/* =========================================
   PALETA PREMIUM & VARIAVEIS
   ========================================= */
   :root {
    --bg-color: #f8fafc;
    --surface: #ffffff;
    --header-bg: #0f172a;
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --success: #10b981;
    --success-hover: #059669;
    --warning: #f59e0b;
    --warning-hover: #d97706;
    --danger: #ef4444;
    --text-main: #334155;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --radius-md: 12px;
    --radius-lg: 16px;
}

/* =========================================
   RESET E BASE
   ========================================= */
* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
body { background-color: var(--bg-color); color: var(--text-main); height: 100vh; overflow: hidden; }
.hidden { display: none !important; }

/* ESTRUTURA PRINCIPAL */
.container-center { display: flex; flex-direction: column; align-items: center; justify-content: center; height: 100vh; background: var(--bg-color); width: 100%; position: absolute; top:0; left:0; z-index: 200; padding: 20px;}
.container { background-color: var(--surface); max-width: 600px; margin: 0 auto; height: 100%; display: flex; flex-direction: column; box-shadow: var(--shadow-lg); position: relative; }
.scroll-content { flex-grow: 1; overflow-y: auto; background: var(--bg-color); position: relative; }

/* CABEÇALHOS GLOBAIS */
.app-header { background: var(--header-bg); color: white; padding: 15px 20px; display: flex; align-items: center; justify-content: space-between; z-index: 20; flex-shrink: 0;}
.app-title { font-size: 15px; font-weight: 700; margin: 0; text-transform: uppercase; letter-spacing: 1.5px; text-align: center; flex: 1; color: #f8fafc;}
.btn-nav-top { background: transparent; border: none; color: white; padding: 8px; cursor: pointer; display: flex; align-items: center; justify-content: center; border-radius: 8px; transition: background 0.2s;}
.btn-nav-top:active { background: rgba(255,255,255,0.1); }

/* HUB INICIAL */
.hub-header { text-align: center; margin-bottom: 30px; }
.hub-header h2 { color: var(--header-bg); font-weight: 800; letter-spacing: -0.5px; font-size: 28px;}
.hub-header p { color: var(--text-muted); font-size: 16px; margin-top: 5px;}

/* BOTÕES GLOBAIS */
button { font-family: inherit; transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1); cursor: pointer; outline: none; }
button:active { transform: scale(0.97); }

.btn-big { display: flex; align-items: center; justify-content: center; gap: 12px; padding: 18px 24px; font-size: 16px; margin-bottom: 15px; border-radius: var(--radius-lg); border: none; color: white; width: 100%; max-width: 320px; font-weight: 600; box-shadow: var(--shadow-md); }
.btn-primary { background: linear-gradient(135deg, var(--primary), #3b82f6); }
.btn-success { background: linear-gradient(135deg, var(--success), #34d399); }
.btn-warning { background: linear-gradient(135deg, var(--warning), #fbbf24); color: var(--header-bg) !important; }

/* INPUTS E FORMS */
input, select { width: 100%; padding: 14px 16px; margin-bottom: 12px; border: 1px solid var(--border-color); border-radius: var(--radius-md); font-size: 16px; background: var(--surface); color: var(--text-main); transition: border-color 0.2s, box-shadow 0.2s; }
input:focus, select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15); }
.row { display: flex; gap: 12px; }
.row input { flex: 2; }
.row select { flex: 1; }

/* MÓDULOS */
.master-module { display: none; flex-direction: column; min-height: 100%; }
.master-module.active { display: flex; }

/* LISTAS E CARTÕES */
.cards-container { display: flex; flex-direction: column; gap: 16px; padding: 20px; }
.card-lista { background: var(--surface); padding: 18px; border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); border: 1px solid var(--border-color); border-left: 6px solid var(--primary); display: flex; justify-content: space-between; align-items: center; transition: box-shadow 0.2s;}
.card-lista:active { box-shadow: var(--shadow-md); }
.card-info { flex: 1; }
.card-info h3 { font-size: 17px; margin-bottom: 4px; color: var(--text-main); font-weight: 700; }
.card-info span { font-size: 13px; color: var(--text-muted); font-weight: 500;}
.card-actions { display: flex; gap: 8px; }
.btn-card { width: 42px; height: 42px; border-radius: var(--radius-md); border: none; display: flex; align-items: center; justify-content: center; color: white; }
.btn-card.use { background-color: var(--success); width: auto; padding: 0 16px; font-weight: 600; font-size: 14px; gap: 6px;}
.btn-card.edit { background-color: var(--bg-color); color: var(--text-main); border: 1px solid var(--border-color); }
.btn-card.del { background-color: #fee2e2; color: var(--danger); }
.empty-msg { text-align: center; margin-top: 40px; color: var(--text-muted); font-size: 15px; font-weight: 500;}

