08);transform:translateX(-2px)}
body.v523-signature .nav-btn.active{background:linear-gradient(100deg,rgba(255,255,255,.14),rgba(255,255,255,.075));box-shadow:inset -3px 0 0 var(--sig-gold),0 12px 28px rgba(0,0,0,.11)}
body.v523-signature .topbar{min-height:74px;padding-block:11px;background:color-mix(in srgb,var(--bg) 88%,transparent);border-bottom-color:var(--sig-border);backdrop-filter:blur(20px) saturate(130%)}
body.v523-signature .topbar-brand-name{font-size:1.1rem}
body.v523-signature .workspace-search-trigger{border-radius:14px}
body.v523-signature .page{padding-top:26px;max-width:1600px;margin-inline:auto;width:100%}
body.v523-signature .panel,body.v523-signature .card,body.v523-signature .table-shell{border-color:var(--sig-border);box-shadow:0 12px 36px rgba(14,51,56,.055)}
body.v523-signature .btn{border-radius:12px}
body.v523-signature .btn.primary{background:linear-gradient(135deg,var(--primary),var(--primary-strong));box-shadow:0 10px 24px color-mix(in srgb,var(--primary) 22%,transparent)}
body.v523-signature .platform-credit{opacity:.56;font-size:11px;letter-spacing:.04em}

.signature-dashboard,.signature-exam{display:grid;gap:18px}
.sig-command-hero{position:relative;overflow:hidden;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:stretch;min-height:270px;padding:clamp(24px,3vw,38px);border-radius:28px;color:#fff;background:radial-gradient(circle at 8% 10%,rgba(255,255,255,.12),transparent 32%),linear-gradient(125deg,color-mix(in srgb,var(--sidebar) 94%,#001114),color-mix(in srgb,var(--primary-strong) 83%,#061b20));box-shadow:0 28px 70px rgba(5,39,44,.22)}
.sig-command-hero:after{content:"";position:absolute;inset:auto -70px -130px auto;width:360px;height:360px;border:1px solid rgba(255,255,255,.13);border-radius:50%;box-shadow:0 0 0 42px rgba(255,255,255,.025),0 0 0 88px rgba(255,255,255,.018)}
.sig-command-copy,.sig-command-actions{position:relative;z-index:1}
.sig-overline{display:inline-flex;align-items:center;gap:8px;color:color-mix(in srgb,#fff 72%,var(--sig-gold));font-weight:850;font-size:13px;letter-spacing:.04em}
.sig-overline:before{content:"";width:28px;height:2px;background:var(--sig-gold);border-radius:5px}
.sig-command-hero h1{max-width:780px;margin:14px 0 22px;font-size:clamp(29px,3.3vw,48px);line-height:1.34;letter-spacing:-.025em}
.sig-focus-task{max-width:850px;display:flex;align-items:flex-end;justify-content:space-between;gap:18px;padding:18px 20px;border:1px solid rgba(255,255,255,.16);border-radius:18px;background:rgba(255,255,255,.08);backdrop-filter:blur(8px)}
.sig-focus-task span{display:inline-block;margin-bottom:4px;color:#f6d98e;font-size:12px;font-weight:900}
.sig-focus-task h2{margin:0;font-size:21px;line-height:1.5}
.sig-focus-task p{margin:3px 0 0;color:rgba(255,255,255,.68)}
.sig-focus-task .btn.primary{white-space:nowrap;background:#fff;color:var(--primary-strong);box-shadow:none}
.sig-clear-copy{max-width:650px;color:rgba(255,255,255,.72);font-size:17px;line-height:1.8}
.sig-command-actions{align-self:center;display:grid;grid-template-columns:repeat(2,112px);gap:10px}
.sig-command-actions button{height:104px;border:1px solid rgba(255,255,255,.14);border-radius:18px;background:rgba(255,255,255,.075);color:#fff;display:grid;place-items:center;align-content:center;gap:8px;transition:.2s}
.sig-command-actions button:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);border-color:rgba(255,255,255,.25)}
.sig-command-actions span{font-size:24px;color:#f2d282}.sig-command-actions b{font-size:13px}

