@font-face {
    font-family: Digital-7;
    src: url(digital-7.ttf);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

:root {
    --radius-xs: 4px;
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 28px;
    --radius-pill: 9999px;
    --accent: #73499c;
    --accent-h: #e6dcef;
    --accent-soft: #73499c99;
    --green: #4d6835;
    --red: #ba1a1a;
    --teal: #3d666b;
    --white: #ffffff;
    --border: #ccc7d1;
    --border-c: #73499c4d;
    --border-d: #3d666b4d;
    --panel-bkdrop: blur(20px);
    --highlight: #8c4f00;
    --muted: #76777a;
    --gray-soft: #7d7d7d22;
    --gray-mid: #e7e0df88;
    --gray-light: #ffffff88;
    --text: #1a161d;
    --bg: #faf9fb;
    --transulent-bg: #faf9fbcc;
    --overlay: #201a191a;
    --img-invert: invert(1);
    --shadow-o: 0 4px 8px 3px #8059a626;
    --shadow-h: inset 0 0 0 1px #05050526;
    --alert-bg: hsla(270, 15%, 96%, .95);
    --alert-heading-bg: #ffdad6;
    --alert-heading: #8e6499;
}

:root.dark-theme {
    --accent: #ccbadf;
    --accent-h: #4d3168;
    --accent-soft: #ccbadf99;
    --text: #f2f1f4;
    --bg: #0f0e11;
    --transulent-bg: #1a171ccc;
    --overlay: #00000066;
    --img-invert: invert(0);
    --border: #4d455480;
    --border-c: #ccbadf4d;
    --border-d: #a6dce24d;
    --shadow-o: 0 4px 12px 4px #00000080;
    --shadow-h: inset 0 0 0 1px #ffb4ab;
    --alert-bg: #1f1c22f2;
    --alert-heading-bg: #3b0906;
    --gray-mid: #53434188;
    --gray-light: #53434144;
}

@media (prefers-color-scheme:dark) {
    :root:not(.light-theme) {
        --accent: #ccbadf;
        --accent-h: #4d3168;
        --accent-soft: #ccbadf99;
        --text: #f2f1f4;
        --bg: #0f0e11;
        --transulent-bg: #1a171ccc;
        --overlay: #00000066;
        --img-invert: invert(0);
        --border: #4d455480;
        --border-c: #ccbadf4d;
        --border-d: #a6dce24d;
        --shadow-o: 0 4px 12px 4px #00000080;
        --shadow-h: inset 0 0 0 1px #ffb4ab;
        --alert-bg: #1f1c22f2;
        --alert-heading-bg: #3b0906;
        --gray-mid: #53434188;
        --gray-light: #53434144
    }
}

* {
    scrollbar-width: thin;
    scrollbar-color: var(--accent) transparent;
}

::-webkit-scrollbar {
    width: 4px;
    height: 4px;
}

::-webkit-scrollbar-track {
    background: transparent;
    margin-block: 5px;
}

::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: var(--radius-pill);
    cursor: grab;
}

::-webkit-scrollbar-thumb:active {
    background: var(--accent-h);
    cursor: grabbing;
}

body {
    width: 100%;
    max-width: 700px;
    height: 100vh;
    height: 100dvh;
    font-family: system-ui, -apple-system, 'Arial', 'Segoe UI', Roboto, 'Open Sans', sans-serif;
    position: relative;
    background-color: #380038;
    margin: auto;
    padding: 5px;
    display: flex;
    flex-direction: column;
    background-image: url(bg.jpg);
    background-size: cover;
    background-position-x: center;
    background-repeat: no-repeat;
    color: var(--text);
    overflow: clip;
}

button {
    border: none;
    outline: none;
    cursor: pointer;
}

button:focus-visible,
select:focus-visible,
input:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 1px;
}

.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, .5);
    opacity: 0;
    visibility: hidden;
    transition: all 300ms ease-in-out;
    z-index: 40;
}

.menu-overlay.visible {
    opacity: 1;
    visibility: visible;
}

.menu-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 260px;
    min-width: 200px;
    height: 100%;
    height: 100dvh;
    background-color: var(--transulent-bg);
    backdrop-filter: var(--panel-bkdrop);
    transform: translateX(-100%);
    z-index: 50;
    padding: 10px;
    display: flex;
    flex-direction: column;
    transition: transform 500ms ease-in-out;
}

