.teacher-controller-portal { min-height: 100dvh; background: var(--surface, #0c1010); color: var(--cream, #f4e4bf); padding: clamp(12px, 3vw, 32px); display: grid; gap: 16px; align-content: start; }
.teacher-controller-portal > section, .controller-login, .teacher-controller-setup { border: 1px solid var(--line, #5f523a); border-radius: 16px; padding: 16px; background: var(--panel, #11151a); }
.teacher-controller-portal h1 { font-size: clamp(24px, 4vw, 36px); margin: 0; }
.teacher-controller-portal h2 { font-size: 22px; margin: 0 0 12px; }
.teacher-controller-portal label, .teacher-controller-setup label { display: grid; gap: 6px; margin: 10px 0; }
.teacher-controller-portal input, .teacher-controller-portal textarea, .teacher-controller-portal select, .teacher-controller-setup input { width: 100%; padding: 12px; min-height: 44px; border: 1px solid var(--line, #5f523a); border-radius: 10px; color: inherit; background: var(--surface, #0c1010); }
.controller-actions, .controller-heading { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.controller-heading { justify-content: space-between; }
.controller-actions .button, .teacher-controller-setup .button { min-height: 44px; padding: 10px 14px; }
.teacher-controller-setup summary { cursor: pointer; padding: 6px 0; }
.controller-login { width: min(100%, 460px); justify-self: center; margin-top: 8dvh; display: grid; gap: 10px; }
.controller-slide img { display: block; width: 100%; max-height: min(42dvh, 360px); object-fit: contain; margin-bottom: 12px; }
.teacher-controller-portal [hidden] { display: none; }
.controller-defense-current p { white-space: pre-wrap; overflow-wrap: anywhere; }
.controller-teams { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr)); gap: 10px; margin-top: 12px; }
.controller-teams article { border: 1px solid var(--line, #5f523a); border-radius: 10px; padding: 12px; }
.lecture-audio-receiver { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; font-size: 13px; padding: 4px 10px; }
.lecture-audio-receiver .button { min-height: 44px; }
.teacher-controller-portal .button:focus-visible, .teacher-controller-setup .button:focus-visible { outline: 3px solid var(--gold, #d7ae61); outline-offset: 2px; }
@media (max-width: 600px) { .controller-actions > .button { flex: 1 1 140px; } .controller-heading { align-items: flex-start; } .teacher-controller-portal > section { padding: 12px; } }