@import "https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300&family=DM+Mono:wght@400;500&family=DM+Serif+Display&display=swap";:root{--bg:oklch(10% .015 260);--sidebar:oklch(11.5% .017 260);--surface:oklch(13.5% .018 260);--surface2:oklch(16% .02 260);--surface3:oklch(19% .022 260);--border:oklch(22% .022 260);--border2:oklch(28% .022 260);--muted:oklch(45% .018 260);--muted2:oklch(60% .015 260);--text:oklch(92% .008 260);--accent:oklch(68% .16 240);--accent-dim:oklch(25% .07 240);--green:oklch(68% .16 150);--green-bg:oklch(18% .05 150);--yellow:oklch(78% .15 85);--yellow-bg:oklch(18% .05 85);--red:oklch(65% .18 20);--red-bg:oklch(20% .06 20);--glow:oklch(55% .18 240);--shadow-lg:0 24px 60px -24px oklch(5% .02 260/.7);--shadow-card:0 18px 40px -22px oklch(5% .02 260/.85);color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:DM Sans,sans-serif;font-size:17px}*,:before,:after{box-sizing:border-box}html,body,#app{min-height:100%;margin:0}body{background:var(--bg);color:var(--text)}body:before{content:"";pointer-events:none;z-index:0;background:radial-gradient(60% 35% at 50% 0,oklch(20% .06 245/.32) 0%,#0000 65%),radial-gradient(50% 30% at 70% 80%,oklch(18% .04 280/.2) 0%,#0000 60%);position:fixed;inset:0}body:after{content:"";pointer-events:none;z-index:0;background-image:linear-gradient(oklch(100% 0 0/.018) 1px,#0000 1px),linear-gradient(90deg,oklch(100% 0 0/.018) 1px,#0000 1px);background-size:48px 48px;position:fixed;inset:0}a,button{color:inherit}button,input,textarea{font:inherit}.page,.login-screen,.callback-screen{z-index:1;position:relative}.rise{animation:.6s cubic-bezier(.16,1,.3,1) both rise}@keyframes rise{0%{opacity:0;transform:translateY(18px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}.login-screen,.callback-screen{justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.login-card{background:var(--surface);border:1px solid var(--border);width:min(500px,100vw - 32px);box-shadow:0 0 0 1px oklch(100% 0 0/.04) inset, 0 32px 80px -16px oklch(5% .02 260/.8), 0 0 60px -20px var(--glow);border-radius:24px;flex-direction:column;align-items:center;padding:64px 56px 52px;animation:.7s cubic-bezier(.16,1,.3,1) both rise;display:flex}.icon-wrap,.brand-icon{background:linear-gradient(135deg,oklch(20% .06 245),oklch(16% .04 260));border:1px solid oklch(28% .05 245);justify-content:center;align-items:center;display:flex}.icon-wrap{width:68px;height:68px;box-shadow:0 0 24px -4px var(--glow);border-radius:18px;margin-bottom:32px}.icon-wrap svg{width:34px;height:34px}h1{letter-spacing:-.5px;margin:0 0 10px;font-family:DM Serif Display,serif;font-size:38px;font-weight:400}.tagline{color:var(--muted);margin:0 0 44px;font-size:16px;font-weight:300}.divider{background:linear-gradient(90deg, transparent, var(--border), transparent);width:100%;height:1px;margin-bottom:32px}.btn-google{color:oklch(18% .01 260);cursor:pointer;background:oklch(97% .003 260);border:none;border-radius:14px;justify-content:center;align-items:center;gap:12px;width:100%;margin-bottom:24px;padding:16px 24px;font-size:16px;font-weight:500;transition:background .15s,transform .12s,box-shadow .15s;display:flex;box-shadow:0 2px 12px oklch(5% .02 260/.4)}.btn-google:hover{background:oklch(100% 0 0);transform:translateY(-1px)}.g-logo{width:20px;height:20px}.footnote{color:oklch(35% .015 260);margin:0;font-size:13px}.onboarding-copy{margin-bottom:10px}.onboarding-help{max-width:32ch;color:var(--muted2);text-align:center;margin:0 0 34px;font-size:14px;line-height:1.7}.onboarding-form{width:100%}.onboarding-label{color:var(--muted2);margin-bottom:8px;font-size:13px;font-weight:500;display:block}.onboarding-input{width:100%;color:var(--text);background:oklch(12.5% .018 260);border:1px