@font-face {
    font-family: "Outfit Regular";
    src: url("/static/fonts/Outfit-Regular.ttf") format("truetype");
    font-weight: 400;
}

:root {
    --white: #f0f0f0;
    --black: #221f1b;

    --grey-white: #c2c2c2;
    --grey-white-acc: #888888;

    --grey-dark: #333;
    --grey-dark-acc: #555555;

    --light-bg: var(--white);
    --dark-bg: var(--black);

    --text-color: var(--white);
    --text-color-black: var(--black);

    --copied-border: rgba(255, 255, 255, 0.6);
    --copied-pulse: rgba(255, 255, 255, 0.7);

    --font: "Outfit Regular", sans-serif;
}

/* --- Light Theme --- */
body.light-theme {
    --white: #221f1b;
    --black: #f0f0f0;

    --grey-white: #333;
    --grey-white-acc: #555555;

    --grey-dark: #c2c2c2;
    --grey-dark-acc: #888888;

    --light-bg: var(--white);
    --dark-bg: var(--black);

    --text-color: var(--white);
    --text-color-black: var(--black);

    --copied-border: rgba(0, 0, 0, 0.4);
    --copied-pulse: rgba(0, 0, 0, 0.5);
}

/* --- Reset & General Styles --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font);
    background-color: var(--dark-bg);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    min-height: 100dvh;
    padding-top: 60px;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* --- Header --- */
header {
    padding: 20px 20px;
    position: absolute;
    top: 0;
    width: 100%;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.5rem;
}

.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;

    &:hover {
        background-color: transparent;
    }
}

#dark-icon svg,
#light-icon svg {
    width: 24px;
    height: 24px;
    fill: var(--grey-dark-acc);

    &:hover {
        fill: var(--grey-white-acc);
        transition: fill 0.3s ease;
        scale: 110%;
    }
}

/* --- Elements --- */
button {
    background: linear-gradient(
        135deg,
        var(--grey-white-acc) 0%,
        var(--grey-white) 100%
    );
    color: var(--text-color-black);
    border: none;
    padding: clamp(0.8rem, 2vw, 1.2rem) clamp(1.5rem, 4vw, 2.5rem);
    border-radius: 10px;
    font-size: clamp(0.95rem, 2vw, 1.15rem);
    font-weight: 600;
    font-family: var(--font);
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);

    &:hover {
        background: linear-gradient(
            135deg,
            var(--grey-white) 0%,
            var(--grey-white-acc) 100%
        );
        transform: translateY(-2px);
        box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
    }

    &:active {
        transform: translateY(0);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }
}

h1 {
    font-size: clamp(1.5rem, 6vw, 2.5rem);
    text-align: center;
    word-break: break-word;
}

/* --- Palette Section --- */
.palette-generator-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(1rem, 3vw, 2rem);
    margin-bottom: 60px;
    padding: clamp(1rem, 5vw, 2rem);
    width: 98vw;
    max-width: 1400px;
    height: clamp(400px, 80vh, 800px);
}

/* --- Controls Section --- */
.controls {
    display: flex;
    flex-wrap: wrap;
    gap: clamp(1rem, 4vw, 1.5rem);
    width: 100%;
    max-width: 1000px;
    justify-content: center;
    background: linear-gradient(
        135deg,
        var(--grey-dark) 0%,
        var(--grey-dark-acc) 100%
    );
    padding: clamp(1.5rem, 4vw, 2rem);
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.separator {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    flex: 1 1 clamp(140px, 22vw, 280px);
    min-width: 140px;
}

.separator label {
    font-size: clamp(0.85rem, 1.8vw, 1rem);
    font-weight: 600;
    color: var(--text-color);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.separator input,
.separator select {
    padding: clamp(0.65rem, 2vw, 0.85rem);
    font-size: clamp(0.875rem, 2vw, 1rem);
    background-color: var(--light-bg);
    color: var(--text-color-black);
    border: 2px solid transparent;
    border-radius: 10px;
    font-family: var(--font);
    transition: all 0.3s ease;
    font-weight: 500;
}

