:root {

    --color-surface-base: #0f2027;
    --color-surface-strong: #203a43;
    --color-surface-deep: #2c5364;
    --color-bg-gradient: linear-gradient(180deg, var(--color-surface-base), var(--color-surface-strong), var(--color-surface-deep));
    --color-bg-sticky: var(--color-surface-strong);
    --color-text-main: #ffffff;
    --color-text-muted: rgba(255, 255, 255, 0.7);
    --color-text-inverse: #1a1a1a;

    --color-primary-rgb: 255, 209, 102;
    --color-primary: rgb(var(--color-primary-rgb));

    --color-danger-rgb: 239, 71, 111;
    --color-danger: rgb(var(--color-danger-rgb));

    --color-success-rgb: 76, 175, 80;
    --color-success: rgb(var(--color-success-rgb));

    --color-warning-rgb: 255, 152, 0;
    --color-warning: rgb(var(--color-warning-rgb));

    --color-info-rgb: 79, 195, 247;
    --color-info: rgb(var(--color-info-rgb));

    --color-critical-rgb: 183, 28, 28;
    --color-critical: rgb(var(--color-critical-rgb));

    --glass-light: rgba(255, 255, 255, 0.1);
    --glass-medium: rgba(255, 255, 255, 0.06);
    --glass-dark: rgba(0, 0, 0, 0.25);
    --glass-faint: rgba(255, 255, 255, 0.03);

    --border-light: rgba(255, 255, 255, 0.1);
    --border-faint: rgba(255, 255, 255, 0.05);
    --surface-white-10: rgba(255, 255, 255, 0.1);
    --surface-white-15: rgba(255, 255, 255, 0.15);
    --surface-white-20: rgba(255, 255, 255, 0.2);
    --surface-white-25: rgba(255, 255, 255, 0.25);
    --surface-white-30: rgba(255, 255, 255, 0.3);
    --surface-white-50: rgba(255, 255, 255, 0.5);
    --surface-black-20: rgba(0, 0, 0, 0.2);
    --surface-black-30: rgba(0, 0, 0, 0.3);
    --surface-black-40: rgba(0, 0, 0, 0.4);
    --surface-black-50: rgba(0, 0, 0, 0.5);
    --overlay-backdrop: rgba(0, 0, 0, 0.6);

    --ui-radius-lg: 18px;
    --ui-radius-md: 14px;
    --ui-radius-sm: 10px;
    --ui-radius-table: 12px;
    --ui-radius-pill: 20px;

    --ui-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    --ui-modal-gradient: linear-gradient(135deg, var(--color-surface-strong), var(--color-surface-deep));
    --ui-shadow-primary: 0 4px 15px rgba(var(--color-primary-rgb), 0.3);
    --ui-shadow-sticky: 4px 0 10px var(--surface-black-30);
    --ui-shadow-sticky-inverse: -4px 0 10px var(--surface-black-30);
    --ui-shadow-modal: 0 25px 50px -12px var(--surface-black-50);
    --ui-focus-ring-md: 0 0 0 3px rgba(var(--color-primary-rgb), 0.15);
    --ui-focus-ring-sm: 0 0 0 2px rgba(var(--color-primary-rgb), 0.1);
    --ui-transition-fast: 0.2s;
    --ui-transition-press: 0.1s;
    --ui-index-width: 520px;

    --ui-highlight-gradient: linear-gradient(135deg, var(--color-primary), var(--color-danger));

    --space-xs: 6px;
    --space-sm: 8px;
    --space-md: 12px;
    --space-lg: 16px;
    --space-xl: 24px;
    --page-gap: var(--space-lg);

    --font-stack: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Segoe UI Emoji", "Apple Color Emoji", "Noto Color Emoji", sans-serif;
    --font-size-2xs: 0.7rem;
    --font-size-caption: 0.8rem;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.85rem;
    --font-size-body: 0.9rem;
    --font-size-md: 0.95rem;
    --font-size-lg: 1.1rem;
    --font-size-text-lg: 1.2rem;
    --font-size-value: 1.4rem;
    --font-size-xl: 1.5rem;
    --font-size-h1: 1.6rem;
    --line-height-tight: 1.2;

    --table-min-width-sm: 260px;
    --table-min-width-md: 340px;
    --table-min-width-lg: 600px;
    --table-min-width-xl: 900px;
    --column-min-width-md: 180px;
}

* {
    box-sizing: border-box;

    -webkit-tap-highlight-color: transparent;
}

body {
    margin: 0;
    padding: var(--space-sm);
    min-height: 100vh;

    font-family: var(--font-stack);
    background: var(--color-bg-gradient);
    background-attachment: fixed;
    color: var(--color-text-main);

    overscroll-behavior-y: none;
    -webkit-font-smoothing: antialiased;
}

.text-center { text-align: center; }
.w-100 { width: 100%; }
.w-auto { width: auto; }
.mt-lg { margin-top: var(--space-lg); }
.my-sm { margin-top: var(--space-sm); margin-bottom: var(--space-sm); }
.mt-auto { margin-top: auto; }
.mb-sm { margin-bottom: var(--space-sm); }
.opacity-70 { opacity: 0.7; }
.p-lg { padding: var(--space-lg); }