solid oklch(28% .028 260);border-radius:14px;outline:none;margin-bottom:14px;padding:14px 16px;transition:border-color .15s,background .15s}.onboarding-input:focus{background:oklch(14% .02 260);border-color:oklch(42% .08 240)}.onboarding-input::placeholder{color:var(--muted)}.onboarding-error{background:var(--red-bg);color:var(--red);border:1px solid oklch(35% .1 20/.4);border-radius:12px;margin-bottom:14px;padding:10px 12px;font-size:13px;line-height:1.55}.onboarding-submit{margin-bottom:0}.dashboard-page,.detail-page{width:100%;margin:0 auto;padding:34px 40px 96px}.dashboard-page{max-width:1520px}.detail-page{max-width:980px}.brand,.sidebar-logo{align-items:center;gap:10px;display:flex}.brand-icon{width:40px;height:40px;box-shadow:0 0 16px -4px var(--accent);border-radius:11px}.brand-icon svg{width:22px;height:22px}.brand-name{font-size:18px;font-weight:600}.header-right,.course-header,.whatif-header,.chat-header,.tool-header,.tool-header-right{align-items:center;display:flex}.avatar,.avatar-sm{color:var(--accent);background:linear-gradient(135deg, var(--accent-dim), oklch(25% .06 200));border:1.5px solid var(--border2);border-radius:50%;justify-content:center;align-items:center;font-weight:600;display:flex}.avatar{width:38px;height:38px;font-size:13px}.avatar-sm{width:30px;height:30px;font-size:11px}.user-name,.sidebar-user,.course-sub,.grade-sub,.proj-label,.input-hint{color:var(--muted2)}.user-name{font-size:15px}.sidebar-user,.course-sub,.grade-sub,.proj-label{font-size:14px}.input-hint{font-size:12px}.btn-view,.icon-btn{border:1px solid var(--border);color:var(--muted);cursor:pointer;background:0 0;transition:border-color .15s,color .15s,background .15s}.profile-trigger:hover,.btn-view:hover,.icon-btn:hover{border-color:var(--border2);color:var(--text)}.btn-view:hover{color:var(--text);border-color:oklch(34% .035 260)}.profile-menu{position:relative}.profile-trigger{color:var(--text);cursor:pointer;background:oklch(16% .018 260/.92);border:1px solid oklch(28% .028 260);border-radius:999px;align-items:center;gap:10px;padding:6px 8px 6px 12px;transition:border-color .15s,background .15s;display:inline-flex}.profile-trigger.open,.profile-trigger:hover{background:oklch(18% .02 260/.95);border-color:oklch(34% .03 260)}.profile-dropdown{z-index:30;background:linear-gradient(oklch(16% .02 260/.98),oklch(13.5% .018 260/.98));border:1px solid oklch(24% .026 260);border-radius:14px;min-width:210px;padding:8px;position:absolute;top:calc(100% + 10px);right:0;box-shadow:0 22px 46px -28px oklch(5% .02 260/.95)}.profile-dropdown.drop-up{top:auto;bottom:calc(100% + 10px)}.profile-dropdown-item{text-align:left;width:100%;color:var(--text);cursor:pointer;background:0 0;border:none;border-radius:10px;padding:10px 12px;font-size:14px;transition:background .15s,color .15s}.profile-dropdown-item:hover:not(:disabled){background:oklch(19% .022 260)}.profile-dropdown-item:disabled{color:var(--muted);cursor:default}.semester-row{flex-wrap:wrap;align-items:baseline;gap:14px;margin-bottom:30px;display:flex}.semester-title,.course-name-h{letter-spacing:-.7px;font-size:31px;font-weight:600}.semester-tag,.model-tag,.comp-tag,.grade-letter-hero,.graded-chip{border-radius:6px;font-size:11px;font-weight:500}.semester-tag{color:var(--accent);background:var(--accent-dim);text-transform:uppercase;border:1px solid oklch(40% .1 240/.4);padding:4px 10px}.course-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;display:grid}.dashboard-main{flex-direction:column;gap:30px;display:flex}.dashboard-loading-card{border:1px solid var(--border);min-height:280px;box-shadow:var(--shadow-card);background:linear-gradient(oklch(16% .022 260/.98),oklch(13.5% .018 