:root {
    --primary: #0f5fc2;
    --primary-dark: #083f86;
    --accent: #ff8b1e;
    --surface: rgba(255, 255, 255, 0.96);
    --surface-strong: rgba(255, 255, 255, 0.98);
    --border: rgba(15, 95, 194, 0.18);
    --text: #0d1c31;
    --muted: #516173;
    --shadow: 0 24px 60px rgba(15, 39, 77, 0.18);
    --radius-xl: 26px;
    --radius-lg: 20px;
    --radius-md: 14px;
    --transition: 180ms ease;
    --font: "Segoe UI", Arial, sans-serif;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
    font-family: var(--font);
    color: var(--text);
}

body.landing-page {
    position: relative;
    min-height: 100vh;
    background: url("../images/background.png") center center / cover no-repeat fixed;
    overflow-x: hidden;
}

body.landing-page {
    --header-offset-top: clamp(18px, 2.2vh, 34px);
    --shell-top-padding: clamp(96px, 14vh, 180px);
    --shell-bottom-padding: clamp(28px, 6vh, 64px);
    --card-width-fluid: min(860px, calc(100vw - 48px));
}

@media (min-width: 1800px) {
    body.landing-page {
        --header-offset-top: 34px;
        --shell-top-padding: 180px;
        --shell-bottom-padding: 80px;
        --card-width-fluid: min(1120px, calc(100vw - 120px));
    }
}

@media (min-width: 2500px) {
    body.landing-page {
        --header-offset-top: 42px;
        --shell-top-padding: 220px;
        --shell-bottom-padding: 96px;
        --card-width-fluid: min(1320px, calc(100vw - 180px));
    }
}

.page-overlay {
    position: fixed;
    inset: 0;
    background: transparent;
    pointer-events: none;
}

.side-logos {
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}

.side-logo {
    position: absolute;
    top: 47%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    width: clamp(185px, 18vw, 290px);
    isolation: isolate;
}

.side-logo::before {
    content: "";
    position: absolute;
    inset: -22px;
    border-radius: 50%;
    background:
        radial-gradient(circle at center,
            rgba(255, 255, 255, 0.98) 0%,
            rgba(223, 238, 255, 0.82) 28%,
            rgba(164, 204, 255, 0.34) 48%,
            rgba(255, 177, 105, 0.14) 62%,
            rgba(255, 255, 255, 0) 80%);
    filter: blur(18px);
    z-index: -1;
    opacity: 0.95;
}

.side-logo img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
    transform-origin: center center;
}

.side-logo--left {
    left: clamp(18px, 4vw, 72px);
}

.side-logo--left img {
    filter:
        drop-shadow(0 0 1px rgba(255, 255, 255, 0.98))
        drop-shadow(0 0 6px rgba(255, 255, 255, 0.92))
        drop-shadow(0 0 14px rgba(120, 184, 255, 0.72))
        drop-shadow(0 0 28px rgba(120, 184, 255, 0.36))
        drop-shadow(0 0 12px rgba(255, 145, 52, 0.22))
        drop-shadow(0 10px 26px rgba(10, 34, 70, 0.16));
}

.side-logo--right {
    right: clamp(18px, 4vw, 72px);
}

.side-logo--right img {
    filter:
        drop-shadow(0 0 1px rgba(255, 255, 255, 0.98))
        drop-shadow(0 0 6px rgba(255, 255, 255, 0.92))
        drop-shadow(0 0 14px rgba(120, 184, 255, 0.72))
        drop-shadow(0 0 26px rgba(120, 184, 255, 0.34))
        drop-shadow(0 10px 24px rgba(10, 34, 70, 0.16));
}

@keyframes logoFloat {
    0%, 100% {
        transform: translateY(-50%) translateY(0);
    }
    50% {
        transform: translateY(-50%) translateY(-8px);
    }
}

@keyframes logoPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.98;
    }
    50% {
        transform: scale(1.025);
        opacity: 1;
    }
}



