@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@400;500;600;700;800&display=swap";:root{--primary: #6366f1;--primary-hover: #4f46e5;--primary-light: rgba(99, 102, 241, .15);--accent: #ec4899;--accent-hover: #db2777;--accent-light: rgba(236, 72, 153, .15);--success: #10b981;--success-hover: #059669;--success-light: rgba(16, 185, 129, .1);--warning: #f59e0b;--warning-hover: #d97706;--warning-light: rgba(245, 158, 11, .1);--danger: #ef4444;--danger-hover: #dc2626;--danger-light: rgba(239, 68, 68, .1);--bg-main: #090d16;--bg-surface: #131a26;--bg-card: rgba(26, 36, 54, .6);--bg-card-hover: rgba(32, 44, 66, .85);--border: rgba(255, 255, 255, .08);--border-focus: rgba(99, 102, 241, .5);--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--font-sans: "Inter", system-ui, -apple-system, sans-serif;--font-display: "Outfit", var(--font-sans);--radius-sm: 6px;--radius-md: 12px;--radius-lg: 20px;--radius-full: 9999px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .15);--shadow-md: 0 8px 24px rgba(0, 0, 0, .3);--shadow-lg: 0 16px 48px rgba(0, 0, 0, .5);--shadow-glow: 0 0 20px rgba(99, 102, 241, .25);--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-normal: .25s cubic-bezier(.4, 0, .2, 1);--transition-slow: .4s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}html,body{background-color:var(--bg-main);color:var(--text-primary);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;overflow-x:hidden}body{display:flex;flex-direction:column}#root{min-height:100vh;display:flex;flex-direction:column;width:100%}h1,h2,h3,h4,h5,h6{font-family:var(--font-display);font-weight:700;letter-spacing:-.02em;line-height:1.2;color:var(--text-primary)}p{color:var(--text-secondary);line-height:1.6}a{color:var(--primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--primary-hover)}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 1.5rem}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-main)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.card{background:var(--bg-card);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.75rem;box-shadow:var(--shadow-md);transition:transform var(--transition-normal),border-color var(--transition-normal),box-shadow var(--transition-normal),background-color var(--transition-normal)}.card:hover{background:var(--bg-card-hover);border-color:#ffffff1f;box-shadow:var(--shadow-lg)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-family:var(--font-sans);font-weight:600;font-size:.925rem;padding:.75rem 1.5rem;border-radius:var(--radius-md);border:1px solid transparent;cursor:pointer;transition:all var(--transition-fast);-webkit-user-select:none;user-select:none;text-align:center}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 12px #6366f133}.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 6px 16px #6366f14d,var(--shadow-glow)}.btn-primary:active{transform:translateY(1px)}.btn-secondary{background:#ffffff0d;color:var(--text-primary);border-color:var(--border)}.btn-secondary:hover{background:#ffffff1a;transform:translateY(-1px);border-color:#fff3}.btn-accent{background:var(--accent);color:#fff;box-shadow:0 4px 12px #ec489933}.btn-accent:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 6px 16px #ec48994d}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:var(--danger-hover);transform:translateY(-1px)}.btn-success{background:var(--success);color:#fff}.btn-success:hover{background:var(--success-hover);transform:translateY(-1px)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important;box-shadow:none!important}.form-group{margin-bottom:1.25rem;display:flex;flex-direction:column;gap:.375rem}.form-label{font-size:.85rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}.input-field{background:#0f172a99;border:1px solid var(--border);border-radius:var(--radius-md);padding:.75rem 1rem;color:var(--text-primary);font-family:var(--font-sans);font-size:.95rem;transition:all var(--transition-fast);width:100%}.input-field:focus{outline:none;border-color:var(--primary);background:#0f172ae6;box-shadow:0 0 0 3px var(--primary-light)}.input-field::placeholder{color:var(--text-muted)}.input-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.badge{display:inline-flex;align-items:center;gap:.375rem;padding:.25rem .75rem;border-radius:var(--radius-full);font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.02em}.badge-synced{background:var(--success-light);color:var(--success)}.badge-pending{background:var(--warning-light);color:var(--warning)}.badge-offline{background:var(--danger-light);color:var(--danger)}.badge-dot{width:6px;height:6px;border-radius:50%;background-color:currentColor}.app-header{background:#090d16cc;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;padding:1rem 0}.header-content{display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:.5rem;font-family:var(--font-display);font-weight:800;font-size:1.5rem;color:var(--text-primary);background:linear-gradient(135deg,#ffffff 0%,var(--text-secondary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;cursor:pointer}.brand span{background:linear-gradient(135deg,var(--primary) 0%,var(--accent) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.header-actions{display:flex;align-items:center;gap:1rem}.user-profile-btn{display:flex;align-items:center;gap:.75rem;background:#ffffff08;border:1px solid var(--border);border-radius:var(--radius-full);padding:.375rem 1rem .375rem .375rem;cursor:pointer;transition:all var(--transition-fast)}.user-profile-btn:hover{background:#ffffff14;border-color:#fff3}.user-avatar{width:32px;height:32px;border-radius:50%;object-fit:cover;border:1px solid var(--primary)}.user-name{font-size:.875rem;font-weight:600;color:var(--text-primary)}.sync-banner{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-hover) 100%);color:#fff;padding:.625rem 1rem;font-size:.875rem;font-weight:500;display:flex;align-items:center;justify-content:space-between;gap:1rem;animation:slideDown var(--transition-normal)}.sync-banner-offline{background:linear-gradient(135deg,#334155,#1e293b);border-bottom:1px solid var(--border)}@keyframes slideDown{0%{transform:translateY(-100%)}to{transform:translateY(0)}}.dashboard-grid{display:grid;grid-template-columns:1fr;gap:2rem;margin-top:2rem;margin-bottom:4rem}@media (min-width: 768px){.dashboard-grid{grid-template-columns:320px 1fr}}.sidebar{display:flex;flex-direction:column;gap:1.5rem}.group-list{display:flex;flex-direction:column;gap:.75rem;margin-top:1rem}.group-card{display:flex;flex-direction:column;gap:.75rem;background:#ffffff05;border:1px solid var(--border);border-radius:var(--radius-md);padding:1.25rem;cursor:pointer;transition:all var(--transition-fast)}.group-card:hover{background:#ffffff0f;border-color:#ffffff26;transform:translate(4px)}.group-card.active{background:var(--primary-light);border-color:var(--primary);box-shadow:0 4px 12px #6366f11a}.group-card-header{display:flex;justify-content:space-between;align-items:flex-start}.group-name{font-size:1.1rem;font-weight:700}.group-card-desc{font-size:.875rem;color:var(--text-secondary)}.group-card-footer{display:flex;justify-content:space-between;align-items:center;margin-top:.25rem;font-size:.75rem;color:var(--text-muted)}.group-members-avatars{display:flex;align-items:center}.group-members-avatar-item{width:20px;height:20px;border-radius:50%;border:1.5px solid var(--bg-surface);margin-left:-6px;background:var(--text-muted);color:#fff;font-size:8px;display:flex;align-items:center;justify-content:center;font-weight:700}.group-members-avatar-item:first-child{margin-left:0}.main-view{display:flex;flex-direction:column;gap:2rem}.view-header{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}.view-title-block{display:flex;flex-direction:column;gap:.25rem}.view-subtitle{font-size:.875rem;color:var(--text-secondary)}.tabs-bar{display:flex;gap:.5rem;background:#ffffff08;border:1px solid var(--border);border-radius:var(--radius-md);padding:.25rem;width:fit-content}.tab-btn{background:transparent;border:none;color:var(--text-secondary);font-weight:600;font-size:.85rem;padding:.5rem 1rem;border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast)}.tab-btn:hover{color:var(--text-primary)}.tab-btn.active{background:#ffffff14;color:var(--text-primary)}.expenses-list{display:flex;flex-direction:column;gap:.75rem}.expense-item{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.25rem;background:#ffffff05;border:1px solid var(--border);border-radius:var(--radius-md);transition:all