@font-face {
    font-family: Montserrat;
    src: url("../fonts/Montserrat-Regular.ttf") format("truetype"),
        url("../fonts/Montserrat-Regular.otf") format("opentype"),
        url("../fonts/montserrat-regular-webfont.woff2") format("woff2"),
        url("../fonts/montserrat-regular-webfont.woff") format("woff");
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

:root {
    --font-base: Montserrat, sans-serif;
    --color-bg: #f7f7f8;
    --color-text: #1f2328;
    --color-link: #0b57d0;
    --color-link-hover: #0842a0;
    --color-surface: #ffffff;
    --color-border: #d0d7de;
    --color-muted: #6b7280;
    --color-control-focus: #0b57d0;
    --color-button-bg: #eceff3;
    --color-button-bg-hover: #dde3ea;
    --color-button-border: #c5ccd6;
    --color-button-disabled: #c3c9d1;
    --container-max: 1100px;
    --container-gutter: 1rem;
    --header-text: rgb(44, 44, 44);
    --glass-bg: rgba(255, 255, 255, 0.2);
    --glass-border: rgba(255, 255, 255, 0.8);
    --glass-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    --pressed-bg: rgb(56, 56, 56);
    --pressed-text: #ffffff;
    --menu-pill-width: 112px;
    --input-bg: rgba(255, 255, 255, 0.45);
    --footer-border: rgba(31, 35, 40, 0.12);
    --stats-bar-from: rgba(44, 44, 44, 0.88);
    --stats-bar-to: rgba(44, 44, 44, 0.55);
    --color-danger: #8d1111;
}

html[data-theme="light"] {
    color-scheme: light;
}

html[data-theme="dark"] {
    color-scheme: dark;
    --color-bg: #0f1115;
    --color-text: #edf1f7;
    --color-link: #8fb4ff;
    --color-link-hover: #b9d0ff;
    --color-surface: #171b22;
    --color-border: #2d3642;
    --color-muted: #a9b3c0;
    --color-control-focus: #8fb4ff;
    --color-button-disabled: #4a5566;
    --header-text: #f2f5fb;
    --glass-bg: rgba(34, 40, 50, 0.55);
    --glass-border: rgba(228, 236, 250, 0.24);
    --glass-shadow: 0 10px 24px rgba(0, 0, 0, 0.52);
    --pressed-bg: #e6ecf8;
    --pressed-text: #141922;
    --input-bg: rgba(30, 36, 45, 0.75);
    --footer-border: rgba(233, 239, 250, 0.18);
    --stats-bar-from: rgba(191, 208, 255, 0.86);
    --stats-bar-to: rgba(145, 168, 231, 0.62);
    --color-danger: #ff9f9f;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    min-height: 100vh;
    font-family: var(--font-base);
    line-height: 1.5;
    color: var(--color-text);
    background: var(--color-bg);
}

h1,
h2 {
    line-height: 1.2;
    margin-bottom: 0.5rem;
}

h1 {
    font-size: clamp(1.8rem, 2.8vw, 2.5rem);
}

h2 {
    font-size: clamp(1.35rem, 2.2vw, 1.8rem);
}

p {
    margin-bottom: 0.75rem;
}

a {
    color: var(--color-link);
    text-decoration: none;
}

a:hover {
    color: var(--color-link-hover);
    text-decoration: underline;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid var(--color-link);
    outline-offset: 2px;
}

button {
    font: inherit;
    font-weight: 700;
    color: var(--header-text);
    cursor: pointer;
    border: 0.0625rem solid var(--glass-border);
    border-radius: 28px;
    background: var(--glass-bg);
    box-shadow: var(--glass-shadow);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(3px);
    padding: 10px 15px;
    transition: transform 0.3s ease, background-color 0.3s ease, color 0.3s ease;
}

button:hover {
    transform: scale(1.08);
    color: var(--header-text);
}

button:active {
    background: var(--pressed-bg);
    color: var(--pressed-text);
}

button:disabled {
    background: var(--color-button-disabled);
    border-color: var(--color-button-disabled);
    box-shadow: none;
    color: var(--color-muted);
    cursor: not-allowed;
}

