/* --- NARUTO SHURIKEN CURSOR THEME --- */
body,
a,
button,
input,
textarea {
    cursor: none !important;
    /* Ẩn con trỏ mặc định */
}

/* 1. Phi tiêu Shuriken */
#shuriken-cursor {
    position: fixed;
    top: 0;
    left: 0;
    width: 40px;
    height: 40px;
    z-index: 10000;
    pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath fill='%23e2e8f0' d='M256 0c-18.8 13.9-62.7 75.3-77.9 126.9L126.9 77.9C75.3 62.7 13.9 18.8 0 0c18.8 13.9 62.7 75.3 77.9 126.9L29 178.1C11.5 183.7 0 200.7 0 219.1v73.7c0 18.4 11.5 35.4 29 41l48.9 15.6C62.7 436.7 18.8 498.1 0 512c13.9-18.8 75.3-62.7 126.9-77.9l51.2 48.9c5.6 17.5 22.6 29 41 29h73.7c18.4 0 35.4-11.5 41-29l51.2-48.9C436.7 449.3 498.1 493.2 512 512c-18.8-13.9-62.7-75.3-77.9-126.9l48.9-51.2c17.5-5.6 29-22.6 29-41v-73.7c0-18.4-11.5-35.4-29-41l-48.9-15.6C449.3 75.3 493.2 13.9 512 0c-13.9 18.8-75.3 62.7-126.9 77.9L333.9 29C328.3 11.5 311.3 0 292.9 0h-73.7c-18.4 0-35.4 11.5-41 29l-48.9 51.2C130.7 77.9 256 0 256 0zm0 184a72 72 0 1 1 0 144 72 72 0 1 1 0-144z'/%3E%3Cdiv fill='%231e293b' cx='256' cy='256' r='30'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
    transform: translate(-50%, -50%);
    /* Animation quay mặc định */
    animation: spin 0.8s linear infinite;
    filter: drop-shadow(0 0 8px rgba(0, 0, 0, 0.5));
}

@keyframes spin {
    0% {
        transform: translate(-50%, -50%) rotate(0deg);
    }

    100% {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* 2. Hiệu ứng tàn ảnh (Afterimage / Wind Trail) */
.ninja-trail {
    position: fixed;
    width: 30px;
    height: 30px;
    pointer-events: none;
    z-index: 9999;
    border-radius: 50%;
    /* Màu xanh Chakra hoặc gió */
    background: radial-gradient(circle, rgba(147, 197, 253, 0.8) 0%, rgba(59, 130, 246, 0) 70%);
    transform: translate(-50%, -50%);
    animation: fadeOutTrail 0.5s ease-out forwards;
    mix-blend-mode: screen;
    /* Hiệu ứng ánh sáng chồng lớp */
}

/* 3. Tia lửa khi click (Spark) */
.click-spark {
    position: fixed;
    width: 4px;
    height: 20px;
    background: #fcd34d;
    pointer-events: none;
    z-index: 10001;
    border-radius: 2px;
}

@keyframes fadeOutTrail {
    0% {
        opacity: 0.6;
        transform: translate(-50%, -50%) scale(1);
    }

    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.2);
    }
}