.auth-screen{min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:20px;background:linear-gradient(135deg,#e0f2fe,#f0f9ff,#fef3c7)}.auth-card{background:var(--bg-white);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:36px 24px;width:100%;max-width:400px;animation:slideUp .3s ease}.auth-logo{text-align:center;margin-bottom:32px}.auth-logo-icon{font-size:3rem;display:block;margin-bottom:8px}.auth-logo-text{font-size:28px;font-weight:700;color:var(--text-dark);letter-spacing:-.5px}.auth-tagline{font-size:15px;color:var(--text-gray);margin-top:6px}.auth-form{display:flex;flex-direction:column;gap:18px}.auth-field label{display:block;font-size:12px;font-weight:600;color:var(--text-gray);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px}.auth-field input{width:100%;padding:14px 16px;border:1px solid var(--border);border-radius:var(--radius-md);font-size:16px;transition:border-color .15s;min-height:var(--input-height);background:var(--bg-subtle)}.auth-field input:focus{outline:none;border-color:var(--primary);background:var(--bg-white);box-shadow:0 0 0 3px #3b82f61a}.auth-error{background:#fef2f2;color:#dc2626;padding:12px 16px;border-radius:var(--radius-md);font-size:14px;font-weight:500}.auth-submit{width:100%;padding:16px;background:var(--primary);color:#fff;border:none;border-radius:var(--radius-md);font-size:16px;font-weight:600;min-height:52px;transition:background .15s,transform .1s}.auth-submit:active:not(:disabled){transform:scale(.98);background:var(--primary-dark)}.auth-submit:disabled{opacity:.6}.auth-switch{text-align:center;margin-top:24px;font-size:15px;color:var(--text-gray)}.auth-switch button{background:none;border:none;color:var(--primary);font-weight:600;font-size:15px;min-height:var(--touch-min)}.toast{position:fixed;bottom:calc(var(--bottom-nav-total, 56px) + 16px);left:50%;transform:translate(-50%);padding:12px 20px;border-radius:var(--radius-full);font-size:14px;font-weight:500;color:#fff;z-index:1000;animation:toastIn .3s ease;box-shadow:var(--shadow-lg);max-width:90%;text-align:center}.toast-success{background:var(--accent-green)}.toast-error{background:var(--accent-rose)}.toast-info{background:var(--primary)}@keyframes toastIn{0%{opacity:0;transform:translate(-50%) translateY(10px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.my-trips{max-width:600px;margin:0 auto;width:100%;min-height:100dvh;display:flex;flex-direction:column}.trips-header{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;padding:10px 16px;border-bottom:.5px solid var(--border);min-height:var(--header-height)}.trips-header h1{font-size:28px;font-weight:700;letter-spacing:-.5px}.avatar-btn{width:36px;height:36px;border-radius:50%;background:var(--primary-light);color:var(--primary-dark);border:none;font-weight:700;font-size:15px;display:flex;align-items:center;justify-content:center;min-height:var(--touch-min);min-width:var(--touch-min)}.avatar-btn:active{opacity:.7}.trips-body{flex:1;padding:12px 0}.trips-skeleton{padding:0 16px;display:flex;flex-direction:column;gap:16px}.trip-card-skeleton{background:var(--bg-white);border-radius:var(--radius-md);padding:20px 16px;box-shadow:var(--shadow-sm)}.welcome-hero{display:flex;align-items:center;justify-content:space-between;padding:28px 20px 20px;gap:16px}.welcome-hero.compact{padding:16px 20px 8px}.welcome-greeting{font-size:26px;font-weight:700;letter-spacing:-.5px;color:var(--text-dark);line-height:1.2}.welcome-sub{font-size:16px;color:var(--text-gray);margin-top:4px}.welcome-globe{flex-shrink:0;animation:globe-pulse 4s ease-in-out infinite}@keyframes globe-pulse{0%,to{opacity:.8;transform:scale(1)}50%{opacity:1;transform:scale(1.05)}}.join-code-section{padding:0 16px 12px}.join-code-row{display:flex;gap:8px;align-items:center}.join-code-input-wrap{flex:1;position:relative;display:flex;align-items:center}.join-code-icon{position:absolute;left:14px;color:var(--text-light);pointer-events:none}.join-code-input{width:100%;padding:12px 14px 12px 40px;border:1px solid var(--border);border-radius:var(--radius-md);font-size:16px;font-weight:600;letter-spacing:1.5px;background:var(--bg-white);min-height:var(--touch-min);text-transform:uppercase}.join-code-input::placeholder{font-weight:400;letter-spacing:0;text-transform:none;color:var(--text-light)}.join-code-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #3b82f61a}.join-code-btn{padding:12px 