260/.98));border-radius:18px;flex-direction:column;justify-content:center;align-items:center;gap:16px;display:flex}.dashboard-loading-copy{color:var(--muted2);font-size:15px}.dashboard-refresh-indicator{color:var(--muted2);text-transform:uppercase;letter-spacing:.35px;background:oklch(16% .02 260/.92);border:1px solid oklch(30% .03 260);border-radius:999px;align-items:center;gap:8px;margin-left:auto;padding:6px 10px;font-size:12px;font-weight:500;display:inline-flex}.loading-spinner{border:2px solid oklch(28% .03 260);border-top-color:var(--accent);border-right-color:oklch(78% .14 240);border-radius:50%;width:28px;height:28px;animation:.8s linear infinite spin}.loading-spinner.small{border-width:1.75px;width:14px;height:14px}.dashboard-top,.dashboard-rail,.dashboard-announcements{min-width:0}.dashboard-top{grid-template-columns:minmax(0,1.7fr) minmax(300px,.78fr);align-items:start;gap:24px;display:grid}.dashboard-rail{flex-direction:column;display:flex}.dashboard-rail .deadlines{box-shadow:var(--shadow-card)}.dashboard-announcements .announcements{margin-top:0}.course-card,.deadlines,.grade-table-wrap,.whatif-card,.empty-card{background:var(--surface);border:1px solid var(--border);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-radius:16px}.course-card{box-shadow:var(--shadow-lg);background:linear-gradient(oklch(16% .022 260/.98),oklch(13.5% .018 260/.98));flex-direction:column;padding:30px 28px 26px;transition:transform .18s,border-color .18s,box-shadow .18s;display:flex;position:relative;overflow:hidden}.course-card:before{content:"";background:linear-gradient(90deg,#0000,oklch(100% 0 0/.06),#0000);height:1px;position:absolute;inset:0 0 auto}.course-card:after{content:"";pointer-events:none;background:radial-gradient(circle,oklch(55% .12 240/.16) 0%,#0000 68%);height:120px;position:absolute;inset:auto -10% -40% 45%}.course-card:hover{border-color:var(--border2);transform:translateY(-3px);box-shadow:0 26px 56px -28px oklch(5% .02 260/.95)}.card-top,.grade-row,.course-meta-row,.mini-bar-wrap,.projected-grade,.slider-row,.sidebar-bottom,.chat-header-left,.msg-row{align-items:center;display:flex}.card-top{justify-content:space-between;align-items:flex-start;margin-bottom:20px}.course-code,.dl-code,.course-code-tag,.announcement-code,.slider-val,.proj-val,tbody td:not(:first-child),tfoot td:not(:first-child),.tool-body-inner{font-family:DM Mono,monospace}.course-code{color:var(--accent);letter-spacing:.5px;margin-bottom:8px;font-size:12px;font-weight:400;line-height:1.2}.course-name{letter-spacing:-.35px;text-wrap:balance;font-size:21px;font-weight:600;line-height:1.28}.badge{border-radius:999px;padding:5px 11px;font-size:13px}.badge.safe,.tag-done{color:var(--green);background:var(--green-bg);border:1px solid oklch(35% .08 150/.5)}.badge.track{color:var(--yellow);background:var(--yellow-bg);border:1px solid oklch(40% .08 85/.5)}.badge.risk{color:var(--red);background:var(--red-bg);border:1px solid oklch(35% .1 20/.5)}.tag-remaining,.graded-chip,.model-tag{color:var(--accent);background:var(--accent-dim);border:1px solid oklch(36% .09 240/.4)}.grade-row{align-items:baseline;gap:10px;margin-bottom:16px}.grade-pct,.grade-big{letter-spacing:-2px;font-size:48px;font-weight:600;line-height:1}.grade-big{letter-spacing:-2.5px;font-size:64px}.grade-big span{color:var(--muted2);font-size:32px}.grade-letter{color:var(--muted2);font-size:20px}.progress-wrap,.mini-bar{background:var(--surface2);overflow:hidden}.progress-wrap{background:linear-gradient(oklch(18% .022 260),oklch(14% .018 260));border-radius:999px;height:8px;margin-bottom:20px;position:relative;box-shadow:inset 0 1px 2px oklch(0% 0 0/.3)}.progress-fill,.mini-bar-fill{border-radius:999px;height:100%;transition:width 1.4s