/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.3/css/all.min.css');

/* Root Variables */
:root {
    /* Radius */
    --main-radius: 5px;

    /* Spacing */
    --space-xxs: 4px;
    --space-xs: 8px;
    --space-sm: 12px;
    --space-md: 20px;
    --space-lg: 32px;
    --space-xl: 52px;
    --space-xxl: 84px;

    /* Colors */
    --main-background: #000000;
    --secondary-background: #191923;
    --main-lighter: #2A2A31;
    --main-text: #F4F4F5;
    --secondary-text: #A1A1AA;
    --hover-text: #FFFFFF;
    --hover-background: #3B3B46;
    --link-color: #3FA7D6;
    --link-underline: #D6D6D6;
    --input-background: #32323E;
    --input-border: #4A4A5C;
    --button-background: #4F46E5;

    /* Fonts */
    --font-main: 'Poppins', sans-serif;
    --font-size-base: clamp(14px, 16px, 18px);
    --font-size-lg: clamp(16px, 18px, 20px);
    --font-size-xl: clamp(28px, 32px, 36px);

    /* Padding & Margin */
    --main-padding: 16px;
    --main-margin: 8px;
}

/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-main);
    font-size: var(--font-size-base);
}

/* Body with animated gradient background */
body {
    background-color: var(--main-background);
    color: var(--main-text);
    max-height: 100vh;
    overflow: hidden;
}

/* ---------- Unordered List Styles ---------- */
ul {
    list-style: none; /* remove default bullets */
    margin: var(--space-sm) 0;
    padding: 0;
    background: var(--main-lighter);
    border-radius: var(--main-radius);
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--input-border);
}

/* each list item */
ul li {
    position: relative;
    color: var(--main-text);
    font-family: var(--font-main);
    font-size: var(--font-size-base);
    padding: var(--space-xs) 0 var(--space-xs) var(--space-lg);
    line-height: 1.5;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* custom bullet using a pseudo-element */
ul li::before {
    content: "•";
    position: absolute;
    left: var(--space-sm);
    color: var(--button-background);
    font-weight: 600;
    font-size: 1.2em;
    line-height: 1;
}

/* remove border from last item */
ul li:last-child {
    border-bottom: none;
}

/* hover effect for interactive lists */
ul li:hover {
    background: var(--hover-background);
    color: var(--hover-text);
    border-radius: var(--main-radius);
    transition: background 0.12s ease, color 0.12s ease;
}


/* HERO INTRO */
.hero {
    position: fixed;
    top: 0; left: 0;
    height: 130vh;
    width: 100%;
    background: linear-gradient(135deg, #ff007a, #ffcc00, #00e1ff, #7b00ff);
    background-size: 400% 400%;
    animation: gradientShift 12s ease infinite;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    z-index: 9999;
    overflow: hidden;
    padding: 30px;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 900;
    color: white;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.4);
    margin-bottom: 10px;
    opacity: 0;
    transform: translateY(40px);
    animation: fadeSlideIn 0.8s ease forwards;
}

.hero p {
    font-size: 1.5rem;
    color: #fff;
    margin-bottom: 30px;
    opacity: 0;
    transform: translateY(40px);
    animation: fadeSlideIn 0.8s ease forwards;
    animation-delay: 0.3s;
}

/* THREE INFO CARDS INSIDE HERO */
.hero .info-section {
    display: flex;
    gap: 20px;
    width: 100%;
    max-width: 1000px;
    justify-content: center;
    margin-top: 20px;
}

.hero .info-card {
    flex: 1;
    height: fit-content;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 20px;
    color: #fff;
    cursor: pointer;
    transition: flex 0.4s ease, transform 0.3s ease, box-shadow 0.3s ease;
    text-overflow: ellipsis;
    opacity: 0;
    transform: translateY(40px);
    animation: fadeSlideIn 0.8s ease forwards;
    transition: all 0.3s ease;
}

.hero .info-card:nth-child(1) { animation-delay: 0.6s; }
.hero .info-card:nth-child(2) { animation-delay: 0.9s; }
.hero .info-card:nth-child(3) { animation-delay: 1.2s; }

.hero .info-card:hover {
    scale: 1.05;
    transition: all 0.3s ease;
}

.hero .info-card h2 {
    margin-bottom: 10px;
    font-size: 1.3rem;
    font-weight: bold;
}

.hero .info-card p {
    font-size: 0.95rem;
    line-height: 1.4;
    text-align: justify;
    hyphens: auto;
    max-height: 70px;
    transition: max-height 0.4s ease;
}

.hero #what-changed {
    background: rgba(80, 80, 80, 0.1);
    border: 2px solid rgba(80, 80, 80, 0.2);
}

.hero #follow-bluesky {
    background: rgba(90, 113, 250, 0.1);
    border: 2px solid rgba(90, 113, 250, 0.2);
}