20px;background:var(--primary);color:#fff;border:none;border-radius:var(--radius-md);font-weight:600;font-size:15px;white-space:nowrap;min-height:var(--touch-min)}.join-code-btn:disabled{opacity:.5;pointer-events:none}.first-trip-cta{display:flex;align-items:center;gap:14px;width:calc(100% - 32px);margin:0 16px 20px;padding:18px 16px;background:linear-gradient(135deg,#3b82f6,#2563eb);border:none;border-radius:var(--radius-lg);color:#fff;text-align:left;box-shadow:0 4px 16px #3b82f659;cursor:pointer}.first-trip-cta:active{box-shadow:0 2px 8px #3b82f64d}.cta-icon{width:44px;height:44px;background:#fff3;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}.cta-text{flex:1;display:flex;flex-direction:column;gap:2px}.cta-title{font-size:17px;font-weight:600}.cta-desc{font-size:13px;opacity:.8}.cta-chevron{flex-shrink:0;opacity:.6}.features-section{padding:0 16px 24px}.features-title{font-size:14px;font-weight:600;color:var(--text-light);text-transform:uppercase;letter-spacing:.5px;margin-bottom:14px;padding:0 4px}.features-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.feature-card{background:var(--bg-white);border-radius:var(--radius-md);padding:16px 14px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:6px}.feature-icon{width:40px;height:40px;border-radius:var(--radius-sm);background:var(--bg-subtle);display:flex;align-items:center;justify-content:center;margin-bottom:4px}.feature-name{font-size:14px;font-weight:600;color:var(--text-dark);line-height:1.3}.feature-desc{font-size:12px;color:var(--text-light);line-height:1.4}.trips-list{display:flex;flex-direction:column}.trip-card{display:block;background:var(--bg-white);text-decoration:none;color:inherit;border-bottom:.5px solid var(--border)}.trip-card:first-child{border-top:.5px solid var(--border)}.trip-card:active{background:var(--bg-subtle)}.trip-card-cover{width:100%;height:140px;background-size:cover;background-position:center}.trip-card-body{padding:14px 16px}.trip-card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:4px}.trip-card-header h3{font-size:17px;font-weight:600;line-height:1.3}.trip-countdown{font-size:12px;font-weight:600;color:var(--primary);background:#3b82f61a;padding:2px 8px;border-radius:var(--radius-full);white-space:nowrap;flex-shrink:0;margin-left:8px}.trip-destination{font-size:14px;color:var(--text-gray);margin-bottom:6px}.trip-card-footer{display:flex;justify-content:space-between;align-items:center}.trip-dates{font-size:13px;color:var(--text-light)}.trip-role{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--accent-purple);background:#f3f0ff;padding:2px 8px;border-radius:var(--radius-full)}.fab{position:fixed;bottom:calc(24px + var(--bottom-safe-area));right:20px;width:56px;height:56px;border-radius:50%;background:var(--primary);color:#fff;border:none;box-shadow:0 4px 14px #3b82f666;display:flex;align-items:center;justify-content:center;z-index:30;transition:transform .25s ease,background .2s}.fab:active{transform:scale(.92)}.fab.open{background:var(--text-gray);transform:rotate(45deg)}.fab.open:active{transform:rotate(45deg) scale(.92)}.profile-header{display:flex;flex-direction:column;align-items:center;padding:8px 20px 20px;gap:4px}.profile-avatar{width:56px;height:56px;border-radius:50%;background:var(--primary-light);color:var(--primary-dark);font-weight:700;font-size:22px;display:flex;align-items:center;justify-content:center;margin-bottom:8px}.profile-name{font-size:18px;font-weight:600;color:var(--text-dark)}.profile-email{font-size:14px;color:var(--text-gray)}.profile-menu{border-top:.5px solid var(--border);padding-top:8px}.profile-menu-item{display:flex;align-items:center;gap:12px;width:100%;padding:14px 16px;background:none;border:none;border-radius:var(--radius-md);font-size:16px;font-weight:500;color:var(--text-dark);min-height:var(--touch-min);cursor:pointer}.profile-menu-item:active{background:var(--bg-subtle)}.profile-menu-item.danger{color:var(--accent-coral)}.create-trip-inline{margin:4px 16px 16px;background:var(--bg-white);border-radius:var(--radius-lg);padding:20px 16px;box-shadow:0 2px 12px #00000014;border:1px solid var(--border)}.create-trip-inline-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.create-trip-inline-header .sheet-title{margin-bottom:0}.inline-close-btn{width:32px;height:32px;border:none;background:var(--bg-subtle);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--text-gray);min-height:var(--touch-min);min-width:var(--touch-min);cursor:pointer}.inline-close-btn:active{background:var(--border)}.create-trip-form{display:flex;flex-direction:column;gap:12px}.create-trip-form