/* V4 appearance: neutral colors, quiet panels, accessible mobile controls.
   Scoped to the study UI and admin area; hidden arcade games are untouched. */
html { --study-accent:#292929; --study-accent-2:#555; --study-bg:#f2f2f2; --study-surface:#fff; --study-surface-soft:#f7f7f7; --study-border:#ddd; --study-border-strong:#bbb; --study-text:#202020; --study-muted:#626262; }
html[data-theme="dark"] { --study-bg:#1b1b1b;--study-surface:#292929;--study-surface-soft:#333;--study-border:#494949;--study-border-strong:#5c5c5c;--study-text:#f4f4f4;--study-muted:#c0c0c0;--study-accent:#ededed;--study-accent-2:#c8c8c8; }
html[data-theme="black"] { --study-bg:#080808;--study-surface:#111;--study-surface-soft:#191919;--study-border:#303030;--study-border-strong:#484848;--study-text:#fafafa;--study-muted:#c5c5c5;--study-accent:#f1f1f1;--study-accent-2:#ccc; }
html[data-theme="slate"] { --study-bg:#222222;--study-surface:#303030;--study-surface-soft:#393939;--study-border:#515151;--study-border-strong:#686868;--study-text:#f4f4f4;--study-muted:#c8c8c8;--study-accent:#e8e8e8;--study-accent-2:#bcbcbc; }
html[data-theme="warm"] { --study-bg:#201e1c;--study-surface:#302d29;--study-surface-soft:#3a3531;--study-border:#59534c;--study-border-strong:#70675e;--study-text:#f8f4ec;--study-muted:#d0c7bb;--study-accent:#e6ddd0;--study-accent-2:#c7b9a8; }
html[data-theme="black"],html[data-theme="slate"],html[data-theme="warm"] { color-scheme:dark; }
html[data-theme="dark"],html[data-theme="black"],html[data-theme="slate"],html[data-theme="warm"] { color-scheme:dark; }
html body.study-mode { background:var(--study-bg)!important;color:var(--study-text)!important; }
html body.study-mode :is(.topbar,.study-sidebar,.study-card,.study-welcome,.study-tip-card,.sidebar-ad-card,.study-content,.ticket-drawer,.ticket-row,.classroom-hub,.classroom-card,.study-view-switcher,.v33-section,.homework-card,.admin-panel) { border-color:var(--study-border)!important; }
html body.study-mode :is(.topbar,.study-sidebar,.study-card,.study-tip-card,.sidebar-ad-card,.ticket-drawer,.ticket-row,.classroom-card,.homework-card,.study-view-switcher,.v33-section) {background:var(--study-surface)!important;color:var(--study-text)!important;}
html body.study-mode :is(.study-welcome,.study-sidebar-note,.ticket-list,.admin-view-head) { background:var(--study-surface-soft)!important;color:var(--study-text)!important;}
html body.study-mode :is(h1,h2,h3,h4,label,strong,.study-nav-link,.study-choice-icon,.study-view-title) {color:var(--study-text)!important;}
html body.study-mode :is(p,small,.study-kicker,.study-helper,.study-view-description) {color:var(--study-muted);}
html body.study-mode :is(input,textarea,select) {background:var(--study-surface)!important;color:var(--study-text)!important;border-color:var(--study-border-strong)!important;}
html body.study-mode :is(button,.study-nav-link) {touch-action:manipulation;}
.hwo-theme-picker { min-height:42px;max-width:150px;padding:8px 11px;border-radius:11px;font:inherit;font-weight:650;border:1px solid var(--study-border-strong);background:var(--study-surface);color:var(--study-text); }
html body.study-mode :is(.primary-button,.homework-submit,.ticket-submit-button,button[type="submit"]) {background:#303030!important;color:#fff!important;border-color:#555!important;}
html[data-theme="black"] body.study-mode :is(.primary-button,.homework-submit,.ticket-submit-button,button[type="submit"]) {background:#ececec!important;color:#090909!important;}
html body.study-mode :is(a,button,select,input,textarea):focus-visible{outline:3px solid var(--study-muted)!important;outline-offset:2px;}
/* Admin remains dark neutral regardless of active study theme. */
.admin-panel,.admin-view,.admin-view-head,.admin-ticket-card,.admin-login-card {color:#f5f5f5!important;}
