/* ================================================================
   PersonalFinanceApp — UI System
   Dark mode · Mobile-first · Themeable via --primary
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Mono:ital,wght@0,400;0,700;1,400&family=Syne:wght@400;600;700;800&display=swap');

/* ----------------------------------------------------------------
   Anti-FOUC — adicionar no <head> ANTES do <link> do CSS:
   <script>
     if (localStorage.getItem('theme') === 'light')
       document.documentElement.classList.add('theme-light');
   </script>
---------------------------------------------------------------- */

/* ----------------------------------------------------------------
   Tema Dark (padrão)
---------------------------------------------------------------- */
:root {
    /* Backgrounds */
    --bg-base: #0a0a0a;
    --bg-surface: #111111;
    --bg-raised: #181818;
    --bg-overlay: #1f1f1f;
    --bg-hover: #242424;

    /* Nav (hardcoded → variável) */
    --bg-top-nav: rgba(10, 10, 10, .92);
    --bg-bottom-nav: rgba(10, 10, 10, .96);

    /* Bordas */
    --border: #1e1e1e;
    --border-light: #2a2a2a;
    --border-focus: var(--primary);

    /* Texto */
    --text-primary: #f0f0f0;
    --text-secondary: #9a9a9a;
    --text-muted: #5a5a5a;
    --text-inverse: #080f0a;

    /* Cor primária */
    --primary: #3ddc6a;
    --primary-dim: #2aad4f;
    --primary-glow: rgba(61, 220, 106, 0.15);
    --primary-subtle: rgba(61, 220, 106, 0.08);

    /* Semântica */
    --income: #3ddc6a;
    --expense: #ff5c5c;
    --amber: #ffb830;
    --blue: #4da6ff;
    --purple: #b47fff;

    --success: var(--income);
    --danger: var(--expense);
    --warning: var(--amber);
    --info: var(--blue);

    /* Categorias */
    --cat-casa: #4da6ff;
    --cat-carro: #ffb830;
    --cat-pet: #3ddc6a;
    --cat-saude: #ff5c5c;
    --cat-alimentacao: #ff8c42;
    --cat-lazer: #b47fff;
    --cat-educacao: #40d9c0;
    --cat-receitas: #3ddc6a;

    /* Tipografia */
    --font-ui: 'Syne', sans-serif;
    --font-mono: 'Space Mono', monospace;

    /* Espaçamento (base 4px) */
    --sp-1: 4px;
    --sp-2: 8px;
    --sp-3: 12px;
    --sp-4: 16px;
    --sp-5: 20px;
    --sp-6: 24px;
    --sp-8: 32px;
    --sp-10: 40px;
    --sp-12: 48px;

    /* Raios */
    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Sombras */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, .4);
    --shadow: 0 4px 16px rgba(0, 0, 0, .5);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, .6);
    --shadow-primary: 0 0 20px var(--primary-glow);

    /* Transições */
    --transition: 150ms ease;
    --transition-slow: 300ms ease;

    /* Layout */
    --nav-height: 60px;
    --bottom-nav-h: 64px;
    --max-width: 480px;
}

/* ================================================================
   SISTEMA DE TEMAS
   Dois eixos independentes:
     BASE:    html.theme-dark (padrão) | html.theme-light
     PALETA:  html.green (padrão) | .blue | .red | .orange
              .purple | .cyan | .yellow | .dark-blue

   Combinam livremente:
     <html class="theme-light blue">
     <html class="theme-dark red">
================================================================ */

/* ── Base: Light ── */
html.theme-light {
    --bg-base: #f5f5f5;
    --bg-surface: #ffffff;
    --bg-raised: #efefef;
    --bg-overlay: #e8e8e8;
    --bg-hover: #e2e2e2;

    --bg-top-nav: rgba(245, 245, 245, .92);
    --bg-bottom-nav: rgba(255, 255, 255, .96);

    --border: #e0e0e0;
    --border-light: #d0d0d0;

    --text-primary: #0f0f0f;
    --text-secondary: #555555;
    --text-muted: #999999;
    --text-inverse: #ffffff;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);
    --shadow: 0 4px 16px rgba(0, 0, 0, .12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, .16);
}

