@import url('https://fonts.googleapis.com/css2?family=Archivo+Black&family=Outfit:wght@400;700;900&display=swap');

:root {
    --yellow: #FFD600;
    --purple: #C3B2FF;
    --orange: #FF9062;
    --black: #151515;
    --white: #FFFFFF;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    background: #000; /* Nền đen sâu để nổi bật màu sắc */
    font-family: 'Outfit', sans-serif;
    color: var(--white);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

/* Background chuyển động */
.blob-bg {
    position: fixed;
    width: 600px; height: 600px;
    background: radial-gradient(circle, #5014FF 0%, transparent 70%);
    filter: blur(100px);
    z-index: -1;
    animation: floating 10s infinite alternate;
}

@keyframes floating {
    0% { transform: translate(-20%, -20%); }
    100% { transform: translate(20%, 20%); }
}

.main-stage {
    width: 90%;
    max-width: 1000px;
    z-index: 1;
}

/* Header cực cá tính */
.top-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.logo {
    font-family: 'Archivo Black', sans-serif;
    font-size: 2.5rem;
    letter-spacing: -2px;
}
.logo span { color: var(--yellow); }

.notif-pill {
    background: var(--white);
    border: none;
    padding: 12px 24px;
    border-radius: 100px;
    font-weight: 900;
    text-transform: uppercase;
    font-size: 0.8rem;
    cursor: pointer;
    box-shadow: 4px 4px 0px var(--purple);
    transition: 0.2s;
}

.notif-pill:active { transform: translate(2px, 2px); box-shadow: 0px 0px 0px; }

/* Grid Layout kiểu mới */
.grid-layout {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 20px;
}

/* Khối Hero khổng lồ */
.card-hero {
    grid-column: span 1;
    background: var(--yellow);
    color: var(--black);
    padding: 3rem;
    border-radius: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-content h2 { font-size: 4rem; font-family: 'Archivo Black', sans-serif; line-height: 0.9; margin-bottom: 1rem; }
.status-dot { background: var(--black); color: white; padding: 5px 15px; border-radius: 50px; font-size: 0.8rem; font-weight: 700; }

.hero-img img { width: 220px; filter: drop-shadow(20px 20px 0px rgba(0,0,0,0.1)); }

/* Continue Learning */
.card-learning {
    background: var(--black);
    border: 4px solid var(--white);
    padding: 2rem;
    border-radius: 40px;
}

.course-row { display: flex; flex-direction: column; gap: 15px; margin-top: 1.5rem; }

.course-item {
    padding: 20px;
    border-radius: 25px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--black);
}

.course-item.purple { background: var(--purple); }
.course-item.orange { background: var(--orange); }

.emoji { font-size: 2rem; }
.btn-mini { background: var(--black); color: white; border: none; padding: 10px 20px; border-radius: 15px; font-weight: 700; cursor: pointer; }

/* Tasks kiểu Sticker */
.card-tasks {
    grid-column: span 2;
    background: #1a1a1a;
    padding: 2rem;
    border-radius: 40px;
    margin-top: 10px;
}

.task-stickers {
    display: flex;
    gap: 15px;
    list-style: none;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.sticker {
    padding: 15px 25px;
    border-radius: 15px;
    font-weight: 900;
    color: var(--black);
    transform: rotate(var(--r));
}

.s1 { --r: -2deg; background: #AFFFAF; }
.s2 { --r: 3deg; background: #FFFFAA; }
.s3 { --r: -1deg; background: #FFC0CB; }

.sticker:hover { transform: rotate(0deg) scale(1.1); transition: 0.3s; }