:root{--rdm-primary:#2563eb;--rdm-primary-2:#1d4ed8;--rdm-dark:#0f172a;--rdm-muted:#64748b;--rdm-bg:#f5f7fb;--rdm-card:#fff;--rdm-line:#e5e7eb;--rdm-success:#16a34a;--rdm-warning:#d97706;--rdm-danger:#dc2626}
*{box-sizing:border-box}html,body{min-height:100%;}body{margin:0;background:var(--rdm-bg);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;color:#0f172a}.app-shell{display:flex;min-height:100vh}.sidebar{width:268px;background:linear-gradient(180deg,#0f172a 0%,#111827 60%,#0b1220 100%);color:#fff;position:fixed;inset:0 auto 0 0;z-index:1040;display:flex;flex-direction:column;box-shadow:12px 0 40px rgba(15,23,42,.12)}.brand{padding:22px 20px 18px;border-bottom:1px solid rgba(255,255,255,.08);display:flex;align-items:center;gap:12px}.brand-mark{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,#60a5fa,#2563eb);font-weight:800;box-shadow:0 10px 24px rgba(37,99,235,.35)}.brand h1{font-size:15px;margin:0;font-weight:800}.brand small{display:block;color:#94a3b8;margin-top:2px}.side-scroll{overflow:auto;padding:14px 12px;flex:1}.nav-section{font-size:10px;letter-spacing:.14em;color:#64748b;padding:16px 10px 7px;font-weight:800}.nav-item{display:flex;align-items:center;gap:11px;color:#cbd5e1;text-decoration:none;padding:11px 12px;border-radius:12px;margin-bottom:4px;font-size:13px;transition:.18s}.nav-item:hover{background:rgba(255,255,255,.06);color:#fff}.nav-item.active{background:linear-gradient(135deg,rgba(37,99,235,.98),rgba(29,78,216,.98));color:#fff;box-shadow:0 9px 20px rgba(37,99,235,.28)}.nav-icon{width:28px;height:28px;border-radius:9px;background:rgba(255,255,255,.08);display:grid;place-items:center;font-size:12px;font-weight:800}.nav-item.active .nav-icon{background:rgba(255,255,255,.18)}.sidebar-bottom{padding:14px 18px;border-top:1px solid rgba(255,255,255,.08)}.main-area{margin-left:268px;min-width:0;flex:1}.topbar{height:74px;background:#fff;border-bottom:1px solid var(--rdm-line);display:flex;align-items:center;justify-content:space-between;padding:0 26px;position:sticky;top:0;z-index:1030}.menu-toggle{display:none;border:0;background:#eff6ff;color:#1d4ed8;border-radius:10px;width:40px;height:40px}.topbar-left{display:flex;align-items:center;gap:15px;min-width:0}.topbar-title .eyebrow{margin-bottom:3px}.topbar-school{font-size:12px;color:var(--rdm-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.topbar-actions{display:flex;align-items:center;gap:10px}.user-chip{display:flex;align-items:center;gap:10px}.user-chip strong{display:block;font-size:12px}.user-chip small{display:block;color:var(--rdm-muted);font-size:10px}.avatar{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,#dbeafe,#bfdbfe);color:#1d4ed8;font-weight:800}.avatar.sm{width:34px;height:34px;border-radius:10px;font-size:12px}.btn-ghost-danger{border:0;background:#fff0f0;color:#dc2626;border-radius:10px}.content-area{padding:26px}.page-heading{display:flex;justify-content:space-between;gap:18px;align-items:flex-start;margin-bottom:22px}.page-heading h1{font-size:25px;font-weight:800;margin:0 0 5px}.page-heading p{margin:0;color:var(--rdm-muted);font-size:13px}.eyebrow{font-size:10px;letter-spacing:.16em;color:#64748b;font-weight:800;text-transform:uppercase}.card{border:1px solid rgba(15,23,42,.06)!important;border-radius:18px!important;box-shadow:0 8px 28px rgba(15,23,42,.05)!important}.stat-card{transition:.2s}.stat-card:hover{transform:translateY(-2px);box-shadow:0 14px 36px rgba(15,23,42,.09)!important}.metric-card{padding:20px}.metric-card .label{font-size:11px;color:var(--rdm-muted)}.metric-card .value{font-size:28px;font-weight:800;margin-top:2px}.progress-thin{height:8px;border-radius:20px;background:#e2e8f0;overflow:hidden}.progress-thin>span{display:block;height:100%;border-radius:20px;background:linear-gradient(90deg,#60a5fa,#2563eb)}.table