:root{--bg: #0a0a0a;--bg-card: #141414;--bg-card-hover: #1c1c1c;--bg-input: #1a1a1a;--border: #2a2a2a;--border-focus: #cc0000;--red: #cc0000;--red-hover: #e60000;--red-muted: rgba(204, 0, 0, .15);--red-dim: #7a0000;--white: #ffffff;--white-secondary: #c0c0c0;--white-muted: #707070;--success: #22c55e;--warning: #f59e0b;--danger: #ef4444;--radius: 6px;--radius-lg: 10px;--transition: .15s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased}body{background:var(--bg);color:var(--white);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5;min-height:100vh}a{color:var(--red);text-decoration:none}a:hover{color:var(--red-hover)}button,input,textarea,select{font:inherit}.page{max-width:1100px;margin:0 auto;padding:0 20px}.navbar{background:#000;border-bottom:2px solid var(--red);position:sticky;top:0;z-index:100}.navbar__inner{max-width:1100px;margin:0 auto;padding:0 20px;height:64px;display:flex;align-items:center;gap:24px}.navbar__logo img{height:40px;display:block}.navbar__links{display:flex;gap:4px;margin-left:auto;align-items:center}.navbar__link{color:var(--white-secondary);padding:6px 14px;border-radius:var(--radius);font-size:14px;font-weight:500;transition:color var(--transition),background var(--transition)}.navbar__link:hover{color:var(--white);background:#1a1a1a}.navbar__link--active{color:var(--white)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:var(--radius);font-size:14px;font-weight:600;cursor:pointer;border:none;transition:background var(--transition),opacity var(--transition),transform var(--transition);white-space:nowrap}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}.btn--primary{background:var(--red);color:var(--white)}.btn--primary:hover:not(:disabled){background:var(--red-hover)}.btn--ghost{background:transparent;color:var(--white-secondary);border:1px solid var(--border)}.btn--ghost:hover:not(:disabled){background:var(--bg-card-hover);color:var(--white)}.btn--danger{background:var(--danger);color:var(--white)}.btn--danger:hover:not(:disabled){background:#dc2626}.btn--waitlist{background:#d97706;color:#fff;border:1px solid #b45309}.btn--waitlist:hover:not(:disabled){background:#b45309}.book-balloon{position:absolute;bottom:calc(100% + 8px);right:0;background:var(--red);color:#fff;font-size:13px;font-weight:700;padding:7px 14px;border-radius:8px;white-space:nowrap;box-shadow:0 4px 16px #0006;z-index:10;animation:balloon-pop .2s ease-out;pointer-events:none}.book-balloon:after{content:"";position:absolute;top:100%;right:16px;border:6px solid transparent;border-top-color:var(--red)}@keyframes balloon-pop{0%{opacity:0;transform:scale(.85) translateY(4px)}to{opacity:1;transform:scale(1) translateY(0)}}.btn--sm{padding:6px 14px;font-size:13px}.btn--full{width:100%}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}.session-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;display:flex;flex-direction:column;gap:12px;transition:border-color var(--transition),background var(--transition)}.session-card:hover{border-color:#3a3a3a;background:var(--bg-card-hover)}.session-card--full{opacity:.6}.session-card__header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.session-card__title{font-size:16px;font-weight:700;color:var(--white);line-height:1.3}.session-card__meta{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--white-secondary)}.session-card__meta-item{display:flex;align-items:center;gap:5px}.session-card__footer{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:4px}.session-card__capacity{font-size:13px;color:var(--white-secondary)}.session-card__capacity--low{color:var(--warning)}.session-card__capacity--full{color:var(--danger)}.capacity-bar{height:4px;background:var(--border);border-radius:99px;overflow:hidden}.capacity-bar__fill{height:100%;border-radius:99px;background:var(--red);transition:width .3s ease}.capacity-bar__fill--warning{background:var(--warning)}.capacity-bar__fill--full{background:var(--danger)}.badge{display:inline-flex;align-items:center;padding:3px 9px;border-radius:99px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.badge--booked{background:var(--red-muted);color:var(--red);border:1px solid var(--red-dim)}.badge--full{background:#ef44441a;color:var(--danger);border:1px solid rgba(239,68,68,.3)}.badge--available{background:#22c55e1a;color:var(--success);border:1px solid rgba(34,197,94,.3)}.badge--admin{background:#c003;color:var(--red);border:1px solid var(--red-dim)}.badge--waitlist{background:#f59e0b26;color:#f59e0b;border:1px solid rgba(245,158,11,.3)}.form{display:flex;flex-direction:column;gap:20px}.form-group{display:flex;flex-direction:column;gap:6px}.form-label{font-size:13px;font-weight:600;color:var(--white-secondary);text-transform:uppercase;letter-spacing:.5px}.form-input{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius);color:var(--white);padding:10px 14px;font-size:14px;transition:border-color var(--transition);width:100%}.form-input:focus{outline:none;border-color:var(--red)}.form-input::placeholder{color:var(--white-muted)}.form-input:disabled{opacity:.5}.form-error{font-size:13px;color:var(--danger)}.form-hint{font-size:12px;color:var(--white-muted)}.auth-page{min-height:100vh;background:var(--bg);display:flex;align-items:center;justify-content:center;padding:24px 20px}.auth-card{background:var(--bg-card);border:1px solid var(--border);border-top:3px solid var(--red);border-radius:var(--radius-lg);padding:40px;width:100%;max-width:420px}.auth-logo{text-align:center;margin-bottom:32px}.auth-logo