/* ==========================================================================
   1. VARIÁVEIS E TEMAS
   ========================================================================== */
:root {
    /* Tema Claro (Padrão) */
    --bg-color: #f2f4f8;
    --card-bg: #ffffff;
    --text-main: #111827;
    --text-secondary: #6b7280;
    --border-color: #e5e7eb;
    
    --primary: #2563eb;
    --success: #16a34a;
    --danger: #dc2626;
    --on-primary: #ffffff;
    
    --topbar-bg: #111827;
    --topbar-text: #ffffff;
    --overlay-bg: rgba(0,0,0,0.5);
    --shadow-color: rgba(0,0,0,.06);
    --shadow-color-sm: rgba(0,0,0,.04);
    --muted-bg: #f3f4f6;
    --danger-light-bg: #fee2e2;
    --calendar-icon-filter: invert(0);

    --dialog-bg: #ffffff;
    --dialog-text: #333333;
    --input-bg: #ffffff;
    --input-border: #cccccc;
    --input-text: #333333;
    --btn-cancel-bg: #e0e0e0;
    --btn-cancel-text: #333333;
}

body.dark-theme {
    /* Tema Escuro */
    --bg-color: #0f172a;      
    --card-bg: #1e293b;      
    --text-main: #f8fafc;
    --text-secondary: #94a3b8;
    --border-color: #334155;

    --danger: #f87171;
    --shadow-color: rgba(0,0,0,.4);
    --shadow-color-sm: rgba(0,0,0,.25);
    --muted-bg: #0f172a;
    --danger-light-bg: rgba(248,113,113,0.12);
    --calendar-icon-filter: invert(1);
    --topbar-bg-active: #1e293b;

    --dialog-bg: #1f2937; 
    --dialog-text: #f3f4f6;
    --input-bg: #374151;
    --input-border: #4b5563;
    --input-text: #f3f4f6;
    --btn-cancel-bg: #4b5563;
    --btn-cancel-text: #f3f4f6;
}

/* ==========================================================================
   2. RESET E GERAL
   ========================================================================== */
* {
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    -webkit-tap-highlight-color: transparent; /* Remove brilho de toque no mobile */
}

html, body {
    margin: 0;
    padding: 0;
    overscroll-behavior-y: none; /* Impede pull-to-refresh e bounce */
}

body {
    background: var(--bg-color);
    color: var(--text-main);
    transition: background 0.3s, color 0.3s;
    line-height: 1.5;
}

.hidden { display: none !important; }

.sr-only { /* Acessibilidade: esconde visualmente mas mantém para leitores */
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* ==========================================================================
   3. LAYOUT E ESTRUTURA
   ========================================================================== */
.container {
    padding: 1rem;
    max-width: 600px;
    margin: auto;
    padding-bottom: 6rem; /* Espaço para botões de ação fixos se houver */
}

.topbar {
    background: var(--topbar-bg);
    color: var(--topbar-text);
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 50;
}

.topbar h1 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
}

/* ==========================================================================
   4. TELA DE LOGIN
   ========================================================================== */
.login-screen {
    height: 100dvh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
}

.login-card h1 {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 0.5rem;
}

.login-card p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

/* ==========================================================================
   5. COMPONENTES DE FORMULÁRIO
   ========================================================================== */
.month-bar { margin-bottom: 1.5rem; }

.month-bar input[type="month"] {
    width: 100%;
    padding: 0.8rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-main);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    appearance: none;
    -webkit-appearance: none;
    min-height: 48px;
    box-shadow: inset 0 2px 4px var(--shadow-color-sm);
}

input[type="month"]::-webkit-calendar-picker-indicator {
    filter: var(--calendar-icon-filter);
}

input, select, textarea { font-size: 16px !important; }

/* ==========================================================================
   6. CARDS DE RESUMO
   ========================================================================== */
.summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.summary-card {
    background: var(--card-bg);
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: 0 4px 12px var(--shadow-color);
}

.summary-card span {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.currency-value {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin-top: 0.4rem;
}

.currency-value .symbol {
    font-size: 0.85rem;
    font-weight: 600;
    opacity: 0.7;
}

.currency-value span:last-child {
    font-size: 1.3rem;
    font-weight: 700;
}

.income .currency-value { color: var(--success); }
.expense .currency-value { color: var(--danger); }
.balance .currency-value { color: var(--primary); }

/* ==========================================================================
   7. LISTAS E ITENS
   ========================================================================== */
.list-group h2 {
    font-size: 1.1rem;
    margin: 1.5rem 0 0.8rem;
    color: var(--text-main);
}

