/* === Font === */
@font-face {
    font-family: "Scramble";
    src: url("./src/scramble-font/Scramble-KVBe.ttf") format("truetype");
    font-weight: normal;
    font-style: normal;
}

/* === Theme Variables === */
:root {
    --page-bg: #F8F5F2;
    --container-bg: #FFFFFF;
    --text-primary: #2c3e50;
    --text-secondary: #5a6875;
    --text-tertiary: #8a96a1;
    --border-color: #dcdcdc;
    --border-color-strong: #b0b0b0;
    --input-bg: #fdf6e3;
    --input-dropdown-hover-bg: #f2e6c7;
    --input-bg-secondary: #FFFFFF;
    --button-bg: #8ab4f8;
    --button-bg-hover: #6a9ef5;
    --button-text: #103950;
    --reset-btn-bg: #e2e2e2;
    --reset-btn-text: #555;
    --reset-btn-hover-bg: #d6d6d6;
    --reset-btn-hover-text: #333;
    --result-tile-bg: #f1f5f9;
    --toggle-btn-bg: #e9eef2;
    --shadow-color: rgba(0, 0, 0, 0.08);
    --shadow-color-strong: rgba(0, 0, 0, 0.12);
    --wild-card-color: #d49100;
    --main-font: 'M PLUS Rounded 1c', sans-serif;
    /* Font weights */
    --font-thin: 100;
    --font-light: 300;
    --font-regular: 400;
    --font-medium: 500;
    --font-bold: 700;
    --font-extra-bold: 800;
    --font-black: 900;
}

[data-theme="dark"] {
    --page-bg: #202124;
    --container-bg: #2d2e30;
    --text-primary: #e8eaed;
    --text-secondary: #bdc1c6;
    --text-tertiary: #969ba1;
    --border-color: #5f6368;
    --border-color-strong: #8e9399;
    --input-bg: #3c4043;
    --input-dropdown-hover-bg: #3b3b3b;
    --input-bg-secondary: #3c4043;
    --button-bg: #2c5b8a;
    --button-bg-hover: #396da0;
    --button-text: #e8eaed;
    --reset-btn-bg: #444;
    --reset-btn-text: #ccc;
    --reset-btn-hover-bg: #555;
    --reset-btn-hover-text: #fff;
    --result-tile-bg: #3c4043;
    --toggle-btn-bg: #3c4043;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --shadow-color-strong: rgba(0, 0, 0, 0.4);
    --wild-card-color: #F59300;
}

body {
    font-family: var(--main-font);
    font-weight: var(--font-regular);
    font-size: 1.2em;
    background-color: var(--page-bg);
    color: var(--text-primary);
    margin: 0;
    padding: 20px;
}

body::after {
    content: "";
    display: block;
    height: 80px;
}

/* === HEADER BAR === */
#headerBar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--container-bg);
    padding: 10px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

/* === BUTTONS === */
#menuToggle,
#themeToggle,
#closeMenu {
    background: none;
    border: none;
    font-size: 1.6rem;
    cursor: pointer;
    color: var(--text-primary);
}

/* === SIDE MENU === */
#sideMenu {
    position: fixed;
    top: 0;
    left: -250px;
    /* safely hides the full width */
    height: 100%;
    width: 200px;
    background-color: var(--container-bg);
    box-shadow: 2px 0 10px var(--shadow-color-strong);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: left 0.3s ease;
    z-index: 999;
}

#sideMenu.open {
    left: 0;
}

#sideMenu a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: var(--font-bold);
    padding: 6px 0;
    border-bottom: 1px solid var(--border-color);
    transition: color 0.3s;
}

#sideMenu a:hover {
    color: var(--wild-card-color);
}

#closeMenu {
    align-self: flex-end;
    font-size: 1.2rem;
    margin-bottom: 10px;
}

#introText {
    text-align: center;
    margin: 0 auto;
    padding-bottom: 20px;
    font-size: 0.8em;
}

.container,
footer {
    max-width: 700px;
    margin: 0 auto;
    background-color: var(--container-bg);
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 10px 30px var(--shadow-color);
    border: 2px solid var(--border-color);
}

.container {
    margin-top: 80px;
    /* Adjust depending on the height of your headerBar */
}

/* === LOGO === */
.scrabble-logo-wrapper {
    display: flex;
    justify-content: center;
    padding: 1rem;
}

.scrabble-hero-grid {
    display: grid;
    grid-template-columns: repeat(9, 1fr);
    grid-template-rows: repeat(6, 1fr);
    gap: 2px;
    inline-size: fit-content;
    max-width: 580px;
    width: 100%;
    margin: 0 auto;
    padding: 8px;
    transform: translateX(-20px);
    border-radius: 12px;
}