.menu-sidebar.translate-x-0 {
    transform: translateX(0);
}

.menu-header {
    display: flex;
    align-items: center;
    padding-bottom: 10px;
    justify-content: space-between;
    margin-bottom: 0;
    border-bottom: 1px solid var(--accent);
}

.menu-title {
    color: var(--text);
    font-size: 1.4rem;
    font-weight: 700;
}

.close-menu-button {
    color: var(--text);
    background: transparent;
    font-size: 2rem;
    cursor: pointer;
    padding: 4px;
    border-radius: .25rem;
    transition: background-color 150ms ease-in-out, transform 150ms ease-in-out;
}

.close-menu-button:active {
    color: var(--accent);
    transform: rotate(45deg);
}

.close-menu-button:hover {
    background: transparent;
}

.menu-items-container {
    margin-top: 8px;
    overflow-y: auto;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.menu-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.menu-group-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    background: transparent;
    color: var(--accent);
    font-weight: 700;
    font-size: .85rem;
    text-transform: uppercase;
    letter-spacing: .05em;
    padding: 6px 8px;
    margin-top: 8px;
    border-bottom: 1px solid var(--border-c);
    cursor: pointer;
}

.menu-group-header-arrow {
    width: 1.2rem;
    height: 1.2rem;
    fill: var(--accent);
    transition: transform 250ms ease-in-out;
}

.menu-group.collapsed .menu-group-header-arrow {
    transform: rotate(-90deg);
}

.menu-group-items {
    display: flex;
    flex-direction: column;
    gap: 4px;
    max-height: 500px;
    overflow: hidden;
    transition: max-height 300ms ease-out, opacity 300ms ease;
    opacity: 1;
}

.menu-group.collapsed .menu-group-items {
    max-height: 0;
    opacity: 0;
    pointer-events: none;
}

.menu-item-button {
    width: 100%;
    text-align: left;
    padding: 8px;
    color: var(--text);
    fill: var(--text);
    background: transparent;
    transition: background-color 150ms ease-in-out;
    display: flex;
    border-radius: var(--radius-sm);
    align-items: center;
    gap: 12px;
}

.menu-item-button:hover,
.menu-item-button:active,
.menu-item-button.active {
    background: var(--accent-h);
}

.menu-item-icon {
    fill: var(--text);
    width: 1.5rem;
    height: 1.5rem;
}

.menu-item-text {
    font-size: 1.1rem;
    font-weight: 500;
}

.page-content {
    width: 100%;
    margin: auto;
    margin-top: 0;
}

.page-content.hidden {
    display: none;
}

.page-header {
    display: flex;
    height: 48px;
    padding: 0;
    background: transparent;
    justify-content: space-between;
    align-items: center;
}

.page-menu-button {
    fill: var(--white);
    cursor: pointer;
    border-radius: var(--radius-xs);
    background: transparent;
    border: none;
    transition: background-color 150ms ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
}

.page-menu-button:hover {
    background: var(--gray-mid);
}

.page-menu-button .menu-item-icon {
    fill: var(--white);
    width: 1.5rem;
    height: 1.5rem;
}

.page-menu-button:active {
    background: var(--accent);
}

.page-title {
    color: var(--white);
    font-size: 1.6rem;
    font-weight: 700;
}

.spacer {
    width: 40px;
}

.calculator-display {
    height: 90px;
    padding: 10px;
    font-family: Digital-7;
    margin: 10px;
    margin-bottom: 20px;
    background-color: #9fd5a5;
    border-radius: 10px;
    overflow: clip;
    display: flex;
    gap: 10px;
    flex-direction: column;
    justify-content: flex-end;
    align-items: flex-end;
    box-shadow: inset 0 4px 10px rgba(0, 0, 0, .15);
}

.equation-display {
    height: 50%;
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
    color: #000000;
    font-size: 30px;
}

.result-display {
    height: 50%;
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    color: #000000;
    font-size: 50px;
}

.calculator-buttons-grid {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    padding: 4px 8px;
}

.calc-button {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 68px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 24px;
    cursor: pointer;
    padding: 6px 10px;
    color: var(--text);
    background: var(--accent-h);
    outline: none;
    border: none;
    transition: transform 100ms ease, background-color 150ms ease;
}