.sig-truth-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.sig-truth-strip article{min-height:86px;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 18px;border:1px solid var(--sig-border);border-radius:17px;background:var(--panel);box-shadow:0 12px 32px rgba(14,51,56,.045)}
.sig-truth-strip span{color:var(--muted);font-size:13px;font-weight:750}.sig-truth-strip strong{font-size:27px;color:var(--sig-ink)}
.sig-truth-strip article.danger{border-color:color-mix(in srgb,var(--danger) 26%,var(--line));background:color-mix(in srgb,var(--danger) 5%,var(--panel))}.sig-truth-strip article.danger strong{color:var(--danger)}

.sig-dashboard-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(330px,.85fr);gap:16px;align-items:start}
.sig-surface{border:1px solid var(--sig-border);border-radius:23px;background:var(--panel);padding:21px;box-shadow:var(--sig-shadow);min-width:0}
.sig-work-queue{grid-row:span 2}.sig-courses-block{grid-column:1/-1}.sig-projects-block{grid-column:1}.sig-library-block{grid-column:2}
.sig-section-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:16px}
.sig-section-head span{display:block;color:var(--primary);font-size:11px;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.sig-section-head h2{margin:3px 0 0;font-size:21px}
.sig-task-list{display:grid;gap:8px}
.sig-task-row{display:flex;align-items:center;gap:8px;border:1px solid var(--sig-border);border-radius:15px;background:var(--panel2);overflow:hidden;transition:.18s}
.sig-task-row:hover{border-color:color-mix(in srgb,var(--primary) 35%,var(--line));transform:translateY(-1px)}
.sig-task-row.is-featured{background:color-mix(in srgb,var(--primary) 6%,var(--panel));border-color:color-mix(in srgb,var(--primary) 26%,var(--line))}
.sig-task-row.is-overdue{border-inline-start:4px solid var(--danger)}
.sig-task-main{flex:1;min-width:0;display:grid;grid-template-columns:34px minmax(0,1fr) auto 18px;align-items:center;gap:11px;padding:13px;border:0;background:transparent;color:var(--text);text-align:right}
.sig-task-state{display:grid;place-items:center;width:31px;height:31px;border-radius:10px;background:var(--panel);border:1px solid var(--line);color:var(--primary);font-weight:900}.is-overdue .sig-task-state{color:var(--danger)}
.sig-task-copy{min-width:0;display:grid;gap:3px}.sig-task-copy strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px}.sig-task-copy small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--muted);font-size:12px}
.sig-task-due{font-size:11px;font-weight:850;color:var(--muted);white-space:nowrap}.is-overdue .sig-task-due{color:var(--danger)}
.sig-task-main>i{font-style:normal;color:var(--muted)}.sig-task-action{padding-inline-end:10px}.sig-task-action .task-state-segment{transform:scale(.9);transform-origin:left center}
.sig-empty{grid-column:1/-1;border:1px dashed var(--sig-border);border-radius:17px;padding:30px 18px;text-align:center;background:var(--panel2);color:var(--muted)}.sig-empty strong{display:block;color:var(--text);margin-bottom:5px}

.sig-course-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.sig-course-card{position:relative;padding:17px;border:1px solid var(--sig-border);border-radius:18px;background:linear-gradient(180deg,var(--panel),var(--panel2));min-width:0}
.sig-course-card header{display:flex;justify-content:space-between;gap:9px;align-items:center}.sig-course-card header span{font-size:11px;color:var(--muted);font-weight:800}.sig-course-card header b{font-size:10px;padding:5px 8px;border-radius:999px;background:#fff1ed;color:var(--danger)}.sig-course-card header b.is-clear{background:var(--primary-soft);color:var(--primary-strong)}
.sig-course-card h3{margin:13px 0 4px;font-size:16px}.sig-course-card>p{margin:0;color:var(--muted);font-size:12px}
.sig-course-week{display:grid;gap:4px;margin:15px 0;padding:12px;border-radius:13px;background:var(--panel);border:1px solid var(--line)}.sig-course-week small{color:var(--primary);font-weight:900}.sig-course-week strong{font-size:13px;line-height:1.55}
.sig-project-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.sig-project-card{padding:17px;border:1px solid var(--sig-border);border-radius:18px;background:var(--panel2)}
.sig-project-kicker{display:flex;align-items:center;justify-content:space-between;gap:8px}.sig-project-kicker span{color:var(--primary);font-size:11px;font-weight:900}.sig-project-kicker b{font-size:10px;color:var(--muted)}
.sig-project-card h3{margin:10px 0 5px}.sig-project-card>p{margin:0;color:var(--muted);font-size:12px;line-height:1.6;min-height:38px}
.sig-project-facts{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:14px 0}.sig-project-facts span{display:grid;gap:3px;padding:9px;border-radius:11px;background:var(--panel);border:1px solid var(--line)}.sig-project-facts small{color:var(--muted);font-size:10px}.sig-project-facts strong{font-size:12px}
.sig-library-summary{display:grid;grid-template-columns:1fr 1fr;gap:10px}.sig-library-summary div{padding:18px;border-radius:16px;background:var(--panel2);border:1px solid var(--sig-border);text-align:center}.sig-library-summary strong{display:block;font-size:30px}.sig-library-summary span{color:var(--muted);font-size:12px}.sig-library-actions{display:flex;gap:8px;margin-top:12px}.sig-library-actions .btn{flex:1}

