:root{--color-page: #eef2f7;--color-surface: #f8fafc;--color-surface-strong: #ffffff;--color-border: #aebdcb;--color-border-strong: #8498ad;--color-text: #061a36;--color-muted: #536b89;--color-brand: #0a7cff;--color-brand-strong: #0875ee;--color-brand-soft: #d8eaff;--shadow-focus: 0 0 0 3px rgba(10, 124, 255, .22);--radius-card: 8px;--radius-control: 9px;--layout-max-width: 1080px;--font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}*{box-sizing:border-box}html{min-width:320px;background:var(--color-page)}body{min-width:320px;min-height:100vh;margin:0;color:var(--color-text);background:var(--color-page);font-family:var(--font-sans);font-synthesis:none;text-rendering:optimizeLegibility}button,a{font:inherit}a{color:inherit}h1,h2,h3,p{margin-top:0}button:focus-visible,a:focus-visible{outline:none;box-shadow:var(--shadow-focus)}.app{min-height:100vh}.button{display:inline-flex;min-height:50px;align-items:center;justify-content:center;gap:10px;border:0;border-radius:var(--radius-control);cursor:default;font-weight:800;text-align:center}.button:disabled{cursor:not-allowed;opacity:.48}.button-primary{width:100%;color:#fff;background:var(--color-brand-strong);padding:0 24px;font-size:1.08rem}.button.button-locked{border:1px solid #fca5a5;background:#fee2e2;color:#991b1b}.button.button-locked:hover{background:#fecaca}.button-secondary{border:1px solid var(--color-border);color:#06101f;background:#fff;padding:0 22px;font-size:1.02rem}.button-secondary:hover{border-color:var(--color-brand);background:#f7fbff}.button-link{min-height:auto;color:var(--color-muted);background:transparent;padding:0;border-radius:0;font-size:1.02rem;font-weight:500;text-decoration:underline;text-underline-offset:4px}.button-icon{display:inline-flex}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;width:100%;margin-top:54px}.feature-card{display:grid;min-height:114px;align-content:center;justify-items:center;gap:12px;border:1px solid var(--color-border);border-radius:var(--radius-card);background:#ffffff8f;padding:18px 14px;text-align:center}.feature-card-icon{display:inline-flex;color:var(--color-brand)}.feature-card p{max-width:110px;margin:0;color:var(--color-muted);font-size:.98rem;line-height:1.17}.diagnostic-step{margin-bottom:12px;color:var(--color-brand);font-size:.86rem;font-weight:800;text-transform:uppercase}.diagnostic-card{width:min(560px,calc(100vw - 32px));border:1px solid var(--color-border);border-radius:var(--radius-card);background:#ffffffb8;padding:28px}.diagnostic-card h1{margin-bottom:14px;color:var(--color-text);font-size:1.72rem;line-height:1.18;letter-spacing:0}.diagnostic-domain{margin-bottom:24px;color:var(--color-muted);line-height:1.45}.diagnostic-actions{display:grid;width:min(560px,calc(100vw - 32px));gap:18px;margin:22px auto 0}.diagnostic-card .diagnostic-actions{width:100%}.exam-navigation-actions{width:min(768px,calc(100vw - 32px));grid-template-columns:auto 1fr auto;align-items:center}.exam-navigation-actions .button:first-child{grid-column:1;justify-self:start}.exam-navigation-actions .button:nth-child(2){grid-column:3;justify-self:end}.exam-navigation-actions .button:nth-child(3){grid-column:1 / -1;justify-self:center}.result-score{margin:10px 0 8px;color:var(--color-brand);font-size:4rem;font-weight:900;line-height:1}.result-summary{color:var(--color-muted);line-height:1.5}.result-list{display:grid;gap:12px;margin:24px 0 0}.result-list div{display:grid;gap:5px;border-top:1px solid var(--color-border);padding-top:12px}.result-list dt{color:var(--color-muted);font-size:.88rem;font-weight:800;text-transform:uppercase}.result-list dd{margin:0;color:var(--color-text);font-weight:800;line-height:1.35}.auth-card,.study-plan-card{display:grid;width:min(560px,calc(100vw - 32px));border:1px solid var(--color-border);border-radius:var(--radius-card);background:#ffffffc7;padding:28px}.auth-card h1,.study-plan-card h1{margin:0 0 