.calc-button img {
    height: 30px;
    filter: var(--img-invert);
}

.calc-button:hover {
    background: var(--accent-soft);
    transform: scale(1.03);
}

.calc-button:active,
.calc-button.keyboard-active {
    transform: scale(.95);
    background: var(--accent);
}

.calc-button.span-2 {
    grid-column: span 2 / span 2;
    border-radius: 10px;
    width: auto;
    background: var(--accent);
    color: var(--text);
    justify-content: center;
    font-weight: 600;
}

.calc-button.span-2:hover {
    background: var(--accent-soft);
}

.loading-indicator {
    background: var(--gray-mid);
    border-radius: 1rem;
    padding: 24px;
    margin-bottom: 24px;
}

.loading-indicator p {
    color: var(--text);
    font-size: 1.2rem;
}

.converter-section {
    flex: 1;
    min-width: 300px;
    width: 100%;
    max-width: 500px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: auto;
    overflow: clip;
    padding-right: 8px;
}

.converter-section.hidden {
    display: none;
}

.converter-card {
    background: var(--accent-h);
    backdrop-filter: var(--panel-bkdrop);
    border-radius: 1rem;
    padding: 20px;
    box-shadow: var(--shadow-o);
}

.converter-label {
    color: var(--text);
    opacity: .7;
    font-size: .95rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.converter-input {
    width: 100%;
    background: var(--alert-bg);
    color: var(--alert-heading);
    font-size: 1.5rem;
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 12px;
    outline: none;
    border: none;
}

.converter-input:focus {
    outline: 2px solid var(--border);
}

.converter-output-display {
    width: 100%;
    background: var(--alert-bg);
    color: var(--alert-heading);
    font-size: 24px;
    padding: 10px;
    border-radius: 10px;
    margin-bottom: 12px;
    min-height: 48px;
    display: flex;
    align-items: center;
    overflow-x: auto;
}

.converter-output-display span {
    color: var(--accent);
    font-weight: 600;
}

.swap-button-container {
    margin: 10px 0;
    display: flex;
    justify-content: center;
}

.swap-button {
    background-color: var(--accent-soft);
    color: var(--text);
    box-shadow: var(--shadow-o);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 15px;
    font-weight: 700;
    font-size: 1.7rem;
    transition: background-color 150ms ease-in-out, transform 100ms ease;
}

.swap-button:hover {
    background-color: var(--accent-h);
    transform: scale(1.05);
}

.swap-button:active {
    background: var(--accent);
    transform: scale(.95);
}

.dropdown-search-wrapper {
    margin-bottom: 8px;
}

.dropdown-search-field {
    width: 100%;
    background: var(--alert-bg);
    color: var(--text);
    font-size: .95rem;
    padding: 8px 12px;
    border-radius: .5rem;
    border: 1px solid var(--border-c);
    outline: none;
}

.dropdown-search-field:focus {
    border-color: var(--accent);
}

.custom-select {
    width: 100%;
    background: var(--alert-bg);
    color: var(--text);
    font-size: 1.5rem;
    padding: 12px 16px;
    border-radius: .5rem;
    margin-bottom: 12px;
    outline: none;
    border: none;
    cursor: pointer;
    transition: background-color 250ms, color 250ms;
}

.last-updated-info {
    background-color: var(--accent-h);
    backdrop-filter: blur(5px);
    border-radius: 1rem;
    padding: 16px;
    margin-top: 10px;
}

.last-updated-info p {
    color: var(--accent);
    font-size: 1rem;
    text-align: center;
}

.last-updated-info span {
    color: var(--text);
    font-weight: 500;
}

.theme-switch-container {
    padding: 8px;
    border-top: 1px solid var(--border-c);
    margin-top: auto;
}

.theme-switch-button {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 10px;
    border-radius: var(--radius-sm);
    background: var(--accent-h);
    color: var(--text);
    font-weight: 600;
    transition: background-color 150ms ease;
}

.theme-switch-button:hover {
    background: var(--accent-soft);
}

.theme-switch-icon {
    width: 1.5rem;
    height: 1.5rem;
    fill: var(--text);
}

@media (max-width:768px) {}

@media (max-width:480px) {}