/* ANIMATIONS */
@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes fadeSlideIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile Layout */
@media (max-width: 768px) {
    .hero {
        padding: var(--space-md);
        gap: var(--space-md);
    }

    .hero .info-cards {
        flex-direction: column;
        align-items: center;
        overflow-y: auto;
        max-height: 60vh; /* scrollable column */
    }

    .hero .info-cards > div {
        width: 100%;
        flex: none;
    }

    .hero .info-cards > div:hover {
        flex: none; /* disable squish expand on mobile */
    }
}

/* Scrollbar Styles */
::-webkit-scrollbar {
    background-color: transparent;
    border-radius: var(--main-radius);
}

::-webkit-scrollbar-thumb {
    background-color: transparent;
    border: 1px solid var(--input-border);
    border-radius: var(--main-radius);
    cursor: pointer;
}

/* Cookie Consent Banner */
#cookie-consent-banner {
    background-color: #333 !important;
    color: white !important;
    padding: 10px !important;
    text-align: center !important;
    position: fixed !important; 
    bottom: 0 !important;
    width: 100% !important;
    display: none;
    z-index: 99999 !important;
}

#accept-cookies {
    background-color: #ffd700 !important;
    color: #333 !important;
    padding: 5px 10px !important;
}

#decline-cookies {
    background-color: #ff0000 !important;
    color: #333 !important;
    padding: 5px 10px !important;
}

/* Container Styles */
.container {
    display: grid;
    height: 100svh;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: 0.4fr 3fr 0.4fr;
    grid-template-areas:
        "nav nav nav nav"
        "sidebar main main main"
        "version footer footer footer";
    grid-gap: var(--main-margin);
}

.container>*:not(main) {
    border-radius: var(--main-radius);
    padding: var(--main-padding);
    background-color: var(--secondary-background);
}

/* Button Styles */
button {
    padding: var(--space-xs) var(--space-md);
    border: none;
    border-radius: var(--main-radius);
    background-color: var(--main-text);
    color: var(--main-background);
    font-size: var(--font-size-lg);
    cursor: pointer;
    transition: all 0.2s ease-in;
}

button:hover {
    background-color: var(--hover-background);
    color: var(--hover-text);
}

/* Text Styles */
.bold {
    font-weight: bold;
}

a {
    position: relative;
    color: var(--link-color);
    text-decoration: none;
    font-weight: 500;
}

a::before {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    width: 0;
    height: 1px;
    background-color: currentColor;
    transition: width 0.2s;
}

a:not(.logo):hover::before {
    width: 100%;
}


/* Nav Section Styles */
nav {
    grid-area: nav;
    background-color: var(--button-background);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    z-index: 1000;
    padding: 0 var(--main-padding);
}

nav a.logo {
    color: var(--main-text);
    font-size: var(--font-size-xl);
    margin: 0 20%;
    font-weight: bold;
    margin-right: auto;
    cursor: pointer;
}

nav ul {
    list-style: none;           /* remove bullets */
    margin: 0;
    padding: 0;
    display: flex;              /* flex layout for nav items */
    flex-direction: row;
    align-items: center;
    background: none;
    border: none;
}

nav ul li {
    margin: 0 var(--space-xs);
    padding: 0;
    border: none;
    background: none;
}

/* remove any pseudo-element bullets from nav items */
nav ul li::before {
    content: "";
}

/* hover effect for nav items */
nav ul li:hover {
    background: none;
}

/* links inside nav items */
nav ul li a {
    color: var(--main-text);
    font-size: 17px;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--main-radius);
    transition: background-color 0.5s;
}

/* active / hover state for links */
nav ul li a.active,
nav ul li a:hover {
    background-color: var(--hover-background);
    color: var(--hover-text);
}

.checkbtn {
    color: var(--main-text);
    cursor: pointer;
    display: none;
}

#check {
    display: none;
}

@media (max-width: 890px) {
    .checkbtn {
        display: block;
    }

    nav ul {
        position: fixed;
        width: 70%;
        height: 100vh;
        background-color: var(--main-lighter);
        top: 80px;
        right: -100%; /* Initially hidden */
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: right 0.5s;
        z-index: 1000;
    }

    #check:checked ~ ul {
        right: 0; /* Moves into view */
    }
    
    nav ul li {
        margin: var(--space-md) 0;
    }

    nav ul li a {
        font-size: 20px;
    }

    nav ul li a.active,
    nav ul li a:hover {
        background-color: transparent;
        color: var(--link-color);
    }
}

@media screen and (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        right: 0;
        background-color: var(--secondary-background);
    }

    .nav-links li {
        padding: var(--space-md) 0;
        border-top: 1px solid var(--main-text);
    }

    .menu-toggle {
        display: block;
    }
}

/* Sidebar Section Styles */
#sidebar {
    grid-area: sidebar;
}

#sidebar .tool-tag {
    display: block;
    color: var(--main-text);
    text-decoration: none;
    background-color: var(--main-lighter);
    border-radius: var(--main-radius);
    padding: var(--main-padding);
    margin: var(--space-xs) 0;
}

