/* ==========================================================================
   Student Planet Accounts — stylesheet
   Brand: black, red, gold on warm white (from the logo).
   ========================================================================== */
:root{
    --red:#C8102E; --red-dark:#8B0000; --red-soft:#FCEBEC;
    --gold:#F2B705; --gold-deep:#D69A00; --gold-soft:#FFF6D9;
    --ink:#141414; --ink-2:#2A2A2A; --text:#2B2725; --muted:#6E6762;
    --line:#ECE5DD; --soft:#FAF6F1; --bg:#FFFFFF;
    --green:#1E8E5A; --green-soft:#E6F5EE;
    --radius:16px; --radius-sm:10px;
    --shadow-sm:0 1px 2px rgba(20,20,20,.05),0 2px 8px rgba(20,20,20,.04);
    --shadow:0 10px 30px -14px rgba(20,20,20,.20);
    --font:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
    --font-display:'Playfair Display',Georgia,serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);font-size:15px;line-height:1.55;color:var(--text);background:var(--soft);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--red);text-decoration:none}
a:hover{color:var(--red-dark)}
h1,h2,h3,h4{color:var(--ink);line-height:1.25;margin:0 0 .5em;font-weight:700}
h2{font-size:1.15rem} h3{font-size:1rem}
p{margin:0 0 1em}
.muted{color:var(--muted)} .small{font-size:.82rem} .strong{font-weight:700;color:var(--ink)}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.86em}
.right{text-align:right} .nowrap{white-space:nowrap}
.text-red{color:var(--red)} .text-green{color:var(--green)}
.icon{flex-shrink:0;vertical-align:middle}
:focus-visible{outline:3px solid rgba(242,183,5,.6);outline-offset:2px}
hr.soft-hr{border:0;border-top:1px solid var(--line);margin:18px 0}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:9px 16px;border-radius:999px;border:1.5px solid transparent;font:600 .9rem/1.1 var(--font);cursor:pointer;transition:transform .12s,box-shadow .2s,background .2s,color .2s,border-color .2s;white-space:nowrap}
.btn:hover{transform:translateY(-1px)} .btn:active{transform:none}
.btn-primary{background:var(--red);color:#fff;box-shadow:0 8px 18px -8px rgba(200,16,46,.6)}
.btn-primary:hover{background:var(--red-dark);color:#fff}
.btn-gold{background:var(--gold);color:var(--ink)} .btn-gold:hover{background:var(--gold-deep);color:var(--ink)}
.btn-dark{background:var(--ink);color:#fff} .btn-dark:hover{background:#000;color:#fff}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink);color:var(--ink)}
.btn-block{display:flex;width:100%} .btn-lg{padding:12px 22px;font-size:1rem}
.btn-sm{padding:7px 12px;font-size:.82rem} .btn-xs{padding:5px 9px;font-size:.76rem;gap:4px}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;background:none;border:0;cursor:pointer;color:var(--muted);padding:4px;border-radius:6px}
.icon-btn:hover{background:var(--soft);color:var(--ink)} .icon-btn.text-red:hover{color:var(--red)}

/* ---------- Admin shell ---------- */
.page-admin{display:flex;min-height:100vh}
.admin-sidebar{width:236px;background:var(--ink);color:#cfc9c4;display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0;z-index:40;overflow-y:auto}
.admin-brand{display:flex;align-items:center;gap:10px;padding:18px 18px 14px;color:#fff;font-weight:700}
.admin-brand small{display:block;font-size:.68rem;font-weight:500;color:var(--gold);letter-spacing:.08em;text-transform:uppercase}
.admin-sidebar nav{flex:1;padding:6px 10px;display:flex;flex-direction:column;gap:1px}
.admin-sidebar nav a{display:flex;align-items:center;gap:11px;padding:9px 12px;border-radius:9px;color:#cfc9c4;font-weight:500;font-size:.9rem;position:relative}
.admin-sidebar nav a:hover{background:rgba(255,255,255,.07);color:#fff}
.admin-sidebar nav a.active{background:var(--red);color:#fff}
.nav-sep{font-size:.66rem;text-transform:uppercase;letter-spacing:.1em;color:#7d766f;padding:14px 12px 5px}
.nav-badge{margin-left:auto;background:var(--gold);color:var(--ink);font-size:.7rem;font-weight:700;border-radius:999px;padding:1px 7px}
.sidebar-foot{padding:12px 14px;border-top:1px solid rgba(255,255,255,.08)}
.sidebar-foot form{margin:0}
.sidebar-foot button{display:flex;align-items:center;gap:10px;width:100%;background:none;border:0;color:#cfc9c4;cursor:pointer;padding:8px 10px;border-radius:8px;font:500 .9rem var(--font)}
.sidebar-foot button:hover{background:rgba(255,255,255,.07);color:#fff}
.admin-shell{flex:1;margin-left:236px;display:flex;flex-direction:column;min-width:0}
.admin-topbar{display:flex;align-items:center;gap:14px;padding:16px 26px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.admin-topbar h1{font-size:1.2rem;margin:0;flex:1;font-family:var(--font);font-weight:700}
.admin-user{display:flex;align-items:center;gap:9px;font-size:.85rem;font-weight:600}
.admin-user small{display:block;font-weight:500;color:var(--muted);font-size:.72rem}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--red);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}
.avatar-lg{width:52px;height:52px;font-size:1.3rem}
.admin-main{padding:24px 26px 60px;max-width:1120px;width:100%}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;color:var(--ink)}
.sidebar-overlay{display:none}