.page-content button {
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}
form {
    width: 100%;
}

form p {
    margin-bottom: 0.75rem;
}

label {
    display: inline-block;
    margin-bottom: 0.25rem;
}

input:not([type="checkbox"]),
textarea,
select {
    width: 100%;
    max-width: 32rem;
    padding: 10px 15px;
    display: block;
    margin-bottom: 0.75rem;
    font: inherit;
    color: var(--header-text);
    background: var(--glass-bg);
    border: 0.0625rem solid var(--glass-border);
    border-radius: 16px;
    box-shadow: var(--glass-shadow);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(3px);
    transition: background-color 0.3s ease, color 0.3s ease;
}

textarea {
    min-height: 8rem;
    resize: vertical;
}

select {
    appearance: none;
}

input::placeholder,
textarea::placeholder {
    color: var(--color-muted);
}

input[type="checkbox"] {
    -webkit-appearance: none;
    appearance: none;
    width: 1.1rem;
    height: 1.1rem;
    max-width: none;
    padding: 0;
    border-radius: 999px;
    border: 0.0625rem solid var(--glass-border);
    background: var(--glass-bg);
    box-shadow: var(--glass-shadow);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(3px);
    display: inline-grid;
    place-content: center;
    vertical-align: middle;
    cursor: pointer;
    transition: transform 0.2s ease, background-color 0.2s ease;
}

input[type="checkbox"]:hover {
    transform: scale(1.08);
}

input[type="checkbox"]::before {
    content: "";
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 999px;
    background: var(--pressed-bg);
    transform: scale(0);
    transition: transform 0.15s ease-in-out;
}

input[type="checkbox"]:checked::before {
    transform: scale(1);
}

.page {
    display: flex;
    flex-direction: column;
}

.container {
    width: min(var(--container-max), calc(100% - (var(--container-gutter) * 2)));
    margin-left: auto;
    margin-right: auto;
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 220;
    padding: 10px 0;
}

.header-shell {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 10px;
}

.header-side {
    display: flex;
    align-items: center;
}

.header-left {
    justify-content: flex-start;
}

.header-right {
    justify-content: flex-end;
}

.header-center {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.header-icon-button,
.header-menu-trigger,
.header-dropdown-link {
    border: 0.0625rem solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(3px);
    color: var(--header-text);
    transition: all 0.3s ease;
}

.header-icon-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 999px;
    text-decoration: none;
}

.header-icon-button:hover,
.header-menu-trigger:hover,
.header-dropdown-link:hover {
    transform: scale(1.08);
    text-decoration: none;
    color: var(--header-text);
}

.header-icon-button:active,
.header-menu-trigger:active,
.header-dropdown-link:active {
    background: var(--pressed-bg);
    color: var(--pressed-text);
}

.theme-button {
    font: inherit;
    cursor: pointer;
    font-size: 20px;
}

.header-logo-button {
    position: relative;
}

.header-logo-dark,
.header-logo-white {
    position: absolute;
    width: 34px;
    height: 34px;
    object-fit: contain;
    transition: opacity 0.2s ease;
}

.header-logo-dark {
    opacity: 1;
}

.header-logo-white {
    opacity: 0;
}

html[data-theme="dark"] .header-logo-dark {
    opacity: 0;
}

html[data-theme="dark"] .header-logo-white {
    opacity: 1;
}

html[data-theme="dark"] .header-logo-button:active .header-logo-dark {
    opacity: 1;
}

html[data-theme="dark"] .header-logo-button:active .header-logo-white {
    opacity: 0;
}

.header-logo-button:active .header-logo-dark {
    opacity: 0;
}

.header-logo-button:active .header-logo-white {
    opacity: 1;
}

.header-menu-container {
    position: relative;
    display: inline-block;
}

.header-menu-trigger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: var(--menu-pill-width);
    padding: 10px 15px;
    border-radius: 28px;
    font-size: 15px;
    font-weight: 700;
    cursor: default;
    user-select: none;
}

.header-dropdown {
    position: absolute;
    top: calc(100% - 1px);
    left: 50%;
    transform: translateX(-50%);
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding: 5px 0;
    margin: 0;
    list-style: none;
    z-index: 1000;
}

.header-menu-container:hover .header-dropdown,
.header-menu-container:focus-within .header-dropdown,
.header-dropdown:hover {
    display: flex;
}

.header-dropdown-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: var(--menu-pill-width);
    padding: 10px 15px;
    border-radius: 28px;
    font-size: 15px;
    font-weight: 700;
    text-decoration: none;
}

.header-profile-button {
    font-size: 20px;
    line-height: 1;
}

.header-icon-spacer {
    width: 44px;
    height: 44px;
    display: inline-block;
}

.page-main {
    flex: 1;
    padding-top: 84px;
    padding-bottom: 1.5rem;
}

.page-title {
    margin-top: 0.5rem;
    margin-bottom: 1rem;
}

.page-content {
    width: 100%;
}

.site-footer {
    padding: 1rem 0 1.25rem;
    margin-top: auto;
    border-top: 1px solid var(--footer-border);
}

.site-footer .container {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-muted);
    font-size: 0.95rem;
}

@media (max-width: 780px) {
    .header-shell {
        grid-template-columns: 1fr;
    }

    .header-left,
    .header-right,
    .header-center {
        justify-content: center;
    }

    .page-main {
        padding-top: 140px;
    }
}