/* ── Paletas de cor ─────────────────────────────────────────────
   Cada paleta define: --primary, --primary-dim,
                       --primary-subtle, --primary-glow
   O tema light sobrescreve o --primary para versão
   mais escura que contraste bem em fundo claro.
─────────────────────────────────────────────────────────────── */

/* Green (padrão — já definido no :root, mas explícito aqui) */
html.green,
:root {
    --primary: #3ddc6a;
    --primary-dim: #2aad4f;
    --primary-subtle: rgba(61, 220, 106, 0.08);
    --primary-glow: rgba(61, 220, 106, 0.15);
}

html.theme-light.green,
html.theme-light:not([class*="blue"]):not(.red):not(.orange):not(.purple):not(.cyan):not(.yellow) {
    --primary: #1f9945;
    --primary-dim: #177a36;
    --primary-subtle: rgba(31, 153, 69, 0.10);
    --primary-glow: rgba(31, 153, 69, 0.12);
}

/* Blue */
html.blue {
    --primary: #4da6ff;
    --primary-dim: #2e8fe0;
    --primary-subtle: rgba(77, 166, 255, 0.08);
    --primary-glow: rgba(77, 166, 255, 0.15);
}

html.theme-light.blue {
    --primary: #1a72cc;
    --primary-dim: #145aa3;
    --primary-subtle: rgba(26, 114, 204, 0.10);
    --primary-glow: rgba(26, 114, 204, 0.12);
}

/* Red */
html.red {
    --primary: #ff5c5c;
    --primary-dim: #e03c3c;
    --primary-subtle: rgba(255, 92, 92, 0.08);
    --primary-glow: rgba(255, 92, 92, 0.15);
}

html.theme-light.red {
    --primary: #cc2222;
    --primary-dim: #a81a1a;
    --primary-subtle: rgba(204, 34, 34, 0.10);
    --primary-glow: rgba(204, 34, 34, 0.12);
}

/* Orange */
html.orange {
    --primary: #ff8c42;
    --primary-dim: #e06c22;
    --primary-subtle: rgba(255, 140, 66, 0.08);
    --primary-glow: rgba(255, 140, 66, 0.15);
}

html.theme-light.orange {
    --primary: #cc5a0f;
    --primary-dim: #a3470b;
    --primary-subtle: rgba(204, 90, 15, 0.10);
    --primary-glow: rgba(204, 90, 15, 0.12);
}

/* Purple */
html.purple {
    --primary: #b47fff;
    --primary-dim: #9460e0;
    --primary-subtle: rgba(180, 127, 255, 0.08);
    --primary-glow: rgba(180, 127, 255, 0.15);
}

html.theme-light.purple {
    --primary: #7c3dd6;
    --primary-dim: #6230b0;
    --primary-subtle: rgba(124, 61, 214, 0.10);
    --primary-glow: rgba(124, 61, 214, 0.12);
}

/* Cyan */
html.cyan {
    --primary: #40d9c0;
    --primary-dim: #28b8a0;
    --primary-subtle: rgba(64, 217, 192, 0.08);
    --primary-glow: rgba(64, 217, 192, 0.15);
}

html.theme-light.cyan {
    --primary: #0e9e88;
    --primary-dim: #0a7d6c;
    --primary-subtle: rgba(14, 158, 136, 0.10);
    --primary-glow: rgba(14, 158, 136, 0.12);
}

/* Yellow */
html.yellow {
    --primary: #ffb830;
    --primary-dim: #e09810;
    --primary-subtle: rgba(255, 184, 48, 0.08);
    --primary-glow: rgba(255, 184, 48, 0.15);
}

html.theme-light.yellow {
    --primary: #b87d00;
    --primary-dim: #946400;
    --primary-subtle: rgba(184, 125, 0, 0.10);
    --primary-glow: rgba(184, 125, 0, 0.12);
}