.site-extra-logo {
    position: relative;
    z-index: 2;
    width: clamp(175px, 15vw, 290px);
    padding: clamp(10px, 0.95vw, 16px);
    margin: 0 auto;
    border-radius: 50%;
    background: radial-gradient(circle at center, rgba(255,255,255,0.68) 0%, rgba(255,255,255,0.32) 54%, rgba(255,255,255,0.05) 79%, rgba(255,255,255,0) 100%);
    box-shadow:
        0 16px 32px rgba(8, 32, 70, 0.10),
        0 0 28px rgba(129, 189, 255, 0.18);
    backdrop-filter: blur(6px) saturate(130%);
    -webkit-backdrop-filter: blur(6px) saturate(130%);
    pointer-events: none;
}

.site-extra-logo img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
    filter:
        drop-shadow(0 0 8px rgba(255,255,255,0.72))
        drop-shadow(0 0 18px rgba(120, 184, 255, 0.22))
        drop-shadow(0 8px 18px rgba(10, 34, 70, 0.10));
}

.corner-qrs {
    position: fixed;
    inset: 0;
    z-index: 2;
    pointer-events: none;
}

.corner-qr {
    position: absolute;
    width: clamp(88px, 7vw, 154px);
    padding: clamp(8px, 0.7vw, 12px);
    border-radius: clamp(18px, 1.5vw, 24px);
    background: rgba(255, 255, 255, 0.22);
    border: 1px solid rgba(255, 255, 255, 0.36);
    backdrop-filter: blur(10px) saturate(150%);
    -webkit-backdrop-filter: blur(10px) saturate(150%);
    box-shadow:
        0 16px 28px rgba(8, 32, 70, 0.14),
        inset 0 1px 0 rgba(255, 255, 255, 0.56);
    pointer-events: auto;
}

.corner-qr img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: clamp(12px, 1vw, 18px);
}

.corner-qr--top-left {
    top: clamp(108px, 15vh, 182px);
    left: clamp(16px, 2vw, 28px);
}

.corner-qr--top-right {
    top: clamp(108px, 15vh, 182px);
    right: clamp(16px, 2vw, 28px);
}

.corner-qr--bottom-left {
    bottom: clamp(16px, 2vw, 28px);
    left: clamp(16px, 2vw, 28px);
}

.corner-qr--bottom-right {
    bottom: clamp(16px, 2vw, 28px);
    right: clamp(16px, 2vw, 28px);
}

.site-header {
    position: relative;
    z-index: 2;
    padding: var(--header-offset-top) clamp(14px, 2vw, 28px) 0;
}

.site-header__inner {
    position: relative;
    overflow: hidden;
    max-width: min(1440px, calc(100vw - 64px));
    margin: 0 auto;
    padding: clamp(18px, 1.25vw, 28px) clamp(18px, 1.6vw, 30px) clamp(20px, 1.55vw, 30px);
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 18px 22px;
    align-items: center;
    border-radius: 32px;
    border: 1px solid rgba(255, 255, 255, 0.42);
    background: rgba(245, 249, 255, 0.26);
    backdrop-filter: blur(18px) saturate(165%);
    -webkit-backdrop-filter: blur(18px) saturate(165%);
    box-shadow:
        0 18px 54px rgba(8, 32, 70, 0.16),
        0 0 0 1px rgba(255, 255, 255, 0.10),
        inset 0 1px 0 rgba(255, 255, 255, 0.58),
        inset 0 -1px 0 rgba(255, 255, 255, 0.08);
}

.site-header__inner > * {
    position: relative;
    z-index: 1;
}

.site-header__inner::before {
    content: "";
    position: absolute;
    inset: 3px;
    border-radius: 29px;
    background:
        radial-gradient(circle at 12% 18%, rgba(255, 255, 255, 0.18) 0%, rgba(255, 255, 255, 0) 26%),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 0%, rgba(255, 255, 255, 0.08) 46%, rgba(255, 255, 255, 0.02) 100%);
    pointer-events: none;
}

