:root{--bg-primary:#0a0a0f;--bg-secondary:#12121a;--bg-card:#1a1a2e;--bg-input:#16162a;--text-primary:#fff;--text-secondary:#88a;--accent:#6366f1;--accent-hover:#818cf8;--success:#22c55e;--danger:#ef4444;--border:#2a2a3e;--nav-height:72px}*{box-sizing:border-box;margin:0;padding:0}body,html{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.login-card{background:var(--bg-card);border-radius:16px;padding:40px;width:100%;max-width:400px;border:1px solid var(--border)}.login-logo{text-align:center;margin-bottom:32px;color:var(--accent)}.login-logo h1{font-size:28px;margin-top:8px;color:var(--text-primary)}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:14px;color:var(--text-secondary);margin-bottom:6px}.form-group input{width:100%;padding:12px 16px;background:var(--bg-input);border:1px solid var(--border);border-radius:10px;color:var(--text-primary);font-size:16px;outline:none;transition:border-color .2s}.form-group input:focus{border-color:var(--accent)}.btn-primary{width:100%;padding:14px;background:var(--accent);color:#fff;border:none;border-radius:10px;font-size:16px;font-weight:600;cursor:pointer;transition:background .2s;margin-top:8px}.btn-primary:hover{background:var(--accent-hover)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.error-message{background:rgba(239,68,68,.1);border:1px solid var(--danger);color:var(--danger);padding:10px 14px;border-radius:8px;font-size:14px;margin-bottom:16px}.app-layout{min-height:100vh;padding-bottom:var(--nav-height)}.page-content{padding:20px;max-width:600px;margin:0 auto}.top-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.top-bar-user{font-size:13px}.btn-logout,.top-bar-user{color:var(--text-secondary)}.btn-logout{display:flex;align-items:center;justify-content:center;padding:6px;border-radius:8px;border:1px solid var(--border);background:transparent;cursor:pointer;transition:all .2s}.btn-logout:hover{color:var(--danger);border-color:var(--danger)}.bottom-nav{position:fixed;bottom:0;left:0;right:0;height:var(--nav-height);background:var(--bg-secondary);border-top:1px solid var(--border);justify-content:space-around;padding-bottom:env(safe-area-inset-bottom);z-index:100}.bottom-nav,.nav-item{display:flex;align-items:center}.nav-item{flex-direction:column;gap:4px;text-decoration:none;color:var(--text-secondary);font-size:11px;font-weight:500;padding:8px 12px;border-radius:12px;transition:color .2s}.nav-item.active{color:var(--accent)}.nav-item svg{width:24px;height:24px}.balance-section{margin-bottom:24px}.balance-card{background:var(--bg-card);border-radius:16px;padding:20px;border:1px solid var(--border);margin-bottom:12px}.balance-label{font-size:14px;color:var(--text-secondary);margin-bottom:4px}.balance-amount{font-size:32px;font-weight:700}.balance-amount.positive{color:var(--success)}.balance-amount.negative{color:var(--danger)}.balance-row{display:flex;gap:12px}.balance-row .balance-card{flex:1 1}.balance-row .balance-amount{font-size:22px}.chart-section{background:var(--bg-card);border-radius:16px;padding:20px;border:1px solid var(--border);margin-bottom:24px}.chart-title{font-size:16px;font-weight:600;margin-bottom:16px}.transactions-section{margin-bottom:24px}.section-title{font-size:16px;font-weight:600;margin-bottom:12px}.transaction-item{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;background:var(--bg-card);border-radius:12px;border:1px solid var(--border);margin-bottom:8px}.transaction-info{display:flex;flex-direction:column;gap:2px}.transaction-desc{font-size:14px;font-weight:500}.transaction-date{font-size:12px;color:var(--text-secondary)}.transaction-amount{font-weight:600;font-size:15px}.transaction-amount.credit{color:var(--success)}.transaction-amount.debit{color:var(--danger)}.admin-section{margin-bottom:24px}.admin-card{background:var(--bg-card);border-radius:16px;padding:20px;border:1px solid var(--border);margin-bottom:12px}.admin-card h3{font-size:16px;margin-bottom:12px}.admin-row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--border)}.admin-row:last-child{border-bottom:none}.badge{padding:4px 10px;border-radius:20px;font-size:12px;font-weight:600}.badge-admin{background:rgba(99,102,241,.2);color:var(--accent)}.badge-user{background:rgba(136,136,170,.2);color:var(--text-secondary)}.btn-small{padding:6px 12px;border-radius:8px;border:1px solid var(--border);background:var(--bg-input);color:var(--text-primary);font-size:13px;cursor:pointer;transition:background .2s}.btn-small:hover{background:var(--bg-card)}.btn-danger{border-color:var(--danger);color:var(--danger)}select{padding:8px 12px;background:var(--bg-input);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);font-size:14px;outline:none}select:focus{border-color:var(--accent)}.loading-screen{justify-content:center;min-height:100vh;color:var(--text-secondary)}.loading-screen,.setup-banner{display:flex;align-items:center}.setup-banner{background:rgba(99,102,241,.1);border:1px solid var(--accent);border-radius:12px;padding:14px 16px;margin-bottom:20px;justify-content:space-between;font-size:14px}.setup-banner button{padding:8px 16px;background:var(--accent);color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:13px;font-weight:600}.empty-state{text-align:center;padding:40px 20px;color:var(--text-secondary)}.empty-state svg{margin-bottom:12px;opacity:.5}.page-header{font-size:24px;font-weight:700;margin-bottom:20px}.admin-tabs{display:flex;gap:4px;margin-bottom:20px;overflow-x:auto;-webkit-overflow-scrolling:touch}.admin-tab{padding:8px 16px;border-radius:10px;border:1px solid var(--border);background:var(--bg-input);color:var(--text-secondary);font-size:13px;font-weight:500;cursor:pointer;transition:all .2s;white-space:nowrap}.admin-tab.active{background:var(--accent);color:#fff;border-color:var(--accent)}.admin-tab:hover:not(.active){background:var(--bg-card)}.admin-form .form-row{display:flex;gap:12px}.admin-form select{width:100%}code{background:var(--bg-input);padding:2px 6px;border-radius:4px;font-size:12px;color:var(--accent)}.budget-bar-container{height:4px;background:var(--border);border-radius:2px;margin-top:6px;overflow:hidden}.budget-bar{height:100%;border-radius:2px;transition:width .3s ease}