:root{--font-display: "Fraunces", "Times New Roman", Georgia, serif;--font-sans: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", "SF Mono", Menlo, monospace;--color-bg: #f5f1ea;--color-bg-warm: #eee7db;--color-surface: #ffffff;--color-text: #1e1b16;--color-text-muted: #4a4338;--color-text-subtle: #8a7f6e;--color-primary: #2c3e36;--color-primary-hover: #3e5a4d;--color-primary-muted: #f0dcc4;--color-accent: #c2703a;--color-border: #e5ddcd;--color-border-strong: #cfc4ae;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-full: 999px;--shadow-sm: 0 1px 2px rgba(30, 27, 22, .04), 0 1px 1px rgba(30, 27, 22, .03);--shadow-md: 0 2px 4px rgba(30, 27, 22, .04), 0 8px 24px -8px rgba(30, 27, 22, .08);--shadow-lg: 0 4px 8px rgba(30, 27, 22, .05), 0 24px 48px -12px rgba(30, 27, 22, .12);--header-h: 3.5rem;--app-bg-mid: #faf6ef;--app-auth-start: #f0dcc4;--app-auth-mid: #f5f1ea;--app-auth-end: #eee7db;--header-bg: rgba(255, 255, 255, .88);--header-bg-auth: rgba(255, 255, 255, .82);--input-bg: #eee7db;--input-border-hover: #cfc4ae;--input-focus-bg: #ffffff;--focus-ring: rgba(194, 112, 58, .35);--nav-link-hover-bg: rgba(44, 62, 54, .08);--btn-ghost-hover-bg: rgba(30, 27, 22, .06);--error-fg: #a23d2d;--error-bg: #f3d8cc;--error-border: #c2703a;--brand-mark-end: #3e5a4d;--btn-primary-shadow: rgba(44, 62, 54, .2);--btn-primary-shadow-hover: rgba(194, 112, 58, .25);--table-header-bg: #faf6ef;--table-row-hover: rgba(44, 62, 54, .06);--metric-income-border: #d9e8dc;--metric-income-bg: linear-gradient(165deg, #f5faf6 0%, #eef5f0 100%);--metric-expense-border: #f3d8cc;--metric-expense-bg: linear-gradient(165deg, #fdf8f6 0%, #faf0ec 100%);--metric-net-border: #e5ddcd;--metric-net-bg: linear-gradient(165deg, #faf6ef 0%, #f5f1ea 100%);--track-bg: #e5ddcd;--refund-amount-color: #2f6e4e;--backdrop-scrim: rgba(20, 18, 15, .4);--btn-solid-top: #3e5a4d;--btn-solid-bottom: #2c3e36;--btn-solid-text: #f5f1ea}:root[data-theme=dark]{--color-bg: #14171c;--color-bg-warm: #1c2027;--color-surface: #1c2027;--color-text: #f0e9dc;--color-text-muted: #b8b0a0;--color-text-subtle: #7e7868;--color-primary: #d9c6a3;--color-primary-hover: #e8dcc4;--color-primary-muted: rgba(217, 198, 163, .12);--color-accent: #e08f55;--color-border: #2a303a;--color-border-strong: #3a4250;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 2px 4px rgba(0, 0, 0, .3), 0 8px 24px -8px rgba(0, 0, 0, .4);--shadow-lg: 0 4px 8px rgba(0, 0, 0, .35), 0 24px 48px -12px rgba(0, 0, 0, .55);--app-bg-mid: #1c2027;--app-auth-start: #232831;--app-auth-mid: #14171c;--app-auth-end: #1c2027;--header-bg: rgba(28, 32, 39, .92);--header-bg-auth: rgba(28, 32, 39, .88);--input-bg: #121519;--input-border-hover: #3a4250;--input-focus-bg: #1c2027;--focus-ring: rgba(224, 143, 85, .4);--nav-link-hover-bg: rgba(217, 198, 163, .1);--btn-ghost-hover-bg: rgba(255, 255, 255, .08);--error-fg: #e07565;--error-bg: rgba(224, 117, 101, .12);--error-border: #a23d2d;--brand-mark-end: #b7a585;--btn-primary-shadow: rgba(0, 0, 0, .35);--btn-primary-shadow-hover: rgba(224, 143, 85, .3);--table-header-bg: #232831;--table-row-hover: rgba(217, 198, 163, .08);--metric-income-border: #1e2f25;--metric-income-bg: linear-gradient(165deg, #161c18 0%, #1e2a22 100%);--metric-expense-border: #3a1f1a;--metric-expense-bg: linear-gradient(165deg, #1a1412 0%, #241c1a 100%);--metric-net-border: #2a303a;--metric-net-bg: linear-gradient(165deg, #181c22 0%, #1c2027 100%);--track-bg: #3a4250;--refund-amount-color: #7fc49a;--backdrop-scrim: rgba(0, 0, 0, .65);--btn-solid-top: #4a6b58;--btn-solid-bottom: #2c3e36;--btn-solid-text: #f5f1ea}*{box-sizing:border-box}body{margin:0;font-family:var(--font-sans);font-size:1rem;line-height:1.5;color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;font-feature-settings:"ss01","cv11"}.h1,.auth-title,.brand{font-family:var(--font-display);letter-spacing:-.03em}a{color:var(--color-accent);text-decoration:none;font-weight:500}a:hover{color:var(--color-primary);text-decoration:underline;text-underline-offset:2px}.app{min-height:100vh;background:var(--color-bg)}.app--auth{min-height:100vh;background:linear-gradient(165deg,var(--app-auth-start) 0%,var(--app-auth-mid) 42%,var(--app-auth-end) 100%);background-attachment:fixed}.app-layout{display:grid;grid-template-columns:248px 1fr;min-height:100vh}.app-sidebar{background:var(--color-surface);border-right:1px solid var(--color-border);padding:1.25rem 1rem 1rem;display:flex;flex-direction:column;position:sticky;top:0;max-height:100vh;overflow-y:auto}.sidebar-brand{display:flex;align-items:center;gap:.75rem;padding:.35rem .5rem;margin-bottom:1.25rem;text-decoration:none;color:var(--color-text)}.sidebar-brand:hover{text-decoration:none;color:var(--color-text)}.sidebar-brand .mark{width:32px;height:32px;background:var(--color-primary);color:var(--btn-solid-text);border-radius:var(--radius-sm);display:grid;place-items:center;font-family:var(--font-display);font-weight:600;font-size:18px}.sidebar-brand .word{font-family:var(--font-display);font-weight:500;font-size:20px;letter-spacing:-.02em}.sidebar-brand .word em{color:var(--color-accent);font-style:italic;font-weight:400}.sidebar-nav{display:flex;flex-direction:column;gap:2px;flex:1}.nav-section{font-family:var(--font-mono);font-size:10px;text-transform:uppercase;letter-spacing:.1em;color:var(--color-text-subtle);padding:.75rem .75rem .5rem}.nav-link{display:flex;align-items:center;gap:.75rem;padding:.55rem .75rem;border-radius:var(--radius-md);color:var(--color-text-muted);text-decoration:none;font-size:.875rem;font-weight:500;cursor:pointer;transition:background .15s ease,color .15s ease;position:relative}.nav-link:hover{background:var(--nav-link-hover-bg);color:var(--color-text);text-decoration:none}.nav-link--active,.nav-link--active:hover{background:var(--color-text);color:var(--color-bg)}.nav-link svg{width:18px;height:18px;flex-shrink:0;stroke-width:1.75}.sidebar-badge{margin-left:auto;font-family:var(--font-mono);font-size:10px;font-weight:600;padding:2px 6px;border-radius:var(--radius-full);background:var(--warning-soft, #f3e3be);color:var(--warning-fg, #b6842c);line-height:1.2}.nav-link--active .sidebar-badge{background:var(--color-accent);color:var(--color-bg)}.sidebar-theme{display:flex;gap:2px;padding:3px;margin:.75rem 0 .5rem;background:var(--color-bg-warm);border:1px solid var(--color-border);border-radius:var(--radius-full)}.sidebar-theme button{flex:1;background:transparent;border:none;padding:.35rem .5rem;font-family:inherit;font-size:12px;font-weight:500;color:var(--color-text-muted);cursor:pointer;border-radius:var(--radius-full);transition:background .15s ease,color .15s ease}.sidebar-theme button:hover{color:var(--color-text)}.sidebar-theme button.active{background:var(--color-text);color:var(--color-bg)}.sidebar-user{display:flex;align-items:center;gap:.75rem;padding:.75rem .5rem;border-top:1px solid var(--color-border);margin-top:.5rem}.avatar{width:32px;height:32px;border-radius:50%;background:var(--color-accent);color:#fff;display:grid;place-items:center;font-family:var(--font-display);font-weight:600;font-size:14px;flex-shrink:0}.sidebar-user .info{flex:1;min-width:0}.sidebar-user .name{font-size:13px;font-weight:500;color:var(--color-text)}.sidebar-user .email{font-size:11px;color:var(--color-text-subtle);font-family:var(--font-mono);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-logout{background:none;border:none;padding:.4rem;color:var(--color-text-subtle);cursor:pointer;border-radius:var(--radius-sm);display:grid;place-items:center;transition:background .15s ease,color .15s ease}.sidebar-logout svg{width:16px;height:16px;stroke-width:1.75}.sidebar-logout:hover{background:var(--nav-link-hover-bg);color:var(--color-text)}.app-main{padding:1.75rem 2rem 3rem;min-width:0}.main{width:100%;max-width:58rem;margin:0 auto;padding:2.5rem 1.25rem}.main--auth{max-width:none;padding:0;min-height:100vh;display:block}@media(max-width:900px){.app-layout{grid-template-columns:1fr}.app-sidebar{position:static;max-height:none;border-right:none;border-bottom:1px solid var(--color-border);padding:1rem}.sidebar-nav{flex-direction:row;flex-wrap:wrap;gap:.25rem}.nav-section{display:none}.sidebar-theme{order:3}.app-main{padding:1.25rem}}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.35rem 1.4rem;box-shadow:var(--shadow-md)}.field{display:flex;flex-direction:column;gap:.4rem;margin-bottom:1rem}.field label{font-size:.875rem;font-weight:600;color:var(--color-text-muted)}.field input,.field select,.field textarea{padding:.55rem .7rem;border:1px solid var(--color-border-strong);border-radius:var(--radius-md);font-size:1rem;font-family:inherit;color:var(--color-text);background:var(--input-bg);transition:border-color .15s ease,box-shadow .15s ease,background .15s ease}.field input:hover,.field select:hover,.field textarea:hover{border-color:var(--input-border-hover)}.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--focus-ring);background:var(--input-focus-bg)}.field textarea{min-height:4rem;resize:vertical}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.6rem 1.15rem;border:none;border-radius:var(--radius-md);font-size:1rem;font-weight:600;font-family:inherit;cursor:pointer;background:linear-gradient(180deg,var(--btn-solid-top) 0%,var(--btn-solid-bottom) 100%);color:var(--btn-solid-text);box-shadow:0 1px 2px var(--btn-primary-shadow);transition:transform .12s ease,box-shadow .12s ease,filter .12s ease}.btn:hover:not(:disabled){filter:brightness(1.05);box-shadow:0 4px 12px var(--btn-primary-shadow-hover)}.btn:active:not(:disabled){transform:translateY(1px)}.btn:disabled{opacity:.55;cursor:not-allowed;box-shadow:none}.btn--small{padding:.45rem .85rem;font-size:.9rem}.btn--outline{background:transparent;color:var(--color-primary);border:1.5px solid var(--color-primary);box-shadow:none}.btn--outline:hover:not(:disabled){background:var(--color-primary-muted);filter:none;color:var(--color-primary)}.btn-secondary{background:var(--color-surface);color:var(--color-primary);border:1.5px solid var(--color-border-strong);box-shadow:var(--shadow-sm)}.btn-secondary:hover:not(:disabled){border-color:var(--color-primary);background:var(--color-primary-muted);filter:none}.error{color:var(--error-fg);font-size:.9rem;margin-bottom:.75rem;padding:.5rem .65rem;background:var(--error-bg);border-radius:var(--radius-sm);border:1px solid var(--error-border)}.muted{color:var(--color-text-muted)}.auth-panel{width:100%;max-width:24rem}.auth-card{padding:1.75rem 1.5rem}.auth-title{margin:0 0 .35rem;font-size:1.5rem;font-weight:700;letter-spacing:-.03em}.auth-lead{margin:0 0 1.1rem;color:var(--color-text-muted);font-size:.95rem;line-height:1.45}.auth-footer{margin-top:1.25rem;font-size:.95rem;color:var(--color-text-muted)}.page-head{margin-bottom:1.5rem}.h1{margin:0 0 .4rem;font-size:1.65rem;font-weight:700;letter-spacing:-.03em;color:var(--color-text);line-height:1.2}.h2{margin:0 0 .75rem;font-size:1.08rem;font-weight:600;color:var(--color-text);letter-spacing:-.02em}.h3{margin:0 0 .55rem;font-size:.98rem;font-weight:600;color:var(--color-text-muted)}.small{font-size:.92rem}.section{margin-bottom:1.15rem}