@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;700&display=swap');

body {
    font-family: 'Poppins', sans-serif;
    background-color: #e0e0e0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
}

.card {
    background-color: #2c2c2c;
    color: white;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    width: 380px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.logo { max-width: 200px; height: auto; margin-bottom: 15px; }
h2 { margin: 0; font-size: 40px; font-weight: 700; }
.status-text { font-size: 14px; color: #FFD700; font-weight: 700; min-height: 21px; margin: 15px 0 0 0; }
.footer-text { font-size: 12px; opacity: 0.9; margin-top: 25px; }
.stamps-container { position: relative; width: 316px; height: 234px; margin: 20px auto; }
.snake-path-svg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; }
.stamps-grid { display: grid; grid-template-columns: repeat(4, 1fr); grid-template-rows: repeat(3, 1fr); gap: 12px; height: 100%; position: relative; z-index: 1; }
.stamp { width: 70px; height: 70px; background-color: white; color: #333; border: 3px solid #dc143c; border-radius: 50%; display: flex; justify-content: center; align-items: center; font-size: 32px; font-weight: 700; transition: all 0.3s ease; box-sizing: border-box; }
.stamp.filled { background-color: #dc143c; border-color: #dc143c; background-image: url("data:image/svg+xml,%3Csvg fill='white' viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M12 17.27L18.18 21l-1.64-7.03L22 9.24l-7.19-.61L12 2 9.19 8.63 2 9.24l5.46 4.73L5.82 21z'/%3E%3C/svg%3E"); background-size: 65%; background-repeat: no-repeat; background-position: center; }
.stamp.reward { font-size: 48px; background-color: #444; color: #FFD700; border-color: #FFD700; }
.scan-button { background-color: #FFD700; color: #2c2c2c; font-weight: 700; border: none; border-radius: 12px; padding: 16px 30px; font-size: 18px; cursor: pointer; width: 100%; }

/* ZMĚNA: Styly pro celé rozhraní skeneru */
#scanner-ui-container {
    display: none; /* Na začátku skryté */
    margin: 20px 0;
}
#qr-reader {
    width: 100%;
    border: 2px solid #FFD700;
    border-radius: 10px;
    margin-bottom: 15px;
}
#daily-code-input {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #555;
    background-color: #333;
    color: white;
    font-size: 16px;
    text-align: center;
    margin-bottom: 10px;
    box-sizing: border-box;
}
#verify-button, #cancel-scan-button {
    width: 100%;
    padding: 12px;
    font-size: 16px;
    font-weight: 700;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    margin-top: 5px;
}
#verify-button {
    background-color: #34c759; /* Zelená */
    color: white;
}
#cancel-scan-button {
    background-color: #888; /* Šedá */
    color: white;
}