input[type=text],.create-trip-form input[type=date]{width:100%;padding:14px 16px;border:1px solid var(--border);border-radius:var(--radius-md);font-size:16px;background:var(--bg-subtle);min-height:var(--input-height)}.create-trip-form input:focus{outline:none;border-color:var(--primary);background:var(--bg-white);box-shadow:0 0 0 3px #3b82f61a}.date-row{display:flex;gap:12px}.date-field{flex:1}.date-field label{display:block;font-size:12px;font-weight:600;color:var(--text-gray);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px}.submit-btn{padding:16px;background:var(--primary);color:#fff;border:none;border-radius:var(--radius-md);font-weight:600;font-size:16px;min-height:52px}.submit-btn:active:not(:disabled){transform:scale(.98)}.submit-btn:disabled{opacity:.6}@media(min-width:768px){.trips-list{padding:0 16px;gap:12px}.trip-card{border-radius:var(--radius-md);border:1px solid var(--border);box-shadow:var(--shadow-sm);overflow:hidden}.trip-card:first-child{border-top:1px solid var(--border)}.fab{right:calc(50% - 280px)}}.trip-card-skeleton{background:var(--bg-white);padding:16px;border-bottom:.5px solid var(--border)}.trip-card-skeleton:first-child{border-top:.5px solid var(--border)}.skeleton-row{display:flex;justify-content:space-between;align-items:center}.expense-skeleton{background:var(--bg-white);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm)}.expense-skeleton-row{display:flex;align-items:center;gap:12px;padding:14px 16px;border-bottom:.5px solid var(--border)}.expense-skeleton-row:last-child{border-bottom:none}.content-skeleton{padding:20px 0}.day-strip{padding:8px 0}.day-strip-scroll{overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;scrollbar-width:none}.day-strip-scroll::-webkit-scrollbar{display:none}.day-strip-track{display:flex;gap:8px;padding:4px calc(50% - 32px)}.day-chip{flex-shrink:0;width:60px;text-align:center;cursor:pointer;scroll-snap-align:center;transition:opacity .15s ease;padding:10px 0;display:flex;flex-direction:column;align-items:center;gap:4px;-webkit-tap-highlight-color:transparent;border:1.5px solid var(--border);border-radius:14px;background:var(--bg-white)}.day-chip.selected{border-color:var(--primary);background:#3b82f60f;box-shadow:0 1px 4px #3b82f626}.day-chip.today:not(.selected){border-color:var(--primary);border-style:dashed}.day-chip-weekday{font-size:.6rem;font-weight:700;text-transform:uppercase;color:var(--text-light);letter-spacing:.04em}.day-chip.selected .day-chip-weekday{color:var(--primary);font-weight:800}.day-chip-num{font-size:1.2rem;font-weight:700;color:var(--text-dark);width:34px;height:34px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background .2s,color .2s}.day-chip.selected .day-chip-num{background:var(--primary);color:#fff}.day-chip-dot{width:5px;height:5px;border-radius:50%;background:var(--primary)}.day-chip.selected .day-chip-dot{background:var(--primary-dark)}@media(min-width:768px){.day-strip{display:none}}.act-card-wrapper{position:relative;overflow:hidden;border-bottom:.5px solid var(--border)}.act-card-wrapper:last-child{border-bottom:none}.act-card-wrapper.deleting .act-card-foreground{background:#fef2f2;animation:delete-flash .4s ease-out}@keyframes delete-flash{0%{background:var(--bg-white)}30%{background:#fee2e2}to{background:#fef2f2}}.act-card-foreground{position:relative;background:var(--bg-white);-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}.act-card-row{display:flex;align-items:center;gap:12px;padding:12px 14px;min-height:var(--touch-min);cursor:pointer}.act-card-row:active{background:var(--bg-subtle)}.act-card-icon{flex-shrink:0;width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.1rem}.act-card-body{flex:1;min-width:0}.act-card-title{font-weight:600;font-size:15px;color:var(--text-dark)}.act-card-meta{display:flex;align-items:center;gap:8px;margin-top:2px;flex-wrap:wrap}.act-card-time{font-size:13px;color:var(--text-gray)}.act-card-duration{font-size:11px;background:var(--bg-subtle);color:var(--text-gray);padding:1px 7px;border-radius:10px;font-weight:500}.act-card-chevron{color:var(--text-light);transition:transform .2s ease;flex-shrink:0}.act-card-chevron.open{transform:rotate(180deg)}.act-card-details{padding:0 14px 12px 62px;display:flex;flex-direction:column;gap:6px;animation:details-in .15s