:root{--seed-primary: #0071e3;--seed-accent: #34aadc;--seed-success: #34c759;--seed-warning: #ff9500;--seed-danger: #ff3b30;--seed-info: #5ac8fa;--seed-bg: #f5f5f7;--seed-fg: #1d1d1f;--seed-surface: #ffffff;--seed-radius: 16px;--c-primary: var(--seed-primary);--c-primary-hover: #0077ed;--c-primary-press: #006edb;--c-primary-bg: #e8f2fd;--c-primary-light: #5eb3f2;--c-accent: var(--seed-accent);--c-accent-bg: #e5f5fc;--c-success: var(--seed-success);--c-success-bg: #e8f9ed;--c-warning: var(--seed-warning);--c-warning-bg: #fff5e6;--c-danger: var(--seed-danger);--c-danger-bg: #ffeae9;--c-info: var(--seed-info);--c-info-bg: #e8f7fd;--c-bg: var(--seed-bg);--c-surface: var(--seed-surface);--c-surface-2: #fafafa;--c-surface-3: #f0f0f2;--c-border: #d2d2d7;--c-border-light: #e5e5ea;--c-border-strong: #86868b;--c-text: var(--seed-fg);--c-text-2: #424245;--c-text-muted: #6e6e73;--c-text-subtle: #aeaeb2;--c-error: var(--c-danger);--grad-primary: linear-gradient(135deg, #0071e3 0%, #34aadc 100%);--grad-hero: linear-gradient(135deg, #0071e3 0%, #5856d6 50%, #af52de 100%);--grad-student: linear-gradient(135deg, #34c759 0%, #30d158 50%, #5ac8fa 100%);--grad-warm: linear-gradient(135deg, #ff9500 0%, #ff3b30 100%);--grad-bg: linear-gradient(180deg, #f5f5f7 0%, #ffffff 100%);--shadow-xs: 0 1px 2px rgba(0,0,0,.04), 0 1px 3px rgba(0,0,0,.06);--shadow-sm: 0 2px 8px rgba(0,0,0,.06), 0 1px 3px rgba(0,0,0,.08);--shadow-md: 0 4px 16px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.06);--shadow-lg: 0 8px 32px rgba(0,0,0,.1), 0 4px 12px rgba(0,0,0,.06);--shadow-xl: 0 16px 48px rgba(0,0,0,.12), 0 8px 24px rgba(0,0,0,.08);--r-xs: 6px;--r-sm: 8px;--r-md: 12px;--r-lg: var(--seed-radius);--r-xl: 20px;--r-2xl: 28px;--r-full: 999px;--ease: cubic-bezier(.25, .1, .25, 1);--ease-spring: cubic-bezier(.34, 1.56, .64, 1);--dur: .2s;--dur-slow: .35s;--s-1: 4px;--s-2: 8px;--s-3: 12px;--s-4: 16px;--s-5: 20px;--s-6: 24px;--s-8: 32px;--s-10: 40px;--s-12: 48px;--s-16: 64px;color:var(--c-text);background:var(--c-bg);font-family:Inter,-apple-system,BlinkMacSystemFont,SF Pro Text,SF Pro Display,Helvetica Neue,Segoe UI,system-ui,sans-serif;font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-feature-settings:"cv02","cv03","cv04","cv11"}*,*:before,*:after{box-sizing:border-box;margin:0}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;background:var(--c-bg);-webkit-tap-highlight-color:transparent}button,input,select,textarea{font:inherit}img,svg{display:block;max-width:100%}h1,h2,h3,h4{line-height:1.2}a{color:var(--c-primary);text-decoration:none}.spark-page{display:grid;gap:var(--s-6);max-width:720px;margin:0 auto;padding:var(--s-4)}.spark-page-header{display:grid;gap:var(--s-1)}.spark-page-header .spark-eyebrow{color:var(--c-primary);font-weight:700;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase}.spark-page-header h2{font-size:1.6rem;font-weight:700;color:var(--c-text);letter-spacing:-.02em}.spark-page-header p{color:var(--c-text-muted);font-size:.9rem;line-height:1.5}.spark-card{background:var(--c-surface);border:1px solid var(--c-border-light);border-radius:var(--r-lg);box-shadow:var(--shadow-xs);padding:var(--s-5);transition:box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease);animation:fadeInUp .3s var(--ease)}.spark-card:hover{box-shadow:var(--shadow-sm)}.spark-card-flat{background:var(--c-surface);border:1px solid var(--c-border-light);border-radius:var(--r-lg);padding:var(--s-5)}.spark-hero-card{display:flex;justify-content:space-between;gap:var(--s-4);align-items:center;padding:var(--s-6) var(--s-6);border-radius:var(--r-xl);color:#fff;position:relative;overflow:hidden;border:none}.spark-hero-card.parent{background:var(--grad-hero);box-shadow:0 8px 32px #0071e340}.spark-hero-card.student{background:var(--grad-student);box-shadow:0 8px 32px #34c75940}.spark-hero-card:before{content:"";position:absolute;top:-40%;right:-20%;width:200px;height:200px;border-radius:50%;background:#ffffff14}.spark-hero-card:after{content:"";position:absolute;bottom:-30%;left:-10%;width:150px;height:150px;border-radius:50%;background:#ffffff0d}.spark-hero-card>*{position:relative;z-index:1}.spark-hero-card .hero-code{font-size:.75rem;font-weight:600;opacity:.8;letter-spacing:.04em}.spark-hero-card h3{font-size:1.35rem;font-weight:700;margin:var(--s-1) 0;letter-spacing:-.01em}.spark-hero-card .hero-sub{font-size:.85rem;opacity:.85}.spark-hero-card .hero-metric{text-align:right;flex-shrink:0}.spark-hero-card .hero-percent{font-size:2.4rem;font-weight:800;letter-spacing:-.03em;line-height:1}.spark-hero-card .hero-label{font-size:.72rem;opacity:.75;margin-top:var(--s-1);font-weight:500}.spark-metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--s-3)}.spark-metric{background:var(--c-surface);border:1px solid var(--c-border-light);border-radius:var(--r-md);padding:var(--s-4);display:grid;gap:var(--s-1);transition:box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease)}.spark-metric:hover{box-shadow:var(--shadow-sm);transform:translateY(-1px)}.spark-metric .metric-icon{width:36px;height:36px;border-radius:var(--r-sm);display:grid;place-items:center;margin-bottom:var(--s-1)}.spark-metric .metric-label{color:var(--c-text-muted);font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em}.spark-metric .metric-value{font-size:1.5rem;font-weight:700;color:var(--c-text);line-height:1.2;letter-spacing:-.02em}.spark-metric .metric-hint{color:var(--c-text-subtle);font-size:.78rem}.mc-green{background:var(--c-success-bg);color:var(--c-success)}.mc-rose{background:var(--c-danger-bg);color:var(--c-danger)}.mc-info{background:var(--c-info-bg);color:var(--c-info)}.spark-badge{display:inline-flex;align-items:center;gap:var(--s-1);border-radius:var(--r-full);padding:3px 10px;font-size:.72rem;font-weight:600;letter-spacing:.02em}.spark-badge-blue{background:var(--c-primary-bg);color:var(--c-primary)}.spark-badge-green{background:var(--c-success-bg);color:var(--c-success)}.spark-badge-amber{background:var(--c-warning-bg);color:var(--c-warning)}.spark-badge-rose{background:var(--c-danger-bg);color:var(--c-danger)}.spark-badge-gray{background:var(--c-surface-3);color:var(--c-text-muted)}.spark-status-dot{display:inline-block;width:7px;height:7px;border-radius:50%}.spark-status-dot.green{background:var(--c-success)}.spark-status-dot.yellow{background:var(--c-warning)}.spark-status-dot.red{background:var(--c-danger)}.spark-status-dot.blue{background:var(--c-primary)}.spark-status-dot.gray{background:var(--c-text-subtle)}.spark-btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--s-2);border:none;cursor:pointer;font-weight:600;font-size:.9rem;border-radius:var(--r-full);padding:10px 22px;transition:all var(--dur) var(--ease);-webkit-user-select:none;user-select:none}.spark-btn:active{transform:scale(.97)}.spark-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.spark-btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 2px 8px #0071e34d}.spark-btn-primary:hover:not(:disabled){background:var(--c-primary-hover);box-shadow:0 4px 14px #0071e359}.spark-btn-secondary{background:var(--c-primary-bg);color:var(--c-primary);border:1.5px solid rgba(0,113,227,.2)}.spark-btn-secondary:hover:not(:disabled){background:#d9ecfd;border-color:#0071e359}.spark-btn-ghost{background:transparent;color:var(--c-text-2);border:1.5px solid var(--c-border);padding:8px 16px;font-size:.85rem}.spark-btn-ghost:hover:not(:disabled){background:var(--c-surface-3);border-color:var(--c-border-strong)}.spark-btn-full{width:100%}.spark-btn-sm{padding:6px 14px;font-size:.82rem}.spark-btn-lg{padding:14px 28px;font-size:1rem}.spark-progress-ring{position:relative;display:grid;place-items:center}.spark-progress-ring svg{transform:rotate(-90deg)}.spark-progress-ring .ring-track{fill:none;stroke:var(--c-border-light);stroke-width:8}.spark-progress-ring .ring-fill{fill:none;stroke:var(--c-primary);stroke-width:8;stroke-linecap:round;transition:stroke-dashoffset .8s var(--ease)}.spark-progress-ring .ring-label{position:absolute;font-size:1.4rem;font-weight:800;color:var(--c-primary);letter-spacing:-.02em}.spark-progress-bar{width:100%;height:6px;background:var(--c-border-light);border-radius:var(--r-full);overflow:hidden}.spark-progress-bar .bar-fill{height:100%;border-radius:var(--r-full);background:var(--c-primary);transition:width .6s var(--ease)}.spark-progress-bar .bar-fill.green{background:var(--c-success)}.spark-progress-bar .bar-fill.amber{background:var(--c-warning)}@keyframes skeleton-pulse{0%,to{opacity:.45}50%{opacity:.9}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}.spark-skeleton{background:var(--c-surface-3);border-radius:var(--r-sm);animation:skeleton-pulse 1.5s ease-in-out infinite}.spark-skeleton-text{height:14px;width:60%}.spark-skeleton-text.w-full{width:100%}.spark-skeleton-text.w-40{width:40%}.spark-skeleton-heading{height:22px;width:45%}.spark-skeleton-card{height:120px;border-radius:var(--r-lg)}.spark-skeleton-circle{border-radius:50%}.spark-empty{text-align:center;padding:var(--s-8) var(--s-5);background:var(--c-surface);border:1px solid var(--c-border-light);border-radius:var(--r-lg);animation:fadeInUp .4s var(--ease)}.spark-empty .empty-icon{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;margin:0 auto var(--s-4);animation:scaleIn .5s var(--ease-spring)}.spark-empty h3{font-size:1.05rem;font-weight:700;color:var(--c-text);margin-bottom:var(--s-2)}.spark-empty p{font-size:.88rem;color:var(--c-text-muted);line-height:1.5;max-width:320px;margin:0 auto}.spark-error-banner{display:flex;align-items:flex-start;gap:var(--s-3);background:var(--c-danger-bg);border:1px solid rgba(255,59,48,.2);border-radius:var(--r-md);padding:var(--s-3) var(--s-4)}.spark-error-banner .error-icon{color:var(--c-danger);flex-shrink:0;margin-top:2px}.spark-error-banner p{font-size:.86rem;color:var(--c-danger);font-weight:500}.spark-success-banner{display:flex;align-items:flex-start;gap:var(--s-3);background:var(--c-success-bg);border:1px solid rgba(52,199,89,.2);border-radius:var(--r-md);padding:var(--s-3) var(--s-4)}.spark-success-banner p{font-size:.86rem;color:#1a7f37;font-weight:500}.spark-list{background:var(--c-surface);border:1px solid var(--c-border-light);border-radius:var(--r-lg);overflow:hidden}.spark-list-item{padding:var(--s-4) var(--s-5);border-bottom:1px solid var(--c-border-light);display:grid;gap:var(--s-1);transition:background var(--dur);animation:fadeInUp .3s var(--ease)}.spark-list-item:last-child{border-bottom:none}.spark-list-item:hover{background:var(--c-surface-2)}.spark-list-item .list-title{font-size:.95rem;font-weight:600;color:var(--c-text)}.spark-list-item .list-sub{font-size:.83rem;color:var(--c-text-muted)}.spark-list-item-row{display:flex;justify-content:space-between;align-items:center;gap:var(--s-3)}.spark-voucher{background:linear-gradient(135deg,#fffbeb,#fef3c7 60%,#fde68a30);border:1px solid rgba(255,149,0,.2);border-radius:var(--r-lg);padding:var(--s-5);display:grid;gap:var(--s-2);animation:fadeInUp .3s var(--ease)}.spark-voucher .vc-source{font-size:.72rem;font-weight:700;color:var(--c-warning);text-transform:uppercase;letter-spacing:.06em}.spark-voucher h3{font-size:1rem;font-weight:700;color:var(--c-text)}.spark-voucher .vc-code{display:inline-flex;align-items:center;gap:var(--s-2);border:1.5px dashed var(--c-warning);border-radius:var(--r-sm);padding:6px 12px;font-size:.9rem;font-weight:800;color:#b36b00;background:#fff;font-family:SF Mono,Fira Code,Courier New,monospace;letter-spacing:.08em;width:fit-content}.spark-voucher .vc-validity{font-size:.78rem;color:var(--c-text-muted)}button.vc-code,button.spark-voucher .vc-code{border:1.5px dashed var(--c-warning);background:#fff;cursor:pointer;transition:background var(--dur) var(--ease)}button.vc-code:hover{background:var(--c-warning-bg)}.spark-field{display:grid;gap:var(--s-2)}.spark-field .field-label{font-size:.78rem;font-weight:600;color:var(--c-text-2);letter-spacing:.02em}.spark-input{width:100%;border:1.5px solid var(--c-border);border-radius:var(--r-md);padding:10px 14px;background:var(--c-surface);color:var(--c-text);font-size:.9rem;transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);outline:none}.spark-input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px #0071e31f}.spark-input::placeholder{color:var(--c-text-subtle)}.spark-select{width:100%;border:1.5px