.admin-panel {background:#171717!important;border:1px solid #424242!important;border-radius:18px!important;max-width:1100px!important;}
.admin-panel :is(h1,h2,h3,strong,label) {color:#fafafa!important;}
.admin-panel :is(p,small,.admin-muted) {color:#c6c6c6!important;}
.admin-panel :is(input,select,textarea) {background:#282828!important;color:#fafafa!important;border:1px solid #626262!important;min-height:40px;}
.admin-panel :is(button,.admin-nav button) {min-height:40px;border-radius:10px;}
.admin-panel .admin-view-head {padding-bottom:14px!important;border-bottom:1px solid #494949!important;}
@media(max-width:700px){
 .hwo-theme-picker {max-width:116px;min-width:0;font-size:13px;}
 .admin-panel {padding:12px!important;margin:8px!important;width:auto!important;}
 .admin-panel :is(.admin-actions,.admin-grid,.admin-view-head){min-width:0;max-width:100%;}
 .admin-panel :is(input,select,textarea){max-width:100%;min-width:0;}
 .admin-panel .admin-view-head{gap:8px;}
}

/* V4.1: black theme contrast fixes observed on homework dashboard. */
html[data-theme="black"] body.study-mode {
 --study-accent:#d8d8d8;
 --study-accent-2:#aaa;
 background:#090909!important;
}
html[data-theme="black"] body.study-mode :is(.study-shell,.study-page,.study-content,.study-sidebar,.study-welcome,.study-welcome-card,.study-header,.study-nav-link,.study-view-switcher,.study-choice,.study-choice-card,.study-stat,.v35-widget,.v35-folder-card,.homework-folder-card,.homework-folder-all,.homework-folder-row,.v33-calendar,.v33-cal-day,.v33-rows,.v33-row,.v35-week-card,.study-card,.study-tip-card) {
 background-color:#151515!important;color:#f1f1f1!important;border-color:#353535!important;
 box-shadow:none!important;
}
html[data-theme="black"] body.study-mode :is(.study-view-switcher button,.study-choice,.study-choice-card,.study-nav-link,.homework-folder-all,.homework-folder-card,.homework-folder-row,.v33-cal-day) {
 color:#f1f1f1!important;background:#191919!important;border-color:#3b3b3b!important;
}
html[data-theme="black"] body.study-mode :is(.study-view-switcher button.active,.study-choice.active,.study-choice-card.active,.study-nav-link.active,.homework-folder-all.active,.homework-folder-card.active,.homework-folder-row.active,.v33-cal-day.selected,[aria-pressed="true"][data-study-view]) {
 background:#353535!important;color:#fff!important;border:1px solid #888!important;
}
html[data-theme="black"] body.study-mode :is(input,select,textarea,.study-theme-toggle) {
 background:#202020!important;color:#f7f7f7!important;border:1px solid #585858!important;
}
html[data-theme="black"] body.study-mode :is(input::placeholder,textarea::placeholder){color:#b8b8b8!important;}
html[data-theme="black"] body.study-mode :is(.study-welcome h1,.study-welcome p,.study-view-title,.study-view-description,.study-card h2,.study-card h3,.study-choice strong,.study-choice small,.study-nav-link,.v33-month,.v33-calendar-toolbar,.v35-week-card) {color:#f2f2f2!important;}
html[data-theme="black"] body.study-mode :is(.secondary-button,.compact-button,.v35-inline-actions button,.study-card button:not([type="submit"])) {
 background:#282828!important;color:#f7f7f7!important;border:1px solid #575757!important;
}
html[data-theme="black"] body.study-mode .ticket-submit-button,
html[data-theme="black"] body.study-mode button[type="submit"]{background:#e1e1e1!important;color:#111!important;}
@media(max-width:700px){
 html body.study-mode :is(.study-card,.homework-form,.study-view-switcher,.v33-calendar,.v35-widget){min-width:0!important;max-width:100%!important;}
 html body.study-mode :is(.homework-form input,.homework-form select,.homework-form textarea){width:100%!important;min-width:0!important;}
}