/* --- Desktop Tile Positioning --- */
/* Hide the second 'L' tile on desktop by default */
.tile.tile-l2 {
    display: none;
}

/* Place SCRABBLE letters */
.tile-s {
    grid-area: 3 / 1;
}

.tile-c {
    grid-area: 3 / 2;
}

.tile-r1 {
    grid-area: 3 / 3;
}

.tile-a {
    grid-area: 3 / 4;
}

.tile-b1 {
    grid-area: 3 / 5;
}

.tile-b2 {
    grid-area: 3 / 6;
}

.tile-l1 {
    grid-area: 3 / 7;
}

/* This is the shared L */
.tile-e1 {
    grid-area: 3 / 8;
}

/* Place HELPER letters */
.tile-h {
    grid-area: 1 / 7;
}

.tile-e2 {
    grid-area: 2 / 7;
}

.tile-p {
    grid-area: 4 / 7;
}

.tile-e3 {
    grid-area: 5 / 7;
}

.tile-r2 {
    grid-area: 6 / 7;
}

.tile {
    height: 52px;
    width: 57px;
    font-family: "Scramble", sans-serif;
    font-weight: var(--font-bold);
    font-size: clamp(3.6rem, 4vw, 4rem);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    padding: 4px;
    transform: translateX(10px);
}

.tile.shared {
    color: var(--wild-card-color);
}

.tile.empty {
    background-color: transparent;
    box-shadow: none;
}


h1 {
    text-align: center;
    font-size: 2.5em;
    color: var(--text-primary);
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.filters {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.scrabble-input,
input[type="text"] {
    letter-spacing: 4px;
}

.scrabble-input,
input[type="text"],
input[type="number"],
input[type="range"],
select,
.position-inputs input {
    background-color: var(--input-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    box-shadow: inset 0 1px 3px var(--shadow-color);
    padding: 12px;
    font-size: 1.2em;
    border-radius: 8px;
    width: 100%;
    box-sizing: border-box;
}

.scrabble-input::placeholder,
.position-inputs input::placeholder {
    font-size: 1rem;
}

/* Range slider START */

#lengthRangeContainer {
    padding-top: 40px;
    margin: 20px 30px 30px 30px;
}

/* === Custom noUiSlider Styling === */

/* Center the entire slider wrapper */
.slider-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Slider bar */
#lengthRange .noUi-target {
    background: var(--border-color);
    border-radius: 10px;
    height: 10px;
    box-shadow: inset 0 1px 2px var(--shadow-color);
    border: 1px solid var(--border-color-strong);
    margin: 0.5rem 0;
    width: 100%;
    max-width: 300px;
}

#lengthRange .noUi-connect {
    background: var(--wild-card-color);
}

#lengthRange .noUi-tooltip {
    background: var(--result-tile-bg);
    border: 2px solid var(--border-color-strong);
    color: var(--text-primary);
    font-weight: var(--font-bold);
    font-size: 14px;
    border-radius: 6px;
    padding: 4px 8px;
    box-shadow: 1px 2px 4px var(--shadow-color);
    transform: translate(-50%, -10%);
    bottom: 110%;
}

#lengthRange .noUi-handle {
    width: 32px;
    height: 32px;
    background: var(--result-tile-bg);
    /* tile background */
    border: 2px solid var(--border-color-strong);
    border-radius: 6px;
    box-shadow: 0 2px 4px var(--shadow-color-strong);
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
}

/* Value display beneath the handle */
#lengthRange .noUi-handle::after {
    content: attr(aria-valuetext);
    position: absolute;
    top: 110%;
    /* pushes it below the handle */
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: var(--font-bold);
    background: transparent;
    content: none;
}

/* Optional hover effect */
#lengthRange .noUi-handle:hover {
    background: var(--input-bg-secondary);
    border-color: var(--wild-card-color);
}

#lengthRange .noUi-pips {
    color: var(--text-tertiary);
}

#lengthRange .noUi-value-horizontal {
    transform: translateX(-50%) translateY(100%);
}

.slider-labels {
    display: none;
}

/* Range slider END */

button {
    padding: 12px;
    background-color: var(--button-bg);
    color: var(--button-text);
    font-weight: var(--font-bold);
    border: none;
    border-radius: 10px;
    font-size: 1.1em;
    cursor: pointer;
    transition: background 0.3s ease;
    box-shadow: 0 4px 10px var(--shadow-color);
    width: 100%;
    margin-top: 10px;
}