.sig-exam-hero{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;padding:clamp(26px,4vw,44px);border-radius:28px;background:radial-gradient(circle at 12% 10%,rgba(255,255,255,.11),transparent 32%),linear-gradient(128deg,color-mix(in srgb,var(--sidebar) 96%,#000),color-mix(in srgb,var(--primary-strong) 84%,#031418));color:#fff;box-shadow:0 28px 70px rgba(5,39,44,.22)}
.sig-exam-hero h1{max-width:850px;margin:13px 0 8px;font-size:clamp(31px,3.7vw,52px);line-height:1.28;letter-spacing:-.03em}.sig-exam-hero p{max-width:760px;margin:0;color:rgba(255,255,255,.69);line-height:1.8}.sig-exam-hero>.btn{white-space:nowrap;background:#fff;color:var(--primary-strong);box-shadow:none}
.sig-exam-facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.sig-exam-facts article{min-height:100px;padding:17px;border:1px solid var(--sig-border);border-radius:18px;background:var(--panel);display:grid;align-content:center;gap:5px}.sig-exam-facts span{color:var(--muted);font-size:12px}.sig-exam-facts strong{font-size:27px}.sig-exam-facts strong.is-date{font-size:16px}.sig-exam-facts small{color:var(--danger);font-size:10px}
.sig-exam-next{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:21px 23px;border:1px solid color-mix(in srgb,var(--sig-gold) 36%,var(--line));border-radius:20px;background:linear-gradient(110deg,color-mix(in srgb,var(--sig-gold) 8%,var(--panel)),var(--panel))}.sig-exam-next span{color:#9a7421;font-size:11px;font-weight:900}.sig-exam-next h2{margin:4px 0;font-size:21px}.sig-exam-next p{margin:0;color:var(--muted)}
.sig-exam-tools,.sig-exam-records{border:1px solid var(--sig-border);border-radius:23px;background:var(--panel);padding:22px;box-shadow:var(--sig-shadow)}
.sig-exam-tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:11px}.sig-exam-tool-grid>button{min-height:150px;display:grid;grid-template-columns:44px minmax(0,1fr) auto;align-items:start;gap:12px;padding:18px;border:1px solid var(--sig-border);border-radius:18px;background:linear-gradient(150deg,var(--panel),var(--panel2));color:var(--text);text-align:right;transition:.2s}.sig-exam-tool-grid>button:hover{transform:translateY(-2px);border-color:color-mix(in srgb,var(--primary) 38%,var(--line));box-shadow:0 15px 34px rgba(10,51,56,.08)}
.sig-exam-tool-grid>button>b{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:var(--primary);color:#fff;font-size:12px}.sig-exam-tool-grid span{display:grid;gap:7px}.sig-exam-tool-grid strong{font-size:16px}.sig-exam-tool-grid small{color:var(--muted);line-height:1.65}.sig-exam-tool-grid i{font-style:normal;color:var(--primary);font-size:20px}
.sig-output-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.sig-output-card{min-height:126px;display:grid;align-content:start;gap:7px;padding:15px;border:1px solid var(--sig-border);border-radius:16px;background:var(--panel2);color:var(--text);text-align:right}.sig-output-card:hover{border-color:var(--primary)}.sig-output-card span{color:var(--primary);font-size:10px;font-weight:900}.sig-output-card strong{font-size:14px;line-height:1.5}.sig-output-card small{color:var(--muted);font-size:10px}.sig-output-card i{margin-top:auto;color:var(--primary);font-style:normal;font-size:11px;font-weight:850}