/* FAB */
.fab { position: fixed; bottom: 30px; right: 20px; width: 64px; height: 64px; border-radius: 50%; box-shadow: var(--shadow-lg); z-index: 100; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--primary), #3b82f6); color: white; border: none; }

/* MENU CALCULADORAS */
.calc-menu-container { padding: 30px 20px; }
.calc-menu-container .subtitle { text-align: center; color: var(--text-muted); font-weight: 600; margin-bottom: 20px; text-transform: uppercase; font-size: 13px; letter-spacing: 1px;}
.btn-option { display: flex; align-items: center; justify-content: center; gap: 12px; padding: 20px; font-size: 16px; background: var(--surface); color: var(--primary); border: 2px solid var(--border-color); border-radius: var(--radius-lg); font-weight: 700; width: 100%; box-shadow: var(--shadow-sm);}
.btn-option:active { border-color: var(--primary); background: #eff6ff;}

/* CALCULADORA DE FITA (VISOR DARK MODE) */
.calc-total-box { background: var(--header-bg); padding: 25px 20px; text-align: center; flex-shrink: 0; z-index: 10; border-bottom: 1px solid rgba(255,255,255,0.1); box-shadow: inset 0 -10px 20px rgba(0,0,0,0.2);}
.calc-total-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 8px; font-weight: 600;}
.calc-total-value { font-size: 48px; font-weight: 800; color: var(--success); font-family: 'Courier New', Courier, monospace; text-shadow: 0 0 10px rgba(16, 185, 129, 0.3);}
.tape-container { background: var(--surface); flex-grow: 1; overflow-y: auto; padding: 20px; }
.tape-list { list-style: none; display: flex; flex-direction: column; justify-content: flex-end; min-height: 100%; }
.tape-item { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px dashed var(--border-color); font-size: 18px; font-family: 'Courier New', Courier, monospace; color: var(--text-main);}
.tape-item:last-child { font-weight: bold; background-color: var(--bg-color); border-radius: 8px; padding: 10px; margin-top: 5px; border: none;}
.tape-op { color: var(--primary); font-weight: bold; margin-right: 10px; }
.calc-controls-area { flex-shrink: 0; background-color: var(--surface); padding: 20px; border-top: 1px solid var(--border-color); box-shadow: 0 -4px 10px rgba(0,0,0,0.02);}
.calc-input-row { display: flex; gap: 12px; margin-bottom: 12px; }
.input-calc-big { font-size: 28px; padding: 15px; text-align: right; font-weight: 800; border: 2px solid var(--border-color); border-radius: var(--radius-md); height: 64px; margin: 0; color: var(--header-bg);}
.input-calc-big:focus { border-color: var(--primary); }
.btn-calc-action { height: 64px; font-size: 24px; font-weight: bold; border-radius: var(--radius-md); flex: 1; display: flex; align-items: center; justify-content: center; padding: 0; margin: 0; border: none;}
.btn-op-add { background-color: var(--bg-color); color: var(--success); border: 1px solid var(--border-color);}
.btn-op-sub { background-color: var(--bg-color); color: var(--danger); border: 1px solid var(--border-color);}
.btn-op-mul { background-color: var(--bg-color); color: var(--warning); border: 1px solid var(--border-color);}
.btn-op-div { background-color: var(--bg-color); color: var(--primary); border: 1px solid var(--border-color);}
.btn-calc-action:active { background-color: var(--border-color); }
.btn-op-clear { background-color: var(--bg-color); color: var(--text-main); margin-top: 8px; height: 54px; font-size: 15px; border: 1px solid var(--border-color); width: 100%;}

/* INTERFACE FORM E TABELAS */
.interface-form { padding: 20px; }
.input-title { font-weight: 800; font-size: 20px; border: none; border-bottom: 2px solid var(--border-color); border-radius: 0; padding: 10px 5px; background: transparent; margin-bottom: 20px;}
.input-title:focus { box-shadow: none; border-color: var(--primary); }
.premium-form { background: var(--surface); padding: 20px; border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); border: 1px solid var(--border-color); margin-bottom: 20px;}

