/* Student workspace: bright surfaces, quiet color, and direct access to the real library. */
:root{--sidebar-bg:#fff;--sidebar-hover:#f0f6f3;--sidebar-active:#e4f3eb;--sidebar-border:#e1e9e5;--text-muted:#657b76;--text-soft:#425c54;--bg-white:#fff;--bg-soft:#f5f8f6;--text-dark:#19372e;--orange-grad:linear-gradient(135deg,#007461,#006151)}
.sidebar{color:#19372e;border-right:1px solid #dfe8e3;box-shadow:3px 0 20px #143b2410}.sidebar .logo-name,.sidebar .user-name{color:#19372e}.sidebar .logo-icon{box-shadow:none;background:#fff}.sidebar .user-session,.sidebar .user-session:hover{background:#f2f7f4}.sidebar .nav-item>a:hover,.sidebar .nav-item-active>a{color:#006b5e!important}.sidebar .nav-item-active>a{border-left-color:#007461}.sidebar .subject-item>a,.sidebar .submenu-topics li a{color:#4f665f}.sidebar .submenu-topics li a:hover{color:#006b5e;background:#edf6f0}.sidebar .sidebar-toggle-btn{color:#31564a;border-color:#dce6df;background:#f4f7f5}.sidebar .daily-goal-card{background:#f2f8f4;border-color:#dbe9df;box-shadow:none}.sidebar .daily-goal-title,.sidebar .daily-goal-count,.sidebar .daily-goal-msg{color:#31564a}.sidebar .section-title{letter-spacing:1.1px}
.main-content{background:#fff}.home-mobile-redesign{max-width:1120px}.home-mobile-hero{background:#f5faf7;color:#19372e;border:1px solid #dcebe1;box-shadow:none;border-radius:24px;padding:30px}.home-mobile-hero::after{display:none}.home-mobile-hero h1{color:#183e31;font-size:clamp(30px,4vw,46px);font-weight:700;line-height:1.12;letter-spacing:-1.5px;max-width:850px}.home-mobile-hero p{color:#5b7066;font-weight:400;max-width:760px}.home-hero-kicker{background:#e4f2e9;color:#006b5e;border-color:#cce4d5;letter-spacing:1.1px;font-weight:600}.home-primary-action{background:#006b5e;box-shadow:none;color:#fff;font-weight:600;border-radius:12px}.home-secondary-action,.home-secondary-action.pwa-install-trigger{background:#fff;color:#31554a;border:1px solid #d5e3da;box-shadow:none;font-weight:500;border-radius:12px}.home-hero-stats div{background:#fff;border:1px solid #e0eae3;border-radius:12px;text-align:left;padding:14px 18px}.home-hero-stats strong{color:#234f40;font-size:22px;font-weight:650}.home-hero-stats span{color:#687c72;font-weight:400;font-size:12px}
.home-screen *{text-transform:none}.home-section-head h2{color:#19372e;font-size:23px;font-weight:650;letter-spacing:-.6px}.home-section-head p{color:#6c7c75;font-weight:400}.home-feature-card{border:1px solid #e0e9e4;box-shadow:none;border-radius:20px;min-height:0;padding:24px}.home-feature-flash{background:#fffcf7}.home-feature-map{background:#f7faff}.home-feature-card h2{font-size:24px;font-weight:650;color:#1c3730}.home-feature-card p{font-size:14px;color:#64736e;font-weight:400}.home-feature-link{background:#fff;color:#225542;border:1px solid #dae5df;font-weight:600;border-radius:11px}.home-feature-icon{width:44px;height:44px;border-radius:12px;box-shadow:none}.flashcard-mini-stack,.mindmap-preview{height:100px}.home-card{box-shadow:none!important;border-radius:16px}.home-card .hc-body h3{font-weight:600}.home-card .hc-body p{font-weight:400}.home-study-tip{background:#f7faf8;border:1px solid #e2ebe5;box-shadow:none}.home-study-tip p{font-weight:400}.mobile-topbar{background:#fff;border-bottom:1px solid #e2ebe5}.mobile-topbar-name,.mobile-menu-btn{color:#19372e}
.study-library{margin:28px 0 34px;scroll-margin-top:85px}.library-kicker{font-size:10px!important;letter-spacing:1.8px;margin-bottom:7px!important;color:#007461!important;font-weight:650!important}.subject-picker{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.subject-picker button{display:flex;align-items:center;text-align:left;gap:14px;min-height:98px;padding:18px;border:1px solid #dae7df;border-radius:16px;background:#fff;color:#224b3c;font-size:16px;cursor:pointer}.subject-picker button>i:first-child{font-size:24px;color:#007461}.subject-picker button>i:last-child{margin-left:auto;font-size:12px}.subject-picker small{display:block;font-size:11px;color:#708176;margin-top:5px;font-weight:400}.subject-picker button[aria-pressed=true]{border-color:#007461;background:#eef8f1;box-shadow:0 0 0 1px #007461}.subject-picker button:hover{background:#f3f9f5}#library-topics-panel{margin-top:20px;border:1px solid #dfe9e3;border-radius:16px;padding:20px;background:#fcfdfc}#library-topics-panel[hidden]{display:none}#library-topics-panel label{display:block;font-size:13px;font-weight:600;margin-bottom:9px}#library-search{width:100%;padding:13px 15px;border:1px solid #d2e0d7;background:#fff;color:#19372e;border-radius:10px;font-size:15px}#library-status{font-size:12px;color:#65776c;margin:15px 0}.library-topics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.library-topics button{padding:15px;background:#fff;border:1px solid #e0e9e3;border-radius:12px;text-align:left;cursor:pointer;color:#244838}.library-topics button:hover{border-color:#007461;background:#f1f8f3}.library-topics strong{display:block;font-size:14px;font-weight:600}.library-topics span{display:block;font-size:11px;color:#6b7f73;margin-top:8px}
.login-screen{background:#f7faf8}.login-bg-glow,.login-floating-icon{display:none}.login-card{background:#fff;border:1px solid #dfe9e3;box-shadow:0 18px 70px #163e2710}.login-title,.login-brand-name{color:#19372e}.login-subtitle,.login-label,.login-brand-pre,.login-brand-sub,.login-footer{color:#62796c}.login-input{background:#f9fbfa;color:#19372e;border:1px solid #d9e5dd}.login-input::placeholder{color:#92a399}.login-eye-btn{color:#527260}.login-btn{background:#006b5e;box-shadow:none}.login-offer{border-color:#e0e9e4;color:#647a6b}.login-offer a{color:#006b5e}.login-assistance a{color:#527260}.login-logo-icon{box-shadow:none}.login-checking{background:#fff}.login-checking-text{color:#426552}
@media(max-width:768px){.home-mobile-hero{padding:22px 18px;border-radius:18px}.home-mobile-hero h1{font-size:32px}.subject-picker{grid-template-columns:1fr}.subject-picker button{min-height:76px}.library-topics{grid-template-columns:1fr}.home-section-head{align-items:flex-start}.home-section-head p{font-size:12px}.home-hero-stats div{padding:12px}.home-hero-stats span{font-size:11px}.home-feature-card{padding:20px}.home-hero-actions button{font-size:12px}.study-library{margin-top:24px}}

.sidebar .progress-card{background:#f5f9f6;border:1px solid #e0e9e3;box-shadow:none}.sidebar .prog-num{color:#007461}.mobile-topbar .mobile-menu-btn,.mobile-topbar .mobile-install-btn{background:#006b5e;color:#fff;box-shadow:none}