.site-header__inner::after {
    content: "";
    position: absolute;
    left: 22px;
    right: 22px;
    bottom: 0;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(111, 180, 255, 0.16) 12%,
        rgba(128, 194, 255, 0.92) 28%,
        rgba(255, 184, 92, 0.94) 50%,
        rgba(128, 194, 255, 0.92) 72%,
        rgba(111, 180, 255, 0.16) 88%,
        rgba(255, 255, 255, 0) 100%);
    background-size: 220% 100%;
    box-shadow:
        0 0 12px rgba(114, 182, 255, 0.28),
        0 0 22px rgba(255, 165, 71, 0.16);
    animation: headerLightLine 9s linear infinite;
    pointer-events: none;
}

.site-header__text {
    position: relative;
    max-width: 950px;
    padding-left: 18px;
}

.site-header__text::before {
    content: "";
    position: absolute;
    left: 0;
    top: 6px;
    bottom: 6px;
    width: 4px;
    border-radius: 999px;
    background: linear-gradient(180deg, rgba(105, 176, 255, 0.96) 0%, rgba(255, 176, 84, 0.92) 100%);
    box-shadow:
        0 0 12px rgba(122, 188, 255, 0.32),
        0 0 18px rgba(255, 170, 71, 0.14);
}

.site-header__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: clamp(8px, 0.7vw, 12px);
    padding: clamp(8px, 0.65vw, 11px) clamp(14px, 1vw, 18px);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.34);
    border: 1px solid rgba(255, 255, 255, 0.34);
    color: #0c447f;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    box-shadow: 0 8px 18px rgba(15, 95, 194, 0.06);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.site-header h1 {
    margin: 0;
    max-width: 1120px;
    font-size: clamp(20px, 1.55vw, 38px);
    line-height: 1.14;
    letter-spacing: -0.025em;
    color: #07182f;
    text-shadow: 0 1px 10px rgba(255, 255, 255, 0.22);
    text-wrap: balance;
}

.site-header__actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    flex-shrink: 0;
}

.lang-toggle-form {
    margin: 0;
}

.lang-switch {
    position: relative;
}

.lang-switch--toggle {
    position: relative;
    isolation: isolate;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    min-width: clamp(210px, 13vw, 280px);
    height: clamp(56px, 3.2vw, 68px);
    padding: clamp(4px, 0.3vw, 6px);
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.34);
    background: rgba(255, 255, 255, 0.18);
    box-shadow:
        0 14px 28px rgba(8, 39, 84, 0.10),
        inset 0 1px 0 rgba(255, 255, 255, 0.52);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    cursor: pointer;
}

.lang-switch--toggle:focus-visible {
    outline: none;
    box-shadow:
        0 0 0 4px rgba(84, 154, 255, 0.16),
        0 14px 28px rgba(8, 39, 84, 0.12),
        inset 0 1px 0 rgba(255, 255, 255, 0.62);
}

.lang-switch__track {
    position: absolute;
    inset: 5px;
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(10, 62, 129, 0.08) 0%, rgba(255, 139, 30, 0.08) 100%);
}

.lang-switch__thumb {
    position: absolute;
    top: 5px;
    left: 5px;
    width: calc(50% - 5px);
    height: calc(100% - 10px);
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.76);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(241, 247, 255, 0.96) 100%);
    box-shadow:
        0 10px 18px rgba(9, 31, 63, 0.12),
        inset 0 1px 0 rgba(255, 255, 255, 0.96);
    transition: transform 240ms cubic-bezier(0.2, 0.8, 0.2, 1);
    will-change: transform;
}

.lang-switch__thumb.is-kk {
    transform: translateX(100%);
}

.lang-switch__thumb::after {
    content: "";
    position: absolute;
    inset: auto 16px 7px;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, rgba(91, 169, 255, 0.14) 0%, rgba(255, 165, 71, 0.44) 50%, rgba(91, 169, 255, 0.14) 100%);
}

