/* ============ Student Portal (portal.html) ============ */
/* builds on the tokens, nav, .btn, .kicker and night mode from styles.css */

body.portal{padding-left:0;min-height:100vh}
/* .p-login / .p-dash set display:grid/flex, which would otherwise override the hidden attribute */
.portal [hidden]{display:none!important}
body.portal header.nav{padding-left:clamp(18px,5vw,48px)}
.p-nav-right{display:flex;align-items:center;gap:16px}
.p-back{font-size:.9rem;font-weight:500;color:var(--muted);transition:color .25s}
.p-back:hover{color:var(--accent)}
.p-logout{border:none;cursor:pointer;font-family:var(--font);font-size:.9rem}
.p-link{background:none;border:none;padding:0;font:inherit;color:var(--accent);font-weight:700;cursor:pointer}
.p-link:disabled{color:var(--muted);font-weight:500;cursor:default}

/* ---------- Login ---------- */
.p-login{min-height:100vh;display:grid;place-items:center;padding:120px clamp(16px,5vw,48px) 60px}
.p-login-card{width:100%;max-width:980px;display:grid;grid-template-columns:1.1fr 1fr;gap:50px;
  background:linear-gradient(160deg,rgba(255,255,255,.94),rgba(255,248,214,.88));border:1px solid var(--line);
  border-radius:28px;padding:clamp(28px,5vw,56px);position:relative;overflow:hidden;box-shadow:0 24px 70px rgba(80,50,0,.12)}
.p-login-card::before{content:"";position:absolute;top:-40%;right:-10%;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(133,0,0,.16),transparent 65%);pointer-events:none}
.p-perks{list-style:none;margin-top:26px;display:grid;gap:10px;color:var(--muted)}
.p-login-form{position:relative;z-index:2;align-self:center}
.p-login-form form{display:flex;flex-direction:column;gap:18px}
.p-step-title{font-family:var(--display);font-size:1.6rem;font-weight:800}
.p-step-sub{color:var(--muted);margin-top:-12px}
.p-phone{display:flex;align-items:stretch;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.85);overflow:hidden;transition:border-color .25s}
.p-phone:focus-within{border-color:var(--accent)}
.p-cc{display:grid;place-items:center;padding:0 14px;font-weight:700;border-right:1px solid var(--line);color:var(--muted)}
.p-phone input{flex:1;min-width:0;border:none;outline:none;background:transparent;padding:16px;font:500 1.1rem var(--font);color:var(--ink);letter-spacing:.06em}
.p-otp{display:grid;grid-template-columns:repeat(6,1fr);gap:8px}
.p-otp input{width:100%;aspect-ratio:1/1.15;text-align:center;font:700 1.4rem var(--display);color:var(--ink);
  border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.85);outline:none;transition:border-color .2s,transform .2s}
.p-otp input:focus{border-color:var(--accent);transform:translateY(-2px)}
.p-otp.shake{animation:p-shake .4s}
@keyframes p-shake{20%,60%{transform:translateX(-6px)}40%,80%{transform:translateX(6px)}}
.p-help{font-size:.88rem;color:var(--muted)}
.p-help a{color:var(--accent);font-weight:700}
.p-demo{font-size:.8rem;color:var(--muted);background:rgba(255,208,0,.18);border-radius:10px;padding:8px 12px}
.p-demo:empty{display:none}
.btn[disabled]{opacity:.6;pointer-events:none}

/* ---------- Dashboard ---------- */
.p-dash{max-width:var(--maxw);margin:0 auto;padding:120px clamp(16px,5vw,48px) 60px;display:flex;flex-direction:column;gap:24px}
.p-card{background:linear-gradient(160deg,rgba(255,255,255,.94),rgba(255,248,214,.8));border:1px solid var(--line);border-radius:var(--radius);padding:24px;min-width:0}
.p-card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.p-card-head h2{font-family:var(--display);font-size:1.15rem;font-weight:700}

.p-hello{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap}
.p-hello-title{font-family:var(--display);font-size:clamp(1.8rem,4vw,2.6rem);font-weight:800;line-height:1.15}
.p-hello-sub{color:var(--muted);margin-top:6px}
.p-next{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;border-radius:var(--radius);padding:18px 22px;min-width:260px;box-shadow:0 12px 34px rgba(133,0,0,.3)}
.p-next small{display:block;opacity:.8;font-size:.75rem;letter-spacing:.08em;text-transform:uppercase}
.p-next strong{display:block;font-family:var(--display);font-size:1.25rem;margin:4px 0 2px}
.p-next span{font-size:.9rem;opacity:.9}

