:root {
    /* Tokyo Night Light Theme (Default se não for dark) */
    --bg-base: #d5d6db;
    --bg-surface: #e1e2e7;
    --bg-glass: rgba(225, 226, 231, 0.6);
    --text-main: #343b58;
    --text-muted: #565f89;
    --primary: #33467c;
    --primary-hover: #293966;
    --secondary: #9aa5ce;
    --accent: #0f4b6e;
    --danger: #8c4351;
    --success: #33635c;
    --border: rgba(52, 59, 88, 0.1);
    --shadow: rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] {
    /* Tokyo Night Dark Theme */
    --bg-base: #1a1b26;
    --bg-surface: #24283b;
    --bg-glass: rgba(36, 40, 59, 0.6);
    --text-main: #c0caf5;
    --text-muted: #9aa5ce;
    --primary: #7aa2f7;
    --primary-hover: #8caaee;
    --secondary: #414868;
    --accent: #bb9af7;
    --danger: #f7768e;
    --success: #9ece6a;
    --border: rgba(192, 202, 245, 0.1);
    --shadow: rgba(0, 0, 0, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-base);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Glassmorphism */
.glass-card {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: 0 8px 32px var(--shadow);
}

/* Inputs & Buttons */
.input-group {
    margin-bottom: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-group label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
}

input, select {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    background-color: var(--bg-surface);
    color: var(--text-main);
    outline: none;
    font-family: inherit;
    font-size: 1rem;
}

input:focus, select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(122, 162, 247, 0.2);
}

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    font-size: 1rem;
    transition: transform 0.2s, background-color 0.2s;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background-color: var(--primary);
    color: #1a1b26;
}
[data-theme="light"] .btn-primary { color: #ffffff; }

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

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

.w-full {
    width: 100%;
}

.text-danger {
    color: var(--danger) !important;
}

/* Login Page Specifics */
.login-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.login-container .glass-card {
    width: 100%;
    max-width: 400px;
    padding: 2.5rem;
}

.brand {
    text-align: center;
    margin-bottom: 2rem;
}

.brand h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 1rem;
}

.error-message {
    color: var(--danger);
    font-size: 0.85rem;
    margin-bottom: 1rem;
    text-align: center;
    min-height: 1.2rem;
}

/* Dashboard Specifics */
.dashboard-body {
    flex-direction: row;
}

.sidebar {
    width: 250px;
    height: 100vh;
    padding: 2rem 1rem;
    border-radius: 0;
    border-right: 1px solid var(--border);
    position: fixed;
}

.sidebar .brand {
    text-align: left;
    padding-left: 1rem;
}

.nav-links {
    list-style: none;
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    display: block;
    font-weight: 500;
}

.nav-links li.active a, .nav-links a:hover {
    background-color: var(--bg-surface);
    color: var(--primary);
}

.main-content {
    flex: 1;
    margin-left: 250px;
    padding: 2rem 3rem;
}

.main-content header {
    margin-bottom: 2rem;
}

.main-content header h1 {
    font-size: 2rem;
}

.main-content header p {
    color: var(--text-muted);
}

.overview-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    padding: 1.5rem;
}

.stat-card h3 {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.stat-card h2 {
    font-size: 2rem;
    color: var(--primary);
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 1.5rem;
}

.add-expense, .expense-list-container {
    padding: 1.5rem;
}

.add-expense h3, .expense-list-container h3 {
    margin-bottom: 1.5rem;
}

/* Table */
.table-responsive {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

th {
    color: var(--text-muted);
    font-weight: 600;
}

.btn-delete {
    background: transparent;
    color: var(--danger);
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 4px;
}

.btn-delete:hover {
    background: rgba(247, 118, 142, 0.1);
}

/* Theme Toggle Button */
.theme-toggle {
    position: fixed;
    top: 1rem;
    right: 1rem;
    background: var(--bg-glass);
    border: 1px solid var(--border);
    color: var(--text-main);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(12px);
    transition: transform 0.3s;
}