.lang-switch__option {
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    min-width: 98px;
    padding: 0 clamp(14px, 1vw, 20px);
    border: 0;
    background: transparent;
    color: rgba(8, 41, 77, 0.78);
    text-decoration: none;
    font-size: clamp(14px, 0.82vw, 18px);
    font-weight: 900;
    letter-spacing: 0.12em;
    transition: color var(--transition), transform var(--transition);
    user-select: none;
    cursor: pointer;
}

.lang-switch__option:hover {
    transform: translateY(-1px);
}

.lang-switch__option.is-active {
    color: #07182f;
}

.lang-switch__checkbox {
    position: absolute;
    inset: 0;
    opacity: 0;
    pointer-events: none;
}

@keyframes headerLightLine {
    0% {
        background-position: 220% 0;
    }
    100% {
        background-position: -20% 0;
    }
}

.registration-shell {
    position: relative;
    z-index: 2;
    display: grid;
    align-items: start;
    justify-items: center;
    gap: clamp(20px, 2.8vh, 34px);
    min-height: calc(100vh - 150px);
    padding: clamp(42px, 8vh, 92px) 32px 42px;
}

.registration-card {
    width: min(760px, calc(100vw - 32px));
    padding: clamp(16px, 2vw, 20px);
    border-radius: clamp(22px, 3vw, 30px);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.93) 0%, rgba(243, 248, 255, 0.96) 100%);
    backdrop-filter: blur(12px);
    box-shadow: 0 24px 62px rgba(15, 39, 77, 0.16);
    border: 1px solid rgba(255, 255, 255, 0.62);
    transition: padding var(--transition), box-shadow var(--transition), background var(--transition), transform var(--transition);
}

.registration-card.is-active {
    padding: clamp(20px, 2.4vw, 26px);
    transform: translateY(-2px);
}

.registration-card__header {
    display: none;
}

.registration-card__header h2 {
    margin: 0 0 8px;
    font-size: clamp(22px, 2.5vw, 30px);
}

.registration-card__header p {
    margin: 0;
    color: var(--muted);
    font-size: 15px;
}

.search-block {
    position: relative;
    z-index: 3;
    display: flex;
    flex-direction: column;
    margin-bottom: 0;
}

.registration-card.is-active .search-block,
.participant-card:not([hidden]) {
    margin-bottom: 18px;
}

.participant-search {
    width: 100%;
    min-height: clamp(62px, 8vw, 74px);
    border-radius: clamp(18px, 2.5vw, 24px);
    border: 1px solid rgba(105, 155, 225, 0.34);
    background: rgba(255, 255, 255, 0.96);
    padding: 0 clamp(18px, 3vw, 26px);
    font-size: clamp(17px, 2vw, 22px);
    font-weight: 700;
    color: var(--text);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.92), 0 10px 22px rgba(15, 95, 194, 0.06);
    transition: var(--transition);
}

.participant-search:focus {
    outline: none;
    border-color: rgba(15, 95, 194, 0.44);
    box-shadow: 0 0 0 4px rgba(15, 95, 194, 0.10), 0 12px 28px rgba(15, 95, 194, 0.08);
}

.participant-dropdown {
    position: relative;
    z-index: 4;
    width: 100%;
    margin-top: 12px;
    max-height: min(320px, 36vh);
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 10px;
    border-radius: clamp(18px, 2.4vw, 24px);
    background: rgba(255, 255, 255, 0.97);
    border: 1px solid rgba(15, 95, 194, 0.14);
    box-shadow: 0 18px 38px rgba(15, 39, 77, 0.14);
    scrollbar-width: thin;
    scrollbar-color: rgba(15, 95, 194, 0.45) rgba(222, 232, 246, 0.75);
}

.participant-dropdown::-webkit-scrollbar {
    width: 10px;
}

.participant-dropdown::-webkit-scrollbar-track {
    background: rgba(222, 232, 246, 0.75);
    border-radius: 999px;
}

