/* 
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Ficheiro: style.css
==========================================
*/
:root {
    --bg-color: #F8F9FA; --card-bg: #FFFFFF; --text-primary: #212529;
    --text-secondary: #6C757D; --primary-color: #2B3A4A; --primary-hover: #1A2533;
    --border-color: #DEE2E6; --google-blue: #4285F4; --nutrition-green: #198754;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: var(--bg-color); color: var(--text-primary); line-height: 1.6; padding: 20px; max-width: 800px; margin: 0 auto; }
header { text-align: center; margin-bottom: 20px; }
.container-box { background: var(--card-bg); padding: 30px; border-radius: 8px; border: 1px solid var(--border-color); margin-top: 20px; }
.btn-primary { width: 100%; padding: 12px; margin-top: 15px; background: var(--primary-color); color: #FFF; border: none; border-radius: 6px; font-weight: bold; cursor: pointer; transition: background 0.3s; }
.btn-primary:hover { background-color: var(--primary-hover); }
#btn-login-google { background-color: var(--google-blue); }
.inputs-inline { display: flex; gap: 15px; margin-bottom: 15px; }
.inputs-inline > div { flex: 1; }
.grid-medidas { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; margin-bottom: 15px; }
.grid-medidas label { font-size: 0.9rem; font-weight: 600; color: var(--text-secondary); }
input, select { width: 100%; padding: 10px; margin-top: 5px; border: 1px solid var(--border-color); border-radius: 4px; font-family: inherit;}
.input-full { margin-bottom: 15px; }
.alert-info { background-color: #E2E3E5; padding: 15px; border-radius: 6px; margin-bottom: 20px; font-weight: 600; color: #383D41; border-left: 4px solid var(--primary-color); font-size: 0.95rem; }
.alert-nutrition { background-color: #E8F5E9; padding: 15px; border-radius: 6px; margin-bottom: 20px; color: #1B5E20; border-left: 4px solid var(--nutrition-green); font-size: 0.95rem; }
.exercise-card { background-color: #F1F3F5; padding: 15px; border-radius: 8px; margin-bottom: 12px; border-left: 4px solid var(--primary-color); }
.exercise-card label { color: var(--primary-color); font-weight: bold; }
.tabs { display: flex; gap: 10px; margin-bottom: 20px; flex-wrap: wrap;}
.tab-btn { flex: 1; padding: 12px; background: var(--card-bg); border: 1px solid var(--border-color); border-radius: 6px; cursor: pointer; font-weight: bold; min-width: 100px; text-align: center;}
.tab-btn.active { background: var(--primary-color); color: #FFF; }
.btn-logout { background-color: #DC3545; color: white; flex: 0.3; }
.tab-content { display: none; background: var(--card-bg); padding: 20px; border-radius: 8px; border: 1px solid var(--border-color); }
.tab-content.active { display: block; }
.msg { margin-top: 10px; text-align: center; font-weight: bold; }
.success { color: var(--nutrition-green); } .error { color: #DC3545; }
.chart-container { position: relative; height: 40vh; width: 100%; margin-top: 20px; }