12px;color:var(--color-text);font-size:1.72rem;line-height:1.18;letter-spacing:0}.auth-copy,.study-plan-copy{margin:0 0 24px;color:var(--color-muted);line-height:1.5}.study-plan-copy strong{color:var(--color-text)}.auth-field{display:grid;gap:7px;margin-bottom:16px;color:#263b57;font-size:.92rem;font-weight:800}.social-auth-button{display:inline-grid;grid-template-columns:28px minmax(0,1fr);min-height:54px;align-items:center;gap:12px;width:100%;border:1px solid var(--color-border);border-radius:var(--radius-control);background:#fff;box-shadow:0 8px 24px #0a7cff1f;color:var(--color-text);cursor:pointer;padding:0 18px;font-size:1.05rem;font-weight:900;text-align:center}.social-auth-button+.social-auth-button{margin-top:12px}.social-auth-button:hover{border-color:var(--color-brand);background:#f7fbff}.social-auth-button:disabled{cursor:not-allowed;opacity:.55}.social-auth-icon{display:inline-flex}.auth-divider{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;margin:22px 0 18px;color:var(--color-muted);font-size:.84rem;font-weight:800;text-transform:uppercase}.auth-divider:before,.auth-divider:after{display:block;height:1px;background:#dbe3ef;content:""}.auth-field input{min-height:48px;border:1px solid var(--color-border);border-radius:var(--radius-control);background:#fff;padding:0 14px;color:var(--color-text);font:inherit;font-weight:500}.auth-field input:focus{border-color:var(--color-brand);outline:3px solid var(--color-brand-soft)}.auth-message{margin:0 0 16px;border:1px solid var(--color-border);border-radius:8px;background:#f7fbff;padding:10px 12px;color:#263b57;font-size:.94rem;line-height:1.4}.auth-message.is-error{border-color:#ffd7a3;background:#fffaf3;color:#8a4b00}.auth-actions{display:grid;gap:16px;margin-top:8px}.setup-shell{display:grid;width:min(640px,calc(100vw - 36px));gap:30px}.setup-brand{display:inline-flex;align-items:center;justify-content:center;gap:12px;color:var(--color-brand)}.setup-brand h1{margin:0;color:#020817;font-size:2rem;line-height:1.1;letter-spacing:0}.brand-beta{display:inline-flex;min-height:18px;align-items:center;border:1px solid #bfdbfe;border-radius:999px;background:#eff6ff;color:#1d4ed8;padding:0 7px;font-size:.68rem;font-weight:800;letter-spacing:.04em;line-height:1;text-transform:uppercase}.setup-progress{display:grid;gap:10px}.setup-progress-labels{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));color:#526479;font-size:1rem}.setup-progress-labels span:nth-child(2){text-align:center}.setup-progress-labels span:nth-child(3){text-align:right}.setup-progress-labels .is-active{color:var(--color-brand)}.setup-progress-track{height:10px;overflow:hidden;border-radius:999px;background:#dbe7f5}.setup-progress-track span{display:block;height:100%;border-radius:inherit;background:var(--color-brand);transition:width .18s ease}.setup-card{display:grid;gap:24px;border:1px solid var(--color-border);border-radius:var(--radius-card);background:#ffffffdb;box-shadow:0 10px 24px #0f172a1a;padding:30px}.setup-card h2{margin:0 0 -16px;color:#020817;font-size:1.28rem;line-height:1.25;letter-spacing:0}.setup-card>p{margin:0;color:var(--color-muted);font-size:1.12rem;line-height:1.35}.setup-field{display:grid;gap:7px;color:#020817;font-size:1.02rem;font-weight:800}.setup-field input,.setup-field select{width:100%;min-height:46px;border:1px solid var(--color-border);border-radius:8px;background:#fff;box-shadow:0 2px 7px #0f172a14;color:#06101f;font:inherit;font-weight:500;padding:0 14px}.setup-field select{-webkit-appearance:auto;-moz-appearance:auto;appearance:auto}.setup-field input:focus,.setup-field select:focus{border-color:var(--color-brand);outline:3px solid var(--color-brand-soft)}.setup-field-title{display:inline-flex;align-items:center;gap:6px}.setup-field-title em{color:var(--color-muted);font-style:normal;font-weight:500}.setup-actions{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:6px}.setup-actions.is-end{justify-content:flex-end}.setup-actions .button{width:auto;min-width:122px}.setup-message{margin:0;border:1px solid var(--color-border);border-radius:8px;background:#f7fbff;padding:10px 12px;color:#263b57;font-size:.94rem;line-height:1.4}.setup-message.is-error{border-color:#ffd7a3;background:#fffaf3;color:#8a4b00}.experience-field{display:grid;gap:10px;min-width:0;margin:0;border:0;padding:0}.experience-field legend{margin-bottom:10px;color:#020817;font-size:1.02rem;font-weight:800}.experience-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.experience-options button{display:grid;min-height:98px;align-content:center;justify-items:center;gap:8px;border:1px solid var(--color-border);border-radius:8px;background:#fff;color:#526479;cursor:pointer;font:inherit;font-size:1.02rem;font-weight:600}.experience-options button span{display:inline-flex;color:var(--color-brand)}.experience-options button:hover,.experience-options button.is-selected{border-color:var(--color-brand);background:#f0f7ff;color:var(--color-brand)}.study-choice-card{justify-items:center;padding:30px;text-align:center}.study-choice-icon{display:inline-flex;width:80px;height:80px;align-items:center;justify-content:center;border-radius:999px;background:var(--color-brand-soft);color:var(--color-brand)}.study-choice-card h2{margin:0;font-size:1.56rem}.study-choice-card>p{max-width:520px}.study-choice-details{display:grid;width:100%;gap:12px;border:1px solid var(--color-border);border-radius:8px;background:#f8fbff;padding:18px;text-align:left}.study-choice-details p{display:flex;align-items:start;gap:10px;margin:0;color:#06101f;font-size:1.04rem;line-height:1.35}.study-choice-details svg{flex:0 0 auto;color:#657894}.study-choice-actions{display:grid;width:100%;gap:24px}.baseline-plan-button{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:0;background:transparent;color:var(--color-muted);cursor:pointer;font:inherit;font-size:1.02rem;font-weight:700}.baseline-plan-button:disabled{cursor:not-allowed;opacity:.5}.study-generation-card,.study-plan-shell{display:grid;width:min(640px,calc(100vw - 36px));gap:28px}.study-generation-card{justify-items:center;border:1px solid var(--color-border);border-radius:var(--radius-card);background:#ffffffdb;box-shadow:0 10px 24px #0f172a1a;padding:30px;text-align:center}.study-generation-card h2{margin:0;color:#020817;font-size:1.6rem;line-height:1.2}.study-generation-card>p{max-width:520px;margin:0;color:var(--color-muted);font-size:1.08rem;line-height:1.45}.generation-progress{display:grid;width:100%;gap:12px;text-align:left}.generation-progress div{display:grid;grid-template-columns:34px minmax(0,1fr);align-items:center;gap:12px;border:1px solid var(--color-border);border-radius:8px;background:#fff;padding:12px;color:var(--color-muted)}.generation-progress div.is-active{border-color:var(--color-brand);background:#f4f9ff;color:#06101f}.generation-progress span{display:inline-flex;width:30px;height:30px;align-items:center;justify-content:center;border-radius:999px;background:#e6eef8;color:#526479;font-size:.9rem;font-weight:900}.generation-progress .is-active span{background:var(--color-brand);color:#fff}.generation-progress p{margin:0;font-weight:800}.study-plan-current-card{display:grid;gap:20px;border:1px solid var(--color-border);border-radius:var(--radius-card);background:#ffffffe6;box-shadow:0 10px 24px #0f172a1a;padding:22px}.study-plan-current-card>h1,.study-plan-current-card>p{margin:0}.study-plan-heading{display:grid;grid-template-columns:36px minmax(0,1fr);align-items:center;gap:12px}.study-plan-heading-icon{display:inline-flex;width:36px;height:36px;align-items:center;justify-content:center;border-radius:999px;background:var(--color-brand-soft);color:var(--color-brand)}.study-plan-heading h2{margin:0;color:#020817;font-size:1.28rem;line-height:1.2}.study-plan-heading p{margin:3px 0 