var(--transition-fast)}.expense-item:hover{background:#ffffff0a;border-color:#ffffff1f}.expense-item-left{display:flex;align-items:center;gap:1rem}.expense-icon{width:40px;height:40px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.2rem;background:var(--primary-light);color:var(--primary)}.expense-icon-settlement{background:var(--success-light);color:var(--success)}.expense-details{display:flex;flex-direction:column;gap:.25rem}.expense-desc{font-weight:600;font-size:.975rem}.expense-meta{font-size:.775rem;color:var(--text-secondary);display:flex;align-items:center;gap:.5rem}.expense-item-right{display:flex;flex-direction:column;align-items:flex-end;gap:.25rem}.expense-amount{font-family:var(--font-display);font-weight:700;font-size:1.1rem}.expense-payer-label{font-size:.75rem;color:var(--text-muted)}.balances-list{display:grid;grid-template-columns:1fr;gap:1rem}@media (min-width: 768px){.balances-list{grid-template-columns:1fr 1fr}}.balance-member-card{background:#ffffff05;border:1px solid var(--border);border-radius:var(--radius-md);padding:1rem 1.25rem;display:flex;align-items:center;justify-content:space-between}.balance-member-left{display:flex;align-items:center;gap:.75rem}.balance-member-amount{font-family:var(--font-display);font-weight:700;font-size:1.1rem}.balance-member-amount.positive{color:var(--success)}.balance-member-amount.negative{color:var(--danger)}.debts-list{display:flex;flex-direction:column;gap:.75rem}.debt-row{background:#ffffff05;border:1px solid var(--border);border-radius:var(--radius-md);padding:1rem 1.25rem;display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}.debt-users{display:flex;align-items:center;gap:.75rem}.debt-arrow{color:var(--primary);display:flex;align-items:center}.debt-action-block{display:flex;align-items:center;gap:.75rem}.auth-screen{display:flex;align-items:center;justify-content:center;flex-grow:1;padding:2rem 1.5rem}.auth-card{max-width:420px;width:100%;text-align:center;display:flex;flex-direction:column;gap:1.5rem}.auth-logo-container{display:flex;flex-direction:column;align-items:center;gap:.5rem;margin-bottom:.5rem}.auth-logo-icon{width:64px;height:64px;border-radius:var(--radius-lg);background:linear-gradient(135deg,var(--primary) 0%,var(--accent) 100%);display:flex;align-items:center;justify-content:center;font-size:2rem;box-shadow:var(--shadow-glow)}.demo-accounts-grid{display:grid;grid-template-columns:1fr 1fr;gap:.75rem;margin-top:.5rem}.splits-calculator{border:1px solid var(--border);border-radius:var(--radius-md);background:#0003;padding:1rem;margin-top:.5rem}.splits-cal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.75rem}.splits-mode-btn{font-size:.8rem;padding:.375rem .75rem}.split-rows{display:flex;flex-direction:column;gap:.625rem}.split-row-item{display:flex;align-items:center;justify-content:space-between;gap:1rem}.split-user-name{font-size:.9rem;font-weight:500}.split-input-wrapper{display:flex;align-items:center;gap:.5rem;width:120px}.split-input-prefix{font-size:.875rem;color:var(--text-muted)}.split-input-pct{font-size:.8rem;color:var(--text-secondary);width:45px;text-align:right}.split-row-error{font-size:.8rem;color:var(--danger);margin-top:.5rem}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#090d16bf;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:200;display:flex;align-items:center;justify-content:center;padding:1.5rem}.modal-content{max-width:500px;width:100%;max-height:90vh;overflow-y:auto}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.modal-close-btn{background:transparent;border:none;color:var(--text-secondary);font-size:1.5rem;cursor:pointer;transition:color var(--transition-fast)}.modal-close-btn:hover{color:var(--text-primary)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:1rem;padding:3rem 2rem;background:#ffffff03;border:1px dashed var(--border);border-radius:var(--radius-lg)}.empty-state-icon{font-size:3rem;color:var(--text-muted)}.skeleton{background:linear-gradient(90deg,#ffffff08 25%,#ffffff14,#ffffff08 75%);background-size:200% 100%;animation:loading 1.5s infinite;border-radius:var(--radius-sm)}@keyframes loading{0%{background-position:200% 0}to{background-position:-200% 0}}