thead th{font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:#64748b;background:#f8fafc;border-bottom:1px solid #e2e8f0}.table td{font-size:12px}.form-label{font-size:11px;font-weight:700;color:#334155}.form-control,.form-select{border-radius:11px;border-color:#dbe2ea;font-size:13px;padding:.62rem .75rem}.form-control:focus,.form-select:focus{border-color:#93c5fd;box-shadow:0 0 0 .22rem rgba(37,99,235,.10)}.btn{border-radius:11px;font-size:12px;font-weight:700}.btn-lg{border-radius:12px}.badge{font-weight:700}.quick-link{display:flex;align-items:center;justify-content:space-between;text-decoration:none;color:inherit;padding:13px 14px;border:1px solid var(--rdm-line);border-radius:13px;background:#fff;transition:.18s}.quick-link:hover{border-color:#bfdbfe;box-shadow:0 8px 18px rgba(15,23,42,.05)}.soft-box{border-radius:14px;padding:14px;background:#f8fafc;border:1px solid #e8edf3}.alert-modern{border:1px solid transparent;padding:13px 16px;border-radius:13px;margin-bottom:16px;font-size:12px}.alert-modern.success{background:#ecfdf3;border-color:#bbf7d0;color:#166534}.alert-modern.danger{background:#fef2f2;border-color:#fecaca;color:#991b1b}.alert-modern.warning{background:#fffbeb;border-color:#fde68a;color:#92400e}.alert-modern.info{background:#eff6ff;border-color:#bfdbfe;color:#1e40af}.footer{padding:0 26px 22px;color:#94a3b8;font-size:10px;display:flex;justify-content:space-between;gap:10px}.import-card{border:1px dashed #cbd5e1;border-radius:16px;background:#fff;padding:18px}.import-card .code{font-family:ui-monospace,Consolas,monospace;font-size:10px;color:#475569;background:#f8fafc;padding:8px 10px;border-radius:9px}.table-sticky thead th{position:sticky;top:0;z-index:2}.kpi{border-radius:16px;padding:16px;background:linear-gradient(135deg,#fff,#f8fafc);border:1px solid #e5e7eb}.class-pill{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;background:#eff6ff;color:#1d4ed8;font-weight:700;font-size:11px}.role-pill{padding:6px 9px;border-radius:999px;background:#eef2ff;color:#4338ca;font-weight:700;font-size:10px}.login-wrap{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 20% 20%,#dbeafe,transparent 32%),radial-gradient(circle at 85% 15%,#e0e7ff,transparent 28%),linear-gradient(135deg,#eff6ff,#f8fafc)}.login-card{width:min(440px,calc(100% - 32px));padding:30px}.login-mark{width:54px;height:54px;border-radius:16px;background:linear-gradient(135deg,#60a5fa,#2563eb);color:#fff;display:grid;place-items:center;font-weight:900;font-size:20px;box-shadow:0 15px 30px rgba(37,99,235,.25)}.print-page{background:#fff;min-height:100vh;padding:22px}.print-header{border-bottom:2px solid #111827;padding-bottom:10px;margin-bottom:14px}.print-table{width:100%;border-collapse:collapse}.print-table th,.print-table td{border:1px solid #334155;padding:6px;font-size:10px}.print-table th{background:#f1f5f9}.print-sign{display:flex;justify-content:flex-end;margin-top:26px}.logo-preview{max-height:80px;max-width:180px;object-fit:contain;border:1px dashed #cbd5e1;border-radius:10px;padding:5px;background:#fff}.mobile-overlay{display:none}
@media(max-width:1100px){.sidebar{width:235px}.main-area{margin-left:235px}.content-area{padding:20px}}
@media(max-width:900px){.sidebar{transform:translateX(-100%);transition:.2s}.sidebar.open{transform:none}.main-area{margin-left:0}.menu-toggle{display:block}.mobile-overlay{display:block;position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:1035;opacity:0;pointer-events:none;transition:.2s}.mobile-overlay.show{opacity:1;pointer-events:auto}.topbar{padding:0 16px}.content-area{padding:16px}.footer{padding:0 16px 16px}.page-heading{flex-direction:column}}