.participant-dropdown::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, rgba(15, 95, 194, 0.64) 0%, rgba(62, 129, 209, 0.84) 100%);
    border-radius: 999px;
    border: 2px solid rgba(222, 232, 246, 0.75);
}


.participant-dropdown {
    scrollbar-width: thin;
    scrollbar-color: rgba(15, 95, 194, 0.45) rgba(228, 237, 248, 0.72);
}

.participant-dropdown::-webkit-scrollbar {
    width: 10px;
}

.participant-dropdown::-webkit-scrollbar-track {
    background: rgba(228, 237, 248, 0.72);
    border-radius: 999px;
}

.participant-dropdown::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, rgba(15, 95, 194, 0.52) 0%, rgba(255, 139, 30, 0.52) 100%);
    border-radius: 999px;
    border: 2px solid rgba(228, 237, 248, 0.72);
}

.participant-option {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 100%;
    padding: 14px 16px;
    border: 0;
    border-radius: 16px;
    background: transparent;
    cursor: pointer;
    text-align: left;
    transition: var(--transition);
}

.participant-option:hover,
.participant-option:focus {
    background: rgba(15, 95, 194, 0.08);
    outline: none;
}

.participant-option__name {
    font-weight: 700;
    font-size: clamp(16px, 0.95vw, 22px);
}

.participant-option__status {
    font-size: clamp(13px, 0.75vw, 17px);
    color: var(--muted);
}

.keyboard-card[hidden] {
    display: none;
}

.keyboard-card {
    position: relative;
    z-index: 1;
    margin-bottom: 18px;
    padding: clamp(14px, 2vw, 18px);
    border-radius: clamp(18px, 2.8vw, 24px);
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(15, 95, 194, 0.10);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.88);
}

.keyboard-card__title {
    margin-bottom: 12px;
    font-size: clamp(14px, 0.8vw, 18px);
    font-weight: 700;
    color: var(--primary-dark);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.virtual-keyboard {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.keyboard-row {
    display: grid;
    grid-template-columns: repeat(12, minmax(42px, 1fr));
    gap: clamp(6px, 1vw, 8px);
}

.keyboard-key {
    min-height: clamp(44px, 5vw, 52px);
    padding: 0 10px;
    border: 0;
    border-radius: 14px;
    background: #fff;
    color: var(--text);
    font-size: clamp(14px, 1.6vw, 16px);
    font-weight: 700;
    box-shadow: 0 8px 18px rgba(15, 39, 77, 0.10);
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.keyboard-key:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 20px rgba(15, 39, 77, 0.14);
}

.keyboard-key[data-action="backspace"],
.keyboard-key[data-action="clear"] {
    background: rgba(255, 139, 30, 0.15);
    color: #9e5200;
}

.keyboard-key[data-action="space"] {
    grid-column: span 4;
}

.keyboard-key[data-action="backspace"] {
    grid-column: span 2;
}

.keyboard-key[data-action="clear"] {
    grid-column: span 2;
}

.participant-card {
    padding: clamp(18px, 2vw, 24px);
    border-radius: clamp(18px, 2.6vw, 24px);
    background: linear-gradient(180deg, rgba(15, 95, 194, 0.08) 0%, rgba(255, 255, 255, 0.92) 100%);
    border: 1px solid rgba(15, 95, 194, 0.14);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.92), 0 10px 24px rgba(15, 39, 77, 0.06);
}

.participant-card__title {
    margin-bottom: 14px;
    font-size: clamp(18px, 1.05vw, 24px);
    font-weight: 800;
}

.participant-meta {
    margin: 0 0 18px;
}

.participant-meta__row {
    display: grid;
    grid-template-columns: clamp(120px, 9vw, 180px) 1fr;
    gap: 12px;
    padding: clamp(10px, 0.7vw, 14px) 0;
    border-bottom: 1px dashed rgba(13, 28, 49, 0.12);
}