.btn-action-primary { background: var(--primary); color: white; border-radius: var(--radius-md); padding: 16px; font-weight: 700; margin: 0;}
.total-bar { display: flex; justify-content: space-between; align-items: center; background: var(--header-bg); color: white; padding: 20px; border-radius: var(--radius-lg); margin-bottom: 20px; box-shadow: var(--shadow-md); }
.total-label { font-size: 14px; text-transform: uppercase; letter-spacing: 1px; color: var(--text-muted); font-weight: 600;}
.total-amount { font-size: 24px; font-weight: 800; color: var(--success); }

.tabela-scroll-container { width: 100%; border: 1px solid var(--border-color); border-radius: var(--radius-lg); margin-bottom: 20px; background: var(--surface); box-shadow: var(--shadow-sm); overflow: hidden;}
.tabela-header, .item-tabela { display: grid; gap: 4px; align-items: center; padding: 12px 8px; width: 100%; }
.tabela-header { background-color: var(--bg-color); color: var(--text-muted); font-weight: 700; text-transform: uppercase; font-size: 11px; text-align: center; border-bottom: 1px solid var(--border-color); letter-spacing: 0.5px;}
.item-tabela { border-bottom: 1px solid var(--border-color); font-size: 13px; text-align: center; }
.item-tabela:last-child { border-bottom: none; }
.item-tabela div { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.col-texto { text-align: left; padding-left: 4px; }
.col-num { text-align: center; font-weight: 500;}
.btn-mini-del { background: transparent; border: none; color: var(--danger); display: flex; justify-content: center; padding: 4px; border-radius: 6px;}
.btn-mini-del:active { background: #fee2e2; }

.actions-bar { display: flex; gap: 12px; }
.btn-action-success { flex: 1; display: flex; align-items: center; justify-content: center; gap: 8px; background: var(--success); color: white; font-weight: 700; border-radius: var(--radius-md); padding: 16px; margin: 0; border: none;}
.btn-action-danger { width: 60px; display: flex; align-items: center; justify-content: center; background: var(--bg-color); color: var(--danger); border: 1px solid var(--border-color); border-radius: var(--radius-md); margin: 0; padding: 0;}

/* CHECKLIST SUPERMERCADO */
.item-compra { background: var(--surface); padding: 16px; margin-bottom: 12px; border-radius: var(--radius-lg); border: 1px solid var(--border-color); box-shadow: var(--shadow-sm); display: flex; flex-direction: column; gap: 12px; transition: 0.2s ease;}
.item-compra.item-ativo { border-left: 6px solid var(--border-color); }
.item-compra.item-confirmado { border-left: 6px solid var(--success); background-color: #f0fdf4; border-color: #bbf7d0;}
.checklist-header { display: flex; gap: 10px; align-items: center; }
.input-marca-inline { border: none; border-bottom: 1px dashed var(--text-muted); padding: 4px; width: 100%; font-size: 14px; background: transparent; margin:0; color: var(--text-main);}
.input-marca-inline:focus { border-color: var(--primary); box-shadow: none;}
.checklist-controls { display: grid; grid-template-columns: 1.2fr 1fr 0.2fr 1.2fr 1fr 45px; gap: 8px; align-items: center; }
.input-compact { padding: 0 4px !important; margin: 0 !important; font-size: 15px; text-align: center; height: 42px; border-radius: 8px; border: 1px solid var(--border-color); font-weight: 600;}
.select-compact { padding: 0 4px !important; margin: 0 !important; font-size: 13px; background-color: var(--bg-color); text-align: center; height: 42px; border-radius: 8px; border: 1px solid var(--border-color); font-weight: 600;}
.btn-confirmar { background: var(--success); color: white; border-radius: 8px; padding: 0 !important; margin: 0 !important; height: 42px; width: 100%; display: flex; align-items: center; justify-content: center; border: none;}
.btn-confirmar.desfazer { background: var(--bg-color); color: var(--text-main); border: 1px solid var(--border-color);}

@media (max-width: 400px) {
    .checklist-controls { grid-template-columns: 1fr 1fr; row-gap: 12px; }
    .checklist-controls .separator { display: none; }
    .btn-confirmar { grid-column: span 2; height: 48px; }
}

/* TOAST MENSAGENS */
.message { position: fixed; top: 20px; left: 50%; transform: translateX(-50%); background: var(--success); color: white; padding: 12px 24px; border-radius: 30px; font-weight: 700; font-size: 14px; z-index: 2000; box-shadow: var(--shadow-lg); text-align: center; width: auto; opacity: 0; transition: 0.3s; pointer-events: none;}
.message.show { opacity: 1; }