html,
body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background:
        radial-gradient(circle at 12% 0%, rgba(78, 161, 255, 0.16), transparent 32rem),
        radial-gradient(circle at 88% 4%, rgba(70, 211, 154, 0.12), transparent 28rem),
        #0b1020;
    color: #f5f5f5;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

:root {
    --dumper-bg: #0b1020;
    --dumper-panel: #121a2f;
    --dumper-panel-soft: #17213a;
    --dumper-text: #f5f7fb;
    --dumper-muted: #c7d0df;
    --dumper-muted-soft: #9aa7bd;
    --dumper-border: rgba(255, 255, 255, 0.11);
    --dumper-blue: #4ea1ff;
    --dumper-green: #46d39a;
    --dumper-danger: #ff6b4a;
    --dumper-radius: 8px;
    --dumper-shadow: 0 20px 50px rgba(0, 0, 0, 0.28);
}

* {
    box-sizing: border-box;
}

a,
button,
label {
    -webkit-tap-highlight-color: transparent;
}

.wrap {
    margin: 0 auto;
    padding: 24px;
    width: 100%;
}

.card {
    background: linear-gradient(180deg, rgba(18, 26, 47, 0.98), rgba(23, 33, 58, 0.95));
    border: 1px solid var(--dumper-border);
    border-radius: var(--dumper-radius);
    box-shadow: var(--dumper-shadow);
}

.muted {
    color: var(--dumper-muted);
    line-height: 1.45;
}

h1,
h2,
h3 {
    line-height: 1.12;
}

.btn,
button {
    min-height: 48px;
    border: 0;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--dumper-blue), var(--dumper-green));
    color: #06101f;
    cursor: pointer;
    font-weight: bold;
    text-decoration: none;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.24);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 16px;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--dumper-border);
    color: var(--dumper-text);
}

.btn:focus-visible,
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 3px solid rgba(78, 161, 255, 0.68);
    outline-offset: 3px;
}

input[type="text"],
textarea {
    border-color: rgba(255, 255, 255, 0.16);
    background: rgba(8, 13, 28, 0.78);
    color: var(--dumper-text);
}

input[type="text"]::placeholder,
textarea::placeholder {
    color: #76869c;
}

.topbar {
    position: absolute;
    top: 12px;
    left: 12px;
    right: 12px;
    z-index: 10;
    width: fit-content;
    max-width: calc(100% - 24px);
    background: rgba(17, 17, 17, 0.94);
    color: #fff;
    padding: 9px 12px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    font-size: 14px;
    font-weight: bold;
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.32);
}

.panic-btn {
    position: absolute;
    left: 50%;
    bottom: max(22px, env(safe-area-inset-bottom));
    transform: translateX(-50%);
    z-index: 10;
    min-width: min(90vw, 310px);
    padding: 15px 22px;
    border-radius: 999px;
    background: #d32f2f;
    font-size: 15px;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.38);
}

.sheet {
    position: absolute;
    left: 12px;
    right: 12px;
    bottom: calc(88px + env(safe-area-inset-bottom));
    z-index: 11;
    display: none;
    max-width: 640px;
    margin: 0 auto;
    padding: 16px;
    background: rgba(17, 17, 17, 0.96);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 18px;
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.42);
}

.sheet h3 {
    margin: 0 0 12px;
}

.spot {
    display: block;
    color: #fff;
    text-decoration: none;
    background: #1f1f1f;
    border: 1px solid #2a2a2a;
    padding: 13px;
    border-radius: 12px;
    margin-top: 8px;
}

.spot strong {
    line-height: 1.3;
}

@media (max-width: 520px) {
    .wrap {
        padding: 14px;
    }
}