@media print{.no-print{display:none!important}.sidebar,.topbar,.footer{display:none!important}.main-area{margin:0}.content-area{padding:0}.card{box-shadow:none!important;border:0!important}.print-page{padding:0}}

/* ===== RDM menu v5: compact, tidy, responsive ===== */
:root{--rdm-sidebar:#243653;--rdm-sidebar-2:#1c2c46;--rdm-sidebar-text:#d8e3f1;--rdm-sidebar-muted:#8fa3bd;--rdm-accent:#4f7cff;--rdm-accent-2:#3a61ed;--rdm-group:#2f4667}
.rdm-app-shell{display:flex;min-height:100vh;background:#f4f6fa}
.rdm-sidebar{position:fixed;left:0;top:0;bottom:0;width:252px;background:linear-gradient(180deg,var(--rdm-sidebar) 0%,var(--rdm-sidebar-2) 100%);color:#fff;z-index:1040;display:flex;flex-direction:column;box-shadow:10px 0 35px rgba(25,39,61,.12)}
.rdm-brand{height:74px;background:#fff;border-right:1px solid #e9edf3;display:flex;align-items:center;padding:0 16px}
.rdm-brand-link{display:flex;align-items:center;gap:10px;text-decoration:none;color:#1f2937;width:100%}
.rdm-logo{width:52px;height:52px;object-fit:contain}
.rdm-logo-fallback{width:46px;height:46px;border-radius:13px;background:linear-gradient(135deg,#35c57a,#087f4f);color:#fff;display:grid;place-items:center;font-weight:900;font-size:18px}
.rdm-brand-copy strong{display:block;font-size:15px;line-height:1.1;letter-spacing:.01em}
.rdm-brand-copy span{display:block;font-size:9px;color:#64748b;margin-top:4px;white-space:nowrap}
.rdm-period{margin:10px 12px 4px;background:#ffe36e;border:1px solid #d6b500;color:#2e3a10;font-size:9px;font-weight:900;text-align:center;padding:7px 8px;border-radius:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;box-shadow:0 2px 0 rgba(0,0,0,.06)}
.rdm-sidebar-scroll{flex:1;overflow-y:auto;overflow-x:hidden;padding:9px 8px 14px;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.18) transparent}
.rdm-sidebar-scroll::-webkit-scrollbar{width:6px}.rdm-sidebar-scroll::-webkit-scrollbar-thumb{background:rgba(255,255,255,.15);border-radius:99px}
.rdm-menu-block{display:grid;gap:2px}
.rdm-section-title{font-size:9px;letter-spacing:.08em;font-weight:900;color:#9fb0c7;padding:14px 13px 7px}
.rdm-nav-item,.rdm-nav-parent{width:100%;display:flex;align-items:center;gap:10px;min-height:41px;padding:9px 12px;border-radius:8px;border:0;background:transparent;color:var(--rdm-sidebar-text);text-decoration:none;font-size:12px;font-weight:600;cursor:pointer;transition:all .16s ease}
.rdm-nav-item:hover,.rdm-nav-parent:hover{background:rgba(255,255,255,.06);color:#fff}
.rdm-nav-item.active{background:linear-gradient(90deg,#4432f0,#3929d8);color:#fff;box-shadow:0 6px 18px rgba(67,51,220,.22)}
.rdm-nav-item svg,.rdm-nav-parent svg,.rdm-logout svg{width:16px;height:16px;fill:currentColor;flex:0 0 16px;opacity:.9}
.rdm-nav-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rdm-nav-group{margin-top:2px}
.rdm-nav-parent{justify-content:space-between}
.rdm-nav-parent-main{display:flex;align-items:center;gap:10px;min-width:0}
.rdm-nav-group.is-open .rdm-nav-parent{background:rgba(0,0,0,.08);color:#fff}
.rdm-chevron{width:18px;height:18px;display:grid;place-items:center;transition:transform .18s ease;color:#9eb0c8}
.rdm-nav-parent .rdm-chevron svg{width:13px;height:13px}
.rdm-nav-group.is-open .rdm-chevron{transform:rotate(90deg);color:#fff}
.rdm-submenu{display:none;padding:3px 0 4px 30px}
.rdm-nav-group.is-open .rdm-submenu{display:block}
.rdm-sub-item{display:flex;align-items:center;gap:9px;min-height:37px;padding:8px 11px;border-radius:7px;color:#becde0;text-decoration:none;font-size:11px;font-weight:500}
.rdm-sub-item:hover{color:#fff;background:rgba(255,255,255,.05)}
.rdm-sub-item.active{background:rgba(79,124,255,.22);color:#fff;font-weight:700;box-shadow:inset 2px 0 0 #86a7ff}