img{height:52px}.auth-title{font-size:20px;font-weight:700;color:var(--white);margin-bottom:8px}.auth-sub{font-size:14px;color:var(--white-secondary);margin-bottom:28px}.auth-footer{margin-top:20px;text-align:center;font-size:13px;color:var(--white-muted)}.page-header{padding:32px 0 24px;border-bottom:1px solid var(--border);margin-bottom:28px}.page-header__title{font-size:26px;font-weight:800;color:var(--white)}.page-header__sub{font-size:14px;color:var(--white-secondary);margin-top:4px}.session-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px}.empty-state{text-align:center;padding:64px 20px;color:var(--white-muted)}.empty-state__title{font-size:16px;font-weight:600;margin-bottom:6px;color:var(--white-secondary)}.empty-state__text{font-size:14px}.alert{padding:12px 16px;border-radius:var(--radius);font-size:14px;border:1px 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tr:last-child td{border-bottom:none}.data-table tr:hover td{background:var(--bg-card-hover)}.data-table td:first-child{color:var(--white);font-weight:500}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000bf;display:flex;align-items:flex-start;justify-content:center;z-index:200;padding:24px 20px;overflow-y:auto}.modal{background:var(--bg-card);border:1px solid var(--border);border-top:3px solid var(--red);border-radius:var(--radius-lg);padding:32px;width:100%;max-width:480px;margin:auto}.modal__title{font-size:18px;font-weight:700;margin-bottom:24px}.modal__footer{display:flex;gap:12px;justify-content:flex-end;margin-top:28px}.divider{height:1px;background:var(--border);margin:8px 0}.tabs{display:flex;gap:4px;margin-bottom:24px;border-bottom:1px solid var(--border)}.tab-btn{background:none;border:none;cursor:pointer;color:var(--white-muted);font-size:14px;font-weight:600;padding:10px 16px;position:relative;transition:color var(--transition)}.tab-btn:hover{color:var(--white-secondary)}.tab-btn--active{color:var(--white)}.tab-btn--active:after{content:"";position:absolute;bottom:-1px;left:0;right:0;height:2px;background:var(--red)}.site-footer{background:#000;border-top:1px solid var(--border);padding:20px 0;margin-top:auto}.site-footer__inner{max-width:1100px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.site-footer__copy,.site-footer__credit{font-size:12px;color:var(--white-muted)}.site-footer__link{color:var(--red);font-weight:700;text-decoration:none;letter-spacing:.3px}.site-footer__link:hover{color:var(--red-hover)}@media (max-width: 640px){.site-footer__inner{justify-content:center;text-align:center}}.session-card--selectable:hover{border-color:var(--red)}.session-card--selected{border-color:var(--red)!important;background:#cc00000f!important}.session-card--select-disabled{opacity:.45;cursor:default!important}.session-card__checkbox{position:absolute;top:14px;right:14px}.session-card{position:relative}.select-circle{width:22px;height:22px;border-radius:50%;border:2px solid var(--border);background:var(--bg-input);display:flex;align-items:center;justify-content:center;transition:border-color .15s,background .15s}.select-circle--checked{border-color:var(--red);background:var(--red)}.select-circle--disabled{opacity:.35}.select-action-bar{position:fixed;bottom:0;left:0;right:0;z-index:150;background:#111;border-top:2px solid var(--red);padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;box-shadow:0 -4px 24px #00000080}@media (max-width: 640px){.select-action-bar{flex-direction:column;align-items:stretch;gap:10px;padding:14px 16px 20px}.select-action-bar .btn{width:100%}}.lang-btn{background:none;border:none;cursor:pointer;font-size:20px;line-height:1;padding:4px 3px;border-radius:4px;transition:opacity .15s}.navbar__links--desktop{display:flex}.navbar__mobile-right{display:none}.hamburger{display:flex;flex-direction:column;justify-content:center;gap:5px;width:36px;height:36px;background:none;border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;padding:6px 7px}.hamburger__bar{display:block;width:100%;height:2px;background:var(--white-secondary);border-radius:2px;transition:transform .2s,opacity .2s}.hamburger__bar.open:nth-child(1){transform:translateY(7px) rotate(45deg)}.hamburger__bar.open:nth-child(2){opacity:0}.hamburger__bar.open:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.mobile-menu{background:#000;border-top:1px solid var(--border);padding:8px 0 16px;display:flex;flex-direction:column}.mobile-menu__item{display:block;padding:14px 24px;font-size:16px;font-weight:500;color:var(--white-secondary);background:none;border:none;text-align:left;cursor:pointer;text-decoration:none;transition:background .15s,color .15s;width:100%}.mobile-menu__item:hover{background:var(--bg-card);color:var(--white)}.mobile-menu__item--primary{color:var(--red);font-weight:700}.mobile-menu__item--danger{color:var(--danger)}.mobile-menu__divider{height:1px;background:var(--border);margin:8px 0}.mobile-menu__user{padding:10px 24px 2px;font-size:13px;font-weight:600;color:var(--white-muted);text-transform:uppercase;letter-spacing:.5px}@media (max-width: 640px){.navbar__links--desktop{display:none}.navbar__mobile-right{display:flex;align-items:center;gap:8px;margin-left:auto}.page{padding:0 14px}.auth-card{padding:28px 18px}.page-header{padding:24px 0 18px}.page-header__title{font-size:22px}.session-grid{grid-template-columns:1fr}.modal{padding:24px 18px}.auth-card{max-width:100%}}