.container {
    max-width: 500px;
    margin: 40px auto;
    /* background: rgba(229, 227, 227, 0.626); increased transparency so background shows through more */
    background: transparent;
    padding: 30px 40px;
    border-radius: 10px;
    box-shadow: 0 6px 22px rgba(0,0,0,0.12);
    text-align: center;
    backdrop-filter: blur(6px); /* subtle blur of background behind the container */
    border: 1px solid rgba(255,255,255,0.38);
}
.main-logo {
    width: 120px;
    border-radius: 50%;
    margin-bottom: 16px;
}
#uploadForm {
    margin: 24px 0;
}
#result {
    margin-top: 18px;
    font-size: 16px;
}
.download-link {
    display: block;
    margin-top: 12px;
    color: #1a73e8;
    text-decoration: underline;
}
button {
    background: #1a73e8;
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 10px 22px;
    font-size: 16px;
    cursor: pointer;
    margin: 8px 0;
    transition: background 0.2s;
}
button:hover {
    background: #1558b0;
}
.feedback-popup {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.18);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}
.feedback-popup-content {
    background: #fff;
    padding: 32px;
    border-radius: 10px;
    box-shadow: 0 2px 16px rgba(0,0,0,0.12);
    min-width: 320px;
    position: relative;
}
.close-btn {
    position: absolute;
    top: 12px;
    right: 18px;
    font-size: 24px;
    cursor: pointer;
}
/* Floating icon stack on the right side */
.floating-stack {
    position: fixed;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
    pointer-events: auto;
}
.floating-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.14);
    cursor: pointer;
    text-decoration: none;
    color: #111;
    font-size: 20px;
    transition: transform 160ms cubic-bezier(.2, .9, .2, 1), box-shadow 160ms ease;
}
.floating-icon:hover,
.floating-icon:focus {
    transform: translateY(-4px) scale(1.06);
    box-shadow: 0 10px 22px rgba(0, 0, 0, 0.22);
    outline: none;
}
.floating-icon.youtube {
    background: linear-gradient(180deg, #f57878, #cc0000);
    color: #fff;
}
.floating-icon svg {
    display: block;
    fill: currentColor;
}
#loadingMessage {
    display: none;
    margin-top: 12px;
    color: #fff;
    font-size: 18px;
    font-weight: 600;
}
.promo-note {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 22px auto;
    padding: 12px 18px;
    max-width: 900px;
    background: rgba(255,255,255,0.85);
    border-radius: 10px;
    box-shadow: 0 6px 18px rgba(15,23,42,0.06);
    text-align: center;
}
.promo-note p {
    margin: 0;
    color: #111;
    font-size: 14px;
    line-height: 1.5;
}
.promo-note a {
    color: #1a73e8;
    text-decoration: none;
    font-weight: 600;
}
.promo-note a:hover {
    text-decoration: underline;
}

/* Feedback form styling */
.feedback-popup-content h2 {
	margin-top: 0;
	margin-bottom: 8px;
	font-size: 1.25rem;
	color: #111;
}
.feedback-popup-content form {
	display: flex;
	flex-direction: column;
	gap: 10px;
}
.feedback-popup-content input[type="text"],
.feedback-popup-content input[type="email"],
.feedback-popup-content textarea {
	width: 100%;
	box-sizing: border-box;
	padding: 10px 12px;
	border: 1px solid #e3e7ee;
	border-radius: 8px;
	font-size: 14px;
	background: #fff;
	color: #111;
	transition: box-shadow .15s ease, border-color .15s ease;
}
.feedback-popup-content input[type="text"]:focus,
.feedback-popup-content input[type="email"]:focus,
.feedback-popup-content textarea:focus {
	outline: none;
	border-color: #9fc3ff;
	box-shadow: 0 6px 18px rgba(26,115,232,0.12);
}
.feedback-popup-content textarea {
	min-height: 110px;
	resize: vertical;
}
.feedback-popup-content .hidden {
	display: none !important;
}
.feedback-popup-content button[type="submit"] {
	background: #1a73e8;
	color: #fff;
	border: none;
	padding: 10px 14px;
	border-radius: 8px;
	font-size: 15px;
	cursor: pointer;
	align-self: flex-end;
	transition: background .12s ease, transform .06s ease;
}
.feedback-popup-content button[type="submit"]:hover {
	background: #1558b0;
	transform: translateY(-1px);
}

/* Make popup narrower on small screens */
@media (max-width: 480px) {
	.feedback-popup-content {
		width: calc(100% - 32px);
		padding: 20px;
	}
	.feedback-popup-content button[type="submit"] {
		width: 100%;
		align-self: stretch;
	}
}

@media (max-width: 520px) {
    .promo-note {
        margin: 16px 12px;
        padding: 10px 12px;
    }
    .promo-note p { font-size: 13px; }
}