/* ---------- Cards & layout ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow-sm);margin-bottom:20px}
.card-form{max-width:760px}
.card-head{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.card-head h2{margin:0;flex:1;display:flex;align-items:center;gap:8px}
.card-head .icon{color:var(--red)}
.dash-cols{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.dash-cols>.card{margin-bottom:0}
.page-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:18px;justify-content:space-between}
.back-link{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-size:.85rem;margin-bottom:14px}
.back-link:hover{color:var(--ink)}

/* ---------- Stat cards ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}
.stat-grid-3{grid-template-columns:repeat(3,1fr)}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;display:flex;align-items:center;gap:14px;box-shadow:var(--shadow-sm);border-left:4px solid var(--line)}
.stat-card.accent-green{border-left-color:var(--green)} .stat-card.accent-red{border-left-color:var(--red)}
.stat-card.accent-amber{border-left-color:var(--gold)} .stat-card.accent-ink{border-left-color:var(--ink)}
.stat-ic{width:42px;height:42px;border-radius:12px;background:var(--soft);display:inline-flex;align-items:center;justify-content:center;color:var(--ink);flex-shrink:0}
.accent-green .stat-ic{background:var(--green-soft);color:var(--green)} .accent-red .stat-ic{background:var(--red-soft);color:var(--red)}
.accent-amber .stat-ic{background:var(--gold-soft);color:var(--gold-deep)}
.stat-val{display:block;font-size:1.4rem;font-weight:800;color:var(--ink);line-height:1.1}
.stat-lbl{display:block;font-size:.76rem;color:var(--muted)}
.mini-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:12px 16px;box-shadow:var(--shadow-sm)}
.mini-lbl{display:block;font-size:.74rem;color:var(--muted)} .mini-val{display:block;font-size:1.15rem;font-weight:700;color:var(--ink)}

/* ---------- Tables ---------- */
.table-wrap{overflow-x:auto;margin:0 -4px}
.table{width:100%;border-collapse:collapse;font-size:.88rem}
.table th{text-align:left;font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);padding:8px 10px;border-bottom:2px solid var(--line);white-space:nowrap}
.table td{padding:10px;border-bottom:1px solid var(--line);vertical-align:middle}
.table tbody tr:hover{background:var(--soft)}
.table-tight td,.table-tight th{padding:7px 9px}
.table tfoot td{border-top:2px solid var(--line);border-bottom:0}
.table .right{text-align:right}
.row-danger{background:#fdf2f3!important}
.edit-cell{padding:8px 10px!important}
.edit-cell:hover{background:transparent}
.row-form{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.row-form input,.row-form select{padding:6px 9px;border:1px solid var(--line);border-radius:8px;font:inherit;font-size:.85rem}
.row-form .grow{flex:1;min-width:140px}
.row-note{padding:2px 2px 0}

/* ---------- Badges ---------- */
.badge{display:inline-block;font-size:.72rem;font-weight:700;padding:2px 9px;border-radius:999px;white-space:nowrap}
.badge-ok{background:var(--green-soft);color:var(--green)}
.badge-warn{background:var(--gold-soft);color:var(--gold-deep)}
.badge-bad{background:var(--red-soft);color:var(--red)}
.badge-muted{background:var(--soft);color:var(--muted)}
.badge-info{background:#E8F0FE;color:#1A56DB}
.badge-off{background:#eee;color:#888}