/* Dark Blue */
html.dark-blue {
    --primary: #7eb8ff;
    --primary-dim: #5a9ae0;
    --primary-subtle: rgba(126, 184, 255, 0.08);
    --primary-glow: rgba(126, 184, 255, 0.15);
    /* Também muda os backgrounds para azul escuro */
    --bg-base: #080c14;
    --bg-surface: #0d1420;
    --bg-raised: #121c2c;
    --bg-overlay: #182438;
    --bg-hover: #1e2e44;
    --bg-top-nav: rgba(8, 12, 20, .92);
    --bg-bottom-nav: rgba(8, 12, 20, .96);
    --border: #1a2438;
    --border-light: #243248;
}

/* Dark Green */
html.dark-green {
    --primary: #3ddc6a;
    --primary-dim: #2aad4f;
    --primary-subtle: rgba(61, 220, 106, 0.08);
    --primary-glow: rgba(61, 220, 106, 0.15);
    --bg-base: #050e08;
    --bg-surface: #091410;
    --bg-raised: #0e1c14;
    --bg-overlay: #12251a;
    --bg-hover: #172e20;
    --bg-top-nav: rgba(5, 14, 8, .92);
    --bg-bottom-nav: rgba(5, 14, 8, .96);
    --border: #142010;
    --border-light: #1e301a;
}

/* ----------------------------------------------------------------
   Reset & Base
---------------------------------------------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-ui);
    background-color: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    background-image: radial-gradient(ellipse 80% 50% at 50% -20%, var(--primary-subtle) 0%, transparent 60%);
    padding-bottom: calc(var(--bottom-nav-h) + var(--sp-4));
}

a {
    color: var(--blue);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--primary);
}

img {
    max-width: 100%;
    display: block;
}

/* ----------------------------------------------------------------
   Tipografia
---------------------------------------------------------------- */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-ui);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 {
    font-size: 1.75rem;
    font-weight: 800;
}

h2 {
    font-size: 1.375rem;
}

h3 {
    font-size: 1.125rem;
}

h4 {
    font-size: 1rem;
}

p {
    color: var(--text-secondary);
}

.mono {
    font-family: var(--font-mono);
}

.text-income {
    color: var(--income);
}

.text-expense {
    color: var(--expense);
}

.text-amber {
    color: var(--amber);
}

.text-blue {
    color: var(--blue);
}

.text-muted {
    color: var(--text-muted);
}

.text-secondary {
    color: var(--text-secondary);
}

.text-sm {
    font-size: .813rem;
}

.text-xs {
    font-size: .75rem;
}

.text-lg {
    font-size: 1.125rem;
}

.text-xl {
    font-size: 1.25rem;
}

.text-2xl {
    font-size: 1.5rem;
}

.text-3xl {
    font-size: 1.875rem;
}

.font-bold {
    font-weight: 700;
}

.font-medium {
    font-weight: 600;
}

/* ----------------------------------------------------------------
   Layout
---------------------------------------------------------------- */
.app-wrapper {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--sp-4);
}

.page {
    padding-top: calc(var(--nav-height) + var(--sp-4));
    padding-bottom: var(--sp-8);
}

/* ----------------------------------------------------------------
   Top Nav
---------------------------------------------------------------- */
.top-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: var(--bg-top-nav);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--sp-4);
}

.top-nav__logo {
    font-family: var(--font-mono);
    font-size: .875rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -.5px;
    display: flex;
    align-items: center;
    gap: var(--sp-2);
}

.top-nav__logo span {
    color: var(--text-secondary);
    font-weight: 400;
}

.top-nav__actions {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
}

.avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-overlay);
    border: 1.5px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .75rem;
    font-weight: 700;
    color: var(--primary);
    cursor: pointer;
    transition: border-color var(--transition);
    overflow: hidden;
}

.avatar:hover {
    border-color: var(--primary);
}

/* ----------------------------------------------------------------
   Bottom Navigation
---------------------------------------------------------------- */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--bottom-nav-h);
    background: var(--bg-bottom-nav);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid var(--border);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-around;
    padding: 0 var(--sp-2);
    padding-bottom: env(safe-area-inset-bottom);
}

