/* Astudy unified light-only design layer */
:root{color-scheme:light!important;--astudy-bg:#f5f8fc;--astudy-surface:#fff;--astudy-surface-2:#f8fafc;--astudy-text:#152238;--astudy-muted:#607089;--astudy-border:#e3e9f2;--astudy-primary:#2563eb;--astudy-primary-2:#174fc4}
html,body{background:var(--astudy-bg)!important;color:var(--astudy-text)!important}
body{font-family:Vazirmatn,IRANSans,Tahoma,Arial,sans-serif!important}
*,*:before,*:after{box-sizing:border-box}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.main{background:var(--astudy-bg)!important;color:var(--astudy-text)!important}
.sidebar{background:#fff!important;border:1px solid var(--astudy-border)!important;box-shadow:0 18px 50px rgba(25,45,80,.08)!important}
.sidebar nav{gap:6px!important}
.sidebar .nav{color:#46566e!important;background:transparent!important;border:1px solid transparent!important;min-height:46px!important;border-radius:14px!important}
.sidebar .nav:hover{background:#f1f5fb!important;color:#1c57ca!important}
.sidebar .nav.active{background:linear-gradient(90deg,#edf4ff,#f7faff)!important;color:#1655c7!important;border-color:#dbe8ff!important;box-shadow:inset -3px 0 0 #2563eb!important}
.sidebar .nav-badge{background:#e9f1ff!important;color:#2059c9!important;border-radius:999px!important;padding:3px 7px!important;font-size:10px!important}
.topbar{background:rgba(255,255,255,.94)!important;border-color:var(--astudy-border)!important;color:var(--astudy-text)!important}
.view{color:var(--astudy-text)!important}
.view:not(.active){display:none!important}
.card,.pro-card,.stat,.quick-actions>button,.timer-card,.rank-hero,.focus-shell,.tic-game-card,.tic-status-card{background:#fff!important;color:var(--astudy-text)!important;border:1px solid var(--astudy-border)!important;box-shadow:0 14px 40px rgba(25,45,80,.06)!important}
.card p,.pro-card p,.page-title p,.muted,.eyebrow,small{color:var(--astudy-muted)!important}
h1,h2,h3,h4,h5,h6,strong,b{color:var(--astudy-text)}
input,textarea,select{background:#fff!important;color:var(--astudy-text)!important;border:1px solid #d7e0eb!important}
input:focus,textarea:focus,select:focus{outline:none!important;border-color:#79a7f8!important;box-shadow:0 0 0 4px rgba(37,99,235,.10)!important}
.primary{background:linear-gradient(135deg,#2563eb,#174fc4)!important;color:#fff!important;border:0!important}
.secondary{background:#f3f6fa!important;color:#263750!important;border:1px solid #dce4ee!important}
.nav-blog{position:relative}
.nav-blog .nav-label{white-space:nowrap}
.quick-actions{grid-template-columns:repeat(5,minmax(0,1fr))!important;gap:14px!important}
.quick-actions>button{min-height:112px!important;display:flex!important;flex-direction:column!important;align-items:flex-start!important;justify-content:center!important;text-align:right!important;padding:18px!important}
.quick-actions>button b{font-size:15px!important;margin-top:10px}
.quick-actions>button small{margin-top:5px}
.stats{grid-template-columns:repeat(4,minmax(0,1fr))!important;gap:14px!important}
.analytics-kpis{grid-template-columns:repeat(4,minmax(0,1fr))!important;gap:14px!important}
.pro-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))!important}
.admin-post,.post-card,.featured-post,.my-post{background:#fff!important;color:var(--astudy-text)!important;border-color:var(--astudy-border)!important}
.blog-header{background:#fff!important;border-color:var(--astudy-border)!important;color:var(--astudy-text)!important}
.blog-page{background:var(--astudy-bg)!important;color:var(--astudy-text)!important}
.blog-page p,.blog-page span,.blog-page small,.blog-page label{color:#5d6d83}
.blog-page h1,.blog-page h2,.blog-page h3,.blog-page b{color:#152238!important}
.site-footer{background:#fff!important;color:#607089!important;border-top:1px solid var(--astudy-border)!important}
/* premium scrollbar */
html{scrollbar-width:thin;scrollbar-color:#b7c4d6 #eef2f7}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#eef2f7}
::-webkit-scrollbar-thumb{background:#b7c4d6;border:2px solid #eef2f7;border-radius:999px}
::-webkit-scrollbar-thumb:hover{background:#8fa0b7}
::selection{background:#d6e5ff;color:#10203a}
.theme-toggle,#themeBtn,[data-theme-toggle],.dark-mode-toggle{display:none!important}
@media(max-width:1050px){.quick-actions{grid-template-columns:repeat(3,minmax(0,1fr))!important}.stats,.analytics-kpis{grid-template-columns:repeat(2,minmax(0,1fr))!important}.pro-grid.three{grid-template-columns:repeat(2,minmax(0,1fr))!important}}
@media(max-width:700px){.quick-actions,.stats,.analytics-kpis,.pro-grid.three{grid-template-columns:repeat(2,minmax(0,1fr))!important}.quick-actions>button{min-height:96px!important}}
@media(max-width:480px){.quick-actions,.stats,.analytics-kpis,.pro-grid.three{grid-template-columns:1fr!important}}