ease-out}.act-detail-row{display:flex;align-items:flex-start;gap:8px;font-size:13px;color:var(--text-gray);line-height:1.4}.act-detail-icon{flex-shrink:0;font-size:13px}.act-detail-cost{color:var(--accent-green);font-weight:600}@keyframes details-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.itinerary{display:flex;flex-direction:column;gap:10px;padding:10px 12px;flex:1;min-height:0}.itin-card{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:visible;box-shadow:0 1px 3px #0000000a}.itin-card-fill{flex:1;display:flex;flex-direction:column;overflow:hidden}.itin-skeleton-strip{display:flex;gap:8px;padding:12px 16px;overflow:hidden}.itin-skeleton-card{display:flex;align-items:center;gap:12px;padding:14px 16px;border-bottom:.5px solid var(--border)}.itin-empty{text-align:center;color:var(--text-gray);padding:40px 16px}.itin-empty span{font-size:2.5rem;display:block;margin-bottom:8px}.itin-mobile{display:flex;flex-direction:column;gap:10px;flex:1;min-height:0}.itin-day-header-mobile{display:flex;align-items:center;gap:10px;padding:12px 14px 6px;border-bottom:.5px solid var(--border);flex-shrink:0}.day-label{font-weight:700;font-size:15px;color:var(--primary)}.day-date-label{font-size:13px;color:var(--text-gray)}.today-badge{font-size:11px;background:var(--primary);color:#fff;padding:2px 8px;border-radius:var(--radius-full);font-weight:600}.itin-swipe-area{flex:1;display:flex;flex-direction:column;min-height:0}.itin-activity-list{background:var(--bg-white);flex-shrink:0}.itin-add-zone{flex:1;min-height:80px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;background:none;border:none;border-top:.5px dashed var(--border);cursor:pointer;-webkit-tap-highlight-color:transparent;color:var(--text-light);font-size:13px;padding:16px;width:100%;transition:background 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var(--border);font-size:15px;color:var(--primary);font-weight:500;min-height:var(--touch-min)}.add-activity-btn:active{background:var(--bg-subtle)}.itin-desktop{display:none}@media(min-width:768px){.itin-mobile{display:none}.itin-desktop{display:block}.itin-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}.itin-col{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:0 1px 3px #0000000a;overflow:hidden;display:flex;flex-direction:column}.itin-col.past{opacity:.65}.itin-col.today-col{border-color:var(--primary);box-shadow:0 0 0 1px var(--primary),0 1px 3px #3b82f61a}.itin-col-header{display:flex;align-items:center;gap:8px;padding:12px 16px;background:var(--bg-subtle);border-bottom:.5px solid var(--border)}.col-day-num{font-weight:700;font-size:14px;color:var(--primary)}.col-day-date{font-size:13px;color:var(--text-gray)}.itin-col-body{flex:1;display:flex;flex-direction:column}.itin-col-body .itin-no-activities{padding:20px 16px}.itin-col-body .add-activity-btn{margin-top:auto}}.undo-snackbar{position:fixed;bottom:calc(var(--bottom-nav-total, 56px) + 16px);left:50%;transform:translate(-50%);background:#1f2937;color:#fff;padding:10px 16px;border-radius:var(--radius-md);display:flex;align-items:center;gap:14px;font-size:14px;box-shadow:0 4px 20px #00000040;z-index:900;animation:snackbar-in .25s ease-out}.undo-snackbar span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:220px}.undo-snackbar button{background:none;border:none;color:var(--primary);font-weight:700;font-size:14px;padding:4px 8px;border-radius:4px;white-space:nowrap}.undo-snackbar button:active{background:#3b82f626}@keyframes snackbar-in{0%{opacity:0;transform:translate(-50%) translateY(16px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.itin-add-form{display:flex;flex-direction:column;gap:10px}.itin-add-form input,.itin-add-form select,.itin-add-form textarea{padding:14px 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0;min-height:var(--touch-min);cursor:pointer}.toggle-label{font-size:15px;color:var(--text-dark)}.submit-poll-btn{background:var(--accent-green);color:#fff;border:none;border-radius:var(--radius-md);padding:16px;font-weight:600;font-size:16px;min-height:52px}.polls-list{display:flex;flex-direction:column;gap:8px}.poll-card{background:var(--bg-white);border-radius:var(--radius-md);padding:16px 16px 16px 20px;border-left:6px solid var(--poll-accent, var(--primary));margin:0 8px}.poll-accent-0{--poll-accent: #3b82f6}.poll-accent-1{--poll-accent: #f97316}.poll-accent-2{--poll-accent: #10b981}.poll-accent-3{--poll-accent: #8b5cf6}.poll-accent-4{--poll-accent: #f43f5e}.poll-accent-5{--poll-accent: 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