.bottom-nav__item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: var(--sp-2) 0;
    color: var(--text-muted);
    font-size: .65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .5px;
    text-decoration: none;
    transition: color var(--transition);
    border-radius: var(--radius);
    cursor: pointer;
}

.bottom-nav__item svg {
    width: 22px;
    height: 22px;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.bottom-nav__item:hover,
.bottom-nav__item.active {
    color: var(--primary);
}

.bottom-nav__item.active svg {
    filter: drop-shadow(0 0 4px var(--primary));
}

.bottom-nav__fab {
    flex: 0 0 56px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--text-inverse);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 0 0 4px var(--bg-surface), var(--shadow-primary);
    transition: transform var(--transition), box-shadow var(--transition);
    margin-bottom: 8px;
}

.bottom-nav__fab:hover {
    transform: scale(1.08);
    color: var(--text-inverse);
    box-shadow: 0 0 0 4px var(--bg-surface), 0 0 30px var(--primary-glow);
}

.bottom-nav__fab svg {
    width: 24px;
    height: 24px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2.5;
    stroke-linecap: round;
}

/* ----------------------------------------------------------------
   Cards
---------------------------------------------------------------- */
.card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.card:hover {
    border-color: var(--border-light);
}

.card-hover:hover {
    border-color: var(--border-focus);
    box-shadow: var(--shadow-primary);
}

.card-body {
    padding: var(--sp-4);
}

.card-header {
    padding: var(--sp-3) var(--sp-4);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-footer {
    padding: var(--sp-3) var(--sp-4);
    border-top: 1px solid var(--border);
}

.stat-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--sp-4);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
}

.stat-card.income::before {
    background: var(--income);
}

.stat-card.expense::before {
    background: var(--expense);
}

.stat-card.balance::before {
    background: var(--amber);
}

.stat-card.neutral::before {
    background: var(--blue);
}

.stat-card__label {
    font-size: .7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: var(--sp-2);
}

.stat-card__value {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1;
}

.stat-card__sub {
    font-size: .75rem;
    color: var(--text-muted);
    margin-top: var(--sp-1);
}

/* ----------------------------------------------------------------
   Grid & Flex
---------------------------------------------------------------- */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-3);
}

.grid-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--sp-3);
}

.d-flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.align-center {
    align-items: center;
}

.align-start {
    align-items: flex-start;
}

.justify-between {
    justify-content: space-between;
}

.justify-center {
    justify-content: center;
}

.gap-1 {
    gap: var(--sp-1);
}

.gap-2 {
    gap: var(--sp-2);
}

.gap-3 {
    gap: var(--sp-3);
}

.gap-4 {
    gap: var(--sp-4);
}

.flex-1 {
    flex: 1;
}

/* ----------------------------------------------------------------
   Espaçamento
---------------------------------------------------------------- */
.mt-1 {
    margin-top: var(--sp-1)
}

.mt-2 {
    margin-top: var(--sp-2)
}

.mt-3 {
    margin-top: var(--sp-3)
}

.mt-4 {
    margin-top: var(--sp-4)
}

.mt-6 {
    margin-top: var(--sp-6)
}

.mt-8 {
    margin-top: var(--sp-8)
}

.mb-1 {
    margin-bottom: var(--sp-1)
}

.mb-2 {
    margin-bottom: var(--sp-2)
}

.mb-3 {
    margin-bottom: var(--sp-3)
}

.mb-4 {
    margin-bottom: var(--sp-4)
}

.mb-6 {
    margin-bottom: var(--sp-6)
}

.mb-8 {
    margin-bottom: var(--sp-8)
}

.p-2 {
    padding: var(--sp-2)
}

.p-3 {
    padding: var(--sp-3)
}

.p-4 {
    padding: var(--sp-4)
}

.px-3 {
    padding-left: var(--sp-3);
    padding-right: var(--sp-3)
}

.px-4 {
    padding-left: var(--sp-4);
    padding-right: var(--sp-4)
}

.py-2 {
    padding-top: var(--sp-2);
    padding-bottom: var(--sp-2)
}

.py-3 {
    padding-top: var(--sp-3);
    padding-bottom: var(--sp-3)
}

/* ----------------------------------------------------------------
   Botões
---------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-2);
    font-family: var(--font-ui);
    font-size: .875rem;
    font-weight: 700;
    letter-spacing: .3px;
    padding: var(--sp-3) var(--sp-5);
    border-radius: var(--radius);
    border: 1.5px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition);
    white-space: nowrap;
    -webkit-tap-highlight-color: transparent;
}