0;color:var(--color-muted);font-size:.9rem}.study-plan-callout{border:1px solid #9cc9ff;border-radius:8px;background:#f0f7ff;padding:14px;color:#06101f;line-height:1.45}.study-plan-upgrade-card{display:flex;align-items:center;justify-content:space-between;gap:18px;border:1px solid #bfdbfe;border-radius:8px;background:#eff6ff;padding:18px}.study-plan-upgrade-copy{display:flex;align-items:flex-start;gap:12px;color:var(--color-brand)}.study-plan-upgrade-copy h3,.study-plan-upgrade-copy p{margin:0}.study-plan-upgrade-copy h3{color:#020817;font-size:1.04rem}.study-plan-upgrade-copy p{margin-top:5px;color:var(--color-muted);font-size:.94rem;line-height:1.45}.study-plan-time{display:inline-flex;align-items:center;gap:8px;margin:0;color:#526479}.study-plan-time strong{color:#06101f}.study-plan-priorities{display:grid;gap:12px}.study-plan-priorities h3{display:inline-flex;align-items:center;gap:8px;margin:0;color:#06101f;font-size:1rem}.study-plan-priorities h3 svg{color:var(--color-brand)}.study-plan-domain-list{display:grid;gap:8px}.study-plan-domain-row{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:14px;border:1px solid var(--color-border);border-radius:8px;background:#fff;padding:12px}.study-plan-domain-row.is-locked{border-color:var(--color-border);background:#fff}.study-plan-domain-row h4,.study-plan-domain-row p{margin:0}.study-plan-domain-row h4{color:#020817;font-size:.98rem;line-height:1.3}.study-plan-domain-row p{margin-top:3px;color:var(--color-muted);font-size:.82rem}.study-plan-readiness{display:grid;grid-template-columns:auto minmax(110px,220px) auto;align-items:center;gap:8px;margin-top:9px;color:var(--color-muted);font-size:.74rem;font-weight:800}.study-plan-readiness-track{overflow:hidden;height:7px;border-radius:999px;background:#e2e8f0}.study-plan-readiness-track span{display:block;height:100%;border-radius:inherit;background:#2563eb}.study-plan-readiness strong{color:#0f172a;font-size:.76rem}.focus-badge{display:inline-flex;flex-direction:row;align-items:center;gap:7px;min-width:128px;justify-content:center;border:1px solid #bfdbfe;border-radius:8px;background:#f8fbff;color:#1d4ed8;padding:8px 12px;font-family:inherit;font-size:.84rem;font-weight:900;line-height:1.15;text-align:center;cursor:pointer;transition:box-shadow .14s ease,transform .14s ease}.focus-badge span{font-size:.84rem;font-weight:900}.focus-badge:hover{box-shadow:0 8px 18px #0f172a1f;transform:translateY(-1px)}.focus-badge:disabled{cursor:wait;opacity:.7;transform:none}.focus-badge:focus-visible{outline:3px solid rgba(37,99,235,.28);outline-offset:2px}.focus-badge.is-locked-action{border-color:#fca5a5;background:#fee2e2;color:#991b1b}.focus-badge.is-locked-action:hover{background:#fecaca}.focus-badge.is-locked-action:focus-visible{outline:3px solid rgba(239,68,68,.22)}.study-dashboard-shell{display:grid;grid-template-columns:280px minmax(0,1fr);min-height:100vh}.study-sidebar{position:sticky;top:0;display:grid;grid-template-rows:auto 1fr auto;height:100vh;border-right:1px solid rgba(255,255,255,.08);background:#111a2c;color:#fff;overflow:hidden}.study-sidebar-brand{display:inline-flex;align-items:center;gap:12px;border-bottom:1px solid rgba(255,255,255,.08);padding:25px 30px;color:#fff;font-size:1.38rem;font-weight:900}.study-sidebar-brand .brand-beta{margin-left:-4px}.study-sidebar-brand svg{color:var(--color-brand)}.study-sidebar-nav{display:grid;align-content:start;gap:10px;overflow-y:auto;padding:30px 20px}.study-sidebar-nav button,.study-sidebar-logout{display:inline-flex;min-height:46px;align-items:center;gap:14px;border:1px solid transparent;border-radius:7px;background:transparent;color:#fff;cursor:pointer;padding:0 20px;font:inherit;font-size:1rem;font-weight:800;text-align:left}.study-sidebar-nav button.is-active{border-color:var(--color-border);background:#ffffff0f}.study-sidebar-logout{width:100%;border-top:1px solid rgba(255,255,255,.08);border-radius:0;color:#7e8eaa;padding:25px 