.participant-meta__row:last-child {
    border-bottom: 0;
}

.participant-meta dt {
    font-weight: 700;
    color: var(--muted);
}

.participant-meta dd {
    margin: 0;
    font-weight: 700;
}

.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: clamp(50px, 3.2vw, 66px);
    padding: 0 clamp(22px, 1.3vw, 30px);
    border-radius: 14px;
    border: 0;
    text-decoration: none;
    cursor: pointer;
    font-weight: 800;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, #ff9d3d 100%);
    color: #fff;
    box-shadow: 0 12px 24px rgba(255, 139, 30, 0.24);
}

.btn-primary:hover {
    transform: translateY(-1px);
}

.btn-primary.is-disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

.btn-secondary {
    background: rgba(15, 95, 194, 0.10);
    color: var(--primary-dark);
    box-shadow: 0 10px 22px rgba(15, 95, 194, 0.08);
}

.admin-link {
    display: none;
    justify-content: flex-end;
    align-items: center;
    gap: 12px;
    margin-top: 18px;
    font-size: 14px;
    color: var(--muted);
}

.admin-link a {
    color: var(--primary-dark);
    font-weight: 800;
    text-decoration: none;
}

.modal[hidden] {
    display: none;
}

.modal {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: grid;
    place-items: center;
    padding: 24px;
}

.modal__backdrop {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 50% 18%, rgba(115, 183, 255, 0.14) 0%, rgba(115, 183, 255, 0) 34%),
        linear-gradient(180deg, rgba(6, 20, 45, 0.60) 0%, rgba(6, 20, 45, 0.72) 100%);
    backdrop-filter: blur(14px);
}

.modal__dialog {
    position: relative;
    z-index: 1;
    overflow: hidden;
    width: min(640px, calc(100vw - 32px));
    padding: 34px 30px 28px;
    border-radius: 34px;
    border: 1px solid transparent;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(245, 249, 255, 0.94) 100%) padding-box,
        linear-gradient(135deg, rgba(255,255,255,0.84) 0%, rgba(132, 192, 255, 0.46) 38%, rgba(255, 182, 86, 0.38) 64%, rgba(255,255,255,0.84) 100%) border-box;
    box-shadow:
        0 36px 90px rgba(0, 16, 40, 0.34),
        0 0 0 1px rgba(255,255,255,0.10),
        inset 0 1px 0 rgba(255,255,255,0.88);
    text-align: center;
    backdrop-filter: blur(10px);
    animation: modalDialogIn 260ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.modal__dialog::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at top right, rgba(109, 179, 255, 0.18) 0%, rgba(109, 179, 255, 0) 32%),
        radial-gradient(circle at left top, rgba(255,255,255,0.34) 0%, rgba(255,255,255,0) 24%);
    pointer-events: none;
}

.modal__dialog::after {
    content: "";
    position: absolute;
    left: 24px;
    right: 24px;
    bottom: 0;
    height: 3px;
    border-radius: 999px;
    background: linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(114,182,255,0.82) 26%, rgba(255,176,78,0.94) 50%, rgba(114,182,255,0.82) 74%, rgba(255,255,255,0) 100%);
    box-shadow: 0 0 18px rgba(114,182,255,0.24), 0 0 24px rgba(255,176,78,0.16);
}

.modal__kicker {
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    padding: 9px 16px;
    border-radius: 999px;
    border: 1px solid rgba(15, 95, 194, 0.12);
    background: rgba(255,255,255,0.76);
    color: #0c447f;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    box-shadow: 0 10px 24px rgba(15, 95, 194, 0.08);
}

.modal__icon {
    position: relative;
    z-index: 1;
    width: 108px;
    height: 108px;
    margin: 0 auto 18px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background:
        radial-gradient(circle at 30% 30%, rgba(255,255,255,0.98) 0%, rgba(239,245,255,0.96) 56%, rgba(224,236,255,0.92) 100%);
    border: 1px solid rgba(15, 95, 194, 0.10);
    box-shadow:
        0 22px 40px rgba(15, 95, 194, 0.12),
        inset 0 1px 0 rgba(255,255,255,0.96);
}