cubic-bezier(.22,1,.36,1)}.progress-fill{transform-origin:0;animation:1.1s cubic-bezier(.22,1,.36,1) both settle-bar;position:relative;overflow:hidden}.progress-fill:after{content:"";background:linear-gradient(90deg,#0000 0%,oklch(100% 0 0/.2) 45%,#0000 100%);animation:1.8s ease-out .3s forwards shimmer-pass;position:absolute;inset:0;transform:translate(-100%)}.fill-safe{background:linear-gradient(90deg, var(--green), oklch(75% .18 160))}.fill-track{background:linear-gradient(90deg, var(--yellow), oklch(82% .18 95))}.fill-risk{background:linear-gradient(90deg, var(--red), oklch(72% .2 30))}.btn-view{color:var(--text);min-height:44px;box-shadow:none;white-space:nowrap;background:oklch(18% .025 260);border-color:oklch(28% .03 260);border-radius:10px;justify-content:center;align-self:flex-start;align-items:center;gap:6px;margin-top:auto;padding:10px 14px;font-size:13px;font-weight:500;line-height:1;text-decoration:none;display:inline-flex}.btn-view:hover{box-shadow:none;background:oklch(20% .028 260)}.btn-view svg{flex-shrink:0;width:10px;height:10px}.section-label{color:var(--muted);letter-spacing:.4px;text-transform:uppercase;margin-bottom:16px;font-size:14px;font-weight:600}.deadlines{overflow:hidden}.announcements{background:linear-gradient(oklch(15.5% .02 255/.98),oklch(13.2% .017 260/.98));border-color:oklch(24% .026 250);margin-top:18px}.deadline-item{border-bottom:1px solid var(--border);grid-template-columns:100px 1fr auto;gap:18px;padding:18px 24px;display:grid}.deadline-item:last-child{border-bottom:none}.announcement-item{border-bottom:1px solid var(--border);color:inherit;grid-template-columns:110px 1fr auto;gap:18px;padding:18px 24px;text-decoration:none;transition:background .15s,transform .15s;display:grid;position:relative;overflow:hidden}.announcement-item:last-child{border-bottom:none}.announcement-item:before{content:"";opacity:.85;background:linear-gradient(oklch(72% .16 235),oklch(62% .12 210));border-radius:999px;width:3px;position:absolute;top:14px;bottom:14px;left:0}.announcement-item:hover{background:oklch(17% .024 252/.9);transform:translate(2px)}.announcement-code{color:var(--accent);letter-spacing:.4px;align-self:start;padding-top:2px;font-size:12px}.announcement-title{color:var(--text);letter-spacing:-.2px;margin-bottom:6px;font-size:16px;font-weight:600}.announcement-preview{color:var(--muted2);max-width:68ch;font-size:13px;line-height:1.6}.announcement-date{color:oklch(78% .05 230);white-space:nowrap;background:oklch(20% .03 245);border:1px solid oklch(30% .03 245);border-radius:999px;align-self:start;padding:6px 10px;font-size:12px}.dl-code{color:var(--accent);letter-spacing:.4px;font-size:12px}.dl-name{font-size:16px}.dl-due{color:var(--muted);white-space:nowrap;font-size:12px}.dl-due.soon{color:var(--yellow)}.dl-due.urgent{color:var(--red)}.dl-dot{border-radius:50%;width:6px;height:6px;margin-right:6px;display:inline-block}.dot-safe{background:var(--green)}.dot-soon{background:var(--yellow)}.dot-urgent{background:var(--red)}.back-btn{color:var(--muted);align-items:center;gap:8px;margin-bottom:32px;font-size:15px;text-decoration:none;display:inline-flex}.course-header{justify-content:space-between;align-items:flex-start;gap:28px;margin-bottom:42px}.course-code-tag{color:var(--accent);align-items:center;gap:8px;margin-bottom:8px;font-size:13px;display:flex}.status-pip{background:var(--green);width:6px;height:6px;box-shadow:0 0 6px var(--green);border-radius:50%}.grade-hero{flex-direction:column;align-items:flex-end;gap:6px;display:flex}.grade-letter-hero{padding:5px 12px;font-size:14px}.grade-table-wrap{margin-bottom:32px;overflow:hidden}table{border-collapse:collapse;width:100%}thead