.glass-card {
    background: var(--glass-light);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-light);
    border-radius: var(--ui-radius-lg);
    box-shadow: var(--ui-shadow);
}

h1 {
    text-align: center;
    margin: var(--space-lg) 0;
    font-size: var(--font-size-h1);
    font-weight: 700;
    letter-spacing: -0.5px;
}

.menu-label {
    font-size: 0.6em;
    color: var(--color-primary);
    vertical-align: middle;
    margin-left: var(--space-sm);
    opacity: 0.8;
    font-weight: 500;
}

h2 {
    margin: var(--space-lg) 0 var(--space-sm);
    font-size: var(--font-size-lg);
    color: var(--color-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.text-label {
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-muted);
    font-weight: 600;
    opacity: 0.9;
}

.text-value {
    font-size: var(--font-size-value);
    font-weight: 700;
    line-height: 1.1;
    color: var(--color-text-main);
}

.text-sm { font-size: var(--font-size-sm); }
.text-xs { font-size: var(--font-size-xs); }
.text-muted { color: var(--color-text-muted); }
.text-primary { color: var(--color-primary); }

.text-status--ok { color: var(--color-success); font-weight: bold; }
.text-status--warning { color: var(--color-warning); font-weight: bold; }
.text-status--danger { color: var(--color-danger); font-weight: bold; }

.color-blue { color: var(--color-info); }
.color-success { color: var(--color-success); }
.color-warning { color: var(--color-warning); }
.color-danger { color: var(--color-danger); }
.color-critical { color: var(--color-critical); }

.layout-center {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.layout-container {
    max-width: 600px;
    margin: 0 auto;
}

.page-header {
    max-width: 100%;
    margin: 0 auto;
    padding: var(--space-lg) var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.page-header h1 { margin: 0; }
.page-header--with-close h1,
.page-header--with-menu h1 {
    text-align: center;
    margin: 0 auto;
}

.page-header--with-menu,
.page-header--with-close {
    flex-direction: row;
    align-items: center;
    justify-content: center;
    position: relative;
}

.page-menu-trigger {
    position: absolute;
    left: 5px;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    border-radius: var(--ui-radius-pill);
    border: 1px solid var(--border-light);
    background-color: var(--glass-light);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    cursor: pointer;
    transition: background var(--ui-transition-fast), transform var(--ui-transition-press);
    background-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIyNCIgaGVpZ2h0PSIyNCIgdmlld0JveD0iMCAwIDI0IDI0Ij48cmVjdCB4PSIzIiB5PSI2IiB3aWR0aD0iMTgiIGhlaWdodD0iMiIgcng9IjEiIGZpbGw9IndoaXRlIi8+PHJlY3QgeD0iMyIgeT0iMTEiIHdpZHRoPSIxOCIgaGVpZ2h0PSIyIiByeD0iMSIgZmlsbD0id2hpdGUiLz48cmVjdCB4PSIzIiB5PSIxNiIgd2lkdGg9IjE4IiBoZWlnaHQ9IjIiIHJ4PSIxIiBmaWxsPSJ3aGl0ZSIvPjwvc3ZnPg==");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 22px 22px;
}

.page-menu-trigger:hover {
    background-color: var(--surface-white-20);
}

.page-menu-trigger:active {
    transform: translateY(-50%) scale(0.96);
}

.index-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: var(--space-md);
}
.index-modal-backdrop.is-open { display: flex; }
.index-modal {
    width: min(var(--ui-index-width), 95vw);
    background: var(--surface-black-20);
    border: 1px solid var(--border-light);
    border-radius: var(--ui-radius-lg);
    padding: var(--space-lg);
}
#index-card {
    max-width: var(--ui-index-width);
}
.index-modal__header {
    margin-bottom: var(--space-md);
}
.index-modal__title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    text-align: center;
}
.index-modal__locale {
    display: flex;
    justify-content: center;
    margin-top: var(--space-lg);
}
.index-modal__link.is-active {
    opacity: 0.55;
    filter: saturate(0.6);
    box-shadow: none;
    cursor: default;
    transform: none;
}
.index-modal__link.is-active:hover,
.index-modal__link.is-active:focus-visible {
    filter: saturate(0.6);
}

.page-content {
    display: flex;
    flex-direction: column;
    gap: var(--page-gap);
    width: 100%;
}

@media (min-width: 700px) {
    body { padding: var(--space-md); }
    .page-header { padding: var(--space-xl); }
}

@media (min-width: 1100px) {
    body { padding: var(--space-lg); }
    :root { --page-gap: var(--space-xl); }
}

.stack-vertical {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    width: 100%;
}