.btn-primary {
    background: var(--primary);
    color: var(--text-inverse);
    border-color: var(--primary);
}

.btn-primary:hover {
    background: var(--primary-dim);
    border-color: var(--primary-dim);
    color: var(--text-inverse);
    box-shadow: 0 0 16px var(--primary-glow);
}

.btn-danger {
    background: transparent;
    color: var(--expense);
    border-color: var(--expense);
}

.btn-danger:hover {
    background: var(--expense);
    color: #fff;
}

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--border-light);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border-color: transparent;
    padding-left: var(--sp-2);
    padding-right: var(--sp-2);
}

.btn-ghost:hover {
    color: var(--primary);
    background: var(--primary-subtle);
}

.btn-sm {
    padding: var(--sp-2) var(--sp-3);
    font-size: .8rem;
}

.btn-lg {
    padding: var(--sp-4) var(--sp-6);
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

.btn svg {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
}

/* ----------------------------------------------------------------
   Formulários
---------------------------------------------------------------- */
.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
    margin-bottom: var(--sp-4);
}

label {
    font-size: .75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .8px;
    color: var(--text-muted);
}

input,
select,
textarea {
    font-family: var(--font-ui);
    font-size: .9375rem;
    color: var(--text-primary);
    background: var(--bg-raised);
    border: 1.5px solid var(--border-light);
    border-radius: var(--radius);
    padding: var(--sp-3) var(--sp-4);
    width: 100%;
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
    -webkit-appearance: none;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--primary-subtle);
}

input::placeholder,
textarea::placeholder {
    color: var(--text-muted);
}

select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%234a7057' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--sp-3) center;
    padding-right: var(--sp-8);
    cursor: pointer;
}

.input-money {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -.5px;
}

.input-error {
    border-color: var(--expense) !important;
}

.field-error {
    font-size: .75rem;
    color: var(--expense);
    display: flex;
    align-items: center;
    gap: var(--sp-1);
}

.type-toggle {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-2);
    background: var(--bg-raised);
    border-radius: var(--radius);
    padding: var(--sp-1);
}

.type-toggle input[type="radio"] {
    display: none;
}

.type-toggle label {
    text-align: center;
    padding: var(--sp-2) var(--sp-3);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: .8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .8px;
    color: var(--text-muted);
    border: 1px solid transparent;
    transition: all var(--transition);
}

.type-toggle input[value="expense"]:checked+label {
    background: rgba(255, 92, 92, .15);
    color: var(--expense);
    border-color: rgba(255, 92, 92, .3);
}

.type-toggle input[value="income"]:checked+label {
    background: var(--primary-subtle);
    color: var(--income);
    border-color: var(--primary-glow);
}

/* ----------------------------------------------------------------
   Transações
---------------------------------------------------------------- */
.transaction-list {
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
}

.transaction-item {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    padding: var(--sp-3) var(--sp-4);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-decoration: none;
    transition: border-color var(--transition), background var(--transition);
}

.transaction-item:hover {
    border-color: var(--border-light);
    background: var(--bg-raised);
}

.transaction-item__icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    flex-shrink: 0;
}

.transaction-item__info {
    flex: 1;
    min-width: 0;
}

.transaction-item__desc {
    font-size: .875rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.transaction-item__meta {
    font-size: .75rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.transaction-item__amount {
    font-family: var(--font-mono);
    font-size: .9rem;
    font-weight: 700;
    flex-shrink: 0;
}

.transaction-item__amount.income {
    color: var(--income);
}

.transaction-item__amount.expense {
    color: var(--expense);
}

/* ----------------------------------------------------------------
   Categorias
---------------------------------------------------------------- */
.category-list {
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
}