/* ---------- Forms ---------- */
.form .field{margin-bottom:14px}
.form label{display:block;font-size:.8rem;font-weight:600;color:var(--ink);margin-bottom:5px}
.form input,.form select,.form textarea{width:100%;padding:9px 12px;border:1.5px solid var(--line);border-radius:10px;font:inherit;font-size:.9rem;background:#fff;color:var(--text)}
.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--red);outline:none}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
.form-grid-tight{grid-template-columns:repeat(3,1fr)}
.field-wide{grid-column:1/-1}
.form-foot{margin-top:8px;display:flex;gap:10px;flex-wrap:wrap}
.form-foot-split{justify-content:flex-start}
.field-error{display:block;color:var(--red);font-size:.78rem;margin-top:4px}
.has-error input,.has-error select{border-color:var(--red)}
.filter-bar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:0}
.filter-bar input,.filter-bar select{padding:7px 11px;border:1.5px solid var(--line);border-radius:9px;font:inherit;font-size:.85rem;background:#fff}
.inline-lbl{font-size:.8rem;color:var(--muted);display:inline-flex;align-items:center;gap:6px}
.check-inline{display:inline-flex;align-items:center;gap:7px;font-size:.84rem;font-weight:500;color:var(--text);margin:0}
.check-inline input{width:auto}
.inline-form{margin-top:12px;padding-top:12px;border-top:1px dashed var(--line)}
.inline-row{display:flex;gap:8px;margin-bottom:8px}
.inline-row input{padding:8px 10px;border:1.5px solid var(--line);border-radius:9px;font:inherit}
.net-preview{margin:10px 0;padding:10px 14px;background:var(--gold-soft);border-radius:10px;font-weight:600}
.net-preview strong{font-size:1.1rem;color:var(--ink)}
.sub-block{margin:4px 0 14px}
.sub-head{display:flex;align-items:center;justify-content:space-between;font-size:.8rem;font-weight:600;margin-bottom:8px}

/* ---------- Details / collapsibles ---------- */
details.action-details,details.sub-details{margin-top:12px}
details.action-details>summary{display:inline-flex;list-style:none;cursor:pointer}
details.action-details>summary::-webkit-details-marker{display:none}
details.sub-details>summary{cursor:pointer;color:var(--muted);font-size:.84rem;padding:6px 0}
.enr-forms{margin-top:14px;display:flex;gap:10px;flex-wrap:wrap}
.enr-forms details{flex:0 0 auto}
.enr-forms details[open]{flex:1 1 100%;border:1px solid var(--line);border-radius:12px;padding:14px;background:var(--soft)}

/* ---------- Student / enrollment ---------- */
.student-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
.student-id{display:flex;gap:14px;align-items:flex-start}
.student-id h2{margin:0 0 3px;display:flex;align-items:center;gap:10px}
.student-contact{display:flex;gap:14px;flex-wrap:wrap;font-size:.84rem;color:var(--muted);margin:6px 0 0}
.student-contact a,.student-contact span{display:inline-flex;align-items:center;gap:5px}
.student-head-actions{display:flex;gap:8px;align-items:center}
.student-head-actions form{margin:0}
.enrollment{border-left:4px solid var(--gold)}
.enr-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:12px}
.enr-head h3{margin:0 0 3px;display:flex;align-items:center;gap:10px}
.enr-money{display:flex;gap:26px;flex-wrap:wrap;padding:12px 16px;background:var(--soft);border-radius:12px;margin-bottom:14px}
.enr-money .k{display:block;font-size:.74rem;color:var(--muted)}
.enr-money .v{display:block;font-size:1.1rem;font-weight:700;color:var(--ink)}
.enr-danger{margin-top:12px;padding-top:12px;border-top:1px dashed var(--line);display:flex;gap:10px}
.enr-danger form{margin:0}
.sub-h{font-size:.85rem;color:var(--muted);margin:14px 0 6px}

/* ---------- Charts ---------- */
.trend-chart{display:flex;align-items:flex-end;gap:12px;height:160px;padding:10px 4px 0}
.trend-chart-lg{height:200px}
.trend-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;height:100%;justify-content:flex-end}
.trend-bars{display:flex;gap:3px;align-items:flex-end;height:100%;width:100%;justify-content:center}
.trend-bar{width:40%;max-width:22px;border-radius:5px 5px 0 0;min-height:2px}
.bar-in{background:var(--green)} .bar-out{background:var(--red)}
.trend-lbl{font-size:.68rem;color:var(--muted);white-space:nowrap}
.trend-legend{display:flex;gap:16px;justify-content:center;font-size:.78rem;color:var(--muted);margin-top:10px}
.dot{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:4px;vertical-align:middle}
.dot-in{background:var(--green)} .dot-out{background:var(--red)}
.cat-bars{display:flex;flex-direction:column;gap:10px}
.cat-row{display:flex;align-items:center;gap:10px;font-size:.84rem}
.cat-name{width:130px;flex-shrink:0;color:var(--text)}
.cat-track{flex:1;height:10px;background:var(--soft);border-radius:999px;overflow:hidden}
.cat-fill{display:block;height:100%;background:var(--red);border-radius:999px}
.cat-val{width:90px;text-align:right;font-weight:600}
.pnl td{font-size:.9rem}
.row-strong td{font-weight:700;border-top:1px solid var(--line)}
.row-status td{font-weight:800;font-size:1.02rem;border-top:2px solid var(--ink)}

