/*
    Experiment 2: Mathematical Application for Kids (Math Sprint Game)
    Author: Amey Thakur
    Batch: B3
    Roll No: 50
    Subject: Human Machine Interaction (CSL801)
    Date: 11/02/2022

    This CSS file defines the visual styling for the Math Sprint Game.
    It includes:
    1. Global Styles: Color variables, font definitions, and body layout.
    2. Container Styles: The main game card and its shadow effects.
    3. UI Elements: Buttons, radio inputs, and interactive components.
    4. Screen-Specific Styles: Custom layouts for Splash, Game, and Score pages.
    5. Responsive Design: Media queries for varying screen sizes (Laptops, Smartphones).
*/

/* Import Google Font 'Play' */
@import url('https://fonts.googleapis.com/css2?family=Play&display=swap');

/* Global Reset */
* {
    box-sizing: border-box;
}

/* CSS Variables for consistent theming */
:root {
    --primary-color: dodgerblue;
    --select-color: dodgerblue;
    --success: rgb(15, 158, 2);
    --danger: rgb(214, 23, 23);
}

/* Body Styling: Centered layout with background pattern */
body {
    margin: 0;
    font-family: 'Play', sans-serif;
    overflow: hidden;
    display: flex;
    justify-content: center;
    height: 100vh;
    background: #e8e8e8;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80' viewBox='0 0 80 80'%3E%3Cg fill='%23161616' fill-opacity='0.1'%3E%3Cpath fill-rule='evenodd' d='M11 0l5 20H6l5-20zm42 31a3 3 0 1 0 0-6 3 3 0 0 0 0 6zM0 72h40v4H0v-4zm0-8h31v4H0v-4zm20-16h20v4H20v-4zM0 56h40v4H0v-4zm63-25a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm10 0a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm10 0a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm-30 0a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm-28-8a5 5 0 0 0-10 0h10zm10 0a5 5 0 0 1-10 0h10zM56 5a5 5 0 0 0-10 0h10zm10 0a5 5 0 0 1-10 0h10zm-3 46a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm10 0a3 3 0 1 0 0-6 3 3 0 0 0 0 6zM21 0l5 20H16l5-20zm43 64v-4h-4v4h-4v4h4v4h4v-4h4v-4h-4zM36 13h4v4h-4v-4zm4 4h4v4h-4v-4zm-4 4h4v4h-4v-4zm8-8h4v4h-4v-4z'/%3E%3C/g%3E%3C/svg%3E");
}

/* Main Container for the Game UI */
.game-container {
    border: 1px solid black;
    box-shadow: 0 10px 20px -5px rgba(0, 0, 0, 0.5);
    width: 530px;
    height: 750px;
    position: relative;
    background: rgba(255, 255, 255, 0.5);
    user-select: none;
    margin-top: 100px;
}

/* Application Header */
.header {
    background: var(--primary-color);
    color: white;
    font-family: 'Play', sans-serif;
    font-size: 24px;
    text-shadow: 1px 2px 2px black;
    letter-spacing: 2px;
    height: 100px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.card {
    margin: 5px auto 10px;
    height: 600px;
}

/* Splash Page Styling -------------------- */
input[type="radio"] {
    opacity: 0;
    width: 100%;
    height: 75px;
    position: relative;
    top: -40px;
    cursor: pointer;
    z-index: 2;
}

.selection-container {
    position: relative;
    top: 65px;
}

.radio-container {
    width: 90%;
    height: 75px;
    margin: 25px;
    cursor: pointer;
    border: 2px solid black;
    border-radius: 5px;
}

label {
    position: relative;
    top: 20px;
    left: 20px;
    font-size: 30px;
}

.selected-label {
    background: var(--select-color);
    color: white;
}

.best-score {
    position: relative;
    top: -100px;
    left: 330px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
    font-size: 18px;
    max-width: fit-content;
}

.best-score span {
    margin: 0;
}

.best-score span:last-child {
    font-size: 24px;
}

.selection-footer {
    top: 134px;
}

/* Game Page Styling -------------------------- */
.height-240 {
    height: 240px;
    width: 100%;
}

.height-500 {
    height: 500px;
    width: 100%;
}

.item-container {
    height: 552px;
    overflow-y: scroll;
    position: relative;
    -ms-overflow-style: none; /* IE/Edge */
}

/* Hide scrollbar for Chrome/Safari/Opera */
.item-container::-webkit-scrollbar {
    display: none;
}

.item {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    height: 80px;
    margin: 0 50px;
    user-select: none;
}

.finished>h1 {
    opacity: 0.5;
}

/* Sticky Selection indicator */
.selected-item {
    background: var(--select-color);
    position: fixed;
    top: 443px;
    z-index: -1;
    width: 529px;
    height: 80px;
}

.item-footer,
.selection-footer {
    width: 100%;
    height: 90px;
    background: rgba(0, 0, 0, 1);
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.item-footer {
    top: 1px;
}

/* Button Styling */
button {
    cursor: pointer;
    height: 50px;
    border-radius: 5px;
    font-size: 25px;
    font-family: 'Play', sans-serif;
    color: white;
    border: none;
    outline: none;
}

button:hover {
    filter: brightness(110%);
}

button:active {
    transform: scale(0.99);
}

.wrong,
.right {
    width: 40%;
}

.wrong {
    background: var(--danger);
    margin-right: 25px;
}

.right {
    background: var(--success);
}

.start,
.play-again {
    width: 90%;
    background: var(--primary-color);
}

/* Countdown Page Styling ---------------------- */
.countdown {
    margin-top: 45%;
    font-size: 100px;
    text-align: center;
    user-select: none;
    cursor: pointer;
}

/* Score Page Styling ------------------------- */
.score-container {
    height: 600px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.score-footer {
    width: 100%;
    height: 90px;
    display: flex;
    justify-content: center;
    position: relative;
    top: -30px;
}

.title {
    font-size: 45px;
}

.final-time {
    font-size: 100px;
    margin: 0;
    color: var(--success);
}

.base-time {
    margin-top: 100px;
    margin-bottom: 0;
}

.penalty-time {
    color: var(--danger);
}

/* Media Queries for Responsiveness */

/* Laptop */
@media screen and (max-width: 1800px) {
    .game-container {
        margin-top: 35px;
    }

    .selected-item {
        top: 380px;
    }
}

/* Large Smartphone (Vertical) */
@media screen and (max-width: 500px) {
    .game-container {
        width: 100%;
        margin-top: 0;
        border: none;
    }

    .selected-item {
        top: 345px;
    }

    .header {
        font-size: 1.2rem;
    }

    .countdown {
        margin-top: 60%;
    }

    .selection-container {
        top: 100px;
    }

    .radio-container {
        width: 93%;
        margin: 15px;
    }

    label {
        font-size: 1.7rem;
    }

    .best-score {
        font-size: 1rem;
        left: 245px;
    }

    .selection-footer {
        top: 183px;
    }
}

/* iPhone specific adjustments */
@media screen and (max-width: 376px) {
    .best-score {
        left: 232px;
    }
}