#sidebar h3 {
    font-weight: 400;
}

/* Version Section Styles */
#version {
    grid-area: version;
    display: flex;
    justify-content: center;
    align-items: center;
}

.version-tag {
    display: flex;
    width: 100%;
    justify-content: center;
    align-items: center;
    background-color: var(--main-lighter);
    color: var(--secondary-text);
    font-size: var(--font-size-base);
    border-radius: var(--main-radius);
    padding: var(--main-padding);
    margin: var(--main-margin);
}

/* Main Section Styles */
main {
    grid-area: main;
    overflow-x: hidden;
    overflow-y: scroll;
    background: linear-gradient(180deg, var(--main-background) 0%, var(--secondary-background) 100%);
    padding: var(--main-padding);
    display: flex;
    justify-content: center;
}

main .heading {
    width: min(1200px, 100%);
    height: fit-content;
    margin: var(--main-margin) auto;
    padding: calc(var(--main-padding) * 1.25);
    border-radius: var(--main-radius);
    background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
    box-shadow: 0 6px 18px rgba(0,0,0,0.45);
}

main .heading h1 {
    font-size: var(--font-size-xl);
    margin: 0 0 var(--space-sm) 0;
    color: var(--main-text);
    letter-spacing: 0.2px;
}

main h2 {
    font-size: var(--font-size-lg);
    color: var(--main-text);
    margin-top: var(--space-lg);
    margin-bottom: var(--space-sm);
}

main .heading p {
    color: var(--secondary-text);
    line-height: 1.45;
    font-size: var(--font-size-base);
    margin: 0 0 var(--space-md) 0;
}

main label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    margin-top: var(--space-sm);
    margin-bottom: var(--space-sm);
}

main input[type="text"],
main input[type="number"],
main input[type="email"],
main input[type="file"],
select {
    flex-grow: 1;
    max-width: 100%;
    padding: var(--space-xs);
    border-radius: var(--main-radius);
    border: 1px solid var(--input-border);
    background-color: var(--input-background);
    color: var(--main-text);
    margin-left: var(--space-xs);
}

main label span {
    white-space: nowrap;
    margin-right: var(--space-xs);
}

/* Tool Container Styles */
.tool-container {
    display: flex;
    flex-direction: column;
    border-radius: var(--main-radius);
    padding: var(--main-padding);
    margin-bottom: var(--space-md);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.tool-container h3 {
    font-size: var(--font-size-lg);
    color: var(--main-text);
    margin-bottom: var(--space-sm);
}

.tool-container p {
    color: var(--secondary-text);
    margin-bottom: var(--space-sm);
    line-height: 1.5;
}

/* Footer Section Styles */
footer {
    grid-area: footer;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0;
    color: var(--secondary-text);
    background-color: #f8f9fa;
    font-size: clamp(5px, 10px, 15px);
    line-height: 1.4;
    overflow-y: hidden;
    height: 100%;
}

footer .footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    text-align: left;
    align-items: center; /* Center elements vertically */
}

footer p {
    flex: 1;
    margin: 0 10px;
    font-size: inherit;
}

/* Small Screen Styles */
.small-screen {
    display: none;
}

/* Media Queries */
@media only screen and (max-width: 650px) {
    .container { 
        grid-template-columns: 1fr;
        grid-template-rows: 0.4fr 0.6fr 5.2fr 0.4fr;
        grid-template-areas:
            "nav"
            "sidebar"
            "main"
            "footer";
    }

    main .heading {
        margin: 0 2%;
    }

    #sidebar {
        display: flex;
        overflow-x: auto;
        grid-area: sidebar;
        padding: 0 var(--main-padding);
    }

    #sidebar h2 {
        display: none;
    }

    #sidebar h3 {
        font-size: .8em;
    }

    #sidebar .tool-tag {
        display: flex;
        flex: 0 0 auto;
        font-size: 14px;
        text-align: center;
        justify-content: center;
        align-items: center;
        margin-right: var(--main-margin);
        width: 30%;
    }

    #sidebar::-webkit-scrollbar {
        display: none;
    }

    #sidebar {
        -ms-overflow-style: none;  /* IE and Edge */
        scrollbar-width: none;  /* Firefox */
    }

    #version {
        display: none;
    } 

    .container>* {
        border-radius: 0;
    }

    a.logo {
        margin: 0;
    }

    .big-screen {
        display: none;
    }

    .small-screen {
        display: block;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        font-size: clamp(10px, 2vw, 20px);
    }
}

@media (max-width: 50rem) {
    main label {
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
    }

    main input[type="text"],
    main input[type="number"],
    select {
        width: 100%;
        flex-basis: 100%;
        margin-left: 0;
    }

    main label span {
        margin-bottom: var(--space-xs);
    }
}