.separator input::placeholder,
.separator select::placeholder {
    color: var(--grey-white-acc);
}

.separator input:hover,
.separator select:hover {
    border-color: var(--grey-white-acc);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.separator input:focus,
.separator select:focus {
    outline: none;
    border-color: var(--grey-white);
    box-shadow: 0 0 0 3px var(--grey-dark-acc);
}

#palette-container {
    display: grid;
    grid-template-columns: repeat(
        auto-fit,
        minmax(clamp(120px, 15vw, 220px), 1fr)
    );
    gap: clamp(1rem, 3vw, 1.5rem);
    width: 100%;
}

.color-swatch {
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1;
    border-radius: 12px;
    padding: clamp(0.75rem, 3vw, 1.25rem);
    font-size: clamp(0.875rem, 2vw, 1rem);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border: 2px solid transparent;
    position: relative;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    word-wrap: break-word;
    word-break: break-all;
}

.color-swatch:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
    border-color: rgba(255, 255, 255, 0.3);
}

.color-swatch:active {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.color-swatch.copied {
    border-color: var(--copied-border);
    animation: pulse 0.5s ease-out;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 var(--copied-pulse);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(0, 0, 0, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 0, 0, 0);
    }
}

/* --- Footer --- */
footer {
    padding: 20px 20px;
    position: fixed;
    bottom: 0;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    z-index: 1;
}

footer p {
    margin-bottom: 0;
    align-self: center;
    color: var(--grey-dark-acc);
}

.links {
    display: flex;
    gap: 1rem;
    padding: 0.5rem;
    justify-content: center;
}
.links a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}
.links svg {
    width: 24px;
    height: 24px;
    fill: var(--grey-dark-acc);
}
.links a:hover svg {
    fill: var(--grey-white-acc);
    transition: fill 0.3s ease;
    scale: 110%;
}
#kofi-ft {
    color: var(--grey-dark-acc);
    font-weight: bold;

    border: 2px solid var(--grey-dark-acc);
    padding: 6px 10px;
    border-radius: 8px;

    &:hover {
        color: var(--grey-white-acc);
        transition: color 0.3s ease;
        scale: 110%;
        border: 2px solid var(--grey-white-acc);
    }
}

/* --- Mobile Menu --- */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
    margin: 0;

    width: 40px;
    height: 44px;

    span {
        width: 24px;
        height: 3px;
        background-color: var(--grey-dark-acc);
        border-radius: 2px;
        transition: all 0.3s ease;
    }
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

.controls-menu {
    display: none;
    position: fixed;
    top: 74px;
    left: 0;
    right: 0;
    background: var(--dark-bg);
    padding: clamp(1.5rem, 4vw, 2rem);
    gap: clamp(1rem, 4vw, 1.5rem);
    flex-direction: column;
    z-index: 999;
    box-shadow: 0 15px 15px rgba(0, 0, 0, 0.3);
    animation: slideDown 0.3s ease-out;
}

.controls-menu.active {
    display: flex;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Media Queries --- */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .controls {
        display: none;
    }

    .controls-menu {
        max-width: 100%;
    }

    .separator {
        width: 100%;
        flex-basis: 100%;
    }

    .palette-generator-container {
        padding-top: 1rem;
    }

    body {
        padding-top: 60px;
    }

    #palette-container {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(auto-fit, 114px);
        gap: clamp(0.75rem, 2vw, 1rem);
    }

    .color-swatch {
        height: 114px;
        width: 100%;
    }
}

@media (max-width: 480px) {
    .palette-generator-container h1 {
        margin-top: 1rem;
    }

    #palette-container {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(auto-fit, 114px);
        gap: clamp(0.75rem, 2vw, 1rem);
    }

    .color-swatch {
        height: 114px;
        width: 100%;
    }

    button {
        width: 100%;
    }
}