:root {
            --primary-blue: rgb(13, 170, 222);
            --primary-purple: rgb(112, 70, 155);
            --dark-bg: #121212;
            --card-bg: #1e1e1e;
            --light-text: #f4f4f4;
            --gradient-main: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-purple) 100%);
            --border-color: #333;
        }

        body {
            font-family: 'Montserrat', sans-serif;
            background-color: var(--dark-bg);
            color: var(--light-text);
            margin: 0;
            padding: 0;
            min-height: 100vh;
        }

        /* NAGŁÓWEK */
        .header-bar {
            background: #000;
            padding: 20px;
            text-align: center;
            border-bottom: 2px solid var(--primary-purple);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .back-btn {
            color: #fff;
            text-decoration: none;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            opacity: 0.8;
            transition: opacity 0.3s;
        }
        .back-btn:hover { opacity: 1; color: var(--primary-blue); }
        .back-btn::before { content: "← "; margin-right: 5px; font-weight: bold; }

        /* KONTENER */
        .container {
            max-width: 900px;
            margin: 40px auto;
            padding: 20px;
        }

        /* EKRAN LOGOWANIA */
        #login-screen {
            text-align: center;
            background: var(--card-bg);
            padding: 60px 20px;
            border-radius: 20px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 40px rgba(0,0,0,0.5);
            max-width: 500px;
            margin: 50px auto;
        }
        .code-input {
            padding: 15px;
            font-size: 1.5rem;
            text-align: center;
            letter-spacing: 4px;
            width: 80%;
            margin: 20px 0;
            background: #0a0a0a;
            border: 2px solid #444;
            color: var(--primary-blue);
            border-radius: 10px;
            text-transform: uppercase;
            font-weight: bold;
        }
        .error-msg { color: #ff4444; display: none; margin-top: 10px; }

        /* ANKIETA */
        #survey-form-container {
            display: none;
            animation: slideUp 0.6s ease-out;
        }
        @keyframes slideUp { from { transform: translateY(50px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

        .form-section {
            background: var(--card-bg);
            padding: 30px;
            border-radius: 15px;
            margin-bottom: 30px;
            border: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }
        .form-section::before {
            content: '';
            position: absolute;
            left: 0; top: 0; bottom: 0;
            width: 4px;
            background: var(--gradient-main);
        }

        h1 { text-align: center; margin-bottom: 10px; font-weight: 800; font-size: 1.8rem; }
        .intro-text { text-align: center; color: #aaa; margin-bottom: 40px; font-size: 0.9rem; max-width: 700px; margin-left: auto; margin-right: auto; }
        
        h2 {
            color: var(--primary-blue);
            font-size: 1.2rem;
            margin-bottom: 25px;
            padding-bottom: 10px;
            border-bottom: 1px solid #333;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        h3 {
            color: #fff;
            font-size: 1rem;
            margin-top: 30px;
            margin-bottom: 15px;
            border-left: 3px solid var(--primary-purple);
            padding-left: 10px;
        }

        /* ELEMENTY FORMULARZA */
        .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
        .form-group { margin-bottom: 25px; }
        .full-width { grid-column: 1 / -1; }

        label {
            display: block;
            margin-bottom: 8px;
            color: #ccc;
            font-size: 0.9rem;
            font-weight: 600;
        }
        .label-desc { font-weight: normal; font-size: 0.8rem; color: #777; margin-left: 5px; }

        input, select, textarea {
            width: 100%;
            padding: 14px;
            background: #151515;
            border: 1px solid #333;
            border-radius: 8px;
            color: white;
            font-family: 'Montserrat', sans-serif;
            font-size: 0.95rem;
            transition: border-color 0.3s, box-shadow 0.3s;
            box-sizing: border-box;
        }
        input:focus, select:focus, textarea:focus {
            outline: none;
            border-color: var(--primary-blue);
            background: #1a1a1a;
            box-shadow: 0 0 10px rgba(13, 170, 222, 0.1);
        }

        /* --- KAFELKI --- */
        .selection-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); 
            gap: 12px;
        }
        .selection-grid.binary {
            grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)); 
        }
        
        .selection-card { 
            position: relative; 
            width: 100%;
            display: flex;
        }
        