.mobile-list {
    list-style: none;
    padding: 0;
}

.mobile-list li {
    background: var(--card-bg);
    padding: 1rem;
    border-radius: 14px;
    margin-bottom: 0.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 6px var(--shadow-color-sm);
}

.mobile-list li .info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.mobile-list li .info strong { font-size: 1rem; }
.mobile-list li .type { font-size: 0.75rem; color: var(--text-secondary); }

/* ==========================================================================
   8. BOTÕES E AÇÕES
   ========================================================================== */
.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn:active { transform: scale(0.97); filter: brightness(0.9); }

.btn.primary.full {
    background: var(--topbar-bg);
    color: var(--on-primary);
    height: 56px;
    border-radius: 16px;
    width: 100%;
}

.actions { display: flex; gap: 0.8rem; margin: 1rem 0; }

.btn-fab {
    flex: 1;
    min-height: 52px;
    border-radius: 14px;
    border: none;
    color: white;
    font-size: 1.2rem;
    font-weight: bold;
}

.success { background: var(--success); }
.danger { background: var(--danger); }

/* ==========================================================================
   9. BOTTOM SHEET E MODAIS
   ========================================================================== */
.overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: var(--overlay-bg);
    backdrop-filter: blur(2px);
    z-index: 100;
}

.bottom-sheet {
    position: fixed;
    bottom: 0; left: 0; width: 100%;
    background: var(--card-bg);
    border-radius: 24px 24px 0 0;
    padding: 1.5rem;
    z-index: 101;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.bottom-sheet.hidden { transform: translateY(100%); display: block !important; }

.sheet-handle {
    width: 40px; height: 5px; background: var(--border-color);
    border-radius: 10px; margin: -0.5rem auto 1.5rem;
}

.btn-sheet {
    width: 100%;
    display: flex; align-items: center; padding: 1rem;
    border: none; border-radius: 12px; margin-bottom: 0.5rem;
    font-size: 1rem; font-weight: 600; gap: 1rem;
}

.btn-sheet.secondary { background: var(--muted-bg); color: var(--text-main); }
.btn-sheet.danger-light { background: var(--danger-light-bg); color: var(--danger); }

/* 1. Defina as variáveis do modal no escopo principal e no dark-theme */
:root {
    --dialog-bg: #ffffff;
    --dialog-text: #333333;
    --input-bg: #ffffff;
    --input-border: #cccccc;
    --input-text: #333333;
    --btn-cancel-bg: #e0e0e0;
    --btn-cancel-text: #333333;
}

body.dark-theme {
    /* Tons de cinza baseados no seu meta theme-color #111827 */
    --dialog-bg: #1f2937; 
    --dialog-text: #f3f4f6;
    --input-bg: #374151;
    --input-border: #4b5563;
    --input-text: #f3f4f6;
    --btn-cancel-bg: #4b5563;
    --btn-cancel-text: #f3f4f6;
}

/* 2. Atualize as classes para usar as variáveis */
.custom-dialog {
    border: none;
    border-radius: 12px;
    padding: 24px;
    width: 90%;
    max-width: 400px;
    background: var(--dialog-bg);
    color: var(--dialog-text);
    box-shadow: 0 10px 25px rgba(0,0,0,0.5); /* Sombra levemente mais forte */
}

/* Fundo escuro atrás do modal */
.custom-dialog::backdrop {
    background: rgba(0, 0, 0, 0.7); /* Fundo um pouco mais opaco pro dark mode */
    backdrop-filter: blur(3px);
}

.custom-dialog h3 {
    margin-top: 0;
    margin-bottom: 16px;
    font-size: 1.2rem;
}

/* Inputs adaptáveis ao tema */
.custom-dialog input[type="text"],
.custom-dialog input[type="number"] {
    width: 100%;
    padding: 12px;
    margin-bottom: 12px;
    background: var(--input-bg);
    color: var(--input-text);
    border: 1px solid var(--input-border);
    border-radius: 8px;
    box-sizing: border-box;
    outline: none;
    transition: border-color 0.3s ease;
}

.custom-dialog input[type="text"]:focus,
.custom-dialog input[type="number"]:focus {
    border-color: var(--success, #2ed573); /* Destaque ao clicar no input */
}

/* Estilo do checkbox adaptado */
.checkbox-container span {
    color: var(--dialog-text);
}

.dialog-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 20px;
}

.dialog-actions button {
    padding: 10px 16px;
    border: none;
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
    transition: filter 0.2s;
}

.dialog-actions button:active {
    filter: brightness(0.9);
}

.btn-cancel { 
    background: var(--btn-cancel-bg); 
    color: var(--btn-cancel-text); 
}
.btn-danger { background: var(--danger, #ff4757); color: white; }
.btn-success { background: var(--success, #2ed573); color: white; }