.category-root {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.category-root__header {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    padding: var(--sp-3) var(--sp-4);
    cursor: pointer;
}

.category-root__icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.category-root__name {
    flex: 1;
    font-weight: 700;
    font-size: .9375rem;
}

.category-children {
    border-top: 1px solid var(--border);
    padding: var(--sp-2) var(--sp-4) var(--sp-2) calc(var(--sp-4) + 36px + var(--sp-3));
    display: flex;
    flex-direction: column;
    gap: var(--sp-1);
}

.category-child {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    padding: var(--sp-2) 0;
    font-size: .875rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
}

.category-child:last-child {
    border-bottom: none;
}

/* ----------------------------------------------------------------
   Badges
---------------------------------------------------------------- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px var(--sp-2);
    border-radius: 20px;
    font-size: .7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .5px;
}

.badge-income {
    background: rgba(61, 220, 106, .15);
    color: var(--income);
}

.badge-expense {
    background: rgba(255, 92, 92, .15);
    color: var(--expense);
}

.badge-amber {
    background: rgba(255, 184, 48, .15);
    color: var(--amber);
}

.badge-blue {
    background: rgba(77, 166, 255, .15);
    color: var(--blue);
}

.badge-purple {
    background: rgba(180, 127, 255, .15);
    color: var(--purple);
}

/* ----------------------------------------------------------------
   Flash & Toast
---------------------------------------------------------------- */
.flash {
    padding: var(--sp-3) var(--sp-4);
    border-radius: var(--radius);
    border: 1px solid;
    font-size: .875rem;
    font-weight: 600;
    margin-bottom: var(--sp-4);
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    animation: slideDown .3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.flash-success {
    background: rgba(61, 220, 106, .1);
    border-color: rgba(61, 220, 106, .3);
    color: var(--income);
}

.flash-error {
    background: rgba(255, 92, 92, .1);
    border-color: rgba(255, 92, 92, .3);
    color: var(--expense);
}

.flash-warning {
    background: rgba(255, 184, 48, .1);
    border-color: rgba(255, 184, 48, .3);
    color: var(--amber);
}

.flash-info {
    background: rgba(77, 166, 255, .1);
    border-color: rgba(77, 166, 255, .3);
    color: var(--blue);
}

#toast-container {
    position: fixed;
    bottom: calc(var(--bottom-nav-h) + var(--sp-4));
    left: 50%;
    transform: translateX(-50%);
    z-index: 200;
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
    width: calc(100% - var(--sp-8));
    max-width: calc(var(--max-width) - var(--sp-8));
}

.toast {
    padding: var(--sp-3) var(--sp-4);
    border-radius: var(--radius);
    font-size: .875rem;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    animation: toastIn .25s ease;
    border: 1px solid;
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.toast.success {
    background: var(--bg-overlay);
    border-color: var(--income);
    color: var(--income);
}

.toast.error {
    background: var(--bg-overlay);
    border-color: var(--expense);
    color: var(--expense);
}

.toast.warning {
    background: var(--bg-overlay);
    border-color: var(--amber);
    color: var(--amber);
}

.toast.info {
    background: var(--bg-overlay);
    border-color: var(--blue);
    color: var(--blue);
}

/* ----------------------------------------------------------------
   Modal
---------------------------------------------------------------- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .7);
    backdrop-filter: blur(4px);
    z-index: 150;
    display: none;
    align-items: flex-end;
    justify-content: center;
    padding: 0;
}

.modal-overlay.modal-open {
    display: flex;
    animation: fadeIn .2s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.modal {
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    width: 100%;
    max-width: var(--max-width);
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp .3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
    }

    to {
        transform: translateY(0);
    }
}

.modal-handle {
    width: 40px;
    height: 4px;
    background: var(--border-light);
    border-radius: 2px;
    margin: var(--sp-3) auto var(--sp-4);
}

.modal-header {
    padding: 0 var(--sp-4) var(--sp-3);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-body {
    padding: var(--sp-4);
}

.modal-footer {
    padding: var(--sp-4);
    border-top: 1px solid var(--border);
}