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

.reset-button {
    background-color: var(--reset-btn-bg);
    color: var(--reset-btn-text);
    border: 2px solid var(--border-color);
    font-weight: var(--font-bold);
    border-radius: 10px;
    padding: 12px;
    font-size: 1.1em;
    cursor: pointer;
    transition: background 0.3s ease, color 0.3s ease;
    width: 100%;
    margin-top: 10px;
}

.reset-button:hover {
    background-color: var(--reset-btn-hover-bg);
    color: var(--reset-btn-hover-text);
    border-color: var(--border-color-strong);
}

/* “Wipe” Animation (slide + fade) */

#formWrapper,
#resultsArea {
    transition: opacity 0.3s ease;
    opacity: 1;
}

.fade-out {
    opacity: 0;
    pointer-events: none;
}

@keyframes wipe-out {
    0% {
        opacity: 1;
        transform: translateY(0);
    }

    100% {
        opacity: 0;
        transform: translateY(40px);
    }
}

.wipe-out {
    animation: wipe-out 0.4s ease forwards;
}

.faIcon {
    margin-right: 6px;
}

.form-group {
    margin-bottom: 12px;
    border-top: 2px solid var(--border-color);
    padding-top: 20px;
}

.form-group:first-child {
    border-top: none;
    padding-top: 0;
    margin-top: 0;
}

.form-group:nth-child(3) {
    margin-bottom: 26px;
}

.section-label {
    font-size: 1.3rem;
    font-weight: var(--font-medium);
    color: var(--text-secondary);
}

#summaryLabel {
    margin-top: 10px;
}

#resultsHeader {
    margin-bottom: 8px;
}

#resultsInfo {
    transition: all 0.3s ease;
}

.divider-label {
    border: none;
    height: 1px;
    background-color: var(--border-color);
    margin: 30px 0 10px;
}

.results-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 20px;
    gap: 10px;
}

.results-count {
    font-weight: var(--font-medium);
    /* font-size: 1rem; */
    color: var(--text-primary);
}

.sort-dropdown label {
    font-weight: var(--font-medium);
    color: var(--text-secondary);
}

/* Parent container must be positioned relatively */
/* Dropdown container */
.sort-dropdown.dropdown {
    position: relative;
    width: 100%;
    max-width: 280px;
}

/* Toggle Button */
#dropdownToggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--input-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 14px;
    cursor: pointer;
}

/* Chevron icon rotation when open */
#dropdownToggle.open i {
    transform: rotate(180deg);
    transition: transform 0.3s ease;
}

#dropdownIcon {
    transition: transform 0.3s ease;
}

/* Dropdown Menu */
#dropdownMenu {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    z-index: 10;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 12px var(--shadow-color);
    display: none;
    padding: 4px 0;
}

#dropdownMenu.show {
    display: block;
    animation: dropdownFade 0.2s ease;
}

/* Dropdown items */
#dropdownMenu li {
    list-style: none;
    padding: 10px 16px;
    cursor: pointer;
    color: var(--text-primary);
    transition: background 0.2s ease;
}

#dropdownMenu li:hover {
    background-color: var(--input-dropdown-hover-bg);
}

#dropdownMenu li.selected {
    background-color: var(--highlight-bg);
    font-weight: var(--font-bold);
}

@keyframes dropdownFade {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }

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

#resultsAnchor {
    height: 1px;
    margin: 0;
    padding: 0;
}

.results-loader,
.loader {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1rem;
    margin: 20px 0;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.tile-loader {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 24px 0;
}

.flip-tile {
    width: 40px;
    height: 40px;
    /* background-color: var(--tile-bg, #f1e3c6);
    color: var(--tile-text, #333); */
    font-weight: var(--font-bold);
    font-family: 'Scramble', serif;
    font-size: 2.6em;
    padding: 6px;
    text-align: center;
    line-height: 40px;
    border-radius: 6px;
    transform-style: preserve-3d;
    animation: tileFlip 1.2s infinite;
    /* Slow each tile flip */
    animation-delay: calc(var(--i) * 0.26s);
    /* More space between flips. Was 0.15s */
    backface-visibility: hidden;
    perspective: 600px;
}

@media (max-width: 768px) {
    .flip-tile {
        font-size: 2.2em;
        width: 28px;
        height: 28px;
        line-height: 34px;
    }
}

@media (max-width: 480px) {
    .flip-tile {
        font-size: 1.8em;
        width: 23px;
        height: 23px;
        line-height: 30px;
    }
}

@keyframes tileFlip {

    0%,
    100% {
        transform: rotateX(0);
    }

    50% {
        transform: rotateX(180deg);
    }
}

#results {
    margin-top: 25px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

#results span {
    background-color: var(--result-tile-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 2px 6px var(--shadow-color);
    padding: 14px 10px;
    font-weight: var(--font-bold);
    color: var(--text-primary);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    opacity: 0;
    transform: translateY(10px);
    animation: fadeInUp 0.3s ease forwards;
}