.rdm-sub-dot{width:5px;height:5px;border-radius:50%;background:#8296b1;flex:0 0 5px}.rdm-sub-item.active .rdm-sub-dot{background:#a8c0ff}
.rdm-account{margin-top:auto;padding:12px;border-top:1px solid rgba(255,255,255,.09);background:rgba(11,21,37,.2)}
.rdm-account-user{display:flex;align-items:center;gap:9px;min-width:0;margin-bottom:9px}
.rdm-avatar,.rdm-top-avatar{display:grid;place-items:center;background:linear-gradient(135deg,#86a9ff,#4f7cff);color:#fff;font-weight:800;border-radius:10px}
.rdm-avatar{width:34px;height:34px;font-size:12px;flex:0 0 34px}
.rdm-account-copy{min-width:0}.rdm-account-copy strong{display:block;font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.rdm-account-copy span{display:block;color:#9eb0c8;font-size:9px;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rdm-logout{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;border:1px solid rgba(255,255,255,.12);background:transparent;color:#d3dfef;border-radius:8px;min-height:34px;font-size:11px;font-weight:700}
.rdm-logout:hover{background:rgba(255,255,255,.06);color:#fff}
.rdm-main-area{margin-left:252px;min-width:0;flex:1}
.rdm-topbar{position:sticky;top:0;z-index:1030;height:58px;background:#fff;border-bottom:1px solid #e4e9f0;display:flex;align-items:center;justify-content:space-between;padding:0 20px}
.rdm-topbar-left,.rdm-topbar-right{display:flex;align-items:center;gap:11px;min-width:0}
.rdm-menu-toggle{display:none;border:0;background:#eef4ff;color:#2d5fe8;width:36px;height:36px;border-radius:9px;font-size:18px}
.rdm-breadcrumb{font-size:11px;color:#98a4b4;display:flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden}.rdm-breadcrumb strong{color:#334155;overflow:hidden;text-overflow:ellipsis}.rdm-breadcrumb b{font-weight:600;color:#c0c8d3}
.rdm-top-period{font-size:10px;background:#f5f7fb;border:1px solid #e6ebf1;color:#536176;padding:6px 9px;border-radius:7px;white-space:nowrap}.rdm-top-school{font-size:11px;font-weight:700;color:#31415b;max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.rdm-top-avatar{width:32px;height:32px;font-size:11px}
.rdm-content-area{padding:22px 24px 24px;min-height:calc(100vh - 58px)}
.rdm-footer{padding:0 24px 18px;display:flex;justify-content:space-between;gap:8px;color:#94a3b8;font-size:9px}
.profile-card{overflow:hidden}.profile-logo{width:110px;height:110px;object-fit:contain}.profile-logo-fallback{width:110px;height:110px;border-radius:24px;margin-inline:auto;background:linear-gradient(135deg,#4f7cff,#2d57d8);color:#fff;display:grid;place-items:center;font-weight:900;font-size:24px}.info-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.info-grid>div{padding:14px;border:1px solid #e7ebf0;border-radius:14px;background:#fbfcfe}.info-grid span{display:block;font-size:10px;color:#8a97aa;margin-bottom:5px}.info-grid strong{display:block;font-size:13px;color:#2d3748}
@media(max-width:1100px){.rdm-sidebar{width:235px}.rdm-main-area{margin-left:235px}.rdm-content-area{padding:20px}.rdm-topbar{padding:0 16px}.rdm-top-school{display:none}}
@media(max-width:860px){.rdm-sidebar{transform:translateX(-100%);transition:transform .2s ease;width:270px}.rdm-sidebar.open{transform:translateX(0)}.rdm-main-area{margin-left:0}.rdm-menu-toggle{display:grid;place-items:center}.rdm-mobile-overlay{display:block;position:fixed;inset:0;background:rgba(15,23,42,.46);z-index:1035;opacity:0;pointer-events:none;transition:opacity .2s}.rdm-mobile-overlay.show{opacity:1;pointer-events:auto}.rdm-content-area{padding:16px}.rdm-footer{padding:0 16px 14px}.info-grid{grid-template-columns:1fr}}
@media(max-width:560px){.rdm-top-period{display:none}.rdm-content-area{padding:13px}.page-heading h1{font-size:21px}.page-heading{margin-bottom:16px}.card{border-radius:14px!important}}