solid var(--c-border);border-radius:var(--r-md);padding:10px 36px 10px 14px;background:var(--c-surface);color:var(--c-text);font-size:.9rem;outline:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236e6e73' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}.spark-select:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px #0071e31f}.spark-divider{display:flex;align-items:center;gap:var(--s-3);color:var(--c-text-subtle);font-size:.8rem}.spark-divider:before,.spark-divider:after{content:"";flex:1;height:1px;background:var(--c-border-light)}.spark-cta-row{display:flex;flex-wrap:wrap;gap:var(--s-2)}.spark-announcement{background:var(--c-surface);border:1px solid var(--c-border-light);border-radius:var(--r-md);padding:var(--s-4);display:grid;gap:var(--s-2);animation:fadeInUp .3s var(--ease)}.spark-announcement .ann-type{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em}.spark-announcement h4{font-size:.92rem;font-weight:600;color:var(--c-text)}.spark-announcement p{font-size:.83rem;color:var(--c-text-muted);line-height:1.45}.spark-notif{display:grid;grid-template-columns:auto 1fr;gap:var(--s-3);padding:var(--s-4) var(--s-5);border-bottom:1px solid var(--c-border-light);transition:background var(--dur);animation:fadeInUp .3s var(--ease)}.spark-notif:last-child{border-bottom:none}.spark-notif:hover{background:var(--c-surface-2)}.spark-notif .notif-indicator{width:8px;height:8px;border-radius:50%;margin-top:6px;flex-shrink:0}.spark-notif .notif-indicator.unread{background:var(--c-primary)}.spark-notif .notif-indicator.read{background:transparent}.spark-notif .notif-title{font-size:.92rem;font-weight:600;color:var(--c-text)}.spark-notif .notif-body{font-size:.83rem;color:var(--c-text-muted);margin-top:2px;line-height:1.45}.spark-notif .notif-time{font-size:.72rem;color:var(--c-text-subtle);margin-top:var(--s-1)}.spark-achievement{background:var(--c-surface);border:1px solid var(--c-border-light);border-radius:var(--r-lg);padding:var(--s-5);text-align:center;animation:fadeInUp .3s var(--ease)}.spark-achievement .ach-icon{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;margin:0 auto var(--s-3)}.spark-achievement h4{font-size:.95rem;font-weight:700;color:var(--c-text);margin-bottom:var(--s-1)}.spark-achievement p{font-size:.82rem;color:var(--c-text-muted)}.spark-tuition-card{background:var(--c-surface);border:1px solid var(--c-border-light);border-radius:var(--r-lg);padding:var(--s-5);animation:fadeInUp .3s var(--ease)}.spark-tuition-card .tuition-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--s-3)}.spark-tuition-card .tuition-amount{font-size:1.35rem;font-weight:700;color:var(--c-text);letter-spacing:-.02em}.spark-tuition-card .tuition-detail{display:grid;gap:var(--s-2)}.spark-tuition-card .tuition-row{display:flex;justify-content:space-between;font-size:.85rem}.spark-tuition-card .tuition-row .label{color:var(--c-text-muted)}.spark-tuition-card .tuition-row .value{color:var(--c-text);font-weight:600}.spark-schedule-item{display:grid;grid-template-columns:52px 1fr;gap:var(--s-3);padding:var(--s-4) var(--s-5);border-bottom:1px solid var(--c-border-light);animation:fadeInUp .3s var(--ease)}.spark-schedule-item:last-child{border-bottom:none}.spark-schedule-item .sched-date{text-align:center;padding-top:var(--s-1)}.spark-schedule-item .sched-day{font-size:1.3rem;font-weight:700;color:var(--c-primary);line-height:1}.spark-schedule-item .sched-month{font-size:.68rem;font-weight:600;color:var(--c-text-muted);text-transform:uppercase;letter-spacing:.04em;margin-top:2px}.spark-schedule-item .sched-info .sched-title{font-size:.92rem;font-weight:600;color:var(--c-text)}.spark-schedule-item .sched-info .sched-meta{font-size:.82rem;color:var(--c-text-muted);margin-top:2px}.spark-schedule-item.cancelled{opacity:.5}.spark-schedule-item.cancelled .sched-day{color:var(--c-text-subtle)}.login-page{min-height:100vh;display:grid;gap:var(--s-6);padding:var(--s-5);align-items:center;position:relative;overflow:hidden;background:var(--c-bg)}.login-page:before,.login-page:after{content:"";position:absolute;border-radius:50%;filter:blur(80px);opacity:.18;pointer-events:none;z-index:0}.login-page:before{width:400px;height:400px;top:-100px;right:-80px;background:radial-gradient(circle,var(--c-primary),var(--c-accent))}.login-page:after{width:300px;height:300px;bottom:-80px;left:-60px;background:radial-gradient(circle,#5856d6,#af52de)}.login-background{display:none}.login-page>*{position:relative;z-index:1}.login-hero{background:var(--grad-hero);border-radius:var(--r-2xl);box-shadow:var(--shadow-lg);color:#fff;padding:var(--s-8) var(--s-6);position:relative;overflow:hidden}.login-hero:before{content:"";position:absolute;top:-50%;right:-30%;width:300px;height:300px;border-radius:50%;background:#ffffff0f}.login-hero:after{content:"";position:absolute;bottom:-40%;left:-20%;width:200px;height:200px;border-radius:50%;background:#ffffff0a}.login-hero>*{position:relative;z-index:1}.login-hero .hero-eyebrow{font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;opacity:.8}.login-hero h1{font-size:clamp(1.5rem,3vw,2.1rem);font-weight:700;margin:var(--s-3) 0;letter-spacing:-.02em;line-height:1.15}.login-hero p{opacity:.85;font-size:.95rem;line-height:1.5;max-width:36rem}.login-logo{width:64px;height:auto;margin-bottom:var(--s-4);filter:drop-shadow(0 4px 12px rgba(0,0,0,.2))}.hero-pills{display:flex;flex-wrap:wrap;gap:var(--s-2);margin-top:var(--s-5)}.hero-pills span{border-radius:var(--r-full);background:#ffffff26;border:1px solid rgba(255,255,255,.25);padding:6px 14px;font-size:.8rem;font-weight:600}.login-card{background:var(--c-surface);border:1px solid var(--c-border-light);border-radius:var(--r-xl);box-shadow:var(--shadow-lg);display:grid;gap:var(--s-4);padding:var(--s-6) var(--s-5)}.login-card-header h2{font-size:1.4rem;font-weight:700;color:var(--c-text);letter-spacing:-.01em}.login-subtitle{font-size:.86rem;color:var(--c-text-muted)}.login-mode-toggle{display:grid;grid-template-columns:repeat(2,1fr);gap:3px;padding:3px;border-radius:var(--r-md);background:var(--c-surface-3)}.login-mode-toggle button{border:0;border-radius:var(--r-sm);cursor:pointer;padding:10px;background:transparent;color:var(--c-text-muted);font-weight:600;font-size:.88rem;transition:all var(--dur) var(--ease)}.login-mode-toggle button.active{background:var(--c-surface);color:var(--c-primary);box-shadow:var(--shadow-xs)}.login-fields{display:grid;gap:var(--s-3)}.input-password{position:relative}.input-password input{padding-right:44px}.password-toggle{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:none;cursor:pointer;color:var(--c-text-muted);padding:4px;display:flex;align-items:center;transition:color var(--dur)}.password-toggle:hover{color:var(--c-primary)}.error-banner{display:flex;align-items:flex-start;gap:var(--s-3);background:var(--c-danger-bg);border:1px solid rgba(255,59,48,.2);border-radius:var(--r-md);padding:var(--s-3) var(--s-4)}.error-icon{color:var(--c-danger);flex-shrink:0;margin-top:2px}.error-banner p{font-size:.86rem;color:var(--c-danger);font-weight:500}.login-divider{display:flex;align-items:center;gap:var(--s-3);color:var(--c-text-subtle);font-size:.82rem}.login-divider:before,.login-divider:after{content:"";flex:1;height:1px;background:var(--c-border-light)}.google-button{display:flex;align-items:center;justify-content:center;gap:var(--s-3);border:1.5px solid var(--c-border);border-radius:var(--r-full);background:var(--c-surface);color:var(--c-text-2);font-weight:600;font-size:.9rem;padding:12px;cursor:pointer;width:100%;transition:all var(--dur) var(--ease)}.google-button:hover:not(:disabled){background:var(--c-surface-2);box-shadow:var(--shadow-xs)}.google-button:disabled{opacity:.5;cursor:not-allowed}.fine-print{font-size:.78rem;color:var(--c-text-subtle);text-align:center;line-height:1.5}.forgot-password-link{background:none;border:none;color:var(--c-primary);font-size:.82rem;font-weight:600;cursor:pointer;padding:0;text-align:right;width:100%;transition:color var(--dur) var(--ease)}.forgot-password-link:hover:not(:disabled){color:var(--c-primary-hover);text-decoration:underline}.forgot-password-link:disabled{opacity:.5;cursor:not-allowed}.success-banner{display:flex;align-items:flex-start;gap:var(--s-3);background:var(--c-success-bg);border:1px