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

#results small {
    font-size: 0.6em;
    color: var(--text-tertiary);
    padding-top: 10px;
}

#results .wildcard {
    color: var(--wild-card-color);
    padding: 0 4px;
    border-radius: 4px;
    background-color: transparent;
    text-decoration: underline dotted;
    text-underline-offset: 2px;
}

#results .high-score {
    color: var(--wild-card-color);
    font-weight: var(--font-medium);
}

.toggle-group {
    display: flex;
    gap: 10px;
    /* flex-wrap: wrap; */
}

.toggle-btn {
    flex: 1 1 30%;
    padding: 10px;
    background-color: var(--toggle-btn-bg);
    color: var(--button-text);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    font-weight: var(--font-bold);
    transition: all 0.2s ease;
    text-align: center;
    min-width: 80px;
}

.toggle-btn.active {
    background-color: var(--button-bg);
    border-color: var(--border-color-strong);
    box-shadow: inset 0 2px 5px var(--shadow-color);
}

.position-inputs {
    display: flex;
    gap: 10px;
}


.filter-info {
    font-size: 0.8em;
    color: var(--text-secondary);
    margin-bottom: 4px;
    font-style: italic;
    /* Uncommented for subtle visual cue */
}

.info-icon {
    font-size: 1.2rem;
    /* or larger */
}

.toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(100%);
    background-color: var(--toast-bg, #f44336);
    /* default red */
    color: white;
    padding: 12px 20px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 1rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease, transform 0.4s ease;
    z-index: 9999;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/*  === scrollButtons === */
#scrollButtons {
    position: fixed;
    bottom: 3rem;
    right: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease;
}

#scrollButtons.show {
    opacity: 1;
    visibility: visible;
}

#scrollButtons button {
    background-color: var(--primary-color, #4482C9);
    color: white;
    border: none;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    font-size: 1.2rem;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
    cursor: pointer;
    transition: transform 0.2s ease;
}

#scrollButtons button:hover {
    transform: translateY(-2px);
}

footer {
    margin-top: 20px;
    text-align: center;
    font-size: 0.95em;
}

footer h3 {
    color: var(--text-primary);
    margin-bottom: 10px;
}

footer section {
    padding: 20px 20px;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 10px;
    font-size: 1.6rem;
}

.social-links a {
    color: var(--text-primary);
    transition: color 0.3s;
}

.social-links a:hover {
    color: var(--wild-card-color);
}


@media (min-width: 1200px) {
    .tile {
        font-size: 3.4rem;
    }

    .scrabble-hero-grid {
        max-width: 520px;
    }
}

@media (min-width: 1400px) {
    .tile {
        font-size: 3.4rem;
    }

    .scrabble-hero-grid {
        max-width: 520px;
    }
}

@media (max-width: 767px) {
    .scrabble-hero-grid {
        grid-template-columns: repeat(8, 1fr);
        grid-template-rows: repeat(2, auto);
        gap: 4px;
        width: fit-content;
        max-width: 100%;
        transform: none;
    }

    .tile.tile-l2 {
        display: flex;
    }

    .tile-h,
    .tile-e2,
    .tile-l2,
    .tile-p,
    .tile-e3,
    .tile-r2 {
        grid-row: 2;
    }

    .tile-h {
        grid-column-start: 2;
    }

    .tile {
        height: 45px;
        width: 45px;
        font-size: 3rem;
        border-radius: 4px;
        grid-area: auto;
    }
}

@media (max-width: 600px) {
    .scrabble-hero-grid {
        transform: translateX(-10px);
    }

    .tile {
        width: 34px;
        height: 34px;
        font-size: 2.6rem;
    }

    .info-icon {
        display: inline;
        /* Ensure it's not hidden */
    }
}

@media (max-width: 480px) {
    .container {
        padding: 20px;
    }

    .scrabble-hero-grid {
        margin: 0 auto;
        justify-content: center;
        transform: translateX(-10px);
    }

    .tile {
        width: 22px;
        height: 22px;
        font-size: clamp(1.8rem, 5vw, 3.4rem);
    }


    .toggle-btn {
        flex: 1 1 100%;
    }

    .toggle-group {
        gap: 6px;
    }

    #results {
        font-size: 1em;
    }

    .position-inputs {
        flex-direction: column;
    }

    .position-inputs input::placeholder,
    .scrabble-input::placeholder {
        font-size: 0.8rem;
        /* or try 0.8rem */
    }
}

@media (max-width: 360px) {
    .tile {
        width: 22px;
        height: 22px;
    }

    .toggle-group {
        gap: 4px;
    }
}