:root{--bg:#0f172a;--panel:#111827;--panel2:#1f2937;--text:#e5e7eb;--muted:#9ca3af;--accent:#6366f1;--green:#10b981;--red:#ef4444;--border:#374151}
*{box-sizing:border-box}body{margin:0;font-family:Arial,sans-serif;background:#0b1020;color:var(--text)}a{text-decoration:none;color:inherit}.app-shell{display:flex;min-height:100vh}.sidebar{width:240px;background:#0f172a;padding:24px;border-right:1px solid var(--border)}.brand{font-size:24px;font-weight:700;margin-bottom:24px}.sidebar nav a{display:block;padding:12px 14px;border-radius:10px;color:#d1d5db;margin-bottom:8px}.sidebar nav a.active,.sidebar nav a:hover{background:rgba(99,102,241,.15);color:white}.main{flex:1;padding:28px}.auth-main{max-width:480px;margin:0 auto;padding-top:80px}.card{background:rgba(17,24,39,.96);border:1px solid var(--border);border-radius:18px;padding:24px;box-shadow:0 10px 25px rgba(0,0,0,.25)}.grid{display:grid;gap:18px}.grid-3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.grid-2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}.kpi{padding:18px;border-radius:16px;background:#111827;border:1px solid var(--border)}h1,h2,h3{margin:0 0 14px}label{display:block;margin-bottom:8px;font-size:14px;color:#cbd5e1}input,select,textarea{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--border);background:#0f172a;color:var(--text);margin-bottom:14px}button,.btn{display:inline-block;background:var(--accent);color:#fff;padding:12px 16px;border:none;border-radius:12px;cursor:pointer}.btn-secondary{background:#334155}.flash{padding:14px 16px;border-radius:12px;margin-bottom:16px}.flash.success{background:rgba(16,185,129,.15);border:1px solid rgba(16,185,129,.35)}.flash.error{background:rgba(239,68,68,.15);border:1px solid rgba(239,68,68,.35)}table{width:100%;border-collapse:collapse}th,td{padding:12px;border-bottom:1px solid var(--border);text-align:left}th{color:#cbd5e1}.badge{padding:6px 10px;border-radius:999px;font-size:12px;font-weight:700;display:inline-block}.scheduled{background:rgba(99,102,241,.2)}.posted{background:rgba(16,185,129,.2)}.failed{background:rgba(239,68,68,.2)}.muted{color:var(--muted)}.auth-links{text-align:center;margin-top:14px}.thumb{width:78px;height:78px;object-fit:cover;border-radius:12px;border:1px solid var(--border)}.calendar-list .item{padding:14px;border:1px solid var(--border);border-radius:14px;margin-bottom:10px;background:#111827}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.small{font-size:13px;color:var(--muted)}