.modal__icon::before {
    content: "";
    position: absolute;
    inset: -10px;
    border-radius: 50%;
    border: 1px solid rgba(106, 177, 255, 0.16);
}

.modal__icon::after {
    content: "";
    position: absolute;
    inset: -22px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(109, 179, 255, 0.16) 0%, rgba(255,176,78,0.10) 42%, rgba(255,255,255,0) 74%);
    z-index: -1;
    filter: blur(12px);
}

.modal__icon span {
    font-size: 46px;
    font-weight: 900;
    color: #0f5fc2;
    line-height: 1;
    text-shadow: 0 6px 16px rgba(15, 95, 194, 0.18);
}

.modal__dialog h3 {
    position: relative;
    z-index: 1;
    margin: 0 0 10px;
    font-size: clamp(28px, 3vw, 38px);
    line-height: 1.08;
    color: #081a31;
    letter-spacing: -0.03em;
}

.modal__message {
    position: relative;
    z-index: 1;
    margin: 0 auto 18px;
    max-width: 480px;
    font-size: clamp(17px, 2vw, 21px);
    line-height: 1.45;
    color: #22354b;
}

.modal__participant {
    position: relative;
    z-index: 1;
    margin: 0 0 16px;
    padding: 16px 18px;
    border-radius: 22px;
    background: rgba(255,255,255,0.74);
    border: 1px solid rgba(15, 95, 194, 0.10);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.94);
}

.modal__participant-name {
    font-size: clamp(20px, 2.3vw, 24px);
    font-weight: 900;
    color: #081a31;
    line-height: 1.24;
}

.modal__participant-status {
    margin-top: 6px;
    font-size: 15px;
    font-weight: 700;
    color: #5d6d80;
}

.modal__extra {
    position: relative;
    z-index: 1;
    min-height: 18px;
    margin: 0 0 18px;
    color: var(--muted);
    font-size: 14px !important;
    line-height: 1.45;
}

.modal__actions {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
}

.modal__button {
    min-width: 220px;
    min-height: 54px;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(15, 95, 194, 0.10) 0%, rgba(255,255,255,0.88) 100%);
    border: 1px solid rgba(15, 95, 194, 0.10);
    box-shadow: 0 12px 24px rgba(15, 95, 194, 0.08);
}

@keyframes modalDialogIn {
    0% {
        opacity: 0;
        transform: translateY(16px) scale(0.97);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    border: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
}

@media (max-width: 980px) {
    .site-header {
        padding: 16px 16px 0;
    }

    .site-header__inner {
        padding: 16px 16px 18px;
        grid-template-columns: 1fr;
        gap: 14px;
        align-items: stretch;
    }

    .site-header__inner::after {
        left: 16px;
        right: 16px;
    }

    .site-header__text {
        padding-left: 14px;
    }

    .site-header__actions {
        justify-content: flex-start;
    }

    .registration-shell {
        padding: clamp(16px, 4vh, 36px) 16px 28px;
        align-items: start;
    }

    .registration-card,
    .registration-card.is-active {
        width: min(100%, 760px);
        padding: 18px;
    }

    .participant-dropdown {
        max-height: min(280px, 34vh);
    }

    .side-logo {
        width: clamp(145px, 20vw, 200px);
        top: 39%;
    }

    .side-logo::before {
        inset: -14px;
        filter: blur(14px);
    }
}

@media (max-width: 720px) {
    .side-logos {
        display: none;
    }

    .site-extra-logo {
        width: clamp(145px, 28vw, 200px);
        padding: 8px;
    }

    .corner-qr {
        width: 78px;
        padding: 6px;
        border-radius: 16px;
    }

