:root {
    --btn-size: clamp(120px, 36vmin, 200px);
    --btn-border-width: clamp(4px, 2.5vmin, 5px);
    --color-start: #ff1307;
    --color-end: #ff9500;
    --transition-speed: 180ms;
}

.record-wrapper {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (max-width: 767px) {
    .record-wrapper {
        min-height: calc(100vh - var(--mobile-bottom-nav-height) - 200px);
    }
}


.btn-record {
    --inner-gradient: linear-gradient(135deg, var(--color-start), var(--color-end));
    --border-gradient: linear-gradient(135deg, var(--color-end), var(--color-start));

    width: var(--btn-size);
    height: var(--btn-size);
    border-radius: 50%;
    padding: 0.5rem;

    background-image: var(--inner-gradient), var(--border-gradient);
    background-origin: padding-box, border-box;
    background-clip: padding-box, border-box;

    border: var(--btn-border-width) solid transparent;
    display: inline-flex;
    align-items: center;
    justify-content: center;

    color: white;
    font-weight: 600;
    font-size: clamp(1.1rem, 4vw, 1.5rem);
    text-transform: none;
    text-shadow: 0 1px 0 rgba(0, 0, 0, 0.2);

    cursor: pointer;
    outline: none;
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.18), inset 0 -6px 18px rgba(0, 0, 0, 0.08);
}

.btn-record:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.24), inset 0 -6px 18px rgba(0, 0, 0, 0.06);
}

.btn-record:active {
    transform: translateY(0) scale(0.99);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.18), inset 0 -4px 12px rgba(0, 0, 0, 0.06);
}

.btn-record:focus {
    box-shadow: 0 0 0 6px rgba(255, 149, 0, 0.15);
}

.btn-record .label {
    display: block;
    line-height: 1;
    pointer-events: none;
}

#categorySearch {
    border: none;
    outline: none;
    flex: 1 1 auto;
    min-width: 120px;
    padding: 0;
    background: transparent;
}

#categorySearch:focus {
    box-shadow: none;
}