:root {
    --bg-main: #252a34;
    --bg-dark: #1b1f27;
    --card-bg: #ffffff;

    --accent: #52adc8;
    --accent-hover: #3e95af;

    --text-light: #ffffff;
    --text-dark: #252a34;
    --text-muted: #6f777d;

    --border: #d9d9d9;
}


/* ==================================================
   GLOBAL RESET
   ================================================== */

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}


/* ==================================================
   BODY
   ================================================== */

body {
    font-family: Arial, Helvetica, sans-serif;

    background: var(--bg-main);

    color: var(--text-light);

    width: 100vw;
    height: 100vh;

    overflow: hidden;
}


/* ==================================================
   PEPPER TABLET AREA
   ================================================== */

.tablet-screen {
    width: 100vw;
    height: 100vh;

    display: flex;

    justify-content: center;
    align-items: center;

    padding: 40px;
}


/* ==================================================
   GENERAL SCREEN
   ================================================== */

.screen {
    display: none;

    width: 100%;
    max-width: 1000px;

    background: var(--card-bg);

    color: var(--text-dark);

    padding: 50px;

    border-radius: 20px;

    box-shadow:
        0 8px 20px
        rgba(0, 0, 0, 0.25);

    text-align: center;
}


.screen.active {
    display: block;
}


/* ==================================================
   HEADINGS
   ================================================== */

h1 {
    font-size: 3.5rem;

    margin-bottom: 20px;
}


h2 {
    font-size: 2.3rem;

    margin-bottom: 30px;
}


p {
    font-size: 1.4rem;

    line-height: 1.5;
}


/* ==================================================
   QUESTION COUNTER
   ================================================== */

#question-count {
    color: var(--text-muted);

    margin-bottom: 20px;
}


/* ==================================================
   GENERAL BUTTONS
   ================================================== */

button {
    border: none;

    cursor: pointer;

    background: var(--accent);

    color: white;

    border-radius: 12px;

    padding: 20px 30px;

    margin: 10px;

    font-size: 1.4rem;

    font-weight: bold;
}


button:hover {
    background: var(--accent-hover);
}


/* ==================================================
   QUIZ ANSWERS
   ================================================== */

#answers {
    margin-top: 40px;

    display: grid;

    gap: 15px;
}


.answer-button {
    width: 100%;

    font-size: 1.5rem;

    padding: 22px;
}


/* ==================================================
   QR BOX
   ================================================== */

.qr-box {
    margin-top: 40px;

    border:
        2px solid
        var(--border);

    border-radius: 15px;

    padding: 25px;
}


.qr-placeholder {
    width: 200px;
    height: 200px;

    margin: 20px auto;

    background: #eeeeee;

    color: var(--text-muted);

    display: flex;

    justify-content: center;
    align-items: center;

    border-radius: 10px;

    font-weight: bold;
}


.qr-image {
    display: block;

    width: 200px;
    height: 200px;

    margin: 20px auto;

    object-fit: contain;

    border-radius: 10px;

    border:
        2px solid
        var(--border);
}


/* ==================================================
   PROJECT BUTTON CONTAINER
   ================================================== */

.projects-container {
    margin-top: 40px;

    display: grid;

    gap: 20px;
}


.project-button {
    width: 100%;

    font-size: 1.5rem;

    padding: 25px;
}


/* ==================================================
   BACK BUTTON
   ================================================== */

.back-button {
    margin-top: 30px;

    background: var(--text-muted);
}


/* ==================================================
   PLAYING SCREEN
   ================================================== */

#dance-playing-screen {
    max-width: 1000px;
}


#local-preview {
    width: 100%;

    margin-top: 15px;
}


/* ==================================================
   STANDARD REFRESHERS VIDEO CONTAINER
   ================================================== */

.refreshers-video-container {
    width: 100%;

    display: flex;

    flex-direction: column;

    align-items: center;

    justify-content: center;
}


/* ==================================================
   STANDARD REFRESHERS VIDEO
   ================================================== */

.refreshers-video {
    width: 100%;

    max-width: 700px;

    max-height: 340px;

    border-radius: 12px;

    object-fit: contain;

    background: #000000;
}


/* ==================================================
   PLAYING SCREEN LOGO / QR IMAGE
   ================================================== */