body[data-mode="dark"].v523-signature{--sig-shadow:0 22px 55px rgba(0,0,0,.2)}
body[data-mode="dark"].v523-signature .sig-command-hero,body[data-mode="dark"].v523-signature .sig-exam-hero{box-shadow:0 28px 70px rgba(0,0,0,.35)}
body[data-mode="dark"].v523-signature .sig-truth-strip article,body[data-mode="dark"].v523-signature .sig-surface,body[data-mode="dark"].v523-signature .sig-exam-facts article,body[data-mode="dark"].v523-signature .sig-exam-tools,body[data-mode="dark"].v523-signature .sig-exam-records{background:color-mix(in srgb,var(--panel) 94%,#000)}

@media(max-width:1150px){
  .sig-command-hero{grid-template-columns:1fr}.sig-command-actions{grid-template-columns:repeat(4,minmax(90px,1fr));width:100%}.sig-command-actions button{height:88px}
  .sig-dashboard-grid{grid-template-columns:1fr}.sig-work-queue,.sig-courses-block,.sig-projects-block,.sig-library-block{grid-column:auto;grid-row:auto}.sig-output-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:900px){
  body.v523-signature .app{grid-template-columns:1fr}.sig-truth-strip,.sig-exam-facts{grid-template-columns:repeat(2,minmax(0,1fr))}.sig-course-grid,.sig-exam-tool-grid{grid-template-columns:1fr}.sig-project-grid{grid-template-columns:1fr 1fr}.sig-exam-hero{align-items:flex-start;flex-direction:column}
}
@media(max-width:650px){
  .sig-command-hero{padding:22px;border-radius:22px}.sig-command-hero h1{font-size:29px}.sig-focus-task{align-items:flex-start;flex-direction:column}.sig-command-actions{grid-template-columns:repeat(2,1fr)}
  .sig-truth-strip,.sig-exam-facts{grid-template-columns:1fr 1fr}.sig-truth-strip article{min-height:72px;padding:13px}.sig-truth-strip strong{font-size:23px}
  .sig-surface,.sig-exam-tools,.sig-exam-records{padding:16px;border-radius:19px}.sig-project-grid{grid-template-columns:1fr}.sig-task-main{grid-template-columns:30px minmax(0,1fr) auto}.sig-task-main>i{display:none}.sig-task-action{display:none}
  .sig-output-grid{grid-template-columns:1fr}.sig-exam-next{align-items:flex-start;flex-direction:column}.sig-exam-next .btn{width:100%}.sig-exam-tool-grid>button{min-height:auto}
}

/* v5.25 — Firebase verified campus accounts */
.firebase-auth-status{display:flex;align-items:flex-start;gap:10px;margin:12px 0 16px;padding:11px 13px;border:1px solid color-mix(in srgb,var(--primary) 18%,transparent);border-radius:14px;background:color-mix(in srgb,var(--primary) 5%,transparent);font-size:.85rem}
.firebase-auth-status span{width:9px;height:9px;margin-top:5px;border-radius:50%;background:#d59a27;box-shadow:0 0 0 4px color-mix(in srgb,#d59a27 18%,transparent);flex:0 0 auto}
.firebase-auth-status p{margin:0;color:var(--muted)}
.firebase-auth-status.is-ready span{background:#2c9a67;box-shadow:0 0 0 4px color-mix(in srgb,#2c9a67 18%,transparent)}
.firebase-auth-status.is-error span{background:#c54b4b;box-shadow:0 0 0 4px color-mix(in srgb,#c54b4b 18%,transparent)}
.registration-sent{text-align:center;padding:28px 16px 18px}
.registration-sent__icon{display:grid;place-items:center;width:58px;height:58px;margin:0 auto 14px;border-radius:50%;background:color-mix(in srgb,#2c9a67 14%,transparent);color:#238057;font-size:1.8rem;font-weight:800}
.registration-sent h3{margin:0 0 8px;font-size:1.25rem}
.registration-sent p{margin:0 auto 20px;max-width:36ch;color:var(--muted);line-height:1.8}
.registration-sent .register-verification-actions{justify-content:center}
.auth-register-card.is-sent .registration-privacy{display:none}
.cloud-auth-required{padding:12px 14px;border-radius:14px;background:color-mix(in srgb,#c54b4b 9%,transparent);border:1px solid color-mix(in srgb,#c54b4b 24%,transparent);color:var(--text)}