solid rgba(52,199,89,.2);border-radius:var(--r-md);padding:var(--s-3) var(--s-4)}.portal-shell{min-height:100vh;padding-bottom:96px;background:var(--c-bg)}.topbar{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;gap:var(--s-3);align-items:center;padding:var(--s-3) var(--s-4);background:#ffffffd1;backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border-bottom:1px solid var(--c-border-light)}.topbar-brand{display:flex;gap:var(--s-3);align-items:center}.topbar-logo{width:32px;height:32px;flex-shrink:0;border-radius:var(--r-sm)}.topbar-title-group{display:grid;gap:1px}.topbar-eyebrow{font-size:.65rem;font-weight:700;color:var(--c-primary);letter-spacing:.08em;text-transform:uppercase}.topbar-title{font-size:.88rem;font-weight:600;color:var(--c-text);line-height:1.2}.content-area{max-width:720px;margin:0 auto;padding:var(--s-4)}.page-stack{display:grid;gap:var(--s-4)}.section-heading{display:grid;gap:var(--s-1)}.section-heading h2{font-size:1.5rem;font-weight:700;color:var(--c-text);letter-spacing:-.02em}.section-heading p{color:var(--c-text-muted);font-size:.88rem}.eyebrow{display:inline-block;color:var(--c-primary);font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:.72rem}.bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:20;display:grid;grid-template-columns:repeat(5,1fr);gap:1px;padding:var(--s-2) var(--s-2) calc(var(--s-2) + env(safe-area-inset-bottom));background:#ffffffeb;backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);border-top:1px solid var(--c-border-light)}.bottom-nav a{display:grid;justify-items:center;gap:3px;color:var(--c-text-subtle);text-decoration:none;font-size:.7rem;font-weight:600;padding:var(--s-2) var(--s-1);border-radius:var(--r-md);transition:color var(--dur) var(--ease),background var(--dur) var(--ease)}.bottom-nav a:hover,.bottom-nav a.active{color:var(--c-primary);background:var(--c-primary-bg)}.zalo-note{position:fixed;right:var(--s-4);bottom:88px;max-width:320px;padding:var(--s-3) var(--s-4);background:var(--c-surface);border:1px solid var(--c-border-light);border-radius:var(--r-md);box-shadow:var(--shadow-sm);color:var(--c-text-muted);font-size:.8rem;z-index:15}.student-card{display:flex;justify-content:space-between;gap:var(--s-4);align-items:center;padding:var(--s-6);border-radius:var(--r-xl);color:#fff;position:relative;overflow:hidden;border:none;background:var(--grad-hero);box-shadow:0 8px 32px #0071e340;animation:fadeInUp .4s var(--ease)}.student-card:before{content:"";position:absolute;top:-40%;right:-20%;width:200px;height:200px;border-radius:50%;background:#ffffff14}.student-card:after{content:"";position:absolute;bottom:-30%;left:-10%;width:150px;height:150px;border-radius:50%;background:#ffffff0d}.student-card>*{position:relative;z-index:1}.student-card .sc-code{display:block;opacity:.9;font-size:.78rem;font-weight:700;letter-spacing:.04em;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.student-card h3{margin:var(--s-1) 0;font-size:1.3rem;font-weight:700;letter-spacing:-.01em}.student-card .sc-sub{font-size:.85rem;opacity:.85}.student-card .sc-percent{font-size:2.4rem;font-weight:800;letter-spacing:-.03em;line-height:1}.student-card.cheerful{background:var(--grad-student);box-shadow:0 8px 32px #34c75940}.metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--s-3)}.metric-card{background:var(--c-surface);border:1px solid var(--c-border-light);border-radius:var(--r-md);padding:var(--s-4);display:grid;gap:var(--s-1);transition:box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease)}.metric-card:hover{box-shadow:var(--shadow-sm);transform:translateY(-2px)}.metric-card .mc-icon{width:36px;height:36px;border-radius:var(--r-sm);display:grid;place-items:center;margin-bottom:var(--s-1)}.metric-card p{color:var(--c-text-muted);font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em}.metric-card strong{display:block;font-size:1.5rem;font-weight:700;color:var(--c-text);line-height:1.2;letter-spacing:-.02em}.metric-card