:root {
    --tg: #2aabee;
    --tg-2: #229ed9;
    --tg-deep: #0088cc;
    --tg-hover: #1d8cc0;
    --ink: #0f1722;
    --muted: #8696a7;
    --card: #ffffff;
    --bubble: #eef6fc;
    --radius: 22px;
    --shadow: 0 24px 60px -22px rgba(0, 90, 150, 0.45);
}

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

body {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--ink);
    -webkit-font-smoothing: antialiased;
}

/* ---------- Telegram-blue backdrop ---------- */
.bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    background:
        radial-gradient(900px 500px at 50% -5%, #5ec2f0 0%, transparent 60%),
        linear-gradient(160deg, var(--tg) 0%, var(--tg-2) 45%, var(--tg-deep) 100%);
}

/* subtle messenger-pattern dots */
.bg::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255, 255, 255, 0.16) 1.5px, transparent 1.6px);
    background-size: 26px 26px;
    opacity: 0.5;
    -webkit-mask-image: radial-gradient(120% 90% at 50% 0%, #000 30%, transparent 75%);
            mask-image: radial-gradient(120% 90% at 50% 0%, #000 30%, transparent 75%);
}

/* ---------- card ---------- */
.card {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 400px;
    padding: 0 26px 26px;
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
    overflow: hidden;
    animation: rise 0.55s cubic-bezier(.21,.99,.43,1) both;
}

/* ---------- cover image ---------- */
.card__cover {
    margin: 0 -26px;
    aspect-ratio: 16 / 9;
    background: #d7e8f4;
    overflow: hidden;
}

.card__cover img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card__cover--fallback {
    background:
        radial-gradient(120px 120px at 30% 30%, rgba(255,255,255,.35), transparent 70%),
        linear-gradient(135deg, var(--tg) 0%, var(--tg-deep) 100%);
}

@keyframes rise {
    from { opacity: 0; transform: translateY(22px) scale(0.98); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ---------- avatar ---------- */
.card__avatar {
    position: relative;
    width: 88px;
    height: 88px;
    margin: -44px auto 14px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--tg) 0%, var(--tg-deep) 100%);
    box-shadow: 0 14px 30px -10px rgba(34, 158, 217, 0.8);
    border: 4px solid #fff;
}

.card__plane {
    width: 44px;
    height: 44px;
    fill: #fff;
    transform: translateX(-1px);
}

.card__status {
    position: absolute;
    right: 4px;
    bottom: 4px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #34d058;
    border: 3px solid #fff;
    box-shadow: 0 0 0 0 rgba(52, 208, 88, 0.7);
    animation: pulse 1.8s infinite;
}

@keyframes pulse {
    0%   { box-shadow: 0 0 0 0 rgba(52, 208, 88, 0.6); }
    70%  { box-shadow: 0 0 0 8px rgba(52, 208, 88, 0); }
    100% { box-shadow: 0 0 0 0 rgba(52, 208, 88, 0); }
}

/* ---------- text ---------- */
.card__title {
    font-size: 23px;
    font-weight: 750;
    line-height: 1.25;
    letter-spacing: -0.02em;
}

.card__handle {
    margin-top: 4px;
    font-size: 14px;
    font-weight: 600;
    color: var(--tg-2);
}

/* ---------- message bubble ---------- */
.card__bubble {
    position: relative;
    margin: 20px auto 0;
    max-width: 320px;
    padding: 12px 16px 18px;
    text-align: left;
    background: var(--bubble);
    border-radius: 16px 16px 16px 6px;
    font-size: 15px;
    line-height: 1.5;
    color: #243240;
}

.card__bubble::before {
    content: "";
    position: absolute;
    left: -7px;
    bottom: 0;
    width: 14px;
    height: 14px;
    background: var(--bubble);
    border-bottom-right-radius: 14px;
    -webkit-mask: radial-gradient(14px at 0 0, transparent 98%, #000);
            mask: radial-gradient(14px at 0 0, transparent 98%, #000);
}

.card__time {
    display: block;
    margin-top: 4px;
    font-size: 11px;
    text-align: right;
    color: var(--muted);
}

/* ---------- button ---------- */
.btn {
    margin-top: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    height: 54px;
    border-radius: 14px;
    font-size: 16px;
    font-weight: 650;
    color: #fff;
    text-decoration: none;
    background: linear-gradient(135deg, var(--tg) 0%, var(--tg-2) 100%);
    box-shadow: 0 14px 30px -10px rgba(34, 158, 217, 0.8);
    transition: transform .15s ease, box-shadow .2s ease, filter .2s ease;
}

.btn__icon {
    width: 22px;
    height: 22px;
    fill: currentColor;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 38px -10px rgba(34, 158, 217, 0.9);
    filter: brightness(1.03);
}

.btn:active {
    transform: translateY(0);
}

.card__note {
    margin-top: 16px;
    font-size: 13px;
    color: var(--muted);
}

@media (max-width: 480px) {
    .card { padding: 24px 20px; }
    .card__title { font-size: 21px; }
    .card__bubble { font-size: 14px; }
}