    .corner-qr--top-left,
    .corner-qr--top-right {
        top: 110px;
    }

    .corner-qr--bottom-left,
    .corner-qr--bottom-right {
        bottom: 10px;
    }

    .site-header {
        padding: 14px 12px 0;
    }

    .site-header__inner {
        border-radius: 26px;
    }

    .site-header__inner::before {
        inset: 2px;
        border-radius: 23px;
    }

    .site-header__text {
        padding-left: 12px;
    }

    .site-header__text::before {
        width: 3px;
        top: 5px;
        bottom: 5px;
    }

    .site-header__eyebrow {
        font-size: 11px;
        letter-spacing: 0.05em;
    }

    .site-header h1 {
        font-size: 17px;
    }

    .lang-switch--toggle {
        width: 100%;
        min-width: 0;
        height: 56px;
    }

    .lang-switch__option {
        min-width: 0;
        padding: 0 12px;
        font-size: 14px;
        letter-spacing: 0.10em;
    }

    .registration-shell {
        padding: 14px 12px 22px;
    }

    .registration-card,
    .registration-card.is-active {
        width: calc(100vw - 24px);
        padding: 14px;
        border-radius: 20px;
    }

    .participant-search {
        min-height: 58px;
        font-size: 16px;
    }

    .participant-dropdown {
        margin-top: 10px;
        max-height: min(240px, 32vh);
        padding: 8px;
        border-radius: 16px;
    }

    .participant-option {
        padding: 12px 14px;
        border-radius: 14px;
    }

    .participant-option__name {
        font-size: 15px;
    }

    .participant-option__status {
        font-size: 12px;
    }

    .keyboard-card {
        padding: 12px;
        border-radius: 18px;
    }

    .keyboard-row {
        grid-template-columns: repeat(6, minmax(0, 1fr));
    }

    .keyboard-key[data-action="space"] {
        grid-column: span 3;
    }

    .keyboard-key[data-action="backspace"],
    .keyboard-key[data-action="clear"] {
        grid-column: span 2;
    }

    .participant-card {
        padding: 16px;
    }

    .participant-meta__row {
        grid-template-columns: 1fr;
        gap: 4px;
    }

    .modal__dialog {
        width: calc(100vw - 24px);
        margin-top: 10vh;
        padding: 26px 18px 20px;
        border-radius: 24px;
    }

    .modal__dialog::after {
        width: 64px;
        height: 64px;
        margin-bottom: 14px;
        font-size: 30px;
    }

    .admin-link {
        justify-content: center;
        flex-wrap: wrap;
    }
}


@media (min-width: 1800px) {
    .site-header__inner {
        border-radius: 36px;
    }

    .site-header__inner::before {
        border-radius: 33px;
    }

    .registration-card {
        border-radius: 32px;
    }

    .participant-dropdown {
        padding: 14px;
    }

    .keyboard-row {
        gap: 10px;
    }
}

@media (max-width: 1180px) {
    .registration-shell {
        padding-top: clamp(120px, 16vh, 170px);
    }
}

@media (max-width: 820px) {
    body.landing-page {
        --shell-top-padding: 116px;
        --card-width-fluid: min(100%, calc(100vw - 24px));
    }

    .site-header__inner {
        max-width: calc(100vw - 24px);
    }

    .registration-shell {
        padding-left: 12px;
        padding-right: 12px;
    }

    .participant-dropdown {
        max-height: min(34vh, 320px);
    }
}

@media (max-width: 560px) {
    body.landing-page {
        --shell-top-padding: 108px;
    }

    .registration-card,
    .registration-card.is-active {
        padding: 16px;
    }

    .participant-search {
        font-size: 16px;
    }

    .participant-dropdown {
        padding: 8px;
        max-height: min(32vh, 280px);
    }

    .keyboard-card {
        padding: 12px;
    }
}

@media (max-width: 520px) {
    .site-extra-logo {
        width: min(190px, 52vw);
        padding: 8px;
    }
}