span{color:var(--c-text-subtle);font-size:.78rem}.mc-blue{background:var(--c-primary-bg);color:var(--c-primary)}.mc-teal{background:var(--c-accent-bg);color:var(--c-accent)}.mc-emerald{background:var(--c-success-bg);color:var(--c-success)}.mc-amber{background:var(--c-warning-bg);color:var(--c-warning)}.glass{background:var(--c-surface);border:1px solid var(--c-border-light);border-radius:var(--r-lg);box-shadow:var(--shadow-xs)}.empty-card{padding:var(--s-8) var(--s-5);text-align:center;color:var(--c-text-muted);background:var(--c-surface);border:1px solid var(--c-border-light);border-radius:var(--r-lg)}.empty-card h3{font-size:1.05rem;font-weight:700;color:var(--c-text);margin:0 0 var(--s-2)}.empty-card p{font-size:.88rem}.list-card{background:var(--c-surface);border:1px solid var(--c-border-light);border-radius:var(--r-lg);display:grid;gap:0;padding:0;overflow:hidden}.list-card .list-item{padding:var(--s-4) var(--s-5);border-bottom:1px solid var(--c-border-light);display:grid;gap:var(--s-1)}.list-card .list-item:last-child{border-bottom:none}.list-card .list-item strong{font-size:.95rem;font-weight:600;color:var(--c-text)}.list-card .list-item span{font-size:.83rem;color:var(--c-text-muted)}.voucher-card{padding:var(--s-5);background:linear-gradient(135deg,#fffbeb,#fef3c7 60%,#fde68a30);border:1px solid rgba(255,149,0,.2);border-radius:var(--r-lg);display:grid;gap:var(--s-2)}.voucher-card .vc-source{font-size:.72rem;font-weight:700;color:var(--c-warning);text-transform:uppercase;letter-spacing:.06em}.voucher-card h3{font-size:1rem;font-weight:700;color:var(--c-text)}.voucher-card .vc-code{display:inline-flex;align-items:center;gap:var(--s-2);border:1.5px dashed var(--c-warning);border-radius:var(--r-sm);padding:6px 12px;font-size:.9rem;font-weight:800;color:#b36b00;background:#fff;font-family:SF Mono,Fira Code,Courier New,monospace;letter-spacing:.08em;width:fit-content}.voucher-card .vc-status{font-size:.82rem;color:var(--c-text-muted)}.progress-card{padding:var(--s-5);text-align:center;background:var(--c-surface);border:1px solid var(--c-border-light);border-radius:var(--r-lg)}.progress-ring{display:grid;place-items:center;width:128px;height:128px;margin:0 auto var(--s-4);border-radius:50%;position:relative}.progress-ring svg{position:absolute;inset:0;transform:rotate(-90deg)}.progress-ring .ring-track{fill:none;stroke:var(--c-border-light);stroke-width:8}.progress-ring .ring-fill{fill:none;stroke:var(--c-primary);stroke-width:8;stroke-linecap:round;transition:stroke-dashoffset .8s var(--ease)}.progress-ring .ring-label{position:relative;font-size:1.5rem;font-weight:800;color:var(--c-primary);letter-spacing:-.02em}.progress-card blockquote{margin:var(--s-3) 0 0;color:var(--c-text-muted);font-size:.88rem;font-style:italic}.settings-card{display:grid;gap:var(--s-3);padding:var(--s-5);background:var(--c-surface);border:1px solid var(--c-border-light);border-radius:var(--r-lg)}.settings-card h3{font-size:1.05rem;font-weight:700;color:var(--c-text);margin:0}.settings-card label{display:grid;gap:var(--s-2)}.settings-card input,.settings-card select{width:100%;border:1.5px solid var(--c-border);border-radius:var(--r-md);padding:10px 14px;background:var(--c-surface);color:var(--c-text);font-size:.9rem;outline:none;transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}.settings-card input:focus,.settings-card select:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px #0071e31f}.login-card label{display:grid;gap:var(--s-2)}.login-card input{width:100%;border:1.5px solid var(--c-border);border-radius:var(--r-md);padding:10px 14px;background:var(--c-surface);color:var(--c-text);font-size:.9rem;outline:none;transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}.login-card input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px #0071e31f}.login-card input::placeholder{color:var(--c-text-subtle)}.label-text{font-size:.78rem;font-weight:600;color:var(--c-text-2);letter-spacing:.02em}.primary-button{border:0;border-radius:var(--r-full);cursor:pointer;font-weight:600;font-size:.95rem;padding:12px 