        .selection-card input { 
            position: absolute; 
            opacity: 0; 
            cursor: pointer; 
            height: 0; 
            width: 0; 
        }
        
        .selection-card label {
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 12px 8px;
            background: #252525;
            border: 1px solid #333;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.2s;
            width: 100%;
            min-height: 55px; 
            font-weight: 500;
            font-size: 0.8rem; 
            line-height: 1.25; 
            word-wrap: break-word;
            overflow-wrap: anywhere;
            box-sizing: border-box;
        }

        .selection-card input:checked + label {
            background: rgba(13, 170, 222, 0.15);
            border-color: var(--primary-blue);
            color: #fff;
            box-shadow: 0 0 10px rgba(13, 170, 222, 0.2) inset;
        }

        /* PRZYCISK MAILOWY */
        .email-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 15px 30px;
            background: #252525;
            border: 2px solid var(--primary-blue);
            color: var(--primary-blue);
            border-radius: 10px;
            text-decoration: none;
            font-weight: bold;
            transition: all 0.3s;
            margin-top: 15px;
            width: 100%;
            box-sizing: border-box;
        }
        .email-btn:hover {
            background: var(--primary-blue);
            color: white;
            box-shadow: 0 0 15px rgba(13, 170, 222, 0.3);
        }
        .email-icon { font-size: 1.5rem; margin-right: 10px; }
        
        /* OŚWIADCZENIE */
        .disclaimer-box {
            background: rgba(13, 170, 222, 0.05);
            border: 1px solid var(--primary-blue);
            padding: 15px;
            border-radius: 8px;
            margin-bottom: 20px;
            font-size: 0.85rem;
            display: flex;
            gap: 15px;
            align-items: flex-start;
        }
        .disclaimer-box input {
            width: 20px;
            height: 20px;
            margin-top: 2px;
            cursor: pointer;
        }

        /* SUWAKI */
        input[type=range] { -webkit-appearance: none; width: 100%; background: transparent; padding: 0; margin: 15px 0; }
        input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; height: 20px; width: 20px; border-radius: 50%; background: var(--primary-blue); cursor: pointer; margin-top: -8px; }
        input[type=range]::-webkit-slider-runnable-track { width: 100%; height: 4px; cursor: pointer; background: #333; border-radius: 2px; }

        /* TABELA TRENINGOWA */
        .workout-row {
            display: grid;
            grid-template-columns: 100px 1fr 80px 80px 80px;
            gap: 10px;
            margin-bottom: 10px;
            align-items: center;
            background: #181818;
            padding: 10px;
            border-radius: 8px;
        }
        .workout-day { font-weight: bold; color: var(--primary-purple); }
        .workout-header {
            display: grid;
            grid-template-columns: 100px 1fr 80px 80px 80px;
            gap: 10px;
            margin-bottom: 10px;
            color: #888;
            font-size: 0.8rem;
            text-transform: uppercase;
        }

        .btn {
            display: block; width: 100%; padding: 20px; background: var(--gradient-main); color: white; border: none; border-radius: 50px;
            font-weight: 800; font-size: 1.1rem; cursor: pointer; text-transform: uppercase; letter-spacing: 1px; transition: transform 0.2s, box-shadow 0.2s;
            margin-top: 20px; margin-bottom: 40px;
        }
        .btn:hover { transform: translateY(-2px); box-shadow: 0 10px 25px rgba(13, 170, 222, 0.4); }

        @media (max-width: 768px) {
            .form-grid { grid-template-columns: 1fr; }
            .container { margin: 10px auto; padding: 10px; }
            .form-section { padding: 20px 15px; }
            .workout-header { display: none; }
            .workout-row { grid-template-columns: 1fr; gap: 5px; padding: 15px; }
            .workout-day { border-bottom: 1px solid #333; padding-bottom: 5px; margin-bottom: 5px; }
            .selection-grid { grid-template-columns: 1fr 1fr; }
        }
/* dodatki dla ankiety kompleksowej */
.range-wrap{display:flex;align-items:center;gap:15px;}
.range-val{min-width:34px;text-align:center;font-weight:800;color:var(--primary-blue);
    background:#151515;border:1px solid #333;border-radius:8px;padding:6px 4px;}
.section-note{font-size:0.85rem;color:#aaa;margin:-10px 0 20px;line-height:1.5;}