.theme-toggle:hover {
    transform: rotate(15deg);
}

@media (max-width: 768px) {
    .dashboard-body { flex-direction: column; }
    .sidebar { width: 100%; height: auto; position: static; border-right: none; border-bottom: 1px solid var(--border); }
    .main-content { margin-left: 0; padding: 1rem; }
    .content-grid { grid-template-columns: 1fr; }
}

/* Dynamic Theme Variables */
:root, [data-theme="dark"] {
    --bg-main: #1a1b26;
    --bg-surface: #24283b;
    --bg-input: #1f2335;
    --border-color: #3b4261;
    --text-main: #c0caf5;
    --text-muted: #565f89;
    
    --color-despesa: #f7768e;
    --color-receita: #9ece6a;
    
    --btn-salvar: #7aa2f7;
    --btn-limpar: #414868;
    --btn-editar: #73daca;
    --btn-excluir: #f7768e;
    --btn-graficos: #9d7cd8;
    --btn-pdf: #db4b4b;
    --btn-text: #1a1b26;
}

[data-theme="light"] {
    --bg-main: #e2e4e9;
    --bg-surface: #eceef2;
    --bg-input: #f4f5f7;
    --border-color: #d1d5db;
    --text-main: #2b3a55;
    --text-muted: #64748b;
    
    --color-despesa: #e15569;
    --color-receita: #4a8240;
    
    --btn-salvar: #344463;
    --btn-limpar: #8b99af;
    --btn-editar: #458099;
    --btn-excluir: #cc5656;
    --btn-graficos: #73619c;
    --btn-pdf: #a85465;
    --btn-text: #ffffff;
}

body.dashboard-body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    transition: background-color 0.3s, color 0.3s;
}

.glass-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    transition: background-color 0.3s, border-color 0.3s;
}

/* Form Styles */
.input-group label {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 0.25rem;
    display: block;
}

.input-group input, 
.input-group select {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    border-radius: 6px;
    padding: 0.6rem 0.8rem;
    width: 100%;
    outline: none;
    box-sizing: border-box;
    transition: background-color 0.3s, border-color 0.3s, color 0.3s;
}

.input-group input:focus, 
.input-group select:focus {
    border-color: var(--btn-salvar);
}

/* Radio Buttons Custom */
.radio-group {
    display: flex;
    gap: 3rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.radio-custom {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-weight: 600;
}

.radio-custom input {
    display: none;
}

.radio-custom .circle {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 3px solid var(--text-muted);
    display: inline-block;
    transition: all 0.2s;
}

.radio-custom input:checked + .circle {
    border-width: 6px;
}

.radio-custom.despesa input:checked + .circle {
    border-color: var(--color-despesa);
}
.radio-custom.despesa input:checked ~ span {
    color: var(--color-despesa);
}

.radio-custom.receita input:checked + .circle {
    border-color: var(--color-receita);
}
.radio-custom.receita input:checked ~ span {
    color: var(--color-receita);
}

/* Action Buttons Stack */
.btn-stack {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.btn-action {
    padding: 0.75rem;
    border-radius: 6px;
    border: none;
    color: var(--btn-text);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: opacity 0.2s;
}

.btn-action:hover {
    opacity: 0.9;
}

.btn-action i {
    font-size: 1.1rem;
}

.btn-salvar { background-color: var(--btn-salvar); }
.btn-limpar { background-color: var(--btn-limpar); color: #fff !important; }
.btn-editar { background-color: var(--btn-editar); }
.btn-excluir { background-color: var(--btn-excluir); }
.btn-graficos { background-color: var(--btn-graficos); }
.btn-pdf { background-color: var(--btn-pdf); color: #fff !important; }

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
    color: var(--text-main);
    font-size: 0.9rem;
    cursor: pointer;
}


.expense-list-container {
    overflow-x: auto;
    width: 100%;
}
table {
    width: 100%;
    min-width: 600px; /* Garante que a tabela não esprema as colunas no celular */
}

.chart-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}
@media (max-width: 768px) {
    .chart-grid {
        grid-template-columns: 1fr;
    }
}