th{background:var(--surface2);color:var(--muted);text-transform:uppercase;letter-spacing:.4px;text-align:left;border-bottom:1px solid var(--border);padding:16px 22px;font-size:13px}thead th:not(:first-child),tbody td:not(:first-child),tfoot td:not(:first-child){text-align:right}tbody tr{border-bottom:1px solid var(--border)}tbody td,tfoot td{padding:16px 22px;font-size:15px}.comp-name{font-weight:500}.comp-tag{margin-left:8px;padding:3px 8px;display:inline-block}.score-na{color:var(--muted)}.contrib-positive{color:var(--green)}.mini-bar-wrap{justify-content:flex-end;gap:8px}.mini-bar{width:60px;height:3px}.mini-bar-fill{background:var(--accent);opacity:.7}.whatif-card{margin-bottom:24px;overflow:hidden}.whatif-header{border-bottom:1px solid var(--border);background:var(--surface2);justify-content:space-between;padding:22px 24px}.whatif-title{align-items:center;gap:8px;font-size:16px;font-weight:600;display:flex}.proj-val{font-size:26px;font-weight:500}.proj-letter{background:var(--green-bg);color:var(--green);border-radius:5px;padding:3px 9px;font-size:13px}.slider-row{border-bottom:1px solid var(--border);grid-template-columns:220px 1fr 72px;gap:18px;padding:18px 24px;display:grid}.slider-row:last-child{border-bottom:none}.slider-name{font-size:16px;font-weight:500}.slider-weight{color:var(--muted);margin-top:2px;font-size:13px}input[type=range]{appearance:none;background:var(--surface3);border-radius:999px;width:100%;height:6px}input[type=range]::-webkit-slider-thumb{appearance:none;background:var(--accent);border:2px solid var(--bg);border-radius:50%;width:18px;height:18px}.disclaimer{color:var(--muted);text-align:center;max-width:760px;margin-inline:auto;font-size:13px;line-height:1.6}.acorn-page{max-width:1480px}.acorn-hero,.acorn-header,.acorn-panel-head,.acorn-code-actions,.acorn-actions,.acorn-header-actions{align-items:center;display:flex}.acorn-hero,.acorn-header{justify-content:space-between;gap:24px;margin-bottom:28px}.acorn-page-title{letter-spacing:-.9px;margin:0 0 10px;font-size:38px;font-weight:600}.acorn-page-copy,.acorn-panel-sub,.acorn-code-help,.acorn-summary-hint,.acorn-status-meta,.acorn-last-import{color:var(--muted2)}.acorn-page-copy{max-width:64ch;margin:0;font-size:16px;line-height:1.75}.acorn-status-card,.acorn-onboarding-card,.acorn-code-card,.acorn-summary-card,.acorn-chart-card,.acorn-table-card{border:1px solid var(--border);box-shadow:var(--shadow-card);background:linear-gradient(oklch(16% .022 260/.98),oklch(13.5% .018 260/.98));border-radius:18px}.acorn-status-card{min-width:320px;max-width:360px;padding:22px 22px 20px}.acorn-status-card.detected{box-shadow:var(--shadow-card), 0 0 0 1px oklch(34% .04 150/.24) inset;border-color:oklch(34% .06 150)}.acorn-status-label,.acorn-summary-label{color:oklch(74% .018 260);letter-spacing:.45px;text-transform:uppercase;margin-bottom:8px;font-size:12px;font-weight:600}.acorn-status-value,.acorn-summary-value{letter-spacing:-.8px;font-size:30px;font-weight:600}.acorn-status-meta,.acorn-summary-hint,.acorn-last-import{font-size:13px;line-height:1.6}.acorn-onboarding-grid{grid-template-columns:minmax(0,1.2fr) minmax(320px,.8fr);gap:24px;display:grid}.acorn-onboarding-card,.acorn-code-card,.acorn-chart-card,.acorn-table-card{padding:28px}.acorn-summary-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-bottom:24px;display:grid}.acorn-summary-card{text-align:center;padding:22px 22px 20px}.acorn-panel-title{letter-spacing:-.35px;font-size:21px;font-weight:600}.acorn-panel-sub{margin-top:6px;font-size:14px;line-height:1.65}.acorn-steps{color:var(--text);margin:18px 0 0;padding-left:20px;line-height:1.9}.acorn-actions,.acorn-code-actions{flex-wrap:wrap;gap:12px}.acorn-actions{margin-top:24px}.acorn-code-card{flex-direction:column;justify-content:space-between;gap:18px;display:flex}.acorn-code{letter-spacing:2px;background:oklch(11.5% .016 