body {
    background-color: pink;
    font-family: "Comic Sans MS", cursive;
    color: red;
    text-align: center;
    margin: 0;
    overflow-x: hidden;
}

.container {
    border: 4px dashed red;
    padding: 15px;
    margin: 10px auto;
    width: 90%;
    max-width: 600px;
    background-color: #ffe6f2;
    position: relative;
    z-index: 1;
}

/* MARQUEE */
.marquee-wrap {
    width: 100%;
    overflow: hidden;
}

/* TEXT EFFECTS */
.blink {
    animation: blinker 1s linear infinite;
}

@keyframes blinker {
    50% { opacity: 0; }
}

.rainbow {
    animation: rainbow 3s infinite;
}

@keyframes rainbow {
    0% { color: red; }
    50% { color: purple; }
    100% { color: red; }
}

/* FLOATING HEARTS */
.hearts {
    position: fixed;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.heart {
    position: absolute;
    width: 14px;
    height: 14px;
    background: red;
    transform: rotate(45deg);
    animation: floatUp linear infinite;
}

.heart::before,
.heart::after {
    content: "";
    position: absolute;
    width: 14px;
    height: 14px;
    background: red;
    border-radius: 50%;
}

.heart::before { top: -7px; }
.heart::after { left: -7px; }

@keyframes floatUp {
    from { transform: translateY(100vh) rotate(45deg); opacity: 1; }
    to { transform: translateY(-10vh) rotate(45deg); opacity: 0; }
}

/* HEART POSITIONS */
.heart:nth-child(1) { left: 10%; animation-duration: 6s; }
.heart:nth-child(2) { left: 25%; animation-duration: 8s; }
.heart:nth-child(3) { left: 40%; animation-duration: 7s; }
.heart:nth-child(4) { left: 55%; animation-duration: 9s; }
.heart:nth-child(5) { left: 70%; animation-duration: 6s; }
.heart:nth-child(6) { left: 85%; animation-duration: 10s; }

/* CURSOR HEARTS */
.cursor-heart {
    position: fixed;
    width: 10px;
    height: 10px;
    background: hotpink;
    transform: rotate(45deg);
    pointer-events: none;
    z-index: 9999;
    animation: fadeOut 1s forwards;
}

.cursor-heart::before,
.cursor-heart::after {
    content: "";
    position: absolute;
    width: 10px;
    height: 10px;
    background: hotpink;
    border-radius: 50%;
}

.cursor-heart::before { top: -5px; }
.cursor-heart::after { left: -5px; }

@keyframes fadeOut {
    to { transform: translateY(-20px) rotate(45deg); opacity: 0; }
}

/* FORM */
.signup-form input,
.signup-form textarea {
    width: 90%;
    max-width: 400px;
    padding: 8px;
    border: 2px solid red;
    background: #fff0f5;
    font-family: "Comic Sans MS", cursive;
}

.signup-form input[type="submit"] {
    background: hotpink;
    color: white;
    font-weight: bold;
}

/* =========================
   OBNOXIOUS POPUP
========================= */

.popup {
    display: none;
    position: fixed;
    inset: 0;
    justify-content: center;
    align-items: center;
    background: repeating-linear-gradient(
        45deg,
        rgba(255,0,100,0.6),
        rgba(255,0,100,0.6) 10px,
        rgba(255,255,0,0.4) 10px,
        rgba(255,255,0,0.4) 20px
    );
    animation: bgFlash 0.3s infinite alternate;
    z-index: 10000;
}

@keyframes bgFlash {
    from { filter: hue-rotate(0deg); }
    to { filter: hue-rotate(90deg); }
}

.popup-content {
    background: #fff0f5;
    border: 6px double red;
    padding: 25px;
    text-align: center;
    animation: shake 0.2s infinite, glow 1s infinite alternate;
    box-shadow: 0 0 20px hotpink;
}

@keyframes shake {
    0% { transform: translate(0,0) rotate(0deg); }
    50% { transform: translate(2px,-2px) rotate(1deg); }
    100% { transform: translate(0,0) rotate(0deg); }
}

@keyframes glow {
    from { box-shadow: 0 0 10px hotpink; }
    to { box-shadow: 0 0 30px red; }
}

.blink-fast {
    animation: blinker 0.3s infinite;
}

.rainbow-fast {
    animation: rainbow 0.8s infinite;
}

.popup-content button {
    margin-top: 15px;
    padding: 12px 25px;
    font-family: "Comic Sans MS", cursive;
    background: linear-gradient(90deg, hotpink, red, yellow);
    border: 4px outset red;
    color: white;
    cursor: pointer;
}