.dance-logo {
    width: 220px;

    max-width: 60%;

    margin: 15px auto;

    display: block;
}


/* ==================================================
   REFRESHERS FULL-SCREEN VIDEO MODE

   This is used for:
   - Bees
   - Surprise

   It gives the video much more of Pepper's tablet screen
   without stretching or cropping it.
   ================================================== */

#dance-playing-screen.refreshers-video-mode {
    width: 100%;

    max-width: 1100px;

    height:
        calc(100vh - 30px);

    max-height:
        calc(100vh - 30px);

    padding:
        15px 25px;

    overflow: hidden;
}


/* ==================================================
   SMALLER HEADING DURING VIDEO
   ================================================== */

#dance-playing-screen.refreshers-video-mode > h1 {
    font-size: 1.7rem;

    line-height: 1.1;

    margin:
        0 0 5px 0;
}


/* ==================================================
   HIDE NORMAL QR/LOGO DURING VIDEO
   ================================================== */

#dance-playing-screen.refreshers-video-mode #playing-logo {
    display: none;
}


/* ==================================================
   HIDE NORMAL MESSAGE DURING VIDEO
   ================================================== */

#dance-playing-screen.refreshers-video-mode #playing-message {
    display: none;
}


/* ==================================================
   VIDEO PREVIEW AREA
   ================================================== */

#dance-playing-screen.refreshers-video-mode #local-preview {
    width: 100%;

    height:
        calc(100vh - 145px);

    max-height:
        calc(100vh - 145px);

    margin: 0;

    padding: 0;

    overflow: hidden;
}


/* ==================================================
   FULL-SCREEN VIDEO CONTAINER
   ================================================== */

.refreshers-video-container {
    width: 100%;
    height: 100%;

    display: flex;

    flex-direction: column;

    justify-content: center;
    align-items: center;

    overflow: hidden;
}


/* ==================================================
   REFRESHERS VIDEO TITLE
   ================================================== */

.refreshers-video-title {
    flex:
        0 0 auto;

    font-size: 1.5rem;

    line-height: 1.1;

    margin:
        0 0 6px 0;
}


/* ==================================================
   REFRESHERS VIDEO

   object-fit: contain is important.

   It keeps the correct aspect ratio rather than stretching
   Bees or Surprise across Pepper's tablet.
   ================================================== */

.refreshers-video {
    display: block;

    flex:
        1 1 auto;

    width: 100%;

    height:
        calc(100% - 40px);

    min-height: 0;

    max-width: 100%;

    max-height:
        calc(100% - 40px);

    object-fit: contain;

    background: #000000;

    border-radius: 10px;
}


/* ==================================================
   BACK BUTTON DURING VIDEO
   ================================================== */

#dance-playing-screen.refreshers-video-mode .back-button {
    flex:
        0 0 auto;

    margin:
        6px 0 0 0;

    padding:
        10px 24px;

    font-size: 1.1rem;
}


/* ==================================================
   REFRESHERS SPEECH SCREEN
   ================================================== */

.refreshers-speech-container {
    padding: 20px;
}


.refreshers-speech-container h2 {
    margin-bottom: 15px;
}


/* ==================================================
   PEPPER TABLET HEIGHT ADJUSTMENTS

   Pepper's tablet is much wider than it is tall, so reducing
   padding and headings leaves considerably more room for the
   actual video.
   ================================================== */

@media screen and (max-height: 850px) {

    #dance-playing-screen.refreshers-video-mode {
        padding:
            10px 20px;
    }


    #dance-playing-screen.refreshers-video-mode > h1 {
        font-size: 1.4rem;
    }


    #dance-playing-screen.refreshers-video-mode #local-preview {
        height:
            calc(100vh - 115px);

        max-height:
            calc(100vh - 115px);
    }


    .refreshers-video-title {
        font-size: 1.25rem;

        margin-bottom: 4px;
    }


    #dance-playing-screen.refreshers-video-mode .back-button {
        padding:
            7px 20px;

        margin-top: 4px;

        font-size: 1rem;
    }
}