/* ---------- Empty states ---------- */
.empty{text-align:center;color:var(--muted);padding:34px 16px}
.empty .icon{color:var(--line);margin-bottom:8px}
.empty-mini{color:var(--muted);padding:12px;display:flex;align-items:center;gap:8px}
.empty-mini .icon{color:var(--green)}

/* ---------- Flash ---------- */
.flash-stack{position:fixed;top:16px;right:16px;z-index:200;display:flex;flex-direction:column;gap:10px;max-width:340px}
.flash{display:flex;align-items:center;gap:10px;background:#fff;border-left:4px solid var(--muted);border-radius:10px;padding:12px 14px;box-shadow:var(--shadow);font-size:.88rem;animation:slideIn .25s ease}
.flash span{flex:1}
.flash-success{border-left-color:var(--green)} .flash-error{border-left-color:var(--red)}
.flash-info{border-left-color:var(--gold-deep)}
.flash-close{background:none;border:0;font-size:1.3rem;cursor:pointer;color:var(--muted);line-height:1}
@keyframes slideIn{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:none}}

/* ---------- Pagination ---------- */
.pagination{display:flex;gap:6px;flex-wrap:wrap;margin:16px 0 0}
.pagination a{padding:6px 11px;border:1px solid var(--line);border-radius:8px;font-size:.85rem;color:var(--ink)}
.pagination a.current{background:var(--red);color:#fff;border-color:var(--red)}

/* ---------- Auth / login ---------- */
.page-auth{background:linear-gradient(135deg,#1a1a1a,#8B0000);min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.login-wrap{width:100%;max-width:400px}
.login-card{background:#fff;border-radius:20px;padding:34px 30px;box-shadow:0 30px 60px -20px rgba(0,0,0,.5);text-align:center}
.login-logo{width:120px;margin:0 auto 14px}
.login-card h1{font-size:1.4rem;margin:0 0 4px}
.login-card .form{margin-top:18px;text-align:left}
.login-foot{text-align:center;color:rgba(255,255,255,.7);font-size:.8rem;margin-top:18px}

/* ---------- Portal ---------- */
.page-portal{background:var(--soft)}
.portal-top{background:var(--ink);color:#fff}
.portal-top-in{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.portal-brand{display:flex;align-items:center;gap:9px;font-weight:700}
.portal-user{display:flex;align-items:center;gap:12px;font-size:.85rem}
.portal-user form{margin:0}
.container{width:100%;max-width:860px;margin:0 auto;padding:0 20px}
.portal-main{padding:26px 20px 50px}
.portal-h1{font-size:1.5rem;margin:0 0 2px}
.portal-foot{text-align:center;color:var(--muted);font-size:.8rem;padding:24px}

/* ---------- Error pages ---------- */
.error-page{padding:80px 20px;text-align:center}
.error-code{font-size:3rem;font-weight:800;color:var(--red);margin:0}
.page-plain main{max-width:600px;margin:0 auto;padding:40px 20px}

/* ---------- Responsive ---------- */
@media(max-width:900px){
    .stat-grid{grid-template-columns:repeat(2,1fr)}
    .dash-cols{grid-template-columns:1fr}
    .form-grid-tight{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
    .admin-sidebar{transform:translateX(-100%);transition:transform .25s;width:230px}
    .admin-sidebar.open{transform:none}
    .admin-shell{margin-left:0}
    .nav-toggle{display:inline-flex}
    .sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:35}
    .sidebar-overlay.show{display:block}
    .admin-main{padding:18px 16px 50px}
    .form-grid,.form-grid-tight{grid-template-columns:1fr}
    .stat-grid,.stat-grid-3{grid-template-columns:1fr 1fr}
    .student-head{flex-direction:column}
    .page-actions{flex-direction:column;align-items:stretch}
    .filter-bar{justify-content:stretch}
}
@media(max-width:460px){.stat-grid,.stat-grid-3{grid-template-columns:1fr}}