.p-stats{display:grid;grid-template-columns:auto repeat(3,1fr);gap:16px}
.p-progress{position:relative;display:grid;place-items:center;padding:16px 26px}
.p-ring{width:120px;height:120px;transform:rotate(-90deg)}
.p-ring circle{fill:none;stroke-width:10}
.p-ring-track{stroke:var(--line)}
.p-ring-fill{stroke:var(--accent);stroke-linecap:round;stroke-dasharray:0 100;transition:stroke-dasharray 1.2s cubic-bezier(.16,1,.3,1)}
.p-ring-label{position:absolute;inset:0;display:grid;place-content:center;text-align:center}
.p-ring-label strong{font-family:var(--display);font-size:1.5rem;line-height:1}
.p-ring-label small{color:var(--muted);font-size:.75rem}
.p-stat{display:flex;flex-direction:column;justify-content:center;gap:2px}
.p-stat small{color:var(--muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.06em}
.p-stat strong{font-family:var(--display);font-size:2.2rem;line-height:1.1}
.p-stat span{color:var(--muted);font-size:.85rem}

.p-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:24px}
.p-pill{font-size:.78rem;font-weight:700;padding:4px 12px;border-radius:50px;background:rgba(133,0,0,.1);color:var(--accent)}
.p-list{list-style:none;display:flex;flex-direction:column;gap:10px}
.p-class{display:flex;gap:14px;align-items:center;padding:12px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.6)}
.p-date{flex:none;width:58px;text-align:center;border-radius:12px;padding:6px 0;background:var(--yellow);color:#141414}
.p-date b{display:block;font-family:var(--display);font-size:1.3rem;line-height:1.1}
.p-date small{font-size:.7rem;font-weight:700;text-transform:uppercase}
.p-class-body{min-width:0}
.p-class-body strong{display:block}
.p-class-body span{color:var(--muted);font-size:.86rem}
.p-empty{color:var(--muted);padding:18px 0;text-align:center}

.p-info{display:grid;grid-template-columns:auto 1fr;gap:8px 18px;font-size:.92rem}
.p-info dt{color:var(--muted)}
.p-info dd{font-weight:600;overflow-wrap:anywhere}
.p-sub-head{font-family:var(--display);font-size:.95rem;margin:22px 0 12px}
.p-skills{display:flex;flex-direction:column;gap:12px}
.p-skill-row{display:flex;justify-content:space-between;font-size:.86rem;margin-bottom:4px}
.p-skill-row span{color:var(--muted)}
.p-bar{height:8px;border-radius:8px;background:var(--line);overflow:hidden}
.p-bar i{display:block;height:100%;width:0;border-radius:8px;background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:width 1s cubic-bezier(.16,1,.3,1)}

.p-tabs{display:flex;gap:4px;background:var(--line);padding:4px;border-radius:50px}
.p-tabs button{border:none;background:none;font:600 .82rem var(--font);color:var(--muted);padding:6px 14px;border-radius:50px;cursor:pointer}
.p-tabs button.on{background:var(--panel);color:var(--ink);box-shadow:0 2px 8px rgba(0,0,0,.08)}
.p-table-wrap{overflow-x:auto}
.p-table{width:100%;border-collapse:collapse;font-size:.9rem;min-width:620px}
.p-table th{text-align:left;font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:600;padding:10px 12px;border-bottom:1px solid var(--line)}
.p-table td{padding:12px;border-bottom:1px solid var(--line)}
.p-table tr:last-child td{border-bottom:none}
.p-status{display:inline-block;font-size:.76rem;font-weight:700;padding:3px 10px;border-radius:50px}
.p-status.attended{background:rgba(31,138,76,.14);color:#1f8a4c}
.p-status.missed{background:rgba(208,2,27,.12);color:#d0021b}
.p-foot{text-align:center;color:var(--muted);font-size:.9rem}
.p-foot a{color:var(--accent);font-weight:700}

/* ---------- Night mode ---------- */
html[data-mode="night"] :is(.p-login-card,.p-card){background:linear-gradient(160deg,#1b1d25,#121319)}
html[data-mode="night"] :is(.p-phone,.p-otp input,.p-class){background:rgba(255,255,255,.05)}
html[data-mode="night"] .p-tabs button.on{background:#2a2c36}
html[data-mode="night"] .p-status.attended{color:#4cd88a}
html[data-mode="night"] .p-status.missed{color:#ff6b6b}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .p-login-card{grid-template-columns:1fr;gap:30px}
  .p-grid{grid-template-columns:1fr}
  .p-stats{grid-template-columns:1fr 1fr}
  .p-progress{grid-row:span 2}
}
@media (max-width:560px){
  .p-back{display:none}
  .p-next{min-width:0;width:100%}
  .p-stats{grid-template-columns:1fr 1fr}
  .p-progress{grid-column:1/-1;grid-row:auto}
  .p-stat strong{font-size:1.8rem}
  .p-card{padding:18px}
}