@import url('https://fonts.googleapis.com/css2?family=Kanit&display=swap');

body {
    font-family: 'Kanit', sans-serif;
    margin: 0;
    padding-top: 80px;
    overflow-x: hidden;
}

.header {
    background-color: #aa1818;
    color: white;
    padding: 15px 0;
    position: fixed;
    top: 0;
    width: 100vw;
    left: 0;
    z-index: 1020;
}

/* ชื่อระบบตรงกลาง navbar */
.header-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #fff;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    letter-spacing: 0.5px;
    margin: 0;
    height: 2em;
    overflow: hidden;
    position: relative;
}

/* Animation สำหรับข้อความเลื่อน */
.sliding-text {
    display: block;
    animation: slideText 8s ease-in-out infinite;
}

@keyframes slideText {
    0%, 40% {
        transform: translateY(0);
    }
    45%, 95% {
        transform: translateY(-50%);
    }
    100% {
        transform: translateY(-100%);
    }
}

.sliding-text span {
    display: block;
    line-height: 2em;
}

.logo-img {
    width: 270px;
    height: auto;
    max-width: 100%;
}

.faculty-title {
    font-size: 1.2rem;
    font-weight: bold;
    line-height: 1.2;
}

.university-title {
    font-size: 0.9rem;
}

.profile-avatar {
    width: 45px;
    height: 45px;
    object-fit: cover;
    image-rendering: -webkit-optimize-contrast; /* ช่วยให้ภาพคมชัดขึ้น */
    image-rendering: crisp-edges;
}

.nav-link {
    color: white;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #e6af30;
}

.dropdown-toggle::after {
    vertical-align: middle;
}

.header .nav.d-inline-flex {
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 1rem;
}

/* เพิ่มใน CSS file หลัก - Hover สีเหลือง */

/* ให้ทุก nav-link มี hover effect เหมือนกัน */
.header .nav-link {
	color: #fff;
	text-decoration: none;
	padding: 0.5rem 1rem;
	border-radius: 5px;
	transition: all 0.3s ease;
	white-space: nowrap;
}

.header .nav-link:hover {
	color: #e6af30;
	text-decoration: none;
}

/* สำหรับ dropdown toggle */
.header .dropdown-toggle::after {
	margin-left: 0.5rem;
	vertical-align: middle;
}

/* Profile avatar - ใช้ขนาดเดิม 45x45px */
.profile-avatar {
	width: 45px;
	height: 45px;
	object-fit: cover;
	image-rendering: -webkit-optimize-contrast;
	image-rendering: crisp-edges;
}
/* Footer */
.footer {
    background-color: #aa1818;
    color: white;
    text-align: center;
    padding: 1rem 0;
    width: 100vw;
}

/* Responsive */
@media (max-width: 992px) {
    .header-title {
        font-size: 1.2rem;
    }
}

@media (max-width: 768px) {
    .faculty-title {
        font-size: 1rem;
    }
    .university-title {
        font-size: 0.8rem;
    }
    .nav-link {
        display: block;
        margin-bottom: 10px;
    }
    .dropdown-menu {
        width: 100%;
    }
    .header-title {
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    .header-title {
        font-size: 0.9rem;
    }
}