/* ----------------------------------------------------------------
   Seção, Page header, Empty state
---------------------------------------------------------------- */
.section-title {
    font-size: .7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    margin-bottom: var(--sp-3);
    display: flex;
    align-items: center;
    gap: var(--sp-2);
}

.section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--sp-5);
}

.page-header h1 {
    font-size: 1.375rem;
}

.empty-state {
    text-align: center;
    padding: var(--sp-12) var(--sp-4);
    color: var(--text-muted);
}

.empty-state__icon {
    font-size: 2.5rem;
    margin-bottom: var(--sp-3);
    opacity: .5;
}

.empty-state__title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: var(--sp-2);
}

.empty-state__subtitle {
    font-size: .875rem;
    color: var(--text-muted);
}

/* ----------------------------------------------------------------
   Chips & Filter bar
---------------------------------------------------------------- */
.filter-bar {
    display: flex;
    gap: var(--sp-2);
    overflow-x: auto;
    padding-bottom: var(--sp-2);
    scrollbar-width: none;
    -ms-overflow-style: none;
    margin-bottom: var(--sp-4);
}

.filter-bar::-webkit-scrollbar {
    display: none;
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-1);
    padding: var(--sp-1) var(--sp-3);
    border-radius: 20px;
    font-size: .75rem;
    font-weight: 700;
    white-space: nowrap;
    background: var(--bg-raised);
    border: 1.5px solid var(--border-light);
    color: var(--text-secondary);
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition);
}

.chip:hover,
.chip.active {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-subtle);
}

/* ----------------------------------------------------------------
   Barras
---------------------------------------------------------------- */
.bar-chart {
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
}

.bar-item__label {
    display: flex;
    justify-content: space-between;
    font-size: .8rem;
    margin-bottom: 6px;
}

.bar-item__label span:first-child {
    color: var(--text-secondary);
}

.bar-item__label span:last-child {
    font-family: var(--font-mono);
    font-size: .75rem;
    font-weight: 700;
}

.bar-track {
    height: 6px;
    background: var(--bg-overlay);
    border-radius: 3px;
    overflow: hidden;
}

.bar-fill {
    height: 100%;
    border-radius: 3px;
    transition: width .6s cubic-bezier(.4, 0, .2, 1);
}

/* ----------------------------------------------------------------
   Paginação
---------------------------------------------------------------- */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-1);
    margin-top: var(--sp-6);
}

.pagination a,
.pagination span {
    min-width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    font-size: .875rem;
    font-weight: 600;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    transition: all var(--transition);
    text-decoration: none;
}

.pagination a:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.pagination .current {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--text-inverse);
}

/* ----------------------------------------------------------------
   Color picker
---------------------------------------------------------------- */
.color-options {
    display: flex;
    gap: var(--sp-2);
    flex-wrap: wrap;
}

.color-option {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    border: 2.5px solid transparent;
    transition: transform var(--transition), border-color var(--transition);
}

.color-option:hover {
    transform: scale(1.15);
}

.color-option.selected {
    border-color: var(--text-primary);
    transform: scale(1.15);
}

/* ----------------------------------------------------------------
   Utilitários
---------------------------------------------------------------- */
.hidden {
    display: none !important;
}

.w-full {
    width: 100%;
}

.relative {
    position: relative;
}

.truncate {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.rounded {
    border-radius: var(--radius);
}

.rounded-full {
    border-radius: 9999px;
}

.divider {
    height: 1px;
    background: var(--border);
    margin: var(--sp-4) 0;
}

.color-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
    display: inline-block;
}

/* ----------------------------------------------------------------
   Scrollbar
---------------------------------------------------------------- */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-base);
}

::-webkit-scrollbar-thumb {
    background: var(--border-light);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ----------------------------------------------------------------
   Desktop
---------------------------------------------------------------- */
@media (min-width: 520px) {
    .top-nav {
        left: 50%;
        transform: translateX(-50%);
        width: 100%;
        max-width: 100%;
    }

    .bottom-nav {
        left: 50%;
        transform: translateX(-50%);
        max-width: var(--max-width);
        border-left: 1px solid var(--border);
        border-right: 1px solid var(--border);
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    }
}