24px;background:var(--c-primary);color:#fff;box-shadow:0 2px 8px #0071e34d;transition:all var(--dur) var(--ease);width:100%}.primary-button:hover:not(:disabled){background:var(--c-primary-hover);box-shadow:0 4px 14px #0071e359}.primary-button:active{transform:scale(.98)}.primary-button:disabled{opacity:.5;cursor:not-allowed}.secondary-button{border:1.5px solid rgba(0,113,227,.2);border-radius:var(--r-full);cursor:pointer;font-weight:600;padding:10px 22px;background:var(--c-primary-bg);color:var(--c-primary);transition:all var(--dur)}.secondary-button:hover{background:#d9ecfd}.ghost-button{display:inline-flex;gap:var(--s-2);align-items:center;border:1.5px solid var(--c-border);border-radius:var(--r-full);background:var(--c-surface);color:var(--c-text-2);font-weight:600;font-size:.82rem;padding:6px 14px;cursor:pointer;transition:all var(--dur)}.ghost-button:hover{background:var(--c-surface-3);border-color:var(--c-border-strong)}.badge{display:inline-flex;align-items:center;gap:var(--s-1);border-radius:var(--r-full);padding:3px 10px;font-size:.72rem;font-weight:600;letter-spacing:.02em}.badge-blue{background:var(--c-primary-bg);color:var(--c-primary)}.badge-emerald{background:var(--c-success-bg);color:var(--c-success)}.badge-amber{background:var(--c-warning-bg);color:var(--c-warning)}.badge-rose{background:var(--c-danger-bg);color:var(--c-danger)}.badge-gray{background:var(--c-surface-3);color:var(--c-text-muted)}.notif-item{display:grid;gap:var(--s-1);padding:var(--s-4) var(--s-5);border-bottom:1px solid var(--c-border-light);transition:background var(--dur)}.notif-item:last-child{border-bottom:none}.notif-item:hover{background:var(--c-surface-2)}.notif-item strong{font-size:.95rem;font-weight:600;color:var(--c-text)}.notif-item span{font-size:.83rem;color:var(--c-text-muted)}.notif-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--c-primary);margin-right:var(--s-2);flex-shrink:0}.screen-center{min-height:100vh;display:grid;place-items:center;padding:var(--s-8)}.error-text{color:var(--c-danger);font-size:.86rem;font-weight:600}.success-text{color:var(--c-success);font-size:.86rem;font-weight:600}.divider{height:1px;background:var(--c-border-light);margin:var(--s-1) 0}.status-dot{display:inline-block;width:7px;height:7px;border-radius:50%}.status-dot.green{background:var(--c-success)}.status-dot.yellow{background:var(--c-warning)}.status-dot.red{background:var(--c-danger)}@media(min-width:760px){.login-page{grid-template-columns:1.2fr .8fr;padding:var(--s-8);gap:var(--s-6);max-width:960px;margin:0 auto}.metric-grid,.spark-metric-grid{grid-template-columns:repeat(4,1fr)}.bottom-nav{left:50%;transform:translate(-50%);width:min(660px,calc(100% - var(--s-8)));bottom:var(--s-4);border:1px solid var(--c-border-light);border-radius:var(--r-xl);box-shadow:var(--shadow-md)}.zalo-note{display:none}.topbar{padding:var(--s-3) var(--s-6)}.content-area{padding:var(--s-5) var(--s-6)}.portal-shell{padding-bottom:var(--s-16)}}@media(min-width:1100px){.content-area{padding:var(--s-6) var(--s-8)}}:focus-visible{outline:2.5px solid var(--c-primary);outline-offset:3px;border-radius:4px}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}.zalo-banner{position:fixed;top:0;left:0;right:0;z-index:1000;background:linear-gradient(135deg,#0071e3,#005bb5);padding:12px 16px;box-shadow:0 2px 8px #0000001a;animation:slideDown .3s ease-out}@keyframes slideDown{0%{transform:translateY(-100%);opacity:0}to{transform:translateY(0);opacity:1}}.zalo-banner-content{max-width:1200px;margin:0 auto;display:flex;align-items:center;gap:12px}.zalo-icon{font-size:20px}.zalo-text{flex:1;color:#fff;font-size:14px;font-weight:500}.zalo-close{background:#fff3;border:none;color:#fff;width:24px;height:24px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:16px;transition:background .2s}.zalo-close:hover{background:#ffffff4d}.mobile-device{-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}.running-in-zalo .zalo-banner{top:env(safe-area-inset-top)}@media screen and (max-width:768px){.zalo-banner{padding:10px 12px}.zalo-text{font-size:13px}.zalo-icon{font-size:18px}}