40px}.study-dashboard-main{display:grid;align-content:start;gap:30px;padding:42px 40px}.study-dashboard-header h1,.study-dashboard-header p{margin:0}.study-dashboard-header h1{color:#020817;font-size:2.3rem;line-height:1.1;letter-spacing:0}.study-dashboard-header p{margin-top:12px;color:var(--color-muted);font-size:1.28rem}.dashboard-metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.dashboard-metric-card,.study-action-card,.recent-sessions-card{border:1px solid var(--color-border);border-radius:var(--radius-card);background:#fff;box-shadow:0 2px 7px #0f172a1f}.dashboard-metric-card{display:grid;min-height:158px;align-content:start;gap:10px;padding:28px 30px}.dashboard-metric-label{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.dashboard-metric-label h2{max-width:130px;margin:0;color:#020817;font-size:1.02rem;line-height:1.32}.dashboard-metric-label span{display:inline-flex;color:var(--color-brand)}.dashboard-metric-card strong{color:#020817;font-size:1.86rem;line-height:1.1}.dashboard-metric-card p{overflow:hidden;margin:0;color:var(--color-muted);font-size:.94rem;line-height:1.35;text-overflow:ellipsis;white-space:nowrap}.dashboard-metric-link{width:fit-content;color:var(--color-brand);font-size:.86rem;font-weight:800;line-height:1.2;text-decoration:underline;text-underline-offset:3px}.dashboard-metric-link:hover{color:var(--color-brand-strong)}.dashboard-metric-link:focus-visible{border-radius:4px;outline:3px solid var(--color-brand-soft);outline-offset:3px}.dashboard-metric-progress{height:10px;overflow:hidden;border-radius:999px;background:#cfe4fb}.dashboard-metric-progress span{display:block;height:100%;border-radius:inherit;background:var(--color-brand)}.study-action-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}.study-topic-grid{display:grid;grid-template-columns:repeat(3,minmax(260px,1fr));gap:20px}.study-topic-card{display:grid;min-height:330px;grid-template-rows:auto minmax(84px,1fr) auto auto;align-content:stretch;gap:18px;border:1px solid var(--color-border);border-radius:var(--radius-card);background:#fff;box-shadow:0 2px 7px #0f172a1a;padding:30px}.study-topic-card.is-locked{border-color:var(--color-border);background:#fff}.study-topic-card-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.study-topic-card h2,.study-topic-card p{margin:0}.study-topic-card h2{color:#020817;font-size:1.28rem;line-height:1.35}.study-topic-card-header span{display:inline-flex;align-items:center;gap:5px;flex:0 0 auto;border-radius:999px;background:#e7eef8;color:#020817;padding:6px 12px;font-size:.88rem;line-height:1}.study-topic-card p{color:var(--color-muted);font-size:1.02rem;line-height:1.45}.study-topic-card-count{display:inline-flex;align-items:center;gap:10px;color:var(--color-muted);font-size:1rem}.study-topic-card-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.study-topic-card-actions button{display:inline-flex;min-height:46px;align-items:center;justify-content:center;gap:10px;border:1px solid var(--color-border);border-radius:6px;background:#fff;color:#020817;cursor:pointer;font:inherit;font-size:.98rem;font-weight:800}.study-topic-card-actions button.is-primary{border-color:var(--color-brand);background:var(--color-brand);color:#fff}.study-topic-card-actions button.is-locked-action,.study-topic-card-actions button.is-primary.is-locked-action{border-color:#fca5a5;background:#fee2e2;color:#991b1b}.study-topic-card-actions button.is-locked-action:hover,.study-topic-card-actions button.is-primary.is-locked-action:hover{background:#fecaca}.study-card-page{min-height:100vh;background:#f8fafc;padding:28px 40px 36px}.study-card-shell{display:grid;width:min(960px,100%);gap:28px;margin:0 auto}.study-card-topbar{display:flex;align-items:flex-start;justify-content:space-between;gap:24px}.study-card-back,.study-card-ai-button,.study-card-actions 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