260);border:1px solid oklch(30% .03 260);border-radius:16px;padding:18px 20px;font-family:DM Mono,monospace;font-size:36px;font-weight:500}.acorn-code-help{font-size:14px;line-height:1.7}.acorn-primary-btn,.acorn-secondary-btn,.acorn-toggle-btn{cursor:pointer;border-radius:12px;transition:background .15s,border-color .15s,color .15s,transform .15s}.acorn-primary-btn,.acorn-secondary-btn{padding:11px 16px;font-size:14px;font-weight:500;text-decoration:none}.acorn-primary-btn{color:oklch(92% .008 260);background:oklch(20% .06 240);border:1px solid oklch(48% .11 240)}.acorn-primary-btn:hover{background:oklch(23% .07 240);transform:translateY(-1px)}.acorn-secondary-btn{color:var(--text);background:oklch(17% .02 260);border:1px solid oklch(28% .03 260)}.acorn-secondary-btn:hover,.acorn-toggle-btn:hover{background:oklch(19% .024 260);border-color:oklch(34% .03 260)}.acorn-primary-btn:disabled,.acorn-secondary-btn:disabled{opacity:.7;cursor:default;transform:none}.acorn-inline-error,.acorn-inline-note,.acorn-inline-success{border-radius:14px;padding:12px 14px;font-size:13px;line-height:1.65}.acorn-inline-error{color:var(--red);background:var(--red-bg);border:1px solid oklch(35% .1 20/.4)}.acorn-inline-note{color:var(--muted2);border:1px solid var(--border);background:oklch(17% .02 260)}.acorn-inline-success{color:var(--green);background:var(--green-bg);border:1px solid oklch(35% .08 150/.4)}.acorn-header-actions{align-items:flex-end;gap:14px}.acorn-summary-grid,.acorn-chart-card{margin-bottom:24px}.acorn-panel-head{justify-content:space-between;gap:16px;margin-bottom:22px}.acorn-toggle{border:1px solid var(--border);background:oklch(12.5% .018 260);border-radius:14px;gap:8px;padding:4px;display:inline-flex}.acorn-toggle-btn{color:var(--muted2);background:0 0;border:none;padding:8px 12px;font-size:13px;font-weight:500}.acorn-toggle-btn.active{color:var(--text);background:oklch(20% .06 240)}.acorn-chart-wrap{justify-content:center;display:flex;overflow-x:auto}.acorn-chart{aspect-ratio:760/252;flex:none;width:min(100%,960px);min-width:720px;height:auto}.acorn-area{fill:url(#acornAreaGradient)}.acorn-axis-line,.acorn-grid-line{stroke:oklch(28% .02 260);stroke-width:1px}.acorn-grid-line{stroke-dasharray:3 6}.acorn-line{fill:none;stroke:var(--accent);stroke-width:3.5px;stroke-linecap:round;stroke-linejoin:miter;filter:drop-shadow(0 6px 16px oklch(68% .16 240/.2))}.acorn-point{fill:var(--accent);stroke:oklch(98% 0 0);stroke-width:2px;transition:r .16s,fill .16s,stroke .16s}.acorn-point.latest{fill:oklch(80% .16 235)}.acorn-point.hovered{fill:oklch(84% .18 235)}.acorn-hover-line{stroke:oklch(65% .06 240/.55);stroke-width:1.5px;stroke-dasharray:4 6}.acorn-tooltip-card{fill:oklch(14.5% .02 260/.96);stroke:oklch(30% .03 260);stroke-width:1px}.acorn-tooltip-title,.acorn-tooltip-value{font-family:DM Sans,sans-serif}.acorn-tooltip-title{fill:var(--text);font-size:11.5px;font-weight:600}.acorn-tooltip-value{fill:var(--muted2);font-size:11.5px}.acorn-hit-area{fill:#0000;cursor:pointer}.acorn-axis-label,.acorn-point-value{fill:var(--muted2);font-family:DM Sans,sans-serif;font-size:11px}.acorn-point-value{fill:var(--text);font-size:12px;font-weight:600}.acorn-table-scroll{overflow-x:auto}.acorn-table{border-collapse:collapse;table-layout:fixed;width:100%;min-width:780px}.acorn-table thead th{vertical-align:middle;background:oklch(16.5% .02 260);padding:14px 16px;font-size:12px}.acorn-table tbody td{vertical-align:middle;padding:15px 16px;font-size:14px;line-height:1.55}.acorn-table thead th,.acorn-table tbody td{text-align:left}.acorn-table tbody td:not(:first-child){text-align:left;font-family:DM Sans,sans-serif}.acorn-course-code{color:var(--accent);font-family:DM Mono,monospace;font-size:12.5px}.acorn-sort-btn{width:100%;color:var(--muted);letter-spacing:.4px;text-transform:uppercase;text-align:left;cursor:pointer;background:0 0;border:none;justify-content:space-between;align-items:center;gap:10px;padding:0;font-size:12px;font-weight:600;transition:color .15s;display:flex}.acorn-sort-btn:hover,.acorn-sort-btn.active{color:var(--text)}.acorn-sort-icon{color:var(--muted2);flex-shrink:0;font-size:11px}.acorn-sort-btn.active .acorn-sort-icon{color:var(--accent)}.app-shell{min-height:100vh;display:flex}.sidebar,.app-sidebar{background:linear-gradient(oklch(12% .017 260/.98),oklch(10.5% .015 260/.98));border-right:1px solid oklch(22% .022 260);flex-direction:column;flex-shrink:0;gap:8px;width:286px;min-height:100vh;padding:18px 14px 16px;display:flex;position:sticky;top:0;box-shadow:18px 0 42px -34px oklch(5% .02 260/.9)}.sidebar-nav{flex-direction:column;gap:4px;padding-top:6px;display:flex}.sidebar-logo{border-bottom:1px solid oklch(22% .022 260);margin-bottom:6px;padding:8px 10px 18px}.sidebar-item{color:var(--muted2);text-align:left;cursor:pointer;background:0 0;border:none;border-radius:14px;align-items:center;gap:10px;padding:12px 14px;font-size:15px;font-weight:500;line-height:1.4;text-decoration:none;transition:background .18s,color .18s,border-color .18s;display:flex}.sidebar-item.active,.sidebar-item:hover{color:var(--text);background:oklch(17% .02 260)}.sidebar-item.active{border:1px solid oklch(30% .03 260);box-shadow:inset 0 1px oklch(100% 0 0/.03)}.sidebar-bottom{border-top:1px solid oklch(22% .022 260);margin-top:auto;padding:14px 10px 0}.app-content{z-index:1;flex:1;min-width:0;padding:0 10px;position:relative}.chat-main{flex-direction:column;flex:1;min-width:0;display:flex}.chat-page{min-height:100vh;padding:0}.chat-header{border-bottom:1px solid var(--border);justify-content:space-between;padding:28px 34px 22px}.chat-header-left{gap:10px}.chat-header-title{font-size:19px;font-weight:600}.chat-header-sub{color:var(--muted);font-size:14px}.messages-scroll{flex:1;padding:28px 0 16px;overflow-y:auto}.messages-inner{flex-direction:column;gap:24px;max-width:1040px;margin:0 auto;padding:0 34px;display:flex}.msg-row{align-items:flex-start;gap:12px}.msg-row.user{flex-direction:row-reverse}.msg-avatar{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;font-size:12px;font-weight:600;display:flex}.msg-avatar.ai{color:var(--accent);background:linear-gradient(135deg,oklch(20% .06 245),oklch(16% .04 260));border:1px solid oklch(28% .05 245)}.msg-avatar.user{background:oklch(22% .055 240);border:1px solid oklch(30% .07 240)}.msg-bubble-wrap{flex-direction:column;gap:8px;max-width:86%;display:flex}.msg-bubble{border-radius:18px;padding:15px 18px;font-size:16px;line-height:1.7}.msg-bubble.ai{background:var(--surface);border:1px solid var(--border);border-top-left-radius:4px}.msg-bubble.user{background:oklch(22% .055 240);border:1px solid oklch(30% .07 240);border-top-right-radius:4px}.tool-stack{flex-direction:column;gap:10px;display:flex}.tool-block{background:var(--surface2);border:1px solid var(--border);box-shadow:var(--shadow-card);border-radius:10px;overflow:hidden}.tool-header{width:100%;color:inherit;background:0 0;border:none;justify-content:space-between;padding:12px 15px}.tool-header-left{align-items:center;gap:8px;display:flex}.tool-name{font-size:14px}.tool-icon{background:var(--green-bg);width:18px;height:18px;color:var(--green);border-radius:5px;justify-content:center;align-items:center;display:flex}.tool-status{color:var(--green);font-size:12px}.tool-chevron{transition:transform .2s}.tool-block.open .tool-chevron{transform:rotate(90deg)}.tool-body{max-height:0;transition:max-height .25s;overflow:hidden}.tool-block.open .tool-body{border-top:1px solid var(--border);max-height:320px}.tool-body-inner{color:var(--muted2);padding:14px 16px;font-size:12.5px;line-height:1.7}.tool-kv{gap:12px;display:flex}.tool-key{color:var(--accent)}.input-area{border-top:1px solid var(--border);padding:18px 34px 24px}.chips{flex-wrap:wrap;gap:7px;margin-bottom:12px;display:flex}.chip{background:var(--surface);border:1px solid var(--border);color:var(--muted2);cursor:pointer;border-radius:20px;padding:7px 14px;font-size:14px}.input-row{background:var(--surface);border:1px solid var(--border);border-radius:16px;align-items:flex-end;gap:10px;padding:12px 14px 12px 18px;display:flex}.input-box{resize:none;color:var(--text);background:0 0;border:none;outline:none;flex:1;min-height:30px;max-height:140px;font-size:16px}.send-btn{background:var(--accent);cursor:pointer;border:none;border-radius:11px;justify-content:center;align-items:center;width:40px;height:40px;display:flex}.typing-bubble{gap:6px;display:inline-flex}.typing-dot{background:var(--muted2);border-radius:50%;width:7px;height:7px;animation:1.2s infinite pulse}.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}@keyframes pulse{0%,to{opacity:.3;transform:scale(.85)}50%{opacity:1;transform:scale(1)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.empty-card,.empty-inline{color:var(--muted2);padding:28px;font-size:13px}@keyframes settle-bar{0%{filter:saturate(.9);transform:scaleX(.92)}to{filter:saturate();transform:scaleX(1)}}@keyframes shimmer-pass{0%{transform:translate(-100%)}to{transform:translate(140%)}}@media (width<=900px){.dashboard-page,.detail-page{padding:26px 26px 88px}.dashboard-main{gap:24px}.dashboard-top{grid-template-columns:1fr;gap:20px}.course-grid{grid-template-columns:1fr}.app-shell{flex-direction:column}.sidebar,.app-sidebar{border-right:none;border-bottom:1px solid var(--border);width:100%;min-height:auto;box-shadow:none;padding:16px 16px 14px;position:static}.app-content{padding:0}.messages-inner{max-width:100%;padding:0 22px}.announcement-item{grid-template-columns:90px 1fr}.announcement-date{justify-self:start}.acorn-hero,.acorn-header,.acorn-panel-head{flex-direction:column;align-items:flex-start}.acorn-status-card{width:100%;max-width:none}.acorn-onboarding-grid,.acorn-summary-grid{grid-template-columns:1fr}}@media (width<=640px){.dashboard-page,.detail-page{padding:18px 16px 72px}.deadline-item,.slider-row{grid-template-columns:1fr}.course-header,.chat-header{flex-direction:column;align-items:flex-start}.login-card{border-radius:20px;padding:44px 26px 34px}h1{font-size:32px}.tagline{margin-bottom:32px;font-size:15px}.course-card{padding:24px 20px 22px}.course-code{font-size:13px}.course-name{font-size:19px}.semester-title,.course-name-h{font-size:27px}.grade-pct{font-size:42px}.grade-big{font-size:54px}.chat-header{padding:16px 18px}.messages-scroll{padding:20px 0 12px}.messages-inner{gap:18px;padding:0 16px}.msg-bubble-wrap{max-width:100%}.msg-bubble{padding:14px 16px;font-size:15px}.input-area{padding:14px 16px 18px}.sidebar-item{padding:10px 12px;font-size:14px}.chip{font-size:13px}.section-label{font-size:12px}.announcement-item{grid-template-columns:1fr;gap:10px;padding:16px 18px 16px 20px}.announcement-code{font-size:10.5px}.announcement-title{font-size:15px}.announcement-preview{font-size:12.5px}.acorn-page-title{font-size:32px}.acorn-page-copy{font-size:15px}.acorn-onboarding-card,.acorn-code-card,.acorn-chart-card,.acorn-table-card{padding:22px 18px}.acorn-code{letter-spacing:1.4px;font-size:28px}.acorn-status-value,.acorn-